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Serv)ce Manual Plc-xp21 N Plc-xp21 E Plc

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S4^0 F/L^ NO. SERV)CE MANUAL Mutti-media Projector MODEL NO. PLC-XP21 N (U.5.A. ,Canada) PLC-XP21 E (Europe, Asia, Africa, M.E.) PLC-XP21 B (U.K.) ORiGtNALVERSiON Chassis No. MF6-XP21NOO PLC-XP21 EOO PLC-XP21BOO NOTE:Match the Chassis No. on the unit's back cover with the Chassis No. in the Service Manuai. if the Ortginai Version Service Manua) Chassis No. does not match the unit's, additiona) Service Literature is required. You must refer to "Notices" to the Origina) Service Manuat prior to servicing the unit. Give complete "Chassis NO." for parts order or servicing, [t is shown on the rating sheet on the cabinet of the Projector. CCINTENTS Specifications . . . . - - - - - - - - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ^ Disassemblies and Replacementt Procedures . - - - - - - - . . . . . . 3-17 Mechanical disassemblies Optical unit disassemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . 9^14 LCD pane) replacement - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Assy lamp replacement - ' Safety Instructions - - - - - - - - Circuit Protections . . . . . - - - - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Troubleshooting . . . . . . - . - . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-27 Waveforms . . - - - - - - " - - " Alignment Procedures - - - - - Service adjustments - - - - Focus adjustments - - " " . . . . . . . . . . . . . . . . . . . . . . . . . . 38-39 Convergence adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ^0 Product Code : 1 122 073 60 : 1 12207460 : 1 122 074 62 PLC-XP21N PLC-XP21E PLC-XP21B MF6AF PF6AF PF6CF Integrator lens adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 - - - - - - 42 Polarized glass adjustment . - - - . - - - . . . . . - - - - . . - - - - - - - - - 43 CPU input/output port functions . - - - . . - - . - - - . - . - - - - - - - - - 44-47 M a i n t e n a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 48-49 Notes on schematic diagram . . - . - . - - - - - - - - . . . - - - - - - - - - - 50-51 - - - 52-79 Cabinet, Chassis and Optical parts list - - . . . . - . . - - - - . - - - 54"-58 - - - 59-79 Parts location and PWB pattern diagrams . - - - - . . - . . . . . Block diagram and Low power distribution - - - . . . . . . - . . Schematic diagrams . - . - - . - - . . . - - . . - - - - - - - . . - - - . . - REFERENCE NO. SM5110202 PLC-XP21N PLC-XP21E TECHN)CAL SPEOFiCATfONS pr^tctofTn^ Dtt)«n*tent(W!fHtD) tMWtfoM LCO^«ty*tM!' Mmnt^«Pt]t'tt Ce)et<^**M ac B!ue pane! F)g.7 Fig.6 -40- - Integrator Lens Adjustment [ADJUSTMENT] F!g.M Moving of *tot A 1.Turn on tamp. 2. Set the size of a screen in about 40 inches. 3. tnput Green 100% raster signa), and make a fine focus. 4. Input'Yettow 100% raster signa!. 5. Loosen 3 screws "B" with the 2.0mm hex drtver(Fig.9) 6. Adjust the adjustment base of integrator tens ass'y to make cotor uniformity in yeitow. 1) !f the un-uniform color appears on the ieft or right of the screen as shown in Fig.8-1, adjust a siot "A" to make coior uniformity in ye!tow by using a siot screwdriver. 2) tf the un-uniform co!or appears on the top or bottom of the screen as shown in Fig.8-2, adjust the 2 screws "C" to make cotor uniformity in yeitow. 7. Tighten the 3 screws "B" to fix the integrator tens unit. Note: The retay tens adjustment must be carried out after compteting this adjustment. F!g.8-2 Moving of ecrewa C -41- Relay Lens Adjustment [ADJUSTMENT] 1. Turn on tamp. tnput white 100% raster signaL 2. Set the size of a screen in about 40 inches. 3. Adjust the adjustment base of retay fens ass'y to make cotor uniformity in white. 1) )f the un-uniform coior appears on the ieft or right of the screen as shown in Fig. 10-1, toosen a screw "C" with the 2.5mm hex driver(Fig.H) and adjust the slot "D" to make coior uniformity in white by using a siot screwdriver. 2) [f the un-uniform coior appears on the top or bottom of the screen as shown in Fig.10-2, ioosen 2 screws "A" with the 2.5mm hex dr)ver(F'[g.11) and adjust the screw "B" to make color uniformity in white. 4. Tighten the 2 screws "A" and screw "C" to fix the reiay fens unit. -42- Fig.10-1 Moving o< etot D Po!anzed G)ass Adjustment [Before Adtu*tment] - )nput a 100% of Mack raster sfgna). Polarized gtass mounting base R/G/B Polarized glass adjustment 1. Loosen a screw " A " (Fig. 12) on the polarized glass mounting base which you intend to adjust. 2.Turn the polarized glass mounting base as shown in Fig.14, adjust the lowest !evet in Mack. 3. Tighten the screw " A " to fix the polarized glass mounting base. -43- .^- POarized : gtass t CPU MPUT/OUTPUT PORT FUMCT!OMS tP!NN^ t^r^M^t^ t-un^ttu^ HAMc ^ 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 31 32 33 34 3S 38 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ^ ^ P-T- O^t ^n)T"^ r'Ut-^rt) ! - Th m! ^'"^ t^ ^ !! —— ———^.- PS2EN SCL2 SDA2 —— ! vss —— ! ADDRESS 1 ADDRESS 2 ADDRESS 3 ADDRESS 4 VCC ADDRESS 5 VSS ADDRESS 6 ADDRESS 7 ADDRESS 8 ADDRESS 9 ADDRESS 10 ADDRESS 11 ADDRESS 12 ADDRESS 13 ADDRESS 14 ADDRESS 15 ADDRESS 16 VCC ADDRESS 17 VSS SCL1 SDA1 RAS CASL SYSSW AFT-V VSS BF-V ADDRESS 18 ADDRESS 18 ADDRESS 20 VCC ADDRESS 21 VSS READ WDT ! DATA 31 ! DATA 30 WRH WRL CS1 CSO - -, FUN^T^M ruM^ < !UM t^ ! r!:—= t i i ! PROGRESSfVE SCAN ENABLE ))C BUS 2 CLOCK ))C BUS 2 DATA --— VSS GND ^ — ! ADDRESS BUS 1 ADDRESS BUS 2 ADDRESS BUS 3 ADDRESS BUS 4 VCC 5V ADDRESS BUS 5 VSS GND ADDRESS BUS 6 ADDRESS BUS 7 ADDRESS BUS 8 ADDRESS BUS 8 ADDRESS BUS 10 ADDRESS BUS 11 ADDRESS &US 12 ADDRESS BUS 13 ADDRESS BUS 14 ADDRESS BUS 15 ADDRESS BUS 16 VCC 5V ADDRESS BUS 17 GND !!C BUS 1 CLOCK HC BUS 1 DATA DRAM-RAS S)GNAL OUTPUT DRAM-CAS StGNAL OUTPUT !C ON/OFF SW)TCH V.SYNC )NPUT (LCD PANEL DRtVE) VSS GND V-SYNC )NPUT ADDRESS BUS 16 ADDRESS BUS 19 ADDRESS BUS 20 VCC 5V ADDRESS 21 VSS GND READ S)GNAL (OUTPUT) —— DATA BUS 31 DATA BUS 30 WR)GHTStQNAL H-SBiT WR)GHTS)GNAL L-8B)T BGA CHtP SELECT FLASH MEMORY CH

Note: Part order must contain Chassis No.. Part No-, and descriptions. Product safety shoutd be considered when a component replacement is made in any area of a Projector. Components indicated by a ^ man< in this parts !ist and the schematic diagram show components whose value have special significance to product safety. !t is particufariy recommended that oniy parts specified on the fotiow ing parts !ist be used for components replacement pointed out by the mark. Read description in the Capacitor and Resistor as foiiows: Marked