Mc145 Micro System

Transcript

MC145 Micro System All version TABLE OF CONTENTS Handling Chip Components .......................................................... 1-1 Service Tools ................................................................................. 1-1 Leadfree and Safety Information................................................... 1-2 Technical Specification .................................................................. 2-1 Service Measurement Setup......................................................... 2-2 Alignment Instruction..................................................................... 2-3 Connections and Controls ..................................................... 3-1...3-3 Disassembly Instruction ........................................................ 4-1...4-2 Set Block Diagram ........................................................................ 5-1 Set Wiring Diagram ....................................................................... 5-2 Display Board Circuit diagram ......................................................................... 6-1 Layout diagram ........................................................................ 6-2 Combi Board Circuit diagram (Tuner/Tape/Amp part) .................................... 7-1 Circuit diagram (CD part) ......................................................... 7-2 Layout diagram - top view ........................................................ 7-3 Layout diagram - bottom view .................................................. 7-4 Exploded View Diagram ................................................................ 8-1 Mechanical Partslist ...................................................................... 8-2 Accessories and Electrical Partslist ...................................... 9-1...9-3 © Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. 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, or otherwise without the prior permission of Philips. Published by YT 0605 Service Audio Version 1.0 Printed in The Netherlands Subject to modification © 3141 785 30680 1-1 HANDLING CHIP COMPONENTS 1-2 2-1 SPECIFICATIONS GENERAL: Mains voltage /37 /55 /79/93/98 Mains frequency Power consumption Dimension center unit Dimension speaker TUNER: FM Tuning range IF Frequency Sensitivity at 26sb S/N Selectivity at 600 kHz Bandwidth IF rejection Image rejection Distortion Crosstalk MW Tuning range : : : : : 120V 110 / 220V switchable 220 – 240V 50/60 Hz < 20W max. < 3W at standby : 168 x 224.5 x 214.5 mm : 130 x 224.5 x 213 mm : 87.5 – 108 MHz : 10.7 MHz r 20kHz : < 18 PV : : : : : /37 : : Grid : IF Frequency : Aerial input : Sensitivity at 26sb S/N : Selectivity at 18 kHz Bandwidth : IF rejection : Image rejection : Distortion : > 45 dB > 50 dB > 20 dB < 2% > 20 dB 530 – 1700 kHz 531 – 1602 kHz 9/10 kHz 450 kHz r 3kHz Inner bar antenna < 4.4 mV/M > 18 dB > 45 dB > 30 dB < 5% AMPLIFIER: Output power Speaker impedance Frequency response Within r 3dB Bass Boost ON Headphone output : 2 x 2 W RMS : 8 ohm : 60Hz – 16 kHz : 6dB r 3dB at 120Hz : 32 mW r 2dB at 32 : CASSETTE RECORDER: Number of tracks : 2 x 2 stereo Tape speed : 4.76 cm/sec +2.5/-1.5% Wow and flutter : < 0.35% DIN Fast-wind/rewind time : < 130 sec. With C-60 Bias frequency : 75 r 10 kHz Frequency response (PB) : 125 – 8 kHz (8 dB) Signal to noise radio : > 35 dB with type 1 tape COMPACT DISC: Number of programming track : 20 Frequency response Within r 3 dB : 63 Hz – 16 kHz Signal/Noise ratio : 50 dB/A-weighted Distortion at 1 kHz : < 3% Channel separation at 1 kHz : > 25 dB 2-2 SERVICE MEASUREMENT Tuner FW DUT Bandpass 250Hz-15kHz LF Voltmeter e.g. PM2534 e.g. 7122 707 48001 RF Generator Ri=50½ e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) DUT Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 RF Generator e.g. PM5326 S/N and distortion meter Ri=50½ e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday«s cage. Use a bandpass filter (or at least a high pass filter with 250kHz) to eliminate hum (50Hz, 100Hz). CD RECORDER Use Audio Signal Disc SBC429 (replaces test disc 3) 4822 397 30184 DUT Use Universal Test Cassette Fe LF Generator L R S/N and distortion meter e.g. Sound Technology ST1700B Ri=50½ e.g. PM5110 SBC420 4822 397 30071 DUT L R S/N and distortion meter e.g. Sound Technology ST1700B LEVEL METER LEVEL METER e.g. Sennheiser UPM550 with FF-filter e.g. Sennheiser UPM550 with FF-filter 2-3 ALIGNMENT INSTRUCTION AM I.F. ALIGNMENT 1. Set the POWER BUTTON to POWER "ON". 2. Set the FUNCTION SELECTOR SWITCH to RADIO & AM BAND. 3. Connect a SWEEPSCOPE OUTPUT to AM antenna terminal. 4. Connect a SWEEPSCOPE INPUT to pin 13 of IC1 through a 1uf capacitor and ground. STEP SET SIGNAL SET DIAL ADJUST 1 450KHz GANG OPEN T1(AM IF) ADJUST FOR CENTER & MAXIMUM OUTPUT AM R.F. ALIGNMENT 1. Connect an RF generator to a standard radiating loop. 2. Connect a SCOPE and VTVM across the speaker output. STEP SET SIGNAL SET DIAL ADJUST 1 530KHz GANG CLOSED T2 (AM OSC COIL) 2 1700KHz GANG OPEN CT1 MAXIMUM 3 612KHz 612KHz (AM SENS COIL) OUTPUT 4 1404KHz 1404KHz CT3 (AM SENS TRIM.) 5 ADJUST FOR REPEAT STEPS 3 AND 4 TO OBTAIN BEST TRACKING. FM I.F. ALIGNMENT 1. Set the POWER SWITCH to POWER "ON". 2. Set the FUNCTION SELECTOR to RADIO & FM BAND. 3. Connect a SWEEPSCOPE OUTPUT to pin5 of IC001 through a 20pF capacitor and ground. 4. Connect a SWEEPSCOPE INPUT to pin16 or 17 of IC001 through a 1uf capacitor and ground. STEP 1 SET SIGNAL 10.7MHz SET DIAL ADJUST GANG OPEN ADJUST FOR MAX.AMPLITUDE BALANCED CURVE CHECK FM R.F. ALIGNMENT 1. Connect an RF generator to the FM antenna terminal and ground. 2. Connect a SCOPE & VTVM across the speaker output. STEP SET SIGNAL SET DIAL 1 87.5MHz GANG CLOSED 2 108MHz 90MHz 90MHz 4 106MHz 106MHz ADJUST FOR L3 (FM OSC COIL) GANG OPEN 3 5 ADJUST CHECK MAXIMUM L4 (FM RF COIL) OUTPUT CT2 REPEAT STEPS 3 AND 4 TO OBTAIN MAX ADJUST. CASSETTE ALIGNMENT 1. Set the FUNCTION SELECTOR BUTTON TO TAPE. 2. Connect a Scope & VTVM across the speaker output. 3. Insert the 8KHz tape in to cassette deck and push play BUTTON. 4. ADJUST HEAD for speaker maximum output. SCREWDRIVER ADJUSTING SCREW CD ALIGNMENT Auto alignment. MOTOR SCREWDRIVER 3xx -1 CONNECTION AND CONTROLS        
           
     8  3-2 CONNECTION AND CONTROLS #ONTROLSILLUSTRATIONSONPAGE #ONTROLSONTHESYSTEMAND REMOTECONTROL  $"" $YNAMIC"ASS"OOST n  ,#$$ISPLAY n n  SHOWSTHESTATUSOFTHESYSTEM ENHANCESTHEBASS  ONREMOTECONTROL ADJUSTSVOLUMELEVEL  6/,5-%  I23%.3/2 n n 8 4APE$ECK/PERATION INFRAREDSENSORFORREMOTECONTROL  02/' /0%.s#,/3% /PENSTHETAPEKEYCOVER 2%#/2$  STARTSRECORDING 0,!9   STARTSPLAYBACK àá  FASTREWINDSFORWARDSTHETAPE 34/0s/0%.  STOPSTHETAPEOPENSTHETAPE COMPARTMENT 0!53%  PAUSESRECORDINGORPLAYBACK FOR#$  PROGRAMSTRACKSANDREVIEWSTHE PROGRAM FOR4UNER  PROGRAMSTUNERSTATIONSMANUALLY ORAUTOMATICALLY  0/7%2N n SWITCHESTHESYSTEMTOSTANDBYON  0,!90!53% FOR#$  STARTSORPAUSES#$PLAYBACK  45.).' 02%6)/53.%84G  @  n n FOR#$  SKIPSTOTHEBEGINNINGOFA CURRENTTRACKPREVIOUSNEXT TRACK FASTSEARCHESBACKANDFORWARD WITHINATRACK#$ FOR4UNER  TUNESTORADIOSTATIONS FORCLOCKTIMER  ADJUSTSTHEHOURSANDMINUTES FORCLOCKTIMERFUNCTIONS 3/52#%#$45.%24!0% SWITCHESONTHESYSTEM SELECTSTHERESPECTIVESOUNDSOURCEFOR#$ 45.%24!0% CONNECTHEADPHONES  /0%.s#,/3% n OPENSCLOSESTHE#$DOOR  -54% n SWITCHESPLAYBACKSOUNDOFFANDON  3,%%0 n ACTIVATESDEACTIVATESORSELECTSTHESLEEPERTIME  4)-%2 n ACTIVATESDEACTIVATESORSETSTHETIMERFUNCTION  02%3%4  ONREMOTECONTROL FOR4UNER  SELECTSAPRESETRADIOSTATION 0,!9-/$%2%0%!43(5&&,% n n REPEATSATRACK#$PROGRAMENTIRE#$ PLAYS#$TRACKSINRANDOMORDER
34/0"!.$ FOR#$  STOPS#$PLAYBACKORERASEA #$PROGRAM FOR4UNER  ONTHESETONLY SELECTS WAVEBAND  $)30,!9#,/#+ FOR#$  DISPLAY#$REMAININGTIME ATSTANDBY  SETSTHECLOCKFUNCTION .OTESFORREMOTECONTROL n &IRSTSELECTTHESOURCEYOUWISHTOCONTROL BYPRESSINGONEOFTHESOURCESELECTKEYSON THEREMOTECONTROLFOREXAMPLE#$ 45.%2  n 4HENSELECTTHEDESIREDFUNCTIONFOR EXAMPLEÉ í ë  3xx -3 CONNECTION AND CONTROLS 0REPARATIONS &-ANTENNA 3PEAKER LEFT 3PEAKER RIGHT FM ANT 110V 220V AC ~ !#POWERCORD 2EARCONNECTIONS 4HETYPEPLATEISLOCATEDATTHEBACKOFTHE SYSTEM  0OWER n "EFORECONNECTINGTHE!#POWERCORDTOTHE WALLOUTLET ENSURETHATALLOTHERCONNECTIONS HAVEBEENMADE n )FYOURSYSTEMISEQUIPPEDWITHA6OLTAGE 3ELECTOR SETTHE6/,4!'%3%,%#4/2TOTHE LOCALPOWERLINEVOLTAGE 7!2.).'
n &OROPTIMALPERFORMANCE USEONLYTHE ORIGINALPOWERCABLE n .EVERMAKEORCHANGEANYCONNECTIONS WITHTHEPOWERSWITCHEDON  3PEAKERS#ONNECTION &RONT3PEAKERS #ONNECTTHESPEAKERWIRESTOTHE30%!+%23 TERMINALS RIGHTSPEAKERTO2)'(4ANDLEFT SPEAKERTO,%&4 COLOUREDMARKED WIRETO +ANDBLACKUNMARKED WIRETO- &ULLYINSERTTHESTRIPPEDPORTIONOFTHESPEAKER WIREINTOTHETERMINALASSHOWN .OTES n &OROPTIMALSOUNDPERFORMANCE USETHE SUPPLIEDSPEAKERS n $ONOTCONNECTMORETHANONESPEAKERTOANY ONEPAIROF+-SPEAKERTERMINALS n $ONOTCONNECTSPEAKERSWITHANIMPEDANCE LOWERTHANTHESPEAKERSSUPPLIED0LEASEREFERTO THE30%#)&)#!4)/.3SECTIONOFTHISMANUAL 4-1 DISASSEMBLY INSTRUCTION A. Remove Top Cabinet A1: Remove screws T3x8 (2 pcs) A2: Remove screws T3x8 (2 pcs) A3: Remove screws T3x10 (2 pcs) A4: Remove screws T3x10 (2 pcs) A3 A4 A1 B. Remove CD Module B1: Remove screws T3x10 (2 pcs) A2 C. Remove CD Module Cover C1: Remove screws T3x10 (6 pcs) C1 B1 4-2 4-2 DISASSEMBLY INSTRUCTION D. Remove CDM D: Remove special screws (4 pcs) E. Remove Back Cabinet E1: Remove screws T3x8 (2 pcs) D1 G. Remove PCB Bracket G1: Remove screws T3x8 (3 pcs) E1 G1 F. Remove Cassette Board Assy and Tape Deck F1: Remove screw T3x8 (1 pc) F2: Remove screw M3x6 (1 pc) F3: Remove screws T3x10 (4 pcs) H. Remove Front PCB Assembly H1: Remove screws T3x8 (14 pcs) F2 F1 F3 H1 5-1 SET BLOCK DIAGRAM 5-1 5-2 5-2 SET WIRING DIAGRAM CW3 HEADPHONE PCB CN3 AC1 AC2 CN2 TRANSFOMER CN6 D I S P L AY P C B CN7 MAIN PCB CN101 C0N401 CN4 CW6 CW4 TAPE PCB FM ANT CN104 CN103 CASSETTE DECK CD DOOR SWITCH CD DECK CN3 MOTOR 6-1 CIRCUIT DIAGRAM - DISPLAY BOARD 6-1 6-2 6-2 LAYOUT DIAGRAM - DISPLAY BOARD COMPONENT SIDE COPPER SIDE 7-1 CIRCUIT DIAGRAM - COMBI BOARD (TUNER/TAPE/AMP) 7-1 7-2 CIRCUIT DIAGRAM - COMBI BOARD (CD part) 7-2 7-3 LAYOUT DIAGRAM - COMBI BOARD (TOP VIEW) 7-3 7-4 LAYOUT DIAGRAM - COMBI BOARD (BOTTOM VIEW) 7-4 8-1 EXPLODED VIEW DIAGRAM 8-1 8-2 MECHANICAL PARTS LIST 1 2 3 4 5 9940 000 04381 9940 000 04382 9940 000 04383 9940 000 04384 9940 000 04385 TOP CAB FRONT CAB REAR CAB CASS BRACKET DISPLAY BRACKET 6 7 8 9 10 9940 000 04386 9940 000 04387 9940 000 04388 9940 000 04389 9940 000 04391 BTN BRACKET TUN BOTTON BKT TUN BKT CASS PRESS PLATE CASS DOOR 11 12 13 14 15 9940 000 03682 9940 000 04392 9940 000 04393 9940 000 04394 9940 000 04395 CD DOOR (D.GREY) LASER COVER (FOR SANYO CD) MAGNET CAP BOTTOM CD MAGNET HOLDER DUSTPREVENTION COVER 16 17 18 19 20 9940 000 04396 9940 000 04397 9940 000 03686 9940 000 03687 9940 000 04398 DAMPER GEAR DAMPER GEAR HOLDER CD DOOR-GEAR (2) GEAR HOLDER (2) CD KEY 21 22 23 24 25 9940 000 04399 9940 000 04401 9940 000 04402 9940 000 04403 9940 000 04404 VOL KEY DBB KNOB VOL KEY RING TRIM RING 24-TUN-BTN 26 27 28 29 30 9940 000 04405 9940 000 04406 9940 000 04407 9940 000 04408 9940 000 04409 CASS KNOB LID CASS KNOB-KIT DISPLAY LENS CASS LENS LCD LENS 31 35 36 38 41 9940 000 03703 9940 000 00505 9940 000 00506 9940 000 04378 9940 000 04103 CD DOOR LENS CD DAMPER 658 TA 30 CD DAMPER 658 TB 40 MAGNET CAP TOP PLATE CASS DOOR SPRING (SMALL) 42 43 66 67 68 9940 000 04379 9940 000 03674 9940 000 04374 9940 000 03669 9940 000 04375 CASSETTE KEY COVER SPRING CD DOOR SPRING F/CASS DECK CS-21SC-820DT CD MECHANISM DA11VF MAGNET 30X16MM H=5MM 9-1 ACCESSORIES 9940 000 04334 9940 000 04335 ! 9940 000 03633 ! 9940 000 04411 ! 9940 000 02578 ! REMOTE CONTROL ASS'Y SPEAKER BOX ASS'Y (L/R) AC CORD SET VDE APP (/55, /98) AC CORD SET SAA APP (/79) UL POWER CORD 6FT (/37) 9940 000 02186 AC CORD CCC APP 1.85M (/93) ELECTRICAL PARTS LIST DISPLAY BD ASS'Y D401 LED1 Q401 Q402 9940 000 04361 9940 000 04363 9940 000 04364 9965 000 20152 9940 000 04362 DISPLAY BD ASS'Y SMD DIODE PMLL4148L LED LAMP 5MM (BLUE) MMBT3904LT1 SMD SOT23 TRANSISTORS PSS8050D IC401 IR401 JK601 LCD401 SW401 9940 000 04366 9940 000 04367 9940 000 04369 9940 000 04365 9940 000 04368 IC ET8861S OPTIC SENSER FM-6038TM2-5AN PHONE JACK TC38-063-05-01 LCD DISPLAY SDH-DC1373-TP-1 TACT SWITCH 6X6MM H=5MM SW402 SW403 SW404 SW405 SW406 9940 000 04368 9940 000 04368 9940 000 04368 9940 000 04368 9940 000 04368 TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM SW407 SW408 SW409 SW410 SW411 9940 000 04368 9940 000 04368 9940 000 04368 9940 000 04368 9940 000 04368 TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM SW412 SW413 SW414 SW415 9940 000 04368 9940 000 04368 9940 000 04368 9940 000 04368 TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM TACT SWITCH 6X6MM H=5MM RECORD BD ASS'Y D13 Q36 Q37 IC4 9940 000 04371 9940 000 04363 9965 000 20152 9940 000 03937 9940 000 03635 RECORD BD ASS'Y SMD DIODE PMLL4148L MMBT3904LT1 SMD SOT23 SMD TRANSISTORS PMBT3906 IC PRE AMP BA3308 T6 9940 000 03648 COIL 10MM 621 (BLACK) 9-2 ELECTRICAL PARTS LIST MAIN BD ASS'Y CT1 CT2 CT3 9940 000 04336 9940 000 04355 9940 000 04351 9940 000 04351 9940 000 00254 MAIN BD ASS'Y FERRITE BAR 10X60MM TRIMMER 20PF (RED) TRIMMER 20PF (RED) TRIMMER 10PF 6MM (WH) AM ANT CF1 CF2 CF3 T1 9940 000 04358 9940 000 03642 9940 000 02857 9940 000 04353 9940 000 04356 AM COIL (AD)/M7 65:20T CER. FILTER LT10.7MA5-A RED CERAMIC FILTER SFU450B DISC. FILTER JT10.7MG77-A I.F.T 7MM 7AC-249S0 (YELLOW) T2 X1 X101 X102 D1 9940 000 04357 9940 000 04352 9940 000 04352 9940 000 04354 9940 000 04341 I.F.T 7MM 7AL-272HM (RED) CRYSTAL 75KHZ 12.5PF DT-381 CRYSTAL 75KHZ 12.5PF DT-381 RESONATOR CRA16.93MHZ -5% SMD DIODE BAV99L D504 TD1 TD2 TD3 TD4 9940 000 03938 9940 000 04343 9940 000 04342 9940 000 04342 9940 000 04343 RECTIFIER DIODE RL-202 VARICAP DIODE V149 VARICAP DIODE V101 VARICAP DIODE V101 VARICAP DIODE V149 Q1 Q2 Q3 Q5 Q6 9965 000 20152 9965 000 20152 9965 000 20152 9965 000 20152 9965 000 20152 MMBT3904LT1 SMD SOT23 MMBT3904LT1 SMD SOT23 MMBT3904LT1 SMD SOT23 MMBT3904LT1 SMD SOT23 MMBT3904LT1 SMD SOT23 Q14 Q15 Q101 Q102 Q103 9940 000 04144 9965 000 20152 9940 000 01193 9940 000 04339 9965 000 20152 PNP TRANSISTORS 9015C MMBT3904LT1 SMD SOT23 TRANSISTORS KSB772YS TRANSISTORS PSS8550D MMBT3904LT1 SMD SOT23 Q104 Q105 Q106 Q202 Q302 9940 000 04144 9940 000 03937 9965 000 20152 9940 000 04337 9940 000 04337 PNP TRANSISTORS 9015C SMD TRANSISTORS PMBT3906 MMBT3904LT1 SMD SOT23 TRANSISTORS 2SD1936T-AC TRANSISTORS 2SD1936T-AC Q501 Q502 Q504 Q507 Q508 9940 000 04143 9940 000 04143 9965 000 20152 9965 000 20152 9940 000 01193 NPN TRANSISTORS 9014C NPN TRANSISTORS 9014C MMBT3904LT1 SMD SOT23 MMBT3904LT1 SMD SOT23 TRANSISTORS KSB772YS IC1 IC2 IC3 IC5 IC101 9940 000 01614 9940 000 04344 9940 000 04347 9940 000 04346 9940 000 04348 IC TB2132FNG IC HEF4052BT IC TC9260P IC POWER AMP LA4627 IC TC94A58FAG-264 (MASKING) 9-3 ELECTRICAL PARTS LIST MAIN BD ASS'Y (cont'd) IC102 IC103 IC104 IC106 IC501 9940 000 02844 9322 131 04668 9940 000 02104 9940 000 04349 9940 000 04345 IC TA2157FN IC SM M24C01-WMN6 (ST00) R IC D9258 MOTOR DRIVERCD IC XC61CN4702PR IC KA7806E IC503 9940 000 00253 IC (SAMSUNG) KA7808 MISCELLANEOUS 9940 000 03661 9940 000 03656 9940 000 03672 9940 000 04376 9940 000 04377 SPK JACK PT-22V11 PUSH SWITCH PS-102D13-NS LEAF SWITCH TC-48021-01 SWITCH SL14-22AH-5AN 16P FLAT FLEX CABLE L=200MM 9940 000 04359 9940 000 04373 ! 9940 000 04412 ! tbc ! 9940 000 03673 FUSE 5X20MM T2A/250V BS/VDE TRANSFORMER EI48 117/234V TRANSFORMER 230V (/79) TRANSFORMER 120V (/37) AC SOCKET TC08-115-02 (VDE) S18 F1 ! !