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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.
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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...
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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...
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...
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...
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...
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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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
(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...
“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...
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...
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...
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...
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...
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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...
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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...
• 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...
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• 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...
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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...
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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...
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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...
• 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...
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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...
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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...
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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...
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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...
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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...
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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...
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. 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...
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...
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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...
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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...
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...
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.