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SERVICE MANUAL

Product Type:

Rear Projection LCD

Chassis:

094A

Manual Series: PV154
Manual Part #: 923-03486
Model Line:

E

Product Year:

2002

General Info ................................................. 1
Service Menu ................................................ 2
Servicing ..................................................... 3
Parts List ..................................................... 4
Diagrams ...................................................... 5
Schematics ................................................... 6

Published June 2002

by Technical Publications

Zenith Electronics Corporation

201 James Record Road

Huntsville, Alabama 35824-1513

Copyright



2002 by Zenith Electronics Corporation

Model Series:

CONTENTS

D60WLCD

Printed in U.S.A.

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2
3
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Содержание D60WLCD Series

Страница 1: ...duct Year 2002 General Info 1 Service Menu 2 Servicing 3 Parts List 4 Diagrams 5 Schematics 6 Published June 2002 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsvi...

Страница 2: ...solder joints solder splashes or sharp solder points Be certain to remove all loose foreign particles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads...

Страница 3: ...it and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise seemingly harmless motion such as the brushing together of your clothin...

Страница 4: ...MODE 3 1 INPUT SIGNAL ADJUSTMENT 3 2 SUB COLOR ADJUSTMENT 3 2 SCREEN POSITION ADJUSTMENT 3 3 REPLACING THE LAMP 3 5 DISASSEMBLY INSTRUCTIONS 3 6 CIRCUIT DESCRIPTIONS 3 7 POWER BLOCK 3 7 SIGNAL BLOCK 3...

Страница 5: ...On Off Timer Flashback Tri lingual Menus English French Spanish Bit Mapped 2D TAG Menus OUTPUT NTSC VGA SVGA XGA SXGA 720p HDTV 1280 x 720p REMOTE Illuminated w Thumbstick Control REQUIRED APPROVALS...

Страница 6: ...ay appears when PIP is active Volume Volume level is displayed while adjusting the sound Mute Appears when sound is muted Time Appears when pressing the enter button on remote control FRONT PANEL CONT...

Страница 7: ...ed Power Cord is connected unit is on standby Green On Orange Flashing Preparing operation in standby Orange Projection lamp is nearing the end of its life and needs to be replaced with a new lamp Red...

Страница 8: ...to adjust the system settings and preferences by moving to an option with the arrows and selecting the highlighted option with If is pressed while you are in normal viewing the information banner is...

Страница 9: ...screen dis plays selects high lighted options RECORD PAUSE REW FFWD PLAY STOP Control the functions on your VCR VOLUME UP DOWN Increases decreases the sound level MENU Brings up the main menu to the...

Страница 10: ...022 025 054 GI 052 074 GOLDEN CHANNEL 030 HAMLIN 049 050 055 HITACHI 052 055 HOSPITALITY 070 077 JERROLD 002 003 004 Brand Codes 008 009 010 052 069 074 LG 255 M NET 037 MACOM 033 MAGNAVOX 010 012 06...

Страница 11: ...049 077 116 MINERVA 088 MITSUBISHI 004 006 024 028 040 042 109 116 124 146 MTC 004 006 062 101 NAD 015 025 NEC 006 007 016 Brand Codes 019 024 040 056 130 132 134 NIKEI 043 ONKING 043 ONWA 043 OPTONI...

Страница 12: ...59 MINOLTA 013 020 MITSUBISHI 013 020 045 046 049 051 059 061 151 MTC 034 040 MULTITECH 024 034 NEC 012 023 039 043 048 NORDMENDE 043 OPTONICA 053 054 PANASONIC 066 070 074 083 133 140 145 PENTAX 013...

Страница 13: ...125 NORSAT 069 070 PACE SKY SATELLITE 143 PANASONIC 060 142 PANSAT 121 Brand Codes PERSONAL CABLE 117 PHILIPS 071 PICO 105 PRESIDENT 019 102 PRIMESTAR 030 110 111 PROSAT 072 RCA 066 106 REALISTIC 043...

Страница 14: ...dis played on the right side or at the bottom of the screen 4 Press the EXIT button on the remote control to re turn to TV viewing SOURCE SELECTION Changes the picture source for the main screen so yo...

Страница 15: ...r press the PIP button again to activate POP mode POP Press the PIP button on the remote control while in PIP mode to activate POP Picture out of Picture mode Press the EXIT button to exit POP mode or...

Страница 16: ...screen You can create your own Surf list with up to 16 channels It appears at the bottom left corner of the screen Press the Surf button on the remote control when a channel is highlighted to add or...

Страница 17: ...ons You can manually adjust the levels of picture quality settings such as Contrast Brightness Sharpness etc You can also select the preset value in the EZ Video menu based on the program category Pre...

Страница 18: ...s the sound levels to their original settings Stadium Stresses high frequency sounds and front surround sound to create the sensation you would experience in a stadium News Increase high frequency sou...

Страница 19: ...EXIT to save and return to TV viewing or press the EN TER button to save and return to the previous menu ON SCREEN MENUS LANGUAGE Lets you select your preferred language for the menus English Spanish...

Страница 20: ...ake your auto clock selection Use the number buttons to set the PBS channel Time Zone Lets you select the time zone of your viewing area Daylight Savings Lets you set Daylight Savings On or Off depend...

Страница 21: ...control then use the UP DOWN arrow button to select the Time menu Press ENTER or the RIGHT arrow button to activate the Time menu Use the UP DOWN arrows to choose Off Time then press the RIGHT arrow t...

Страница 22: ...mature audiences in the TV Rating General menu your children may view those programs TV PG General Blocks certain TV programs that you and your family do not want to view based on the ratings Block Ch...

Страница 23: ...or Sub Color 0 31 Adjustment ET2090 2090 R_HOR_POS Horizontal Position 0 511 Adjustment 2090 G_HOR_POS Horizontal Position 0 511 Adjustment 2090 B_HOR_POS Horizontal Position 0 511 Adjustment M62352 V...

Страница 24: ...djustment G_X8_S_MODE 9 Tone Gray Adjustment 0 1023 Adjustment G_X9_S_MODE 10 Tone Gray Adjustment 0 1023 Adjustment G_X10_S_MODE 11 Tone Gray Adjustment 0 1023 Adjustment G_X11_S_MODE 12 Tone Gray Ad...

Страница 25: ...l 2 Select menu to adjust by using CH CH then select the item to be adjusted by pressing the Enter key 3 After entering the SUB menu select the SUB menu item to be adjusted using CH CH key and adjust...

Страница 26: ...Input Capacitance 30pF and below Max Input Voltage 50V 2 A remote control for adjustment PREPARATION FOR ADJUSTMENT Connect a power source to the TV Set and turn the unit on Receive the main sub sign...

Страница 27: ...EQUIRED TEST EQUIPMENT A remote control for adjustment PREPARATION FOR ADJUSTMENT 1 Connect a power source to the TV Set and turn on 2 Do a heat run for 5 min before adjustment 3 Receive the main sub...

Страница 28: ...the horizontal centerline of the screen A side to side keystone appears if the engine is rotated either left or right so that the image deviates from the vertical centerline MECHANISM FOR ADJUSTMENT T...

Страница 29: ...out the handle slowly and remove the lamp case 6 Insert the new lamp gently into the correct posi tion Make sure it is inserted correctly 7 Tighten the screw you removed in step 3 8 Replace the lamp c...

Страница 30: ...e the lower back part 420 4 Remove the screws from the outer edges of part 410 5 Remove the 9 screws from the lower portion of part 300 6 Remove the front screen ass y carefully Note un plug the speak...

Страница 31: ...FET and varies the on time The Over Current Protection OCP circuit detects the peak value of MOSFET drain current on every pulse This is done by connecting R821 with the MOSFET source terminal Pin 2 a...

Страница 32: ...citor Ct to determine oscillation frequency When the IC begins operating Ct is charged internally by constant current I1 This causes both SW1 and SW2 to become open When the electric potential of the...

Страница 33: ...CUIT AGAINST OVER CURRENT OCP The main switch on the drain current is monitored If drain current over standard value is detected the main switch is switched to off immediately This drain current detec...

Страница 34: ...V5 Lv6 RTV RV1 RV2 RV3 RV4 RV5 RV6 Y1 Y2 Y3 Y4 C1 C2 C3 C4 62 2 9 16 23 29 59 64 4 11 18 25 31 61 03 10 17 24 63 01 08 15 22 30 60 TV V1 V2 V3 V4 V5 V6 05 12 19 26 COUTS VGND BIAS Vcc AGND LOUT1 ROUT1...

Страница 35: ...High performance sync separator circuit Adjustment free horizontal and vertical oscillator circuit using count down method 50 60Hz automatic identifier circuit 4 Switch block High speed switcher circ...

Страница 36: ...are selected with the highest priority EH 1 EV 1 2 When CS exists at the H pin and there is no input at the V pin CS is selected EH 1 EV 0 3 When Y or GREEN exists at the number 3 pin and there is no...

Страница 37: ...to EXTCLK XTAL Pin 20 via a capacitor by setting CLK_SEL I2C bus A dummy sync can be output by setting SELDUM I2C bus Select the dummy sync frequency with HFREQ and VFREQ I2C bus However note that wh...

Страница 38: ...6dB AMP YGAIN CBGAIN CRGAIN MAT_OUT Y GAIN_SEL Cb Cr H NUMBER V NUMBER SYNC COUNTER CLK_SEL SELDUM CLOCK GEN DUMMY SYNC H_WIDTH MACRO H SYNC WIDTH MACRO VISION H_PH V_PH EXISTENCE DISTINCTION DECL1_1...

Страница 39: ...ion SOUND IF PROCESSING 1 Analog Sound IF Input The input pins ANA_IN1 ANA_IN2 and ANA_IN offer the possibility to connect two different sound IF SIF sources to the MSP 3440G The analog to digital con...

Страница 40: ...bit per second operation Full compliance with IEEE standard 802 3 MII and 7 wire 10 Mbps interface Station management signaling On chip CAM up to 21 destination addresses Full duplex mode with PAUSE f...

Страница 41: ...Console Interrupt Controller 18 I O Ports I2C Bus Controller Bus Router SCL SDA General I O including 4 Ext INT req 2 Timer out 2 Ext DMA REQ 2 Ext DMA ACK 4 word Write Buffer CPU Interface 8 Kbyte Un...

Страница 42: ...cy EMI Support for 4 4 4 and 4 2 2 ITU BT 601 style output modes to reduce board traces and video ASICs Dedicated DATACLK output for easy latching of output data 4 System Industry standard normal fast...

Страница 43: ...rizontal blanking interval either on the backporch of sync or during the sync tip in the case of a sync present on at least one of the video channels If HS is carried on a separate line as is typicall...

Страница 44: ...reference levels that are also independently controllable for each ADC channel The fine range with its 32 settings covers a range of 16 LSB s The fine and coarse PGA settings can be combined into a s...

Страница 45: ...STB output 1080I 720P 480P 480I Field detection Frame rate detection Clock selection 59 94 60Hz detection VGA frame rate detection 60 70 75 Hz etc Time base correction with frames for non standard si...

Страница 46: ...play PLL NTSC decoder Grap Proc Grap Proc CSC LUT CSC LUT Host I F Host I F CSC CSC M UX Sync Generator Sync Generator 4 MB or 8MB SDRAM RGB or YIQ or YUV or YCbCr 24 Input B Input A YPbPr RGB 1080I 7...

Страница 47: ...end tolerance to a VGA clock jitter FEATURES Scaleable Bandwidth 25 112 MHz VGA to SXGA Low Power 3 3V core operation power down mode High Skew Tolerance 1 full input clock cycle 9ns at 108 MHz Flexib...

Страница 48: ...Power 3 3V core operation Time staggered data output for reduced ground bounce Sync Detect for Plug Display Hot Plugging Cable Distance Support over 5m with twisted pair fiberoptics ready Compliant w...

Страница 49: ...0 D2IN 9 0 OSD 2 1 IN 1 0 OSDSW SCS SCLK SDATA AS 1 0 VSYNC MSK 2 1 FR 2 1 CLK CLKPOL RESET TEST 2 1 D1OUT 9 0 D2OUT 9 0 Swap A Contrast Bright Correction Video Mask Polarity Inversion Contrast Bright...

Страница 50: ...ion data is interpolated by the operating circuit in this IC 6 Correction data setting has 3 brightness levels MAX MID MIN a If video signal input is 8 bit setting range of MAX and MID and MIN are 8 b...

Страница 51: ...rive sampling and holding ICs ET6050S0B ET6060D0A 6 Set by 3 line serial interface 7 CMOS Si Gate process 8 Package 64 pin QFP BLOCK DIAGRAM Horizontal Count HSYNC VSYNC SCS SCLK SDATA RESET Compressi...

Страница 52: ...al video signal inputs 3 Digital serial to parallel conversion 6 ch output 4 10 bit digital to analog conversion DB 0 9 CLK STSQ CS XFR INBRT E O R L A0 A2 VREFH VREFL STBY BYP VMID Bias Scale Control...

Страница 53: ...X3 VDD2 CIRCUITS VDD1 CIRCUITS CLX2 ENBX1 ENDX2 DIRX ENBX4 NRG DIRX CLX2 NRS DGND VDD1 NRSB NRSA VCC CIRCUITS VCC CIRCUITS VCC GND VDD2 DGND Inverted level shift Level shift Inverted level shift Level...

Страница 54: ...ilter seperates Y C from Composite Tuner Video signal input in the main picture This IC outputs 2Vp p including Sync Y signal and 560mVpp color bar C signal in 2Vp p including Sync Composite input LIN...

Страница 55: ...k Stand by voltage 12V at Pin 3 of P841 Check Stand by voltage 12V at Pin 3 of P841 Check the Vcc on Pin 27of IC1001 5V LED RED Lamp Ballast Lamp Check Check the SMPS Board Check the Limit S W on the...

Страница 56: ...ck Pin 8 10 22 26 of P708 D A output of Digital Board Check Pin 30 32 of P301B Input of Chroma Board Check P601 cable and Drive Board Check Digital Board No No Yes Check Main Board Check the periphera...

Страница 57: ...er Block Refer A No No Check X101 12MHz PCF8584 X100 33MHz CPU Check Reset Circuit Refer B Yes Check the operation of X Tal Yes Check the operation of Reset when Power ON No Check each Chip Select Ref...

Страница 58: ...ck the voltage of Pin 23 of IC102 IC119 5V No Check IC103 IC104 Yes Check the voltage of Pin 1 of IC103 Ic104 5V No Check IC112 Yes Check the voltage of Pin 20 of IC112 5V No Check IC101 Yes Check the...

Страница 59: ...elect signal at Pin 17 of IC112 normal No Check IC100 IC500 Yes Is the Chip Select signal at Pin 18 of IC500 normal C No Is the Signal SCL_TUN SDA_TUN at Pin 200 201 of IC100 normal Check IC100 No No...

Страница 60: ...speaker of the Audio Menu is ON or not Set it ON Check the volume level Check P601 P602 On Off Check Pin 2 5 of IC604 Input of R L signal Connect the P601 P602 cable No Yes Check IC604 and peripheral...

Страница 61: ...094A SERVICING Check whether pin21 80 is 5V or not Check SIF of TU101 No Yes Check IC602 and peripherals Check X600 18 432MHz Yes NO Change X600 Check Of IC601 Pin 67 Yes NO Check TR605 and peripheral...

Страница 62: ...Pin 3 of P841 Check the voltage of Pin 5 of IC831 STRG6153T Check the voltage at Pin 2 of P841 Check Q842 Check D834 C836 D833 C834 C884 R832 R835 Check the output voltage of T801 Check the voltage of...

Страница 63: ...3550V00159A Cover Speaker Box Left 15 3211V00047B Frame Assembly Ru 60Sz10 Base Upper 16 4980V00284B Supporter Assy Dc Fan Ru 60Sz10 17 3141VSN180C Chassis Assembly Brack Optics Engine 18 6871VSMB13A...

Страница 64: ......

Страница 65: ......

Страница 66: ......

Страница 67: ...D60WLCD 923 03486 5 1 094A EXPLODED VIEWS SECTION 5 D60WLCD Exploded View 33 34 35 32 12 6 10 7 9 8 15 11 3 1 2 4 5 14 16 19 18 17 20 21 25 30 29 31 24 22 23 28 26 13 27 36...

Страница 68: ...B 10bit 3 Panel R Panel G Panel B Y C V Y C V A V Switch CXA2069Q SUB OUT1 IN1 OUT2 Y C V Y SUB MAIN CMAIN 3H DCF 3D DCF IIC1 Y CMAIN Y SW 1 MC14053 Sync_D LA7210 Sync_D LA7210 Y Y Y NT C Decoder TA12...

Страница 69: ...D60WLCD 923 03486 5 3 094A EXPLODED VIEWS D60WLCD Main PCB Layout...

Страница 70: ...D60WLCD 923 03486 5 4 094A EXPLODED VIEWS D60WLCD Power PCB Layout Power Ballast Interface...

Страница 71: ...D60WLCD 923 03486 5 5 094A EXPLODED VIEWS D60WLCD Digital PCB Layout...

Страница 72: ...D60WLCD 923 03486 5 6 094A EXPLODED VIEWS D60WLCD Drive PCB Layout...

Страница 73: ...D60WLCD 923 03486 5 7 094A EXPLODED VIEWS D60WLCD Chroma PCB Layout...

Страница 74: ...D60WLCD 923 03486 5 8 094A EXPLODED VIEWS D60WLCD Tuner PCB Layout...

Страница 75: ...D60WLCD 923 03486 5 9 094A EXPLODED VIEWS D60WLCD Other PCB Layout Control Panel Pre Amp Interface Side A V Jacks...

Страница 76: ......

Страница 77: ...94a SHEET 1 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS D60WLCD 9...

Страница 78: ...094a SHEET 2 NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS 7 2 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED D60...

Страница 79: ...8 9 10 094a SHEET 3 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS...

Страница 80: ...94a SHEET 4 NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS 7 4 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED D60WL...

Страница 81: ...8 9 10 094a SHEET 5 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS D...

Страница 82: ...10 094a SHEET 6 NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS 7 6 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED...

Страница 83: ...94a SHEET 7 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS D60WLCD 9...

Страница 84: ...094a SHEET 8 NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS 7 8 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED D60W...

Страница 85: ...10 094a SHEET 9 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS D60W...

Страница 86: ...SHEET 10 NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS 7 10 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED D60WLCD...

Страница 87: ...0 094a SHEET 11 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS D60WL...

Страница 88: ...94a SHEET 12 NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS 7 12 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED D60...

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