Mitsubishi Electric WD-52528 Specifiche

• Design specifications are subject to change without notice.MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.9351 Jeronimo Road, Irvine, CA 92618-1904Cop

Page 10MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528On the right side of the chassis (from the rear):1) Release the AC Cord from it’s mounting.2) U

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 11Complete Chassis RemovalTo completely remove the chassis from the cabinet, the folowing connect

Page 12MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Chassis Disassembly / Accessing PWBsNote: Although not individually indicated, unplug the requ

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 13Assy PWB- TERMINAL Removal (Figure 2)1) Remove 7 screws (a) to removethe TERMINAL-INLAY.2) Remo

Page 14MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528PWB-POWER Removal (Figure 3)1) Remove four screws (b).2) Disconnect all connectors to PWB-POWER

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 15Figure 4: Chassis Rear Shield RemovalChassis Rear Shield Removal (Figure 4)1) Remove nine screw

Page 16MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Figure 6: PWBs MICRO, RISER and FORMAT RemovalFigure 7: PWB-DM RemovalPWB-DM Removal (Figure 7)

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 17Light Engine ReplacementLight Engine and Associated ComponentsThe exploded view below shows the

Page 18MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Light Engine ReplacementPreliminaryRefer to the chassis removal procedure and remove the BACK-C

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 195) Remove two screws (c) from Fan Plate and removeFan Plate6) Disconnect all connectors4) Remov

Page 20MODEL: WD-52527 / WD-52528 / WD-62527 / WD-6252811 Loosen (2) screws (h) to remove Ballast Cable12) Disconnect all connectors from Interface P

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 2115) Lift the Engine from Engine plate leaving theLamp Duct fan, Lamp Duct Intake and Ballast.IN

Page 22MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSCAUTION: Wear gloves when handling the Lenticul

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 23Figure 2: BEZEL Removal (Front View)Figure 3: Lenticular Screen & Fresnel Lens Removal (Re

Page 24MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528SERVICING THE LENTICULAR SCREEN AND FRESNEL LENSLenticular Screen and Fresnel Lens Installation

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 25OPTION MENU1. Press the “MENU” button on the remote hand unit.2. Press the buttons “2”, “4”, “7

Page 26MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528A. A/V MemoryEach of the external inputs has its’ own Audio/Video Memory. A change in an A/V s

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 273. Error Code Operational CheckNote: The TV must be in “Shut Down” and not have been switched O

Page 28MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528SERVICE ADJUSTMENTSThere are only 4 Service Adjustments required in these models:Two Electrical

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 294. Adjustment SelectionUse the “VIDEO” button to select a specific elecrtrical ajustment, “1 H

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 3INTRODUCTION ...

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 30Light Engine AdjustmentsTest Signal Activation1) Press “MENU-2-4-5-7” (Service Mode)2) Press “R

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 31After Adjustment (refer to previous page)1) Tighten Nuts (1) and (2).2) Tighten Slide-Lock-Mate

Page 32Purpose:MeasuringInstrumentTest PointMeasuringRangeInput SignalExt. TriggerInput TerminalSymptom:MODEL: WD-52527 / WD-52528 / WD-62527 / WD-625

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 33MICRO / TERMINAL PWB TROUBLESHOOTINGSymptom Possible CausesNo audio or video on one input Physi

Page 34MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528POWER PWB TROUBLESHOOTINGSYMPTOM CHECK POINT POSSIBLE CAUSECheck +15VS @ connector PD pin 1 Che

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 35LCD ENGINE INTERNAL LAYOUTSymptom Cause What to checkFMT does not turn on lamp due to fault det

Page 36MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528ENGINE PROTECT LINELED EmergencyIndicators codeLAMP-TEMPFILTER-DETSENSOR-DET(Device+Menu)[LT] [

PAGE 37MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Using Lead Free SolderPb SolderThe above symbol indicates Lead (Pb) Free solder wasused during

PAGE 38MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528CHIP PARTS REPLACEMENTSome resistors, shorting jumpers (0 Ohm resistors),ceramic capacitors, tr

PAGE 39MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Parts OrderingTo expedite delivery of replacement parts orders, specify the following:1. Model

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 4Fans Power Supply...

PAGE 40MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528QUICK REFERENCE FOR COMMON PARTSAssemblyWD-52527/WD-52528 WD-62527/WD-62528ASSY-PWB-POWER1 930B

PAGE 41Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W

Ref # Part # Part Name & Description [#]PAGE 42Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Mod

PAGE 43Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W

Ref # Part # Part Name & Description [#]PAGE 44Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Mod

PAGE 45Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W

Ref # Part # Part Name & Description [#]PAGE 46Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Mod

PAGE 47Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W

Ref # Part # Part Name & Description [#]PAGE 48Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Mod

PAGE 49Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 5INTRODUCTIONThis service manual provides service instructions for LCD Projection TV Models and

Ref # Part # Part Name & Description [#]PAGE 50Ref # Part # Part Name & Description [#]MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528[#] Mod

PAGE 51MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Screen Assembly (Exploded View)

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 52Main PowerSupply

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 53Lamp Ballast DC SupplyFans Power Supply

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 54Analog Video Signal PathNOTE:COMP-3 Inputson V28+ Only

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 55Digital Video Signal Path

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 56Sound Signal Path

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 57CommandInput CircuitrySerial Control Lines

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 58Lamp Control CircuitryShutter Control

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 59Lamp, Engine & Fan Protect CircuitryTV Guide On® Screen Block Diagram

Page 6MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528SAFETY PRECAUTIONSNOTICE: Observe all cautions and safety related notes located inside the recei

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 60

BOSSBOSSBOSS1234123 1234123456789101112131415161718192021221234567891011121314151617181920212212312321123456789101112345678910123456789101234123456781

3 9 14 2021651161381810 19151 1774122122 23 24BOSS18VS5VSL12VS5VS18VS-15VS+15VS+15VS5VSL-15VS12VS3.3V3.3V3.3V3.3V5VSL18V18V3.3V3.3V18V18VS18VS5VS5VS5V

39142021651161381810 19151 1774122122 23 243914251161381017412BOSS391421651161381015174123 9 14 2021651161381810 19151 177412L9J0468MH 9X9.5L9J0568MH

R8E11R8E12R8E13R8E14R8E16R8E15R8E02R8E03R8E04R8E05R8E10TX25-80P-LT-H1J8F01IC9H01BA18BC0FPPG 9...MICRO4 [HDMI]PG 11...DEMODPG 10...TERMINALPG 7...

R8G31IC8G0224LC256T-I/SNIC8G05M62368GP#CF0JDoLDCLKDIAo1Ao2NCGNDVSSNCAo3Ao4Ao5Ao6VDDVccIC8G07SN74LVC2G125DCURIC8G08SN74LVC2G125DCURIC8G06SN74LVC1G17-DC

GNDGNDBOSSLAMP-RLAMP-GSTAT-RSTAT-GPWR-GOODRS232-ENMAN-RSTASIC-BANKLAMP-R1LAMP-G1STATUS-RSTATUS-GMTU-LSTU-LAVR-LDM-LENC-LMN-LSUB-YSUB-PbSUB-PrSUB-HSUB-

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GNDGND1UC2K2310V/6.3V1UC2K2610V/6.3V1UC2K3710V/6.3V1UC2K3010V/6.3V1UC2K3210V/6.3V1UC2K2710V1UC2K4110V1UC2K4210V1UC2K4310V/6.3V1UC2K0210V/6.3V1UC2K0310

39256810 174TP5V0TPWPC0TPWPS0TPWPS1VCCTPTPWPC1TP5V1FDHMRSTHDMI-RINHDMI-GINHDMI-BINGNDDDC1DADDC1CLDDC0CLDDC0DA3.3VSDA3.3VSCLDSCL0DSDA0DSDA1DSCL1R0XC-R0

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 7SPEAKER GRILLE RemovalPull the SPEAKER-GRILLE away from the cabinet to remove.SCREEN-ASSY Remova

58K58KBIAS58K58KBIASGNDGNDTS T1BSTST1BSR2J22751/16WR2J16751/16WR2J23751/16WR2J21751/16WR2J18751/16WR2J17751/16W75R2J3475R2J3975R2J40120K1/16WR2J37120K

IC1501UPC3221GVIC1506MIC49150BRIC1507LD29150DT18RMAMBPG 19...DM10 [DMADC]PG 18...DM9 [MPEG ENCODER]PG 21...TERMINALPG 14...E2P / FRONT / CONTRO

GNDGNDGNDGND391420 216511613 8181019 15 11774122122232439142511613810 17412GOS-CTSGOS-RTSIR-INRMCMAN-RSTKSC1KSC0STAT-GSTAT-RLAMP-GLAMP-RLEDRELAYSTBY-S

1.3VCTS1P95/ANEX0/CLK42P94/DA1/TB4IN3P93/DA0/TB3IN4P92/TB2IN/SOUT35P91/TB1IN/SIN36P90/TB0IN/CLK37BYTE8CNVSS9P87/XCIN10P86/XCOUT11RESET12XOUT13VSS14XIN

BOSSBOSSBOSSBOSS1/16WR7L27F-2.2K50VC7K2810UZ-0.1C80E225V/16V1/16WR7L32F-56KZ-.1C80E325V/16VGND12K1/16WR7K2516VC7K0147U1/16WR7K324.7KGNDGNDZ-.1C80E125V

Page 8MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528BACK-COVER Removal1) Remove 9 screws (a)2) Remove 13 screws (b)3) Pull the COVER-BACK from the c

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528Page 9Chassis Mounting Screws RemovalRemove the two chassis mounting screws (b).Release Cable Clamps &