Zenith D60WLCD Series Service Manual Download

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TABLE OF CONTENTS

SR23E - 923-03449

XC - TOC

SECTION 1 .................... OVERVIEW

FEATURES ...................................................... 1-1

OVERVIEW .................................................. 1-1
FRONT PANEL CONTROLS ............................... 1-2
FUNCTION STATUS INDICATORS ....................... 1-3

REMOTE CONTROL ............................................ 1-4

REMOTE BUTTON DESCRIPTIONS ..................... 1-4
REMOTE BUTTON DESCRIPTIONS ..................... 1-5
PROGRAMMING THE REMOTE .......................... 1-6

USER MENUS ................................................ 1-10

EZ HELP .................................................. 1-10
SOURCE SELECTION .................................... 1-10
PIP/POP/SPLIT SOURCES ............................ 1-10
EZ SCAN ................................................... 1-11
CHANNEL ADD/DEL/SURF ............................ 1-12
CHANNEL LABEL SETUP ............................... 1-12
EZ LINK ................................................... 1-13
VIDEO MENU ............................................. 1-13
AUDIO MENU ............................................ 1-14
ASPECT RATIO ........................................... 1-14
ON-SCREEN MENUS LANGUAGE ...................... 1-15
CAPTIONS/TEXT ......................................... 1-15
EZ DEMO .................................................. 1-16
AUTO CLOCK ............................................. 1-16
MANUAL CLOCK SETUP ................................ 1-16
TV TURN ON TIME ...................................... 1-17
TV TURN OFF TIME .................................... 1-17
SLEEP TIMER ............................................ 1-17
PARENTAL LOCK ........................................ 1-18

SECTION 2 ............ SERVICE MENUS

SERVICE MENU OPTIONS ................................... 2-1

SECTION 3 .................... SERVICING

ADJUSTMENT INSTRUCTIONS .............................. 3-1

OVERVIEW .................................................. 3-1
ADJUSTMENT 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 .......................................... 3-10
DIGITAL BLOCK ......................................... 3-16
LCD DRIVER BLOCK .................................... 3-24

TROUBLESHOOTING ........................................ 3-31

MAIN ...................................................... 3-31
CPU BLOCK ............................................... 3-33
SOUND .................................................... 3-36
POWER .................................................... 3-38

TOC-1

SECTION 4 ........................... PARTS

MODEL PARTS ................................................. 4-1

SECTION 5 .................... DIAGRAMS

D60WLCD EXPLODED VIEW ................................. 5-1
D60WLCD BLOCK DIAGRAM ................................ 5-2
D60WLCD MAIN PCB LAYOUT .............................. 5-3
D60WLCD POWER PCB LAYOUT ........................... 5-4
D60WLCD DIGITAL PCB LAYOUT .......................... 5-5
D60WLCD DRIVE PCB LAYOUT ............................. 5-6
D60WLCD CHROMA PCB LAYOUT ......................... 5-7
D60WLCD TUNER PCB LAYOUT ............................ 5-8
D60WLCD OTHER PCB LAYOUT ............................ 5-9

SECTION 6 .................. SCHEMATICS

POWER SUPPLY CIRCUIT ................................... 6-1
MAIN MICRO CIRCUIT ...................................... 6-2
MAIN CIRCUIT ................................................ 6-3
LCD CONTROLLER CIRCUITS ............................... 6-4
CHROMA CIRCUIT ............................................ 6-5
TUNER CIRCUIT ............................................... 6-6
LEVEL & SHIFT CONVERSION CIRCUITS ................ 6-7
CONTROL PANEL CIRCUIT .................................. 6-8
DIGITAL CPU CIRCUITS ..................................... 6-9
DIGITAL INPUT/OUTPUT CIRCUITS ................... 6-10
DIGITAL HIGH DEF CIRCUITS ........................... 6-11
DIGITAL ADC CIRCUITS ................................... 6-12