Zenith D60WLCD Series Service Manual
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Zenith D60WLCD Series Service Manual

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SERVICE MANUAL
Product Type:
Chassis:
Manual Series: PV154
Manual Part #: 923-03486
Model Line:
Product Year:
Printed in U.S.A.
Rear Projection LCD
094A
E
2002
CONTENTS
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:
D60WLCD

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  • Page 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 Printed in U.S.A.
  • Page 2 When servicing this product, under no circumstances should the original design be modified or altered without permission from Zenith Electronics Avoid conditions of high humidity such as: outdoor patio installations Corporation. All components should be replaced only with types identical to...
  • Page 3 ES devices. (Otherwise, seemingly harmless motion, such as the brushing together of your clothing or the lifting of your foot from a carpeted floor, can generate static electricity sufficient to damage an ES device.) D60WLCD - 923-03486 094A - SAFETY...

  • Page 4: Table Of Contents

    D60WLCD EXPLODED VIEW ......... 5-1 REMOTE CONTROL ..........1-4 D60WLCD BLOCK DIAGRAM ........ 5-2 REMOTE BUTTON DESCRIPTIONS ..... 1-4 D60WLCD MAIN PCB LAYOUT ......5-3 REMOTE BUTTON DESCRIPTIONS ..... 1-5 D60WLCD POWER PCB LAYOUT ......5-4 PROGRAMMING THE REMOTE ......1-6 D60WLCD DIGITAL PCB LAYOUT ......

  • Page 5: Section 1

    SECTION 1 OVERVIEW OUTPUT FEATURES NTSC, VGA, SVGA, XGA, SXGA - 720p OVERVIEW HDTV - 1280 x 720p 60" LCD HDTV Monitor D60WLCD REMOTE 1280 x 720p Resolution Illuminated w/Thumbstick Control (3) 1.2" LCD Panels REQUIRED APPROVALS 3D Y/C Comb Filter...

  • Page 6: Front Panel Controls

    This display appears when PIP is active. Ch.6 AM 03:00 Time: Volume: Mute: Appears when Volume level is displayed while Appears pressing the adjusting the sound. when sound enter button on is muted. remote control. D60WLCD - 923-03486 094A - OVERVIEW...

  • Page 7: Function Status Indicators

    Green (Flashing) The lamp cover is not closed. Orange The projector is overheating. Temperature Indicator The projector shutdown due to overheating. Red (Flashing) The projector shutdown, check the cooling fan. D60WLCD - 923-03486 094A - OVERVIEW...

  • Page 8: Remote Control

    HEL P Brings up the on-screen EZ Help menu while you are in EXIT normal viewing. Clears all on-screen dis- plays and returns to TV viewing from any menu. D60WLCD - 923-03486 094A - REMOTE...
  • Page 9 SK IP Works as a song selector RECORD, PA USE, REW, in audio mode and a movie FFWD, PL AY, STOP chapter selector in Control the functions on your VCR. aux/DVD mode. D60WLCD - 923-03486 094A - REMOTE...

  • Page 10: Programming The Remote

    049 050 055 011 048 071 UNIKA 007 014 024 HITACHI 052 055 072 073 074 UNITED CABLE 004 053 HOSPITALITY 070 077 PULSAR UNIVERSAL 005 007 014 JERROLD 002 003 004 024 026 027 D60WLCD - 923-03486 094A - REMOTE...
  • Page 11 SEARS 004 007 015 095 103 157 073 074 091 004 006 062 028 030 057 ZONDA 116 130 144 082 094 101 155 160 161 015 025 116 143 160 006 007 016 D60WLCD - 923-03486 094A - REMOTE...
  • Page 12 PORTLAND 034 101 033 040 066 PULSAR THOMAS QUARTZ 011 014 JENSEN QUASAR 033 066 075 TOSHIBA 008 013 042 012 031 033 047 059 082 043 048 050 013 020 033 112 131 D60WLCD - 923-03486 094A - REMOTE...
  • Page 13 MARANTZ PROCEED YAMAHA 009 018 GOLDSTAR 010 016 025 MITSUBISHI PROSCAN 005 006 ZENITH 010 016 025 HARMAN KARDON 005 006 ONKYO 008 017 SAMSUNG 011 015 001 010 016 PANASONIC 003 009 SONY D60WLCD - 923-03486 094A - REMOTE...

  • Page 14: User Menus

    TV, cable TV, VCR, DVD, or any other devices that you have hooked up to your TV. You can also change the picture source with the Source buttons on the remote control. Press the MENU button 1-10 D60WLCD - 923-03486 094A - MENUS...

  • Page 15: Ez Scan

    Press the MENU button on the remote control, then use the UP/DOWN arrow button to select the Setup menu. Press ENTER or the RIGHT arrow button to access the Setup menu. Use the UP/DOWN arrows to select EZ Scan. 1-11 D60WLCD - 923-03486 094A - MENUS...

  • Page 16: Channel Add/Del/Surf

    Press ENTER or the RIGHT arrow button to access the top-left corner of the screen. SETUP menu. Use the UP/DOWN arrows to select the CH Label option. Press ENTER or the RIGHT arrow to access the CH Label menu. 1-12 D60WLCD - 923-03486 094A - MENUS...

  • Page 17: Ez Link

    Labeled. Press EXIT to save and return to TV viewing. EZ LINK Lets you link the Zenith’s READY TV (Model: D60WLCD) and Zenith’s high definition set set-top box for DIRECTV Press the MENU button on the remote control, then use via an RS-232C cable.

  • Page 18: Audio Menu

    Balance: Lets you adjust the left to right balance of the TV speakers. EZ Sound: Lets you choose the sound settings manually. Custom: Lets you adjust the Audio menu sound options manually. Normal: Restores the sound levels to their original settings. 1-14 D60WLCD - 923-03486 094A - MENUS...

  • Page 19: On-Screen Menus Language

    Caption 3, Caption 4, Text 1, Text 2, Text 3 and Text 4. Press EXIT to save and return to TV viewing or press the ENTER button to save and return to the previous menu. 1-15 D60WLCD - 923-03486 094A - MENUS...

  • Page 20: Ez Demo

    MENU button on the remote 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 arrow button to choose Auto clock, 1-16 D60WLCD - 923-03486 094A - MENUS...

  • Page 21: Tv Turn On Time

    Time menu. Use the UP/DOWN arrows to choose Off Time then press the RIGHT arrow to activate Off Time. Use the UP/DOWN arrows to choose On or Off. Use the number buttons to set the Off Time options. Press EXIT to save 1-17 D60WLCD - 923-03486 094A - MENUS...

  • Page 22: Parental Lock

    Block Channel: Blocks any channels that you do not want to view or that you do not want your chil- dren to watch. Aux. Block: Enables you to select a source for block- ing among the source devices you have hooked 1-18 D60WLCD - 923-03486 094A - MENUS...

  • Page 23: Section 2

    12 Tone Gray Adjustment 0-1023 Adjustment R_X12_S_MODE 13 Tone Gray Adjustment 0-1023 Adjustment R_X13_S_MODE 14 Tone Gray Adjustment 0-1023 Adjustment R_X14_S_MODE 15 Tone Gray Adjustment 0-1023 Adjustment R_X15_S_MODE 16 Tone Gray Adjustment 0-1023 Adjustment D60WLCD - 923-03486 094A - SERVICE MENUS...

  • Page 24: Service Menus

    Adjustment B_X1_S_MODE 2 Tone Gray Adjustment 0-1023 Adjustment B_X2_S_MODE 3 Tone Gray Adjustment 0-1023 Adjustment * Resetting the lamp time: After pressing the "?" key, press the “9876“ and press the "OK" button. D60WLCD - 923-03486 094A - SERVICE MENUS...

  • Page 25: Section 3

    (4)SUB menu composition of each adjustment mode (5) Press the ENTER key to exit adjustment mode. 1) TA120AF: MAIN/PIP SUB CONROST AND COLOR ADJUSTMENT—-Board Adjustment 1.1270(M) S_CONT 18 2.1270(S) S_CONT 18 3.1270(M) S_COLOR 18 4.1270(S) S_COLOR 18 D60WLCD - 923-03486 094A - SERVICING...

  • Page 26: Input Signal Adjustment

    “Uo_m” of main PCB. 1.H Position 248 2) After entering the Adjustment mode, Select num- 2.V Position 12 ber 0 and then select 3.1270(M) S_COLOR. 3) Adjust the signal peak value to 1.38 - 1.40v. D60WLCD - 923-03486 094A - SERVICING...

  • Page 27: Screen Position Adjustment

    1) Connect a power source to the TV Set and turn (Fig. 2) Adjustment for Horizontal/Vertical Position on Screen 2) Do a heat run for 5 min before adjustment. 3) Receive the main/sub signal in split screen. D60WLCD - 923-03486 094A - SERVICING...

  • Page 28: Mechanical Adjustments

    For calculation : When Rota engine projection lens 0.2c leans, -tion Keystone occurs 5mm. engine base Side angle Locking Knob The axis of rotation Left/Right angle Adjustment Knob Adjustment Knob pole engine base engine supporter D60WLCD - 923-03486 094A - SERVICING...

  • Page 29: Replacing The Lamp

    Using the customer’s remote control, press and hold the menu button. When the OSD menu disappears, press numbers 9, 8, 7, 6 and press the OK button to enter the ADJ mode. The display will show “Lamp Life Time XX Hrs”. D60WLCD - 923-03486 094A - SERVICING...

  • Page 30: Disassembly Instructions

    10. Remove the metal support bracket from the center of part location 303. 11. Remove the screws along the sides and across the top of part 303. 12. Lift up and back slightly, 303 should be removed easily. D60WLCD - 923-03486 094A - SERVICING...

  • Page 31: Diagrams

    Releasing the latch circuit is done by dropping the Once started, the control circuit receives rectified power Vin terminal voltage below 6.5V. The latch circuit is from the transformer output (Vovp = 22.5 typ). D60WLCD - 923-03486 094A - SERVICING...
  • Page 32 8.7V (typ), Protect circuit against overheat latch operation can be released. When the latch Soft start function operation is released, this IC begins start operation from Soft Start. 2) PROTECT CIRCUIT AGAINST OVER-VOLTAGE (OVP) D60WLCD - 923-03486 094A - SERVICING...
  • Page 33 0.54 detecting over-current in a series of four steps and by Vss(3) 0.51 0.68 controlling current in the main switch. The time and Vss(4) 0.63 0.75 voltage level of each step is set internally. D60WLCD - 923-03486 094A - SERVICING...

  • Page 34: Signal Block

    • PAL demodulation baseband signal processing adjustment free. The TA1270AF incorporates an I2C bus, • PAL/NTSC automatic identification enabling control to be set via the bus line. • Sub color adjustment(3dB) 3-10 D60WLCD - 923-03486 094A - SERVICING...
  • Page 35 • YUV or RGB input • Adjustment-free horizontal and vertical oscillator circuit using count down method • Built-in RGB matrix circuit • 50/60Hz automatic identifier circuit • YUV or RGB output BLOCK DIAGRAM 3-11 D60WLCD - 923-03486 094A - SERVICING...
  • Page 36 H_WIDTH (I2C bus), and Cb = 0.564 (1.758Pb – 0.191Pr) then the H sync signal is output together with the V sync signal to SEL_OUT. Cr = 0.713 (–0.068Pb + 1.385Pr) 3-12 D60WLCD - 923-03486 094A - SERVICING...
  • Page 37 T1: 0.7 s (typ.) T2: 0.4 s (typ.) T1 + T2: 1.0 to 1.4 s (max.) Connect a resistor (such as a metal film resistor) with an error of 1% or less to IREF (Pin18). 3-13 D60WLCD - 923-03486 094A - SERVICING...
  • Page 38 CIRCUIT DESCRIPTIONS BLOCK DIAGRAM 3-14 D60WLCD - 923-03486 094A - SERVICING...
  • Page 39 MTS/MPX signal. Detec- tion and evaluation of the pilot carrier, AM demodula- tion of the (L-R)-carrier and detection of the SAP sub- carrier. Processing of DBX noise reduction or MICRONAS Noise Reduction (MNR). 3-15 D60WLCD - 923-03486 094A - SERVICING...

  • Page 40: Digital Block

    • Full compliance with IEEE standard 802.3 • 1 or 2 stop bits • MII and 7-wire 10-Mbps interface • Station management signaling • On-chip CAM (up to 21 destination addresses) • Full-duplex mode with PAUSE feature 3-16 D60WLCD - 923-03486 094A - SERVICING...
  • Page 41 Tx Buffer (256 Bytes) Rx Buffer (256 Bytes) CAM (128 Bytes) 32-bit Timer 0,1 GDMA 0,1 MII or Tx FIFO (80 Bytes) 7-wire Rx FIFO (16 Bytes) Clock Driver Reset Driver TAP Controller for JTAG 3-17 D60WLCD - 923-03486 094A - SERVICING...
  • Page 42 EXT_CLP Clamp Noise Timing THS8083 Gates DVDD Gen. DVSS LOCK LEGEND PFD_FREEZE Control SIGNAL Interface EXT_ADCCLK (I2C) CONTROL DVDD_PLL TEST SCAN_TEST I2CA DT0CLK3 DVSS_PLL SCL SDA v3.0 POWER/GND AVSS_PLL ADCCLK2 /RESET AVDD_PLL DATACLK1 3-18 D60WLCD - 923-03486 094A - SERVICING...
  • Page 43 If HS is carried on a separate line, as is typically the case for PC graphics, clamping is done during blanking. CLP PULSE influence of change in clamp codes on A/D output, while keeping PGA gain setting constant, in bottom-level clamp mode 3-19 D60WLCD - 923-03486 094A - SERVICING...
  • Page 44 3dB analog input bandwidth of typ. 500 MHz. The A/ D block contains an internal reference voltage generator, providing stable bottom and top references derived from an internal bandgap reference. The reference voltages are made available externally. THS8083 3-20 D60WLCD - 923-03486 094A - SERVICING...
  • Page 45 Progressive 23.98, 24, 29.97, 30, 59.94, 60 Interlaced 29.97, 30 720 X 480 16:9 Progressive 23.98, 24, 29.97, 30, 59.94, 60 Interlaced 29.97, 30 640 X 480 Progressive 23.98, 24, 29.97, 30, 59.94, 60 Interlaced 29.97, 30 3-21 D60WLCD - 923-03486 094A - SERVICING...
  • Page 46 Host I/F Generator Generator VGA) 4 MB or 8MB SDRAM 8 M mode 4 M mode 4MB Memory : 4.419MB 8MB Memory : 8.389MB Graphic Memory : 0.526MB Graphic Memory : 1.503MB (>540x960x1=0.518MB) (>540x1920x1=1.037MB) 3-22 D60WLCD - 923-03486 094A - SERVICING...
  • Page 47 DATA Tx0+ DI0[23:0] HSYNC Encoder VSYNC Tx0- HSYNC VSYNC DATA Tx1+ Encoder Data CTL1 Capture Tx1- CTL1 Logic CTL2 CTL3 DATA Tx2+ CTL2 Encoder CTL3 Tx2- EDGE PIXS TxC+ Jitter IDCK Filter TxC- 3-23 D60WLCD - 923-03486 094A - SERVICING...

  • Page 48: Lcd Driver Block

    Panel RX1+ Channel Inter- HSYNC Data Recovery SYNC1 SYNC1 Decoder CTL1 RX1- Sync face VSYNC DATA DATA Logic SCDT CTL1 VSYNC Data Recovery RX0+ CTL2 SYNC0 SYNC0 HSYNC CTL3 RX0- RXC+ RXC- STAG_OUT 3-24 D60WLCD - 923-03486 094A - SERVICING...
  • Page 49 Contrast Correction D1OUT[9:0] D1IN[9:0] Mask Inversion Bright 10bit 10bit Video Polarity Contrast D2IN[9:0] Correction D2OUT[9:0] Mask Inversion Bright 10bit 10bit 2bit OSD[2:1]IN[1:0] OSDSW Serial SCLK SDATA AS[1:0] VSYNC MSK[2:1] FR[2:1] CLKPOL RESET TEST[2:1] 3-25 D60WLCD - 923-03486 094A - SERVICING...
  • Page 50 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 bit (0-255). 3-26 D60WLCD - 923-03486 094A - SERVICING...
  • Page 51 VSYNC DYOUT DYOUT Generation Compression Position Count ENBY1(R:G:B:) ENBY1, ENBY2 ENBY2(R:G:B:) CLYOUT Generation CLYOUT Generation SHCLK(R:G:B:) S/H Signal XFR(R:G:B:) Serial Generation STSQO(R:G:B:) SCLK STSQE(R:G:B:) SDATA Generation CLP1~2 RESET CLP Generation MSKOUT TEST MSKOUT 3-27 D60WLCD - 923-03486 094A - SERVICING...
  • Page 52 3) Digital serial to parallel conversion (6-ch output) 4) 10 bit digital to analog conversion BLOCK DIAGRAM VID1 DB [0:9] VID2 STSQ/CS Control Logic VID3 DAC Latches INBRT VID4 VID5 A0-A2 VID6 VREFH Scale Control VREFL STBY Bias VMID 3-28 D60WLCD - 923-03486 094A - SERVICING...
  • Page 53 Inverted level shift ENDX2 ENBX3 Inverted level shift ENBX3IN ENBX4 ENBX4IN Inverted level shift Inverted level shift NRGIN DIRX DIRXIN Level shift DIRX Inverted level shift NRSCO NRSA NRSB VDD1 DGND VCC CIRCUITS 3-29 D60WLCD - 923-03486 094A - SERVICING...
  • Page 54 These ICs, as the Video & Chroma Sync Processing ICs, have the function of filtering Y, U, V Processing and Sync in Y/C input. IC504 handles the sub picture and IC507 handles the main picture. 3-30 D60WLCD - 923-03486 094A - SERVICING...
  • Page 55 . Check Stand-by voltage. (12V at Pin 3 of P841) Check the Vcc on Check the SMPS Pin 27of IC1001(5V). Board. Check Z1001 peripher- Check IC1002 & als & I peripherals. 3-31 D60WLCD - 923-03486 094A - SERVICING...

  • Page 56: Troubleshooting

    P204B. (Output of Drive Board. Chroma Board) Tuner Board) Check the peripherals Check Main Board. of IC308, IC306. Check Main Board. Check Pin 1 of IC202 Check IC202 and Check IC201, TU101 peripherals. and peripherals. 3-32 D60WLCD - 923-03486 094A - SERVICING...

  • Page 57: Cpu Block

    Check the operation of Reset Check Reset Circuit: Refer B when Power ON. Check each Chip Select: Is the Chip Select normal? Refer C Check I C Circuit: Refer D Is the I C normal? End. 3-33 D60WLCD - 923-03486 094A - SERVICING...
  • Page 58 IC101 (5V). Check the Reset of Pin 3 Of IC120. (Check the output of Check IC120. Reset IC) Check if there are signals on Check IC115. Pin 5, 6 & 7 of IC601. 3-34 D60WLCD - 923-03486 094A - SERVICING...
  • Page 59 Pin 5~6 Ic101 normal? Check the voltage of Pin 71 Check Pin 16 of IC500. of IC100. (“High) Check the voltage of Pin 191 Check Pin 5 of IC112 of IC100. (“High) 3-35 D60WLCD - 923-03486 094A - SERVICING...

  • Page 60: Sound

    Check Pin 2, 5 of IC604. Connect the P601, (Input of R, L signal) P602 cable. Check IC604 and Check Pin 16, 17 of peripherals. P300B. Check Main Board. Check Pin 22 Of P300B 3-36 D60WLCD - 923-03486 094A - SERVICING...
  • Page 61 Check whether pin21, Check SIF of TU101. 80 is 5V or not. Check IC602 and Check X600. peripherals. (18.432MHz) Change X600. Check Pin 67 Of IC601 Check TR605 and Check IC601 and peripherals. peripherals. 3-37 D60WLCD - 923-03486 094A - SERVICING...

  • Page 62: Power

    Check the output voltage of T801. Check the voltage of Pin 4 Check D851, D861, D881, D871, of IC801(STRF6668B). L851, L861, L881, L871 & Q851. Check D801, C820, R821 & IC841. Check secondary LOAD & IC841. 3-38 D60WLCD - 923-03486 094A - SERVICING...

  • Page 63: Section 4

    SECTION 4 MODEL PARTS MODEL PARTS D60WLCD is module level repair only. Parts contact in- formation is below. Voice: 1-888-3-ZENITH Fax: 1-888-6-ZENITH Mail: Zenith National Parts 201 James Record Road Huntsville, AL 35824-1513 3350V00015A Screen, 60" Lcd Pjtv 3508V00226B Decoration, Front Top Al Anodizing Gray...

  • Page 67: Section 5

    SECTION 5 D60WLCD Exploded View D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 68: D60Wlcd Block Diagram

    D60WLCD Block Diagram MAIN SW(1) Y,U,V,H,V NT C IIC1 (MC14053) Decoder VIDEO/SYNC TUNER (TA1270AF) Selector IIC1 Y,U,V (ARM7) (CXA2151Q) Input1 (THS8083) Sync_D V/L/R (LA7210) PORT address=high Data/Addr Input2 EXPANDER S/V/L/R (JLC562BF) Sync_D OUT1 Input3(Frt) (LA7210) READY-2 IIC1 Y,U,V S/V/L/R IIC1...

  • Page 69: D60Wlcd Main Pcb Layout

    D60WLCD Main PCB Layout D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 70: D60Wlcd Power Pcb Layout

    D60WLCD Power PCB Layout Power Ballast Interface D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 71: D60Wlcd Digital Pcb Layout

    D60WLCD Digital PCB Layout D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 72: D60Wlcd Drive Pcb Layout

    D60WLCD Drive PCB Layout D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 73: D60Wlcd Chroma Pcb Layout

    D60WLCD Chroma PCB Layout D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 74: D60Wlcd Tuner Pcb Layout

    D60WLCD Tuner PCB Layout D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 75: D60Wlcd Other Pcb Layout

    D60WLCD Other PCB Layout Control Panel Pre Amp Side A/V Jacks Interface D60WLCD - 923-03486 094A - EXPLODED VIEWS...

  • Page 77: Power Supply Circuit

    SECTION 6 Power Supply Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 1 D60WLCD - 923-03486 CHANNEL 5, AND NSTC COLOR BARS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

  • Page 78: Main Micro Circuit

    Main Micro Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 2 D60WLCD - 923-03486 REPLACE ONLY WITH PART NUMBERS SPECIFIED. CHANNEL 5, AND NSTC COLOR BARS.

  • Page 79: Main Circuit

    Main Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 3 D60WLCD - 923-03486 CHANNEL 5, AND NSTC COLOR BARS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

  • Page 80: Lcd Controller Circuits

    LCD Controller Circuits CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 4 D60WLCD - 923-03486 REPLACE ONLY WITH PART NUMBERS SPECIFIED. CHANNEL 5, AND NSTC COLOR BARS.

  • Page 81: Chroma Circuit

    Chroma Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 5 D60WLCD - 923-03486 CHANNEL 5, AND NSTC COLOR BARS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

  • Page 82: Tuner Circuit

    Tuner Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 6 D60WLCD - 923-03486 REPLACE ONLY WITH PART NUMBERS SPECIFIED. CHANNEL 5, AND NSTC COLOR BARS.

  • Page 83: Level & Shift Conversion Circuits

    Level & Shift Conversion Circuits CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 7 D60WLCD - 923-03486 CHANNEL 5, AND NSTC COLOR BARS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

  • Page 84: Control Panel Circuit

    Control Panel Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 8 D60WLCD - 923-03486 REPLACE ONLY WITH PART NUMBERS SPECIFIED. CHANNEL 5, AND NSTC COLOR BARS.

  • Page 85: Digital Cpu Circuits

    Digital CPU Circuits CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 9 D60WLCD - 923-03486 CHANNEL 5, AND NSTC COLOR BARS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

  • Page 86: Digital Input/Output Circuits

    Digital Input/Output Circuits CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 7-10 094a SHEET 10 D60WLCD - 923-03486 REPLACE ONLY WITH PART NUMBERS SPECIFIED. CHANNEL 5, AND NSTC COLOR BARS.

  • Page 87: Digital High Def Circuits

    Digital High Def Circuits CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 094a SHEET 11 7-11 D60WLCD - 923-03486 CHANNEL 5, AND NSTC COLOR BARS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

  • Page 88: Digital Adc Circuits

    Digital ADC Circuits CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, 7-12 094a SHEET 12 D60WLCD - 923-03486 REPLACE ONLY WITH PART NUMBERS SPECIFIED. CHANNEL 5, AND NSTC COLOR BARS.

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