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MODEL: WD-57831 / WD-65831 / WD-73831
INTRODUCTION ................................................................................................................................ 5
Dimensions, weight, power usage, etc. ........................................................................................... 5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY .................................................................................................................................. 7
Rear Cover Removal ........................................................................................................................ 7
Chassis Removal and Disassembly ................................................................................................ 8
57” & 65” Optical Engine Removal ................................................................................................. 12
73” Optical Engine Removal .......................................................................................................... 13
Taping the 73” DVI ..................................
..
..................................................................................... 14
57” & 65” Front Disassembly ........................................................................................................ 15
57” & 65” Screen Removal & Replacement ................................................................................... 16
73” Front Disassembly .................................................................................................................. 17
73” Screen Removal & Replacement ............................................................................................. 18
ADJUSTMENTS ............................................................................................................................... 21
Option Menu & Remote Controls .................................................................................................. 21
Defaults ........................................................................................................................................ 23
LED Indicator Diagnostics ............................................................................................................. 25
Error Codes Operational Check ..................................................................................................... 25
57” & 65” Lamp Troubleshooting .................................................................................................... 27
57” & 65” Lamp Control Circuitry ................................................................................................... 27
57” & 65” Lamp Troubleshooting Flow Chart .................................................................................. 28
73” Lamp Control Ciruitry .............................................................................................................. 29
73” Lamp Troubleshooting Flow Chart ........................................................................................... 30
CableCARD™ ............................................................................................................................... 31
Service Adjustment Mode ............................................................................................................. 32
Service Adjustment Mode Operation .................................................................................... 32
Transferring data .................................................................................................................. 33
Optical Engine Adjustment ............................................................................................................ 34
Test Signal activation ........................................................................................................... 34
Preliminary .......................................................................................................................... 34
57” & 65” Rotation and Keystone Distortion Adjustment ....................................................... 36
After completing adjustments
............................................................................................. 36
73” Adjustment Preliminary .................................................................................................. 37
73” Adjustment ..................................................................................................................... 38
Horizontal & Vertical Position ............................................................................................... 38
USING LEAD FREE SOLDER .......................................................................................................... 39
CHIP PARTS REPLACEMENT ......................................................................................................... 40
REPLACEMENT PARTS .................................................................................................................. 41
Parts Ordering .............................................................................................................................. 41
Critical and Warranty Parts Designation ........................................................................................ 41
Parts Tolerance Codes .................................................................................................................. 41
Quick Reference List ........................................................................................................................ 42
SERVICE PARTS LIST .................................................................................................................... 43
SCREEN ASSEMBLY PARTS LIST .................................................................................................. 51
CONTENTS
Summary of Contents for WD-57831
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Page 29: ...MODEL WD 57831 WD 65831 WD 73831 Page 29 73 Models Lamp Lamp Control Circuitry ...
Page 53: ...Page 53 MODEL WD 57831 WD 65831 WD 73831 MAIN POWER SUPPLY ...
Page 55: ...Page 55 MODEL WD 57831 WD 65831 WD 73831 POWER DISTRIBUTION ...
Page 56: ...MODEL WD 57831 WD 65831 WD 73831 Page 56 PWB SIGNAL VIDEO PATH ...
Page 57: ...Page 57 MODEL WD 57831 WD 65831 WD 73831 PWB DM Video Path ...
Page 58: ...MODEL WD 57831 WD 65831 WD 73831 Page 58 Sound Select Circuitry ...
Page 59: ...Page 59 MODEL WD 57831 WD 65831 WD 73831 Sound Signal Path ...
Page 60: ...MODEL WD 57831 WD 65831 WD 73831 Page 60 Overall Control Circuitry ...
Page 61: ...Page 61 MODEL WD 57831 WD 65831 WD 73831 Command input Circuit ...
Page 64: ...MODEL WD 57831 WD 65831 WD 73831 Page 64 Auto Input Detection ...
Page 65: ...Page 65 MODEL WD 57831 WD 65831 WD 73831 Short Protect Circuit ...