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WD-57831
Mitsubishi Electric WD-57831 User Manual
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MODEL: WD-57831 / WD-65831 / WD-73831
Page 27
57” & 65” Models Lamp T
roubleshooting
Use the above Error Code table, Lamp Control Block diagrams below
, and the T
roubleshooting charts on the following pages
to determine the cause of a Lamp problem.
57” & 65” Lamp Control Circuitry
Disabling 57” & 65”Lamp Switch
(af
ter rear cover removal)
26
28
Table of Contents
Introduction
5
Safety Precautions
6
Rear Cover Removal
7
Disassembly
8
Optical Engine Removal
12
Option Menu
21
Error Codes
26
Rear Cover Removal
27
Adjustments
32
Service Adjustment Mode
33
Optical Engine Adjustment
34
Electrical Adjustments
38
Using Lead Free Solder
39
Chip Parts Replacement
40
Replacement Parts
41
Integrated Circuits
43
Main Power Supply
53
PWB-SIGNAL Video Path
56
PWB-DM Video Path
57
Engine Protect Circuitry
63
Auto Input Detection
64
Short Protect Circuit
65
4
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Mitsubishi Electric WD-57831 Specifications
General
Brand
Mitsubishi Electric
Model
WD-57831
Category
Projection TV
Language
English
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