Zenith IQC60H94W Manuel de service

SERVICE MANUALProduct Type: Projection TVChassis:ZP94/ZP95Manual Series:PV152Manual Part #:923-03439Model Line:CProduct Year:2000General Information..

PV151 1-5 PROJOREMOTE CONTROL MODEL MBR3475ZFLASHBK (Flashback)Returns to previous Channel.POWERTurns TV On or Off.MODESelects the remote's mode

PV151 1-6 PROJOPROGRAMMING CODESCentury 12Citizen 12Colour Voice 31, 45Contronics 26, 29Contec 22Dae Ryung 21Eastern 15Electricord 32Everquest 56Focus

PV151 1-7 PROJOPROGRAMMING CODESDenon 03Hitachi 06JVC 00Kenwood 03Magnavox 04Mitsubishi 09Panasonic 03Pioneer 02Philips 05RCA (ProScan) 08Sony 01Toshi

PV151 1-8 PROJOSelect VIDEO to adjust picture settings and improve picture quality.Use Cursor Up or Down to highlight thefunction to be adjusted.Press

PV151 1-9 PROJOSelect AUDIO SETTINGS to adjust the AUDIO to your preference and improve the sound quality.Use Cursor Up or Down to highlight thefuncti

PV151 1-10 PROJOZP94/95 CUSTOMER CONVERGENCE ADJUSTMENTCONVERGENCE ADJUSTMENT (DIGITAL SETUP)To enter this adjustnment mode, press the front panelDIGI

PV152 2-1 PROJOSERVICE MENUESITEM SETTING RANGE DESCRIPTIONP01 ZP94/95 *Non-Adjustable DataADJUST MODE Version 704SUB BRT 3C-C3 Sub BrightnessSERVICE

PV152 2-2 PROJOSERVICE MENUES CONT.ITEM SETTING RANGE DESCRIPTIONP04 ZP94/95 *Non-Adjustable DataFLEX CONT NTSC39 HHPF1 00 00-01 Characteristic Switch

PV152 2-3 PROJOITEM SETTING RANGE DESCRIPTIONP06 ZP94/95 *Non-Adjustable DataFLEX CONT ATSC (480i, 480p, 1080i, 720p)97 YV-NLP 00 00-3F Y Vertical Non

PV152 2-4 PROJOSERVICE MENUES CONT.ITEM SETTING RANGE DESCRIPTIONP10 ZP94/95 *Non-Adjustable DataFLEX CONT NTSC/ATSC (480i, 480p, 1080i, 720p)23 V-POS

PV152 PRO1200 - SAFETYPRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTSiIMPORTANT SAFETY NOTICEThis manual was prepared for use only by pro

PV152 2-5 PROJOSERVICE MENUES CONT.ITEM SETTING RANGE DESCRIPTIONP14 ZP94/95 *Non-Adjustable DataTA1298 NTSCCOLOR 40 00-7F Color (Center Adjustment)TI

PV152 2-6 PROJOSERVICE ADJUSTMENTS ORDERSERVICE MENUES CONT.ITEM SETTING RANGE DESCRIPTIONP17 ZP94/95 *Non-Adjustable DataTA1298BSP 03 00-07 Black Str

PV152 2-7 PROJOMEMORY INITIALIZATION PROCEDUREWARNING: This should only be done in extreme cases. I2CData will be reset as well. Be sure and write dow

PV152 2-8 PROJOLens Change of color aberrationR Lens Red CrimsonG Lens Blue RedB Lens Purple Green5. In case of G lens, set to the p

PV152 2-9 PROJO4. For red, setting to the center between red and crimsonis optimum.5. For blue, setting to the center between purple andgreen is optim

PV152 2-10 PROJO3. Set video conditions to factory reset.4. The lens focus adjustment should have been com-pleted, screen format should be progressive

PV152 2-11 PROJO4. Press MENU button to exit VIDEO CHROMA ADJUSTmode.5. Select single PINP mode and move the sub picture,using the MOVE button. Dista

PV152 2-12 PROJO3. Set video conditions to Brightness to 90 %andContrast to MAX.4. Input the dot signal.Adjustment procedure1. Green CRT beam shape ad

PV152 2-13 PROJOOBSERVING POINTSOBSERVING POINTS OF THECORNER OF THE PICTUREBLUE DEFOCUS ADJUSTMENTAdjustment preparation1. Optical and electrical foc

PV152 2-14 PROJOSUB BRIGHTNESS ADJUSTMENTAdjustment preparation1. Start adjustment 20 minutes or more after the poweris turned ON. Receive the color

PV151 PROJOPRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTSCHASSIS HIGH VOLTAGE ADJUSTMENT PROCEDURE1. Connect High Voltage meter to FBT H

PV152 2-15 PROJODIGITAL CONVERGENCE REMOTEBLUE (13X9 ADJUSTMENT)MBR3475Z924-10092AUXILLIARYCURSOR RIGHTCURSOR UPCURSOR LEFTCURSOR DOWNGREEN (3X3 ADJUS

PV152 2-16 PROJOCONVERGENCE ADJUSTMENT PROCEDURECONVERGENCE POINT ADJUSTMENTAdjustment preparation1. Select color to adjust.“DISPLAY”-Green“O”-Red“SOU

PV152 2-17 PROJOCONVERGENCE 3X3Green 3x3 Mode Alignment1. Start with power off, press the service button SKO1 andhold, then press the front panel POWE

PV152 2-18 PROJO3. Repeat the same 3X3 steps 3 to 5, for the Green 13X9Mode Adjustment.Red 13X9 Mode Alignment1. Press the 0 key to select the RED + G

PV152 2-19 PROJOTROUBLESHOOTINGNo RasterIs Power LED on Control Panel on?Is Red LED Blinking on SMPS?Find which LED fails to light or dims first on SM

PV152 2-20 PROJOTROUBLESHOOTINGInspect Red LED (DP37) on Deflection, Blinking?Check EP98,DP11,Q777,QH01,TH01,DH11, ondeflection module.Turn off power

PV152 2-21 PROJOPOWER / DEFLECTION P.W.B. DIAGRAMDigitalConvergence UnitI601DP29+B 120V Green LEDQH01PCBPDFRH44High Voltage ADJ.RH44TP91PMBPMRPMGYOKE

PV152 2-22 PROJOSMALL SIGNAL P.W.B. DIAGRAMQS4U2043D/YCREARVIEWU205FLEXConv.andPinPUnitU201MainTunerU202PinPTunerPP1I001PFSSURROUND PWB2HVIDEOPWBTERMI

PV152 2-23 PROJOCRT AND CONTROL P.W.B. DIAGRAMDAGP851R879P852CathodeGREENE831P801R829P802CathodeREDBLUEE8A1P8A1PTSBP8A2CATHODEPVBGNDSHORT TOKILL THECO

PV152 2-24 PROJOCHASSIS POWER SUPPLY P.W.B.D903IC POWERMONITOR REDT901SWITCHINGTRANSFORMERREARVIEWPQD2PQS1PQU1PQS2 PQU2D949STBY +11VGREEND931SW +5VGRE

PV151 PROJOPRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCTSCHASSIS SWEEP LOSS DETECTION CIRCUIT CHECKCheck Preparation:Check Number (1):1.

PV152 2-25 PROJOCONTROL P.W.B.MENUPFJPFVSM09SOURCEVOL -VOL +CH -CH +POWER

PV152 3-1 PROJOCIRCUIT DESCRIPTIONPOWER SUPPLY OPERATION EXPLANATIONPOWER ON AND OFFThe power supply in the ZP94 & 95 chassis works very simi-lar

PV152 3-2 PROJOCIRCUIT DESCRIPTIONsupply is still operating at 1/2 voltage output, the GreenLEDs used for visual trouble sensing will reduce in inten-

PV152 3-3 PROJOCIRCUIT DESCRIPTIONHIGH VOLTAGE DRIVE CIRCUIT:When QN04 is turned on, the 11V standby will also be ap-plied to the High Voltage Drive I

PV152 3-4 PROJOCIRCUIT DESCRIPTIONconnected to the negative SW-8V line and RP25 (3.3Kohm) is connected to the positive SW+8V line. The Cath-ode of DP2

PV152 3-5 PROJOCIRCUIT DESCRIPTIONSPOT PROTECT or SPOT KILLER:As mentioned earlier, when the deflection power supplygoes into shutdown for whatever re

PV152 3-6 PROJOCIRCUIT DESCRIPTIONDAC1 I003 and DAC2 I004:These Digital to Analog converter acts as an extensions ofthe Microprocessor( Sometimes call

MODEL PARTS LISTThe following information is for models in andout of warranty. The ZP 94/95 models are modulelevel repair.To Order Parts:call 1-888-3-

PV152 4-2 PROJOMODEL PARTSIQC50M94WZPN LOC DESC809-10543 POWER / DEFLECTION PWB809-10542 SIGNAL PWB ASSY809-10548 VIDEO CHROMA PWB809-10533 CRT / PRT

PV152 4-3 PROJOMODEL PARTSIQC50H95WZPN LOC DESC809-10543 POWER / DEFLECTION PWB809-10582 SIGNAL PWB ASSY809-10548 VIDEO CHROMA PWB809-10533 CRT / PRT

PV152 TOC PROJOTABLE OF CONTENTSSECTION 1 GENERAL INFO / REMOTE CONTROLCAUTIONS FOR HV CONNECTOR ... 1-1SPECIFICATIONS .

PV152 5-1 PROJO

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIRCOMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.ALL SYMBOLS WITH

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIRCOMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.ALL SYMBOLS WITH

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIRCOMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.ALL SYMBOLS WITH

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIRCOMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.ALL SYMBOLS WITH

7-1ABCDEFG12345678910ZP94/95 SHEET 1CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.SECTION 6ZP9

7-2ABCDEFG12345678910ZP94/95 SHEET 2CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Smal

7-3ABCDEFG12345678910ZP94/95 SHEET 3CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Defl

7-4ABCDEFG12345678910ZP94/95 SHEET 4CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Stan

PV151 1-1 PROJOCAUTIONS WHEN CONNECTING / DISCONNECTING THE HV CONNECTORPerform the following when the HV connector (anodeconnector) is removed or ins

7-5ABCDEFG12345678910ZP94/95 SHEET 5CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.PIN RUN PIN

7-6ABCDEFG12345678910ZP94/95 SHEET 6CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Conv

7-7ABCDEFG12345678910ZP94/95 SHEET 7CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Jack

7-8ABCDEFG12345678910ZP94/95 SHEET 8CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 3 Li

7-9ABCDEFG12345678910ZP94/95 SHEET 9CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 YC C

7-10ABCDEFG12345678910ZP94/95 SHEET 10CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.PIN RUNB3.

7-11ABCDEFG12345678910ZP94/95 SHEET 11CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 CR

7-12ABCDEFG12345678910ZP94/95 SHEET 12CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Co

7-13ABCDEFG12345678910ZP94/95 SHEET 13CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL .REPLACE ONLY WITH PART NUMBERS SPECIFIED.ZP94/95 Au

PV151 1-2 PROJOTECHNICAL CAUTIONSHigh Voltage limiter circuit check1. Turn off TV and connect jig as shown in Figure 2.Adjust jig fully counter clockw

PV151 1-3 PROJOSPECIFICATIONS FOR 94 & 95 SERIES MODELSCIRCUIT PROTECTIONCAUTION: Below is an EXAMPLE only. See Replacement Parts List for details

PV151 1-4 PROJOGENERAL INFORMATIONFigure 3. Control PanelFigure 4. Rear Connection PanelMENUSOURCE-VOLUME+-CHANNEL+POWERDIGITALSETUPSOURCETV / VIDEO S