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Service Manual Model Xe-a21s

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September 2018
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SERVICE MANUAL CODE : 00ZXEA21SUSME LEAD-FREE SOLDER MODEL ELECTRONIC CASH REGISTER MODEL XE-A21S CONTENTS ■ LEAD-FREE SOLDER CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 CHAPTER 3. MASTER RESET AND PROGRAM RESET. . . . . . . . . 5 CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . 6 CHAPTER 5. TEST FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 CHAPTER 6. CIRCUIT DIAGRAM AND PWB LAYOUT . . . . . . . . . 15 Parts marked with "!" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set. SHARP CORPORATION This document has been published to be used for after sales service only. The contents are subject to change without notice. ■ LEAD-FREE SOLDER The PWB’s of this model employs lead-free solder. The “LF” marks indicated on the PWB’s and the Service Manual mean “Lead-Free” solder. The alphabet following the “LF” mark shows the kind of lead-free solder. Example: Lead-Free 5mm Solder composition code (Refer to the table at the right.) a Solder composition Solder composition code Sn-Ag-Cu a Sn-Ag-Bi Sn-Ag-Bi-Cu b Sn-Zn-Bi z Sn-In-Ag-Bi i Sn-Cu-Ni n Sn-Ag-Sb s Bi-Sn-Ag-P Bi-Sn-Ag p (1) NOTE FOR THE USE OF LEAD-FREE SOLDER THREAD When repairing a lead-free solder PWB, use lead-free solder thread. Never use conventional lead solder thread, which may cause a breakdown or an accident. Since the melting point of lead-free solder thread is about 40°C higher than that of conventional lead solder thread, the use of the exclusive-use soldering iron is recommendable. (2) NOTE FOR SOLDERING WORK Since the melting point of lead-free solder is about 220°C, which is about 40°C higher than that of conventional lead solder, and its soldering capacity is inferior to conventional one, it is apt to keep the soldering iron in contact with the PWB for longer time. This may cause land separation or may exceed the heat-resistive temperature of components. Use enough care to separate the soldering iron from the PWB when completion of soldering is confirmed. Since lead-free solder includes a greater quantity of tin, the iron tip may corrode easily. Turn ON/OFF the soldering iron power frequently. If different-kind solder remains on the soldering iron tip, it is melted together with lead-free solder. To avoid this, clean the soldering iron tip after completion of soldering work. If the soldering iron tip is discolored black during soldering work, clean and file the tip with steel wool or a fine filer. XE-A21S LEAD-FREE SOLDER CHAPTER 1. SPECIFICATIONS 1. APPEARANCE Front Front view view Accessories Rear Rear view view Customer Customer display display (Pop-up (Pop-up type) type) Operator Operator display display Printer Printer cover cover Receipt Receipt paper paper Keyboard Keyboard Power Power cord cord Mode Mode switch switch Drawer Drawer Drawer Drawer lock lock SD SD card card slot slot USB USB port port Printer Printer Manager key 2 Operator key 2 Drawer lock key 2 Drawer lock key Paper roll 1 Wide 58mm 80φ Take-up spool 1 USB cable (0GS5422580) *1 1 For connection between ECR and PC Customer support tool 1 disk CD-ROM Quick Start Guide 1 copy Instruction manual 1 copy 2 languages (English/Spanish) Specifications and appearance subject to change without notice for improvement. Take-up Take-up spool spool Paper Paper roll roll cradle cradle Print Print roller roller arm arm *1 Use only the USB cable (manufactured by SHARP) supplied with the XE-A21S for the connection with a PC. In case you need a new USB cable, order the USB cable manufactured by SHARP Co. Ltd. (Part code: 0GS5422580) for use with the XE-A21S. Paper Paper positioning positioning guides guides Print Print roller roller release release lever lever Inner Inner cover cover 3. KEYBOARD 2. RATING 1) KEYBOARD LAYOUT XE-A21S Type Normal keyboard Dimensions 13.8 (W) × 16.9 (D) × 11.1 (H) in. (350 (W) × 430 (D) × 281 (H) mm) Key position STD/MAX 53 Key pitch 19 (W) × 19 (H) mm Weight 17.6 Ib (8 kg) Key layout Fixed type Model Power source 120V AC ± 15%, 60 Hz 2) KEY LIST Power consumption Stand-by 7.7 W Working temperature 32 °F to 104 °F (0 °C to 40 °C) Electronics Display ■Keyboard layout Operating 28 W (max.) CONV RA %1 LSI (CPU) etc. Operator display RCPT /PO 7-segment display (10 positions) – Customer display 7-segment display (7 positions) VOID RFND Type One-station thermal printer ESC /HELP Printing speed Approx. 12 lines/second Printing capacity 24 digits each for receipt and journal paper Other functions Graphic logo printing function DC Printer BS Receipt (ON-OFF) function, compression printing function Cash drawer Width : 2.25 ± 0.02 in (57.5 ± 0.5 mm) Max. diam. : 3.15 in (80 mm) Quality : High quality (0.06 to 0.08 mm thickness) 4 slots for bill and 5 for coin denominations XE-A21S SHIFT SPACE 7 8 4 5 1 2 0 CL 9 6 3 00 PLU /SUB 4 DEPT # P U X 24 28 32 TAX1 SHIFT TAX2 SHIFT Q V Y B 8 C D E G 12 23 7 H 6 I 11 J 16 M 31 15 26 10 21 5 L 27 22 17 1 TAX AUTO K 20 18 2 CLK# F 19 3 DEPT SHIFT A N 14 25 9 O R 30 S 29 13 T CHK CH W Z MDSE SBTL #/TM SBTL CA/AT/NS Note: The small characters on the bottom or lower right in each key indicates functions or characters which can be used for character entries for text programming. Logo message function Paper roll %2 NUMBER • @/FOR SPECIFICATIONS –1– ■Key names KEY TOP VOID : Enters into the void mode. This mode allows correction after finalizing a transaction. DESCRIPTION 2 MGR : For manager’s entries. The manager can use this mode for an override entry. Paper feed key RA Received-on account key RCPT/PO Receipt print/Paid-out key VOID X1/Z1 : To take the X/Z report for various daily totals. X2/Z2 : To take the X/Z report for periodic (weekly or monthly) consolidation. Void key ESC/HELP Escape key/Help key CONV Conversion key %1, %2 Percent 1and 2 key RFND 5. DISPLAY Refund key - Discount key 1) OPERATOR DISPLAY @/FOR Multiplication key Display device : LED • Decimal point key Number of line : 1 line Clear key Number of positions: 10 positions Numeric Keys Color of display PLU/Sub-department key Character form Department code entry key Character size DEPT SHIFT Department shift key Layout: CLK# Clerk code entry key CL 0-9,00 PLU/SUB DEPT# Dept1-32 : 7 segment + DP : 14.2 (H) × 7.9 (W) mm 0.1.2.3.4.5.6.7.8.9 . Department keys TAX : Yellow Green Tax key Tax 1 SHIFT Tax 1 shift key Tax 2 SHIFT Tax 2 shift key 2) CUSTOMER DISPLAY Automatic sequence key Display device : LED CHK Check key Number of line : 1 line CH Charge key Number of positions: 7 positions Merchandise subtotal key Color of display Non-add code/Time display/Subtotal key Style : Pop up type Total/Amount tender/No Sale key Character form : 7 segment + Dp Character size : 14.2mm (H) × 7.9mm (W) AUTO MDSE SBTL #/TM/SBTL CA/AT/NS : Yellow Green Layout: 4. MODE SWITCH 3.4.5.6.7.8.9. 1) LAYOUT • Rotary type Customer display (Pop-up type) Operator display Manager key (MA) DEPT REPEAT MA MA OP PLU/SUB Clerk code REG OPX/Z OFF VOID MGR X1/Z1 Operator key (OP) RCPT OFF X2/Z2 OP PGM Amount: Appears in the far-right eight (max.) positions. When the amount is negative, the minus symbol “-” appears before the amount. The mode switch can be operated by inserting one of the two supplied mode keys - manager (MA) and operator (OP) keys. These keys can be inserted or removed only in the “REG” or “OFF” position. Number of repeats for repetitive registrations: The number of repeats is displayed, starting at “2” and incremental with each repeat. When you have registered ten times, the display will show “0.” (2 3 3 ..... 9 3 0 3 1 3 2 ... ) The mode switch has these settings: OFF Receipt function status: : This mode locks all register operations. (AC power turns off.) No change occurs to register data. The indicator “_” appears in the RCPT OFF position when the receipt function is in the OFF status. OP X/Z: To take individual clerk X or Z reports, and to take flash reports. It can be used to toggle receipt state “ON” and “OFF” by pressing he [RCPT/PO] key. REG DC SHIFT NUMBER Time : For entering sales. PGM : To program various items. XE-A21S SPECIFICATIONS –2– : Appears in the far-right six positions (hour-minute - “ ” or hour-minute - “ ”) in the OP X/Z, REG, or MGR mode. “ ” is displayed in the morning (AM), and “ ” in the afternoon (PM). In the REG or MGR mode, press the [#/TM/SBTL] key to display the time. ■Machine state symbols Decimal Point : Appears during programming. Display position : Appears when an error is detected. Decimal point : Appears when the subtotal is displayed or when the amount tendered is smaller than the sales amount. : Appears when the [CONV] key is pressed to calculate a subtotal in foreign currency. : Appears when a transaction is finalized by pressing the [CA/AT/ NS], [CHK] or [CH] key. Description 7-1 TAB 4-1 EJ near full 8, 9 (by PGM selection) 6. PRINTER : Appears when the change due amount is displayed. 1) Printer : May appear in the far-left three positions at the timing of key entry when the electronic journal (EJ) memory is full. (Depending on programming.) : Appears when the voltage of the installed batteries is under the required level. You must replace with new ones within two days. : Appears when the batteries are not installed, or the installed batteries are dead. You must replace with new ones immediately. : May appear right below the eighth and ninth places at the timing of finalization of a transaction when the electronic journal (EJ) memory is nearly full. Also appears right below the tenth place when power save mode is effective. : Appears when the print roller arm is not locked. • Part number : M-T53II • NO. of station : 1 (Receipt or journal) • Validation : No. • Printing system : Line thermal • No. of dot : 288 dots • Dot pitch : Horizontal Vertical • Font : 10 dots (W) × 24 dots (H) • Printing capacity : max. 24 characters • Character size : 1.67mm (W) × 4.17mm (H) at 10 × 24 dots • Print pitch : Column distance Row distance • Max. Print speed : Approximate 60mm/s (Approximate 12 l/s) : Appears when the paper is not set or has run out. Segment Description Amount 1-8 Minus sign 2-10 - Error 8-10 Exx : xx = error code PGM Mode 10 P CASH, CHECK, CHARGE 10 F SUB TOTAL/ short tender 10 o Change 10 C : Light up when a registration is fina lize d by dep re ssing [CASH], [CHECK], [CHARGE] key 9-10 No zero-suppressed PLU 7-10 No zero-suppressed DC • Cutter : No • Near end sensor : No Max. 80mm • Paper quality: 3) Logo stamp : Shift character entry status : Number character entry status Clerk No. 2, 3 -xx- : clerk number EJ FULL 8-10 E-E : Light up when EJ memory is FULL at the timing of key entry (by PGM selection). • No : : XE-A21S : 0.06 to 0.08mm Nihon seisi thermal paper : TF50KS-E : Double size character entry status _ L in diameter High-quality thermal paper paper thickness _ _ 10 : Set up Oji thermal paper NUMBER 10 • Paper end sensor : Light up whenever the foreign amount appears in the display. SHIFT No Battery : Mechanism LIFE 6 million lines used to high-quality thermal paper Endless count, starting from 2. _ Low Battery • Reliability 2) Paper : Light up whenever the change due amount appears in the display. Department 9 : Approximate 40mm/s (Approximate 12 l/s) • Paper roll dimension: 57.5 ± 0.5mm in width 10 8 c (Manual feed) : Floating Currency Conversion Receipt OFF 2.0mm 5.21mm • Max. Paper feed speed: Approximate 60mm/s (Approximate 12 l/s) Display position Repeat 0.167mm 0.174mm SPECIFICATIONS –3– : PD150R, PD160R 4) PRINTING AREA 3) Drawer Lock Key Number of thermal head heater elements 288 dots This key locks and unlocks the drawer. To lock it, turn 90 degrees counterclockwise. To unlock it, turn 90 degrees clockwise. (4.75) 48 (288 dots) (4.75) print area (max.24 characters) 0.167 8. USB PORT [DEVICE] 57.5±0.5 (Paper dimension) (units : mm) USB B Type [OUTLINE] 7. DRAWER This ECR has 1 port. This is used in order to connect with a personal computer. [OUTLINE] [SPECIDICATIONS] • Standard equipment 1) Transmission rate : Yes (1) USB 2.0 Full Speed Max. 12Mbps • Max. number of additional drawers: 1 • The drawer consists of 2) Connector : USB B Type 1) Drawer box (outer case) and drawer 3) Pin assign 2) Money case 1Pin 5V 3) Coin case 2Pin − D 4) Lock (attached to the drawer) 3Pin + D 4Pin GND [SPECIFICATION] 1) DRAWER BOX AND DRAWER Model name of the drawer box 9. BATTERY SJ415 Size 330(W) × 418(D) × 98(H) mm Material Plastic Bell 1) MEMORY BACK UP BATTERY For memory back up, the dry battery AA (3 pieces) are needed. — Release lever 1. Memory holding time: Standard equipment: situated at the bottom Drawer open sensor Approximate 1 year after New dry batteries are inserted. — 2. Battery exchange method: When the low battery symbol “L” lights up, batteries (3 pieces) exhange by the following method, with 2 days. 2) MONEY CASE Separation from the drawer Disallowed Separation of the bill compar tments from the coin compartments Bill separator 1) Power on the ECR. Allowed 2) Mode switch turn to “REG” mode. — Number of compartments 3) Release the OLD dry batteries (3 pieces). 4B/5C 4) Insert the NEW dry batteries (3 pieces). Layout: 5) Confirm the low battery symbol “L” lights off. 2) LOW BATTERY Low battery indication will appear on the left side of display when the battery voltage is low. CASE 1: When any numeric entry & any item entry is not done or just after finalization. 4B/5C The machine can indicate the low battery condition. (Always) XE-A21S SPECIFICATIONS –4– 10. SD MEMORY CARD CASE 2: When numeric entry or item entry is done. [Device] Battery condition will not appear. Exceptionally, when the power is restored after a power failure, the low battery condition will appear on the display only when the battery is low. And the indicator will disappear after any key entry. SD Card (Version. 1.01) [Outline] [Display sample] XE-A21S has a SD Memory Card slot. “ [Specidications] 0.00”: Battery is OK. “L 0.00”: Low battery (You have to change the batteries.) “ 1) Variable clock rate 0.00”: No battery (You have to change the batteries immediately.) : 0 - 25 MHZ 2) Other commands and memory access : 2.7 - 3.6V After finalization 3) Bus Protocol : SPI Bus “F 12.34”: Battery is OK. 4) Correspondence capacity : 32MB - 512MB “L 12.34”: Low battery. (“L” indicate instead of “F”.) 5) Recommended manufacturer : SanDisk “ 12.34”: No battery. (“L” indicate instead of “F”.) Note: “NO BATTERY”: When the “NO BATTERY” is display, the master reset is executed at the timing of “POWER ON” after the “POWER OFF”. CHAPTER 2. OPTIONS 1. OPTIONS (NO) 2. SERVICE OPTIONS (NO) 3. SUPPLIES No. 1 NAME Thermal roll paper PARTS CODE PRICERANK TPAPR6656RC05 BA DESCRIPTION 5 ROLLS/PACK (70 φ) 4. SPECIAL SERVICE TOOLS (NO) No. 1 NAME PARTS CODE PRICERANK DESCRIPTION USB Cable CHAPTER 3. MASTER RESET AND PROGRAM RESET 1. MASTER RESETTING 2. PROGRAM RESETTING (INITIALIZATION) Master resetting clears the entire memory and resumes initial values. Master resetting can be accomplished by using the following procedure: Procedure A: This resetting resumes the initial program without clearing memory. 1) Unplug the AC cord from the wall outlet or set the mode switch to OFF Position. This resetting can be operated at below sequence in PGM mode. 2) Let the ECR be without the memory back up battery. Procedure: 3) Wait over 1 muinite for discharging. 1) Unplug the AC cord from the wall outlet. 2) Wait over 1 muinite for discharging. 4) Set the mode switch to any position except OFF. 3) Set the mode switch to the PGM position. 5) Plugin the AC cord to the wall outlet or turn the mode switch from OFF Position to another position. 4) While holding down the FEED key, plugin the AC cord to the wall outlet. The master reset can also be accomplished in the following case. Note: In case power failure occurs when the machine has no battery attached to it, the master reset operation is automatically performed after the power has been restored. In case power failure occurs when the machine has no battery attached to it, the master reset operation is automatically performed after the power has been restored. (This is because if power failure occurs with no battery attached to the machine, all the memories are lost and the machine does not work properly after power recovery; this requires the master reset operation.) XE-A21S OPTIONS –5– CHAPTER 4. HARDWARE DESCRIPTION 1. HARDWARE BLOCK DIAGRAM 2. MEMORY MAP 1MByte mode/The CS area PM13 = 1 is selected. POWER DRY Battery 5.8V BUZZER 5.0V CPU internal RAM : 24KByte 00400h-063FFh External RAM : 128KByte 08000h-27000h (Area that can be used 124KByte) 3.3V 7.9V 23.8V 12MHz CPU 00000h RESET IC Renesus 32.768kHz DRAWER M30624MWPXXXFP LV125 HCT04 SD CARD ROM 320KByte RAM 24KByte 00400h CPU internal RAM 24KByte 00400h-063FFh Driver/Sensor S-RAM 063FFh 128KByte 06400h PRINTER MT53II USB Controller USB Type B M66291GP MOTOR 08000h External RAM /CS2 128KByte 74H374 SEG Driver Decoder 74HC138 × 2 4 to 16 LED Front 10 PopUp 7 DIG 27000h Driver KEY SCAN KEY RETURN KEY 28000h USB controller /CS1 30000h Segment Latch Address /CS0 SWITCH

CPU : M30624MWP-XXXFP (Renesus) ROM 320KByte (MASK) RAM 24KByte External RAM : 1Mbit (128K × 8) CYPRESS CY62128BLL-70SXI Printer : MT53II (EPSON) USB controller : M66291GP (Renesus) 80000h B0000h CPU internal MASK ROM 320KByte B0000h-FFFFFh FFFFFh XE-A21S HARDWARE DESCRIPTION –6– 3. CPU PORT Port Pin No. Pin name Signal name I/O Initial value Off mode P00 88 D0 D0 I/O H Out L DATE BUS D0 P01 87 D1 D1 I/O H Out L DATE BUS D1 P02 86 D2 D2 I/O H Out L DATE BUS D2 P03 85 D3 D3 I/O H Out L DATE BUS D3 P04 84 D4 D4 I/O H Out L DATE BUS D4 P05 83 D5 D5 I/O H Out L DATE BUS D5 P06 82 D6 D6 I/O H Out L DATE BUS D6 P07 81 D7 D7 I/O H Out L DATE BUS D7 P10 80 P10 KST0 O L In KEY DISPLAY (4 TO 16) P11 79 P11 KST1 O L In KEY DISPLAY (4 TO 16) P12 78 P12 KST2 O L In KEY DISPLAY (4 TO 16) P13 77 P13 KST3 O L In KEY DISPLAY (4 TO 16) P14 76 P14 IN2 O L Out L PAPER FEED MOTOR P15 75 P15 IN1 O L Out L PAPER FEED MOTOR P16 74 P16 ENA2 O L Out L PAPER FEED MOTOR P17 73 P17 ENA1 O L Out L PAPER FEED MOTOR P20 72 A0 A0 O H Out L ADDRESS BUS A0 P21 71 A1 A1 O H Out L ADDRESS BUS A1 P22 70 A2 A2 O H Out L ADDRESS BUS A2 P23 69 A3 A3 O H Out L ADDRESS BUS A3 P24 68 A4 A4 O H Out L ADDRESS BUS A4 P25 67 A5 A5 O H Out L ADDRESS BUS A5 P26 66 A6 A6 O H Out L ADDRESS BUS A6 P27 65 A7 A7 O H Out L ADDRESS BUS A7 P30 63 A8 A8 O H Out L ADDRESS BUS A8 P31 61 A9 A9 O H Out L ADDRESS BUS A9 P32 60 A10 A10 O H Out L ADDRESS BUS A10 P33 59 A11 A11 O H Out L ADDRESS BUS A11 P34 58 A12 A12 O H Out L ADDRESS BUS A12 P35 57 A13 A13 O H Out L ADDRESS BUS A13 P36 56 A14 A14 O H Out L ADDRESS BUS A14 P37 55 A15 A15 O H Out L ADDRESS BUS A15 P40 54 A16 A16 O H Out L ADDRESS BUS A16 P41 53 A17 A17 O H Out L ADDRESS BUS A17 P42 52 A18 A18 O H Out L ADDRESS BUS A18 P43 51 A19 A19 O H Out L ADDRESS BUS A19 P44 50 /CS0 /CS0 O H Out L SEGMENT LATCH P45 49 /CS1 /CS1 O H Out L USB CONTROLLER P46 48 /CS2 /CS2 O H Out H SRAM P47 47 /CS3 (NU) O L Out L UNUSED P50 46 /WR /WR O H Out L WRITE STROBE SIGNAL P51 45 /BHE (NU) O L Out L UNUSED P52 44 /RD /RD O H Out L READ STROBE SIGNAL P53 43 BCLK (NU) O L Out L UNUSED P54 42 /HLDA (NU) O L Out L UNUSED P55 41 /HOLD /EPM I - In P56 40 ALE (NU) O L Out L P57 39 /RDY /RDY I - In P60 38 P60 DR1 O L Out L P61 37 P61 SD_CLK O H Out L SD CLK P62 36 P62 SD_RXD I - In SD RXD P63 35 P63 SD_TXD O H Out L SD TXD XE-A21S HARDWARE DESCRIPTION –7– Function UNUSED VCC PULLUP DRAWER DRIVE SIGNAL Port Pin No. Pin name Signal name I/O Initial value Off mode P64 34 P64 SD_POWER# O H Out L SD POWER# Function P65 33 P65 SD_CS# O H Out L SD CS# SD CD# P66 32 P66 SD_CD# I - In P67 31 P67 SD_WP# I - In P70 30 TXD2 DAT O L Out L PRINTER DATA OUT P71 29 P71 (NU) O L Out L UNUSED P72 28 CLK2 CLK O L Out L PRINTER CLOCK P73 27 P73 (NU) O L Out L UNUSED P74 26 P74 P74 I - In MODEL JUDGMENT P75 25 P75 P75 I - In MODEL JUDGMENT P76 24 P76 /RES_USB O L Out L P77 23 P77 /EPM CTRL O H Out L /EPM CONTROL SIGNAL WHEN IPL P80 22 P80 BUZZER O L Out L BUZZER P81 21 P81 MOTOR O L Out L PAPER TAKE UP MOTOR P82 20 /INT0 POFF I - In POWER INTERRUPT P83 19 /INT1 /DREQUSB I - In USB DMA REQUEST P84 18 /INT2 /INTUSB I - In USB INTERRUPT P85 17 /NMI (NU) I - In UNUSED P86 11 XCOUT XCOUT I - In 32.768kHz P87 10 XCIN XCIN I - In 32.768kHz P90 7 P90 P90 I - In KEY IN P91 6 P91 P91 I - In KEY IN P92 5 P92 P92 I - In KEY IN P93 4 P93 P93 I - In KEY IN P94 3 P94 P94 I - In KEY IN P95 2 P95 P95 I - In KEY IN P96 1 P96 P96 I - In KEY IN P97 100 P97 P97 I - In KEY IN P100 97 AN0 P100 I - In HEAD TEMPERATURE MONITOR P101 95 AN1 P101 I - In HEAD VOLTAGE MONITOR P102 94 P102 /STB2 O H In PRINTER/STB2 P103 93 AN3 VBAT I - In BATTERY VOLTAGE P104 92 P104 (NU) O L Out L UNUSED P105 91 P105 VPON O L Out L PRINTER HEAD POWER SD WP# USB RESET P106 90 P106 /LAT O H Out L P107 89 P107 /STB1 O H In PRINTER/STB1 PRINTER DATA LATCH BYTE 8 BYTE I - In CONNECTED TO VDD CNVss 9 CNVss I - In NOMAL: L / BOOT: H /RESET 12 /RESET I - Xout 13 Xout O Vss 14 Vss power Xin 15 Xin I Vcc 16 Vcc power CONNECTED TO VDD Vcc 62 Vcc power CONNECTED TO VDD Vss 64 Vss power CONNECTED TO GND AVss 96 AVss power CONNECTED TO GND Vref 98 Vref ref CONNECTED TO VDD AVcc 99 AVcc power CONNECTED TO VDD XE-A21S In RESET Out CLOCK In CLOCK CONNECTED TO GND HARDWARE DESCRIPTION –8– 4. USB PORT Driver IC input (CPU output) One port for USB Port (Slave) is provided as a standard provision of XE-A21S. The Renesus-make USB general-use ASSP device M66291 is used. The M66291 is mapped to the /CS1 area 28000h-29FFFh. CPU M66291 A0 A1-A6 D15/AD0 AD1-AD6 D0-D7 D0-D7 VBuss TrON CS RD LWR /RESET /Dreq0 /INT0 HWR/BYTE STEP IN1 IN2 1 L L H H H H 2 H L H H L H H L 3 H H H H L L H H 4 L H H H H L L H L L 6-2. HEAD CONTROL 1.5k /CS1 /RD /WR /RESUSB /DREQUSB /INTUSB Motor drive signal A B /A /B ENA1 ENA2 (OUT1) (OUT3) (OUT2) (OUT4) D+ D− HEAD: All 288dot, Width 0.167mm/dot (6dot/mm) 1 Vbus 3 D+ 2 4 D− 27 27 GND 1.0µF USB CONNECTOR 24MHz Pin No. CPU port Use signal Function 89 P107 STRB1# Printer STB1# 94 P102 STRB2# Printer STB2# 30 P70 DAT 28 P72 PCLK 90 P106 LATCH# 91 P105 VPON Printer print data Printer forwarding clock Printer data latch Printer head motor power No. CPU port 19 P83 (INT1) 18 P84 (INT2) Use signal 6-3. PAPER TAKE UP MOTOR CONTROL Purpose /DREQUSB USB DMA channel 0 DMA request signal /INTUSB USB interruption 0 request signal Pin No. Port Use signal 21 P81 MOTOR Function Printer paper take up motor 24 P76 (TA3OUT) /RESUSB M66291 Reset control 6-4. OUT OF PAPER DETECTION 5. SD CARD I/F One port for SD card I/F is provided as a standard provision of XE-A21S. Communication with the SD card is made in the SPI mode. Port Strobe signal Function 6 P91 /S4 Printer out of paper detection (It reads according to the timing of /S4) 6-5. PLATEN OPEN (HEAD UP DETECTION) No. CPU port Use signal Purpose 31 P67 (TXD1) /SD_WP SD card write protect detection signal 32 P66 (RXD1) /SD_CD SD card insertion detection signal 33 P65 (CLK1) /SD_CS SD card chip select signal 34 Pin No. Pin No. Port Strobe signal Function 6 P91 /S3 Platen open detection (It reads according to the timing of /S3) P64 (CLKS1) /SD_POW SD card power on signal 35 P63 (TXD0) SD_TXD TxD signal 36 P62 (RXD0) SD_RXD RxD signal 37 P61 (CLK0) SD_CLK Serial CLK signal 7. A/D CONVERSION The following three signals are inputted to the A/D conversion port. 6. PRINTER CONTROL 6-1. STEPPING MOTOR CONTROL The two-phase bi-polar stepping motor is driven at a constant voltage. 1step: 0.087mm, 1dot: 2step PIN No. Port Use signal 97 AN0/P100 TM 95 AN1/P101 93 AN3/P103 Pin No. CPU port Use signal 76 P14 IN2 Paper feed motor (IN2) Function 75 P15 IN1 Paper feed motor (IN1) 74 P16 ENA2 Paper feed motor (ENA2) 73 P17 ENA1 Paper feed motor (ENA1) XE-A21S HARDWARE DESCRIPTION –9– Function Printer head temperature monitor VPTEST Printer head voltage monitor VBAT Battery voltage monitor 7-1. PRINTER HEAD TEMPERATURE MONITOR 8-3. CPU PORT AND REGISTER The voltage divided by the thermistor for detecting the printer head temperature and the resistor is inputted to the AN0 pin. Head temperature A/D conversion value (DEC) Less than −10°C 929~1023 Motor lock −10°C Less 869~928 Print in the conduction time at 0°C. 0°C Less than 70°C 232~868 Print in the conduction time specified on the MT-T53II specifications. 70°C or above 0~231 Operation Function Address R/W LED Segment Signal 30000h W than 0°C Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 30000h dp g f e d c b a Motor lock 7-2. PRINTER HEAD VOLTAGE MONITOR The voltage supplied by the printer head power and passed through the printer and divided by the resistor is inputted to the AN1 pin. The printable voltage range for the printer is 140~252 in A/D conversion value. 7-3. BATTERY VOLTAGE MONITOR Pin No. Port Use signal 80 P10 KST0 Key strobe signal 0 Function 79 P11 KST1 Key strobe signal 1 78 P12 KST2 Key strobe signal 2 77 P13 KST3 Key strobe signal 3 Strobe signals of /S0~/S9 are made by using SN74HC138 from KST0~KST3 signals. ST0 ST1 ST2 The voltage of VDD is inputted to AN3 pin. For an A/D value of 189 (3.69V) or less, it is judged as LOW BATTERY. For 174 (3.40V) or less, it is judged as NO BATTERY. MODE P90 SRV PGM P91 PF ST3 ST4 ST5 ST6 ST7 ST8 ST9 Time REG MGR X1/ X2/ Z1 Z2 HEAD Out of UP paper 8. KEY/DISPLAY The front display is of 10 digits of LED, and the POPUP display is of 7 digits of LED. 9. POWER After occurrence of POFF#, the power interruption must be made within 10ms. FRONT: VO 24V (DRAWER) PQ1CG203 TRANS. POP UP: VLED 5.7V VCC 5.0V PQ1CG203 BA033 /CS0 30000h D0~D7 HC374 POFF# detect point a~g, dp ST0#~ ST9# CPU KS0~ KS3 HC138 VDD 5.0V Front Display 10 segment Battery POPUP Display 㧣 segment LM2574 + Tr . ST0#~ ST9# P90~P97 Keyboard / MODE SW MATRIX ON/OFF Control (MODE SW) VP 8V PRINTER headMotor ON/OFF Control (MODE SWPOFF# VPON) 8-1. LED DIGIT SIGNAL The above /S0~/S9 are considered as LED DIGIT signals. S0#: First digit~S9#: 10th digit (For the POPUP side, ST0~ST6 are used.) 10. DRAWER The XE-A21S is provided with 1CH of a drawer port. 8-2. LED SEGMENT SIGNAL By writing the segment data to 30000h, the LED segment signal can be outputted. Pin No. Port Use signal 38 P60 DR1 50ms (min) D0~D6 3 a~g D7 Function Drawer drive signal (*) The drawer solenoid drive time is as follow: 55ms (max) Data~Segment correspondence 3 DP XE-A21S VCC 3.3V HARDWARE DESCRIPTION – 10 – CHAPTER 5. TEST FUNCTION 1. TEST ITEMS 2. DESCRIPTION OF EACH DIAGNOSTIC PROGRAM The test items are as follows. NO. JOB code 1) 100 DISPLAY BUZZER TEST Description 2) 101 KEY CODE DISPLAY 3) 102 PRINTER TEST 4) 104 KEYBOARD TEST 5) 105 MODE SWITCH TEST 6) 106 PRINTER SENSOR TEST 7) 107 CLOCK DISPLAY TEST 8) 110 DRAWER OPEN TEST 9) 120 EXTERNAL RAM TEST 10) 121 CPU INTERNAL RAM TEST 11) 140 CPU INTERNAL ROM TEST 12) 160 AD CONVERSION PORT TEST 13) 173 WINDING SPOOL CHECK TEST 14) 520 USB COMMUNICATION TEST 1 (ID/ADDRESS PRINT) 15) 521 USB COMMUNICATION TEST 2 (DATA TRANSFER) 16) 522 USB COMMUNICATION TEST 3 (PROCESS INSPECTION) 1) DISPLAY BUZZER TEST 1 Key operation RCPT/PO 1 0 0 2 Test procedure The decimal point will shift in steps of 1 digit from the lower digit to the upper (every 200m sec). After that, all segments turn on (about 1 sec). This mode is repeated. At the same time, the buzzer sounds continuously. 3 Display : OP display POPUP display : 1. 2. 3. 4. 5. 6. 7. 8. 9. 0. 4. 5. 6. 7. 8. 9. 0. Repeat OP display : POPUP display : 17) 550 SLEEP MODE TEST 18) 620 SD CARD TEST 1 (CARD DETECTION/READ REGISTER) 19) 621 SD CARD TEST 2 (DATA READ/DATA WRITE) 20) 622 SD CARD TEST 3 (PROCESS INSPECTION) 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 8. 4 Check that • The display of each position must be proper. • The brightness of each display LED must be even. • The buzzer sound must be normal. 5 End of testing 21) 161 CONTINUOUS DIAG FOR THE FTC 22) 162 CONTINUOUS DIAG FOR THE PROCESS 23) 163 DIAG FOR THE EMI/EMC EVALUATION 24) 164 DIAG FOR THE TEMPERATURE RISE TEST You can exit the test mode by pressing any key. The following is printed. End print: 100 1) STARTING DIAG Mode switch position : “SRV” mode Key operation : JOB code + “RCPT/PO” key 2) KEY CODE DISPLAY 1 Key operation 2) COMMON NOTES During execution of the diag, the winding motor is rotated regardless of the setting. (Operation in the journal mode) RCPT/PO 1 0 1 2 Test procedure Every time a key is pressed, the code of that key is displayed as a decimal number. 3 Display OP display : (*) * * * * ** 1 0 1 POPUP display : *** = Key code 4 Check that • Every time when each key is pressed, the hard code of the key is displayed in decimal number. • For double typing or invalid typing, “ − − − ” is displayed. XE-A21S TEST FUNCTION – 11 – 5 End of testing 5 End of testing You can exit the test mode by turning the mode switch to a position other than the SRV mode. The printer prints as follows. When the test ends normally 104 : End print: 101 When an error occurs: KEY SUM ERROR XXXX-YYYY 104 3) PRINTER TEST 1 Key operation (*) The sum check code of the model is printed in “XXXX” section of the error print, and the added sum check data are printed in “YYYY” section. (*) KEY sum check data calculation method: Add the hard code (hexadecimal) of the input data contact position (excluding FEED key). However, the end key (CA/AT) is not added. The added data are converted into a decimal number, which is the sum check data to be inputted when starting the diag. RCPT/PO 1 0 2 2 Test procedure 3 lines of 24 Z's are printed. 3 Display : OP display 1 0 2 POPUP display : 5) MODE SWITCH TEST 4 Check that Print must be free from dirt, thin spots, or uneven density. 1 Key operation RCPT/PO 1 0 5 Print: ZZZZZZZZZZZZZZZZZZZZZZZZ ZZZZZZZZZZZZZZZZZZZZZZZZ ZZZZZZZZZZZZZZZZZZZZZZZZ 2 Test procedure Turn the mode SW from “PGM” position to “X2/Z2” one by one sequentially and return to “PGM” position again. Check that the positions are changed in the proper sequence. If the test is completed normally, the end print is made. If not, an error print is made. 5 End of testing The test will automatically be terminated after the printer prints. 3 Display OP display 4) KEYBOARD TEST 1 Key operation MODE * * * * 1 0 4 : * 1 0 5 * POPUP display: * RCPT/PO (*) **** = Sum check code on each model (omissible) PGM VOID OFF OP X/Z REG MGR X1/Z1 X2/Z2 1 2 nondisplay*1 3 4 5 6 (*) * = Mode SW position code (*1) LED not displayed due to OFF 2 Test procedure The keyboard is checked with the sum check data of the key code except for the paper feed key. The sum check data of each model is inputted to the upper 4 digits of the diag code, and the data is compared with the key data accumulated until the final key is pressed. When the data are in accord with each other, the end print is made. If not, an error print is made. 4 Check that • Check that the position codes are read in the proper sequence. (“9” is displayed when the contact is open.) • Check the display during the test and the content of the end print. 5 End of testing When the test ends normally (*) The final key : “CA/AT” Key (*) XE-A21S sum check code: 3417 105 : 3 Display OP display 7 : 1 0 4 POPUP display: When an error occurs: MODE KEY ERROR 105 4 Check that • Check to confirm that there is no problem in key stroke and response. • Check the contents of the end print. XE-A21S TEST FUNCTION – 12 – 6) PRINTER SENSOR TEST 8) DRAWER OPEN TEST 1 Key operation 1 Key operation 2 Test procedure 2 Test procedure Drawer open. Check the status of paper end sensor and head up sensor. 3 Display 3 Display OP display RCPT/PO 1 1 0 RCPT/PO 1 0 6 : OP display X -Y 1 0 6 X -Y POPUP display: (*) X = Paper end sensar 1: Paper present 1: Head down (*) Y = Head up sensor : 1 1 0 POPUP display: 0: Out of paper 0: Head up 4 Check that The drawer opens normally. 4 Check that 5 End of testing Check that the status is changed properly. The test will automatically be terminated and the printer prints as follows. 5 End of testing You can exit the test mode by pressing any key and the printer prints the following. End print: 110 106 9) EXTERNAL RAM TEST 1 Key operation 7) CLOCK DISPLAY TEST RCPT/PO 1 2 0 1 Key operation 2 Test procedure RCPT/PO 1 0 7 The standard 128 Kbyte RAM is checked. The contents of the memory are lost after this test. RAM (08000H ~ 27FFFH area) is tested in the following procedure. 2 Test procedure The clock is displayed. a) Data in the test area is stored. 3 Display b) Write “00H” h h - mm POPUP display: h - mm s s (*) hh = hour mm = min ss = sec OP display : s s c) Read and compare “00H” and then write “55H” d) Read and compare “55H” and then write “AAH” e) Read and compare “AAH” f ) Restore stored data. 4 Check that If an error occurs in each step, the error print is made. When no error occurs, the following addresses are sequentially checked. • Check “-” blinks at an interval of 500ms. • Check the clock counts up normally. 10000H, 10001H, 10002H, 10004H, 10008H 10010H, 10020H, 10040H, 10080H, 10100H, 10200H, 10400H, 10800H, 11000H, 12000H, 14000H, 18000H, 20000H 5 End of testing When any key is pressed, the date and time are printed and the test mode will terminated. End print: yymmdd-hhmmss 107 3 Display OP display : 1 2 0 POPUP display: (*) yy = year hh = hour mm = month mm = min dd = day 4 Check that Check the end print. ss = sec XE-A21S TEST FUNCTION – 13 – 5 End of testing 5 End of testing. The test will automatically be terminated and the printer prints as follows. When the test ends normally The test will automatically be terminated and the printer prints as follows. When the test ends normally 120 : : 121 When an error occurs: When an error occurs: RAM ERROR X *****h 121 RAM ERROR X *****h 120 (*) x = 1: Data error (*) x = 1: Data error x = 2: Address error x = 2: Address error (*) When an error occurs, the printer outputs the error message and then the address where the error has occurred in the area “*****”. (*) When an error occurs, the printer outputs the error message and then the address where the error has occurred in the area “*****”. 10) CPU INTERNAL RAM TEST 11) CPU INTERNAL ROM TEST 1 Key operation 1 Key operation RCPT/PO 1 2 1 RCPT/PO 1 4 0 2 Test procedure 2 Test procedure The test program checks internal RAM (20Kbyte) of the CPU. The contents of the memory are lost after this test. RAM (00400H - 053FFH area) is tested in the following procedure. The test program checks that the checksum of the CPU internal flash ROM (C0000H - FFFFFH) is correct. The lower two digits of the checksum should be 10H. a) Data in the test area is stored. 3 Display b) Write “00H” c) Read and compare “00H” and then write “55H” OP display d) Read and compare “55H” and then read “AAH” POPUP display: e) Read and compare “AAH” : 1 4 0 f ) Stored data is restored. 4 Check that Check the end print. g) If an error occurs in each step, the error print is made. When no error occurs, the following addresses are sequentially checked. 5 End of testing The test will automatically be terminated and the printer prints as follows. 01000H, 01001H, 01002H, 01004H, 01008H 01010H, 01020H, 01040H, 01080H, 01100H, 01200H, 01400H, 01800H, 02000H, 04000H When the test ends normally 140 : ROM ******** ******** 3 Display OP display : 1 2 1 When an error occurs: RAM ERROR X *****h 140 POPUP display: 4 Check that Check the end print. ROM XE-A21S TEST FUNCTION – 14 – ******** ******** 3 Display 12) AD CONVERSION PORT TEST 1 Key operation OP display 2 Test procedure 4 Check that Check the end print. The AD value of each AD conversion port is sequentially displayed for every 1 sec. 5 End of the test The test will automatically be terminated and the printer prints as follows. 3 Display OP display : 1 6 0 5 2 0 POPUP display: RCPT/PO 1 6 0 : X **** POPUP display: print: (*) X = 1: Head temperature X = 2: Head voltage X = 3: Battery voltage (*) * * * * 520 = A /D value USB Rev. Ver. VENDOR ID PRODUCT ID DEVICE ADDRESS 4 Check that XXX XXX XXX XXX Check that the AD value is within the reference range. 5 End of testing When any key is pressed, the test is terminated and the AD value at the terminating point is printed. 15) USB COMMUNICATION TEST 2 (DATA TRANSFER) 1 Key operation End print: 160 HEAD TEMP HEAD VOLTAGE BATTERY VOLTAGE RCPT/PO 5 2 1 *** *** *** 2 Test procedure The communication test between the USB and the PC is performed in the following procedures. The communication program is required on the PC side, too. 13) WINDING SPOOL CHECK TEST a) Execute data transfer by the USB test program of the PC to check to confirm that data transfer can be performed. 1 Key operation b) Execute the USB communication test 2 diag of the ECR. RCPT/PO 1 7 3 c) Start the USB communication test program on the PC side, and select the continuous transfer test. 2 Test procedure The winding spool motor is rotated for 2 sec. d) Specify the folder which includes communication data (logo data) in the test program, and execute data transfer. 3 Display OP display : 1 7 3 e) The program on the PC side sends communication data in the specified folder to the ECR. The ECR receives the communication data and saves them in the SRAM once. . POPUP display: f ) The ECR resend the received data to the PC side. 4 Check that g) The program on the PC side verifies the data from the ECR and displays a message if there is any discrepancy. (The communication is continued.) The motor of the winding spool is rotated. 5 End of testing h) Procedures of d) ~ f) are repeated. The test will automatically be terminated and the printer prints as follows. (*) If there are two or more kinds of logo data in the specified folder on the PC side, send data are changed in the sequence of the file names. When the last file is processed, the process returns to the first file. End print: 173 Error print list Error print 14) USB COMMUNICATION TEST 1 (ID/ADDRESS PRINT) 5 2 0 Host not detected USB DATA VERIFY ERROR Data verify error USB TIMEOUT Timeout error 3 Display 1 Key operation OP display RCPT/PO : 5 2 1 POPUP display: 2 Test procedure The USB revision, the vendor ID, the product ID, and the device address assigned by the host are printed. XE-A21S 4 Check that Check the end print. TEST FUNCTION – 15 – Error content USB NO CONNECT 5 End of the test When any key is pressed, the end print is made to terminate the diag. When any error occurs, the error print is made to terminate the diag. Print 5 End of the test When any key is pressed, the end print is made to terminate the diag. When any error occurs, the error print is made to terminate the diag. Print : : 522 XXX XXX XXX 521 USB Rev. Ver. VENDOR ID PRODUCT ID Error print: Error print: USB NO CONNECT USB NO CONNECT 522 521 17) SLEEP MODE TEST 16) USB COMMUNICATION TEST 3 (PROCESS INSPECTION) 1 Key operation RCPT/PO 5 5 0 1 Key operation RCPT/PO 5 2 2 2 Test procedure a) The USB data send is performed in the production process in the following procedures. The communication program is required on the PC side, too. 2 Test procedure Check to confirm that the machine has entered the sleep mode (display OFF, Dp ON), and wait for a change in status (key input, change in RS port). 3 Display b) The USB communication test 3 diag of the ECR is performed. OP display c) Start the USB communication test on the PC side, and select the process test. d) Specify the folder which includes the communication data (logo data) in the test program, and execute data send. e) The program on the PC side sends the communication data in the specified folder to the ECR. The ECR receives the communication data and saves them in the SRAM. f ) The ECR resends the received data to the PC side. . : POPUP display: 4 Check that • The display must be turned off. (Except for Dp) • When a key is pressed, the machine must be reset from the sleep state. 5 End of the test The test will automatically be terminated and the printer prints as follows. g) The program on the PC side verifies the data from the ECR, and sends the verification result (error) to the ECR. End print: 550 h) The ECR prints the error received from the PC side. If the host is not connected or if the communication cannot be made, an error print is made. i ) If the verified result sent from the PC side is correct, the USB revision, the vendor ID, and the product ID are printed. (*) The test is not terminated by pressing any key during the test. If data are not sent from the PC in 10 sec after starting the diag on the ECR side, the timeout error is printed and the diag is terminated. 18) SD CARD TEST 1 (SD CARD INFORMATION) 1 Key operation RCPT/PO 6 2 0 Error print list Error print 2 Test procedure The SD card is detected and the write protect status is displayed. After completion of the test, the SD card register value is printed. Error content USB NO CONNECT Host not detected USB DATA VERIFY ERROR Data verify error USB TIMEOUT Timeout error Error print list Error print 3 Display OP display : 5 2 2 SD CARD NO DETECT SD Card not detected SD READ ERROR SD read error POPUP display: 4 Check that Check the end print. XE-A21S TEST FUNCTION – 16 – Error content 5 End of the test When any key is pressed, the end print is made and the diag is terminated. 3 Display OP display : X-Y 6 2 0 X-Y POPUP display: (*) X = SD card detection 1 SD card YES Print : 621 2 : SD card NO (*) Y = Write Protect detection 1 Write Protect state 2 : Write Protect NO 4 Check that Check to confirm that the card is properly detected and the write protect is properly detected. Error print: ******* 621 5 End of the test When any key is pressed, the SD card register is read and the end print is made. Print : 620 XXXXXXXXXXXXXXXX-XXXXXXXXXXXXXXXXh CSD XXXXXXXXXXXXXXXX-XXXXXXXXXXXXXXXXh OCR 12345678h CID (*) ****** = Error print (Refer to the error print.) 20) SD CARD TEST 3 (PROCESS INSPECTION) 1 Key operation 2 Test procedure The SD card detection, the write protect status display, and the read/ write test are performed. Error print: ****** 620 a) The SD card detection and the write protect detection are displayed. b) When any key is pressed, the tests of c), d), and e) are performed. In the case of “Not detected” or “Write protect”, an error print is made and the test is terminated. (*) ****** = Error print (Refer to the error print.) c) Create a file named “SD_TEST.SDA” in the SD card and write the logo data in the RAM of the main unit to the SD card. If there is a file of the same file name at that time, the file is overwritten. 19) SD CARD TEST 2 (DATA READ/DATA WRITE) 1 Key operation d) After completion of writing, data are read from the SD card. RCPT/PO 6 2 1 e) The read data and the logo data in the RAM are verified. If there is any discrepancy, the error print is made and the test is automatically terminated. 2 Test procedure a) Perform the SD card read/write test in the following procedures. (*) The register ID of the SD card is not printed. b) Create a file named “SD_TEST.SDA” in the SD card and write the logo data in the RAM of the main unit to the SD card. If there is a file of the same file name at that time, the file is overwritten. Error print list Error print c) After completion of writing, data are read from the SD card. SD NO CONNECT d) The read data and the logo data in the RAM are verified. If there is any discrepancy, the error print is made and the test is automatically terminated. e) The procedures of a) ~ c) are repeated. Error print list Error print Error content SD NO CONNECT SD Card not detected SD WRITE PROTECT SD Card write protect SD READ ERROR SD read error SD WRITE ERROR SD write error SD DATA VERIFY ERROR Data verify error : Error content SD Card not detected SD WRITE PROTECT SD Card write protect SD READ ERROR SD read error SD WRITE ERROR SD write error SD DATA VERIFY ERROR Data verify error 3 Display OP display 3 Display OP display RCPT/PO 6 2 2 : X-Y 6 2 2 POPUP display: X-Y (*) X = SD card detection 1 SD card YES 2 : SD card NO (*) Y = WP detection 1 Write Protect state 2 : Write Protect NO 4 Check that 6 2 1 • Check to confirm that the card is properly detected and the write protect is properly detected. POPUP display: 4 Check that • Check that there is no error. Check that there is no error. XE-A21S TEST FUNCTION – 17 – 5 End of the test When any key is pressed under the clock display state, the test is completed and the end print is made. 5 End of the test The test will automatically be terminated and the printer prints as follows. Print : When the test ends normally 622 161 : When an error occurs: Error print: ***** ******* 161 622 (*) ****** = Error print (Refer to the error print.) An error print is made after completion of each item. Same as the error print of each diag. 21) CONTINUOUS DIAG FOR THE FTC (*) Winding is performed regardless of ON/OFF of the winding motor. 22) CONTINUOUS DIAG FOR THE PROCESS 1 Key operation (*) Winding is made regardless of the setting. 1 6 1 RCPT/PO 1 Key operation * * * * 1 6 2 2 Test procedure This is the diag for inspection (FTC) of the main PWB unit. The following individual diag is performed continuously. (Even though an error occurs, the diag is continued.) Description RCPT/PO (*) **** = Sum check code on each model (omissible) No. Code Operation 1 100 D I S P L AY BUZZER TEST It proceed to the next item after any key is pressed. 2 102 PRINTER TEST It proceed to the next item by the automatic operation after it ends. 3 106 PRINTER SENSOR TEST It proceed to the next item after any key is pressed. 4 110 DRAWER OPEN TEST 5 120 6 2 Test procedure This is the inspection diag in the assembly process. The following individual diag is performed continuously. (Even though an error occurs, the diag is continued.) (*) Voltage conditions of dry cells: 1.2V or more (for each cell) for 150Ω load. No. Code 1 100 D I S P L AY BUZZER TEST It proceed to the next item after any key is pressed. It proceed to the next item by the automatic operation after it ends. 2 102 PRINTER TEST It proceed to the next item by the automatic operation after it ends. EXTERNAL RAM TEST It proceed to the next item by the automatic operation after it ends. 3 106 PRINTER SENSOR TEST It proceed to the next item after any key is pressed. 121 INTERNAL RAM TEST It proceed to the next item by the automatic operation after it ends. 4 104 KEYBOARD TEST It proceed to the next item by the automatic operation after it ends. 7 140 INTERNAL ROM TEST It proceed to the next item by the automatic operation after it ends. 5 105 MODE SWITCH TEST It proceed to the next item by the automatic operation after it ends. 8 173 WINDING MOTOR TEST It proceed to the next item by the automatic operation after it ends. 6 110 DRAWER OPEN TEST It proceed to the next item by the automatic operation after it ends. 9 107 CLOCK DISPLAY TEST When any key is pressed, the diag is terminated. 7 120 EXTERNAL RAM TEST It proceed to the next item by the automatic operation after it ends. 8 121 INTERNAL RAM TEST It proceed to the next item by the automatic operation after it ends. 9 140 INTERNAL ROM TEST It proceed to the next item by the automatic operation after it ends. 10 550 SLEEP MODE TEST It proceed to the next item after any key is pressed. 11 160 AD CONVERSION PORT TEST It proceed to the next item after any key is pressed. 12 173 WINDING MOTOR TEST It proceed to the next item by the automatic operation after it ends. 13 107 CLOCK DISPLAY TEST When any key is pressed, the diag is terminated. 3 Display The display must be the same as that of the individual diag display. 4 Check that • Check that the buzzer sound, the key input, and the display are free from abnormality. • Check that there is no error after completion of all the diag tests. XE-A21S TEST FUNCTION – 18 – Description Operation 3 Display 3 SD CARD TEST (SD CARD TEST 2 JOB621) The display must be the same as that of the individual diag display. 4 Check that (*) Though an 2. After completion of writing, the data error occurs, written into the SD card are read. the test is con3. The logo data and the read data are tinued. verified. In case of an error, the error print is made and the test is continued. (Write, read and verify are performed only once, and the process goes to 4). • Check that the buzzer sound, the key input, and the display are free from abnormality. • Check that there is no error after completion of all the diag tests. 5 End of the test When any key is pressed under the clock display state, the test is completed and the end print is made. 4 When the test ends normally COUNT UP The number of repeat of the display is counted up. 162 : 1. The logo data in the machine is written into the SD card. The data in the SD card is overwritten. 3 Display OP display : POPUP display: When an error occurs: ****** ****** (*) ****** = The number of repeat of the diag is displayed. ***** 162 4 End of the test When any key is pressed, the test is terminated. An error print is made after completion of each item. Same as the error print of each diag. 24) DIAG FOR THE TEMPERATURE RISE TEST (*) Winding is made regardless of the setting. 1 Key operation 23) DIAG FOR THE EMI/EMC EVALUATION * 1 6 4 (*) Winding is made regardless of the setting. 1 Key operation * 1 6 3 2 Test procedure This diag is used for the temperature rise test. NO SALE is repeated. RCPT/PO (*) * = Operation interval (min) including the diag execution time. When it is omitted, the diag is continuously performed. 2 Test procedure This is the diag for the EMI/EMC evaluation. The following procedure is repeated. When an error occurs, the number of errors is saved in the memory, and it is printed when the diag is completed. No. Description 1 NO SALE PRINT 2 USB COMMUNICATION TEST (USB COMMUNICATION TEST 3 JOB522) RCPT/PO (*) * = Operation interval (min) including the diag execution time. When it is omitted, the diag is continuously performed. 3 Display OP display : POPUP display: ****** ****** (*) ****** = The number of repeat of the diag is displayed. 4 End of the test When any key is pressed, the test is terminated. Operation 1. The logo data are received from the PC. For the software on the PC side, use the same tool as that of the XEA203U. 3.KEY CODE TABLE XE-A21S 2. The received logo data are sent to (*) However, the the PC. USB revision, the vendor ID, 3. The program on the PC side verifies and the prodthe data returned from the ECR. uct ID are not 4. In case of an error, the error print is printed. made and the test is continued. (*) Though an 5. Though a communication error or error occurs, the data verify error occurs or when the test is conthe ECR cannot be recognized, the tinued. PC and the ECR perform retry operation to reset the operation. After completion of communication on the PC side, the number of retry operations is displayed. XE-A21S 2 002 PF 018 034 050 066 082 098 114 131 147 001 003 019 035 051 067 083 099 115 129 145 000 016 017 033 049 065 081 097 096 128 144 004 020 036 032 048 064 080 084 100 132 148 005 021 053 052 068 069 085 101 149 Sum check code: 3417 TEST FUNCTION – 19 – A B C D7 D6 D5 D4 D3 D2 D1 D0 RP1 10K 8 2 2 4 X1 CST12.0MTW 2 C2 1 3 0 0 C14 C25 R63 3.3K 100pF R57 820 3.3K VDD 5 4 3 2 1 1000pF C13 100K R53 10K 7 1 2 3 4 FS781 XIN XOUT S1 LF IC5 VDD S0 FSOUT VSS 2200pF C15 4 5 2 2 2 2 2 2 2 8 7 6 5 RP2 10K 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 IC2 10K R28 BD5228/ S80928 rohm SII NC CD R27 33 33 33 33 33 33 33 33 VDD VDD Reset IC IC4 1 OUT 2 VDD 3 VSS CN3 TEST PIN R56 CNVss RXDPRG TXDPRG VCC C10 4.7UF/50V P97 P100 + P101 R41 R43 R44 R45 R46 R47 R48 R49 10K R38 2 VCC 2 2 330pF VCC VBAT /STB2 10K R37 VCC 10K 100pF*4(C10-C13) 10K C4 10K R4 R26 C3 10K R3 VCC R25 /STB1 /LAT VPON 1 2 3 BD5228 5 /RESET 3 2 3 /SD_CD R64 /SD_WP R65 2 C1 10K 10K 9 8 7 6 5 4 3 2 1 not install 2 2 2 2 2 2 2 2 A7 A6 A5 A4 A3 A2 A1 A0 ENA1 ENA2 IN1 IN2 KST3 KST2 KST1 KST0 R2 R1 ■ MAIN PWB CPU CIRCUIT 1 D 6 5 P96 P95 P94 P93 P92 P91 P90 CNVss D7 D6 D5 D4 D3 D2 D1 D0 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AVSS AN0 VREF AVCC SIN4 VCC RP3 10K R5 10K M30624MWP-362FP 33 R66 0.1uF C22 R60 47K 6 VCC 10uF/10V,OS C26 91pF 2 C21 27pF X2 32.768KHz 1 0 Not Install C23 + 18pF C20 330 R62 R61 CSTLF12M X3 /DREQUSB /INTUSB 5 R70 MOTOR /POFF 1K 0 R19 10K VCC R18 10K /RESUSB R58 CS0 CS1 CS2 CS3 WR BHE RD CBCLK HLDA HOLD ALE CLKOUT RTS0 CLK0 RXD0 TXD0 CLKS1 CLK1 RXD1 TXD1 R24 10K VCC 2 R51 47K VCC3 VCC D1 1SS133 R15 10K VCC 10K R16 TP1 R22 10K A8 A9 A10 A11 A12 A13 A14 A15 A16 1000pF 5 4 IC18B 4 10K R39 /RD /WR C16 B REV 10uF/50V,AL CN1 52806-2610 4 B + VCC REVISION RECORD 10K XE-A203U/A 20W ONLY R52 10K XE-A21S ONLY R50 VCC 2 4 4 4 4 4 4 4 3 A[0..16] D[0..7] 3 1 19 2 3 4 5 6 7 8 9 1 13 2 3 4 5 6 7 8 9 /WR 10 /RD 11 A0 A1 A2 A3 A4 A5 A6 /RD D0 D1 D2 D3 D4 D5 D6 D7 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 D0 D1 D2 D3 D4 D5 D6 D7 OE1 OE2 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 IC7 DIR G A0 A1 A2 A3 A4 A5 A6 A7 3 NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS IC3 C7 VCC A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 I/O7 I/O6 I/O5 I/O4 I/O3 + VCC 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VDD VCC:20pin GND:10pin 2 5 6 9 12 15 16 19 10uF/50V Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 VDD 74HC374 OC CLK D0 D1 D2 D3 D4 D5 D6 D7 IC1 2 D7 D6 D5 D4 D3 A10 A13 A8 A9 A11 A15 C5 0.1uF 74ABT827 23 22 21 20 19 18 17 16 15 14 2006,09,25 2 BA0 BA1 BA2 BA3 BA4 BA5 BA6 /CS1B /WR_B /RD_B BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 74ALS645 DATE Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 B0 B1 B2 B3 B4 B5 B6 B7 18 17 16 15 14 13 12 11 BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 0.1uF VCC C19 BD[0..7] VCC LP621024DM-70MM/ CY62128BLL-70SXC SOIC 1 11 3 4 7 8 13 14 17 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 C6 0.1uF IC6 ADDED IC18 ,ADDED MODEL XE-A21S 0.1uF C17 VDD 2 CLK DR1 SD_CLK SD_RXD SD_TXD /SD_POW /SD_CS /SD_CD /SD_WP SN74HC32 2 PIEZO BZ IC18A /WR 2 DAT Not Install D[0..7] A[0..16] /CS0 1 + BZ1 /CS1 /CS2 10K R40 XE-A203U/A 21S ONLY R40 R42 XE-A20W ONLY 10K R42 VCC 33pF /CS0 11 8 6 SD_CLK SD_RXD SD_TXD /SD_POWER /SD_CS /SD_CD /SD_WP C8 C11 R17 10k 33pF R21 10K VCC SN74HC32 13 12 IC18D SN74HC32 10 9 SN74HC32 IC18C 1 2 3 D0 4 D1 5 C24 D2 6 D3 7 D4 8 0.1uF D5 9 D6 10 D7 11 A0 12 A1 13 A2 14 A3 15 A4 16 R20 A5 17 A6 18 10K /CS1 19 /WR 20 /RD 21 /DREQUSB 22 /INTUSB 23 /RESUSB_B 24 25 C27 26 VCC 3 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 R23 10K VCC CHAPTER 6. CIRCUIT DIAGRAM AND PWB LAYOUT 7 3 14 7 14 7 14 7 14 7 8 1 2 1 2 9 8 7 6 5 4 3 2 1 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 D8 D9 D10 D11 D12 D13 D14 D15 A0 A1 A2 A3 A4 A5 A6 A7 VSS A8 VCC A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 SOUT4 CLK4 TB4IN TB3IN SOUT3 SIN3 CLK3 BYTE CNVSS XCIN XCOUT RESET XOUT VSS XIN VCC NMI INT2 INT1 INT0 TA4IN/U TA4OUT/U TB3IN TBEOUT TA2INW TA2OUTW TA1IN/V TA1OUT/V TB5IN TB5OUT 1 2 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 2 2 1 – 20 – 1 CIRCUIT DIAGRAM AND PWB LAYOUT 2 XE-A21S VDD VCC R13 CN2 1.0-11-26P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2 /WR /RD 1/4 1 NOT INSTALL /CS2 33pF NOT INSTALL C12 10K Not Install 33pF C18 10K 2 2 2 2 2 2 2 33pF NOT INSTALL C9 a b c d e f g dp VCC R14 R12 10K a b c d e f g dp 1 A B C D A B C 1 1 1 /S3 P91 P91 /S4 D2 D3 1SS133 D VCC 1 Q2 1 S 10KF R74 8 G2 R72 10KF /S3 /S4 /S5 /S6 /S0 /S1 /S2 /S7 /S8 /RESET P90 P91 P92 P93 P94 P95 P96 P97 /S9 /VON a b c d e f g dp 2 C29 1 1 1 1 1 1 1 1 /S3 /S4 /S5 /S6 /S0 /S1 /S2 /S7 /S8 /RESET P90 P91 P92 P93 P94 P95 P96 P97 /S9 /VON a b c d e f g dp HUPS 1 1 1 1 1 1 1 1 1 7 3 1 TH 1 1 1 1 C37 0.1uF PE VLED C33 0.1uF 0.1uF KRC111S Q3 2SK2731 KEY CN 1.25-2-34P 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN6 2 P91 1SS133 2 P101 VP CN10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 R11 10K VCC C30 330pF R73 30KF PRINTER CN 1.0-11-26P /S7 KST0 KST1 KST2 KST3 VCC 6 2K R80 + C38 47uF 50V VP P100 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 IC10 VCC 16 15 14 13 12 11 10 9 R81 C40 0.1uF 4.7K R10 10K VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6 74HC138 A B C G2A G2B G1 Y7 GND 16 15 14 13 12 11 10 9 R75 5.1KF R71 56KF VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6 74HC138 A B C G2A G2B G1 Y7 GND IC9 1 VCC - + AS /BS BS /AS 2 3 8 4 D 1 3 3 1 5 C41 0.1uF PE CLK DAT /STB2 /STB1 /LAT TH /S8 /S9 /S0 /S1 /S2 /S3 /S4 /S5 /S6 IC8A BA10393 1 5 1 1 HUPS 1 1 1 1 0.1uF C36 0.1uF C32 VO VCC TCOFF 3 + VCC 1,3 1 2 1 C31 10uF/50V 1 1 1 1 6 5 4 IN1 IN2 ENA1 ENA2 DR1 IC8B BA10393 4 - + 8 7 F1 VO T500mA/250V C35 VO 4 DRIVING CIRCUIT 6 VCC 10uF/50V + 7 2 7 14 6 9 2 13 1 1 LB1838M GND GND IN1 IN2 ENA1 ENA2 VCC IC11 1SS133 D4 VS1 VS2 1 OUT1 OUT2 OUT3 OUT4 3 1 8 3 5 12 10 4 11 + VP C34 0.1uF MOTOR C39 10uF/50V AS /AS BS /BS 2SD2212 Q4 C66673 JUMPER WIRE(FB1) FB1 VCONT 1.8K R77 VDR 2,3 3 2 3 2 B 2 S C 2 E 2SD2212 1 2SK2731 G D 3 1 C66673 JUMPER WIRE(FB2) FB2 1N4002 D18 1K R76 0.1uF C28 NOT INSTALL 2 VP 2 3 1 TP2 2510-3A 3 2 1 CN5 2SD2212 Q1 1 2 CN4 EH-2A STRAIGHT CON 3 8 1 2 – 21 – 1 CIRCUIT DIAGRAM AND PWB LAYOUT 2 2 1 XE-A21S 2/4 2 E 3 1 KRC111S B C 1 DRAWER MOTOR 1 A B C D A B C R90 2.7K 8 UDZS5.1B ZD3 1uF/50V C48 NOT INSTALL + R101 3.9KF R91 9.1KF VO R98 0 1 2 3 - + VCC R93 2.7K 7 2 P-OFF IC14A BA10393 1 56K R95 MYLAR 0.033uF 3.15A C42 6 5 /VON IC14B BA10393 VLED - + 1 C55 0.1uF 6 2 4 1 + 50V C52 1SS133 NOT INSTALL 2 2 2 24K R88 5 IC12 D15 VIN 1 + 1 5 UDZS4.3B 1 VIN IC15 RB060L40 HEAT SINK 2 + 1 IC13 HEAT SINK ZD5 220uF/50V D17 UDZS5.1B ZD4 1 10K R8 10K R6 2 1SS133 C47 1 D7 R87 R84 22K 3300uF 220uF/50V 1SS133 1 1SS133 2 D10 1 R89 C43 2.2K 2 D8 + 1 Q7 KRA106S /POFF 1.0A /VOFF /POFF F3 TCOFF BR32 2 1 VPON 2 3 - C51 0.1uF 7 R107 33 FROM TRANSFORMER VH-2A 2 1 CN7 D5 1 2 F2 5 0 Q5 KTD998 3 2 5 2 ON/OFF VOUT 2 5 2 PQ1CG2032FZ ON/OFF VOUT 1 D14 L:OFF H,OPEN:ON Q8 KRC106S R9 10K 180uH L2 4 D6 R96 910F C45 R105 560 R7 10K VO 1000uF 16V + FMB-G24H 2.7KF R92 L1 63uH IPEAK>12A :100% 0.022uF(M) C54 RB060L40 D16 220uH /VOFF L3 R86 18K R82 10(FUSE) with FUSE 4 RB060L40 /VOFF RB060L40 D9 Q6 KRC106S H:OFF 6,8pin:N.C L:ON LM2574 7 2 Q1:HEAT SINK PQ1CG2032FZ 1 1 6 1 3 4 2 3 4 ADJ 1 2 D 1 2 1 2 + C49 C53 3 1000uF/35V VO:23.8V NOT INSTALL VLED VO 10uF/10V OS + R85 3.3KF R83 17.8KF 3 1 PTZ6.2B 1N4002 1 D12 ZD2 + 1N4002 1 D11 4700uF 16V C44 1 2 POWER CIRCUIT 2 1 8 4 8 4 1 2 1 2 2 1 COM 3 4 ADJ COM 3 2 1 2 2 2 1 7 1 3 2 1 2 ZD1 VP 2 2 330uF 16V + C46 2 B D13 RB721Q 0.1uF(M) C50 R97 220 VCC +5V VLED +5.8V PTZ9.1B 1 2 8 2 1 3 1 1 – 22 – 1 CIRCUIT DIAGRAM AND PWB LAYOUT 2 2 1 XE-A21S 1 E 1 2 CN8 1 FROM BATTERY 1 E 1 3/4 KRA106S 3 C VBAT 2 B TJC3-2A(BLUE) R100 100 3.3M R99 22K R94 VDD VCC B C E KTD998 1 2 3 KRC106S 3 C 1 A B C D A B C D 8 1 SD_CLK 1 /SD_POW 1 SD_TXD 1 /SD_POW 1 /SD_CS 1 /SD_POW VCC3 VCC3 0.1uF C61 VCC3 12 5 2 VCC3 14Pin : VCC3 7Pin : GND 7 9 C58 100pF 74LV125 8 IC17C NOT INSTALL C60 100pF C59 100pF 1 SD_RXD 6 5 4 6 1 /SD_WP 1 /SD_CD 51 10K HAT1089C R110 Q9 3 2 1 R109 VCC3 6 NOT INSTALL C66 100uF/50V NOT INSTALL VCC3 74LV125 11 IC17D 74LV125 6 IC17B 74LV125 3 1 /SD_POW IC17A + VCC3 1 2 7 5 R119 R118 #10 #9 #1 #2 #3 #4 #5 #6 #7 #8 #11 74HCT04 11 1000pF C64 10K R111 12 100K R113 5 CD COMMON 100K R114 74HCT04 13 14Pin : VCC 7Pin : GND 1000pF C65 VCC 10K R112 IC16F VCC 4 4 #13 GND #12 WP SD Card Pin Layout NOT INSTALL C62 100pF 10 33 33 100K R104 C56 1uF/50V IC16E + S:1pin D:2,3,4,5pin G:6pin 1 2 SD CARD CIRCUIT 14 1 7 14 4 7 14 13 7 14 VCC 100K R115 0.1uF C63 100K R116 3 3 100K R117 1 2 3 4 5 6 7 8 9 10 11 12 13 CS DI VSS VDD SCLK VSS2 DO RSV RSV CD SW WP GND CN9 2 ALPS SCDA2A0300 1uF C57 2 9 5 3 1 14 14 7 14 7 14 7 7 8 14 10 CIRCUIT DIAGRAM AND PWB LAYOUT 7 14 7 – 23 – 7 XE-A21S 1 1 74HCT04 8 IC16D 74HCT04 6 IC16C 74HCT04 4 IC16B 74HCT04 2 IC16A 4/4 A B C D A1 B1 C1 D1 E1 F1 G1 DP1 – 24 – CIRCUIT DIAGRAM AND PWB LAYOUT 8 2SD2170 3.5K 300 7 E 6 KID65083 Q23 47K 52045-0745 FROM KEY 3K R123 7.2K 47K 2.7K R122 G10 47K P91 R121 3 1 3 120 R142 Q13 1 47K R124 47K 47K R126 47K R127 Q24 GND OUT PUT 5 COMMON P[90..97] R125 P93 I NPUT VCC CN15 Q22 120 R141 Q12 P94 B C C72 0.1uF VLED VLED 1 R132 12K P95 /S3 /S4 /S5 /S6 100uF/16V + C71 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN13 52806-1510 FOR POP UP G1 G2 G3 G4 G5 G6 G7 a b c d e f g dp 3 120 R140 Q11 R131 12K P96 /S0 /S1 /S2 /S7 /S8 /RESET P90 P91 P92 P93 P94 P95 P96 P97 /S9 /VON VCC a dp g f e d c b or DTA143ESA Q21 1 12K R130 P97 FROM MAIN BOARD 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 17 16 15 14 13 12 11 10 18 17 16 15 14 13 12 11 10 KID65083AP(DIP) 1 2 3 4 5 6 7 8 9 CN12 52045-3445 1 2 3 4 5 6 7 8 9 3 120 R139 KRA101M * 10 KTA1664 * 3 12K R129 5 3 120 R143 Q14 R133 12K 1 CON3 Q25 3 120 R144 Q15 R134 12K 1 Q26 3 120 R145 Q16 R135 12K 4 3 120 R146 Q17 1 Q28 P:2.0mm HOLE ONLY FROM MODE SWITCH Q27 1 R136 12K P90 C73 100pF R128 47K 4.7K 47K 4 KRA101M, KRA106S INPUT VCC /S7 A B C A1 DP1 G1 F1 E1 D1 C1 B1 IC18 a b c d e f g dp G9 G10 G1 G2 G3 G4 G5 G6 3 2 G8 3 2 G7 1 2 3 2 D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CON2 P:2.0mm HOLE ONLY 1 2 3 2 FOR MAIN DISPLAY KEY 1 2 3 2 6 P92 1 1 2 3 2 ■ KEY IF CIRCUIT 1 2 1 2 2 7 /S6 3 1 2 /S6 1 XE-A21S /S5 2 /S9 /S4 3 /S8 /S3 4 G9 10 /S7 MDR 5 G8 /S2 6 G6 /S1 7 /S4 /S0 8 G5 4 /S3 5 1 2 3 2 G4 6 /S2 7 1 2 3 2 R137 12K 3 120 R147 Q18 G3 9 /S1 1 Q29 COMMON OUT P UT /RESET 11 1 2 8 12 3 /VON 3 120 R148 Q19 R138 12K 3 3 2 G2 13 1 2 Q30 1 3 2 G[1..10] Q20 G1 /S0 /S5 G7 /S[0..9] KTA1663 * 7 VLED 2 2 2 /S9 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 1 1SS133 FROMKEY D29 2 2 D27 2 /S7 D28 D26 2 /S6 /S8 D25 2 D24 2 2 /S5 /S4 D23 D22 2 /S2 /S3 D21 2 D20 2 D30 /S1 /S0 /S1 1/1 1 52045-1245 1 2 3 4 5 6 7 8 9 10 11 12 CN1 1 A B C D A B C /S9 /S8 /S7 /S6 /S5 /S4 /S3 /S2 /S1 /S0 /S1 8 FOR KEY I/F BOARD 1.25mm FPC CN 12 11 10 9 8 7 6 5 4 3 2 1 CN1 7 35 34 33 32 42 41 40 39 25 24 23 22 21 31 30 29 28 27 26 12 9 8 7 6 5 4 3 2 1 11 10 20 19 18 17 16 15 14 13 CN2 6 1.25mm FPC CN 5 P91 1 D ¡ü 5 P92 2 ■ KEY-MTX CIRCUIT 6 P93 3 7 P94 4 8 P95 5 – 25 – P96 6 CIRCUIT DIAGRAM AND PWB LAYOUT 7 XE-A21S P97 49 50 51 54 55 56 57 58 59 37 38 52 53 43 44 45 46 47 4 FOR KEY I/F BOARD 48 36 4 25 37 49 36 48 13 12 24 1 ¡ü 3 3 51 39 38 50 27 15 3 26 14 2 52 40 28 16 4 2 53 41 29 17 5 2 54 42 30 18 6 55 43 31 19 7 56 44 32 20 8 57 45 33 21 9 1 58 46 34 22 59 47 35 23 11 1/1 10 1 A B C D CIRCUIT DIAGRAM AND PWB LAYOUT – 26 – A B C HOLE ONLY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CON1 8 G7 G8 G9 G10 G1 G2 G3 G4 G5 G6 G[1..10] 7 G10 G9 G7 G6 G5 LED6 LA56S2-S2 G4 G3 2 2 LED5 LA56S2-S2 G2 G1 1 R29 R30 R31 R32 R33 R34 R35 R36 30 1/6W 30 1/6W 30 1/6W 30 1/6W 30 1/6W 30 1/6W 30 1/6W 30 1/6W 5 4 3 1 dp g f e d c b a dp g f e d c b a LED7 LA56S2-S2 3 dp g f e d c b a dp g f e d c b a 6 G8 DISPLAY PWB 4 dp g f e d c b a dp g f e d c b a LED8 LA56S2-S2 5 dp g f e d c b a dp g f e d c b a 14 dp g f e d c b a dp g f e d c b a LED9 LA56S2-S2 13 D 14 ■ MAIN DISPLAY CIRCUIT 6 13 7 14 8 13 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 14 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 13 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 14 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 13 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 XE-A21S 1/1 A B C D CIRCUIT DIAGRAM AND PWB LAYOUT A B 8 7 6 MODE SWITCH 4 1 5 6 7 8 10 5 4 3 2 1 5 FOR KEY I/F BOARD CN1 P:2.0mm HOLE ONLY 4 /S7 /S6 /S5 /S4 /S3 MOR /S2 /S1 /S0 4 7 6 C SW1 9 5 3 8 D ■ MODE SWITCH CIRCUIT 6 2 9 – 27 – GND 3 GND 00 000 /VON 0 /RESET 10 7 3 12 8 11 XE-A21S 13 2 2 1 1 1/1 A B C D XE-A21S CIRCUIT DIAGRAM AND PWB LAYOUT – 28 – A B C 8 27 1/6W 27 1/6W DP' R7 R8 G' LED2 LA56S2-S2 13 G3' 14 LED1 LA56S2-S2 G2' 13 G1' 27 1/6W 27 1/6W 7 R5 R6 F' dp g f e d c b a 6 E' 27 1/6W R4 D' 5 27 1/6W R3 C' 4 27 1/6W R2 B' 27 1/6W R1 A' 3 5 10 9 1 2 4 6 7 14 G4' 3 4 17 1 2 3 16 9 7 5 6 8 11 18 15 12 10 dp g f e d c b a dp g f e d c b a 13 G5' 4 4 17 1 2 3 16 9 7 5 6 8 11 18 15 12 10 dp g f e d c b a dp g f e d c b a 4 17 14 LED3 LA56S2-S2 G6' 5 1 2 3 16 9 7 5 6 8 11 18 15 12 10 dp g f e d c b a dp g f e d c b a 3, 8 LED4 LA56S1-S2 G7' 3 8 6 14 D ■ POPUP CIRCUIT 7 13 8 14 5 10 9 1 2 4 6 7 13 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 14 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 13 4 17 18 1 2 3 15 16 9 7 12 5 6 8 10 11 2 2 52807-1510 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN1 1/1 1 F ROM KE Y I / F BOARD G1' G2' G3' G4' G5' G6' G7' A' B' C' D' E' F' G' DP' 1 A B C D XE-A21S CIRCUIT DIAGRAM AND PWB LAYOUT – 29 – A B C D 7 8 CN1 52806-2610 TO MAI N PWB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 6 7 6 BE CAREF UL F OR DI RECTI ON OF CONNE CTER! ■ PRINTER I/F CIRCUIT 8 C1 VP 5 0.1uF NOT MOUNT 5 5V 4 01.uF NOT MOUNT C2 VP 5V 4 3 3 5V LEDK PE HUPS VP VP LAT# TH GND GND STB1# 5V STB2# GND GND CLK DAT VP VP A /B B /A CN2 2 TO PRI NTER 52806-2710 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 2 1 1 1/1 A B C D 1. MAIN PWB LAYOUT PWB LAYOUT Top side XE-A21S CIRCUIT DIAGRAM AND PWB LAYOUT – 30 – Bottom side XE-A21S CIRCUIT DIAGRAM AND PWB LAYOUT – 31 – 2. KEY INTERFACE PWB LAYOUT Top side Bottom side XE-A21S CIRCUIT DIAGRAM AND PWB LAYOUT – 32 – 3. PRINTER I/F PWB LAYOUT Top side Bottom side 4. REAR DISPLAY PWB LAYOUT 5. DISPLAY PWB LAYOUT XE-A21S CIRCUIT DIAGRAM AND PWB LAYOUT – 33 – COPYRIGHT  2006 BY SHARP CORPORATION All rights reserved. Printed in Japan. No part of this publication may be reproduced, stored in a retrieval system, or transmitted. In any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. SHARP CORPORATION Information and Communication Systems Group Quality Assurance Department Yamatokoriyama, Nara 639-1186, Japan 2006 November Printed in Japan t

Service Manual Model Xe-a21s

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