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WD-92840
Mitsubishi Electric WD-92840 User Manual
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T
echnical T
raining Manual
Including…
Down-to-1
High Speed T
roubleshooting
ECHNICAL
RAINING
T
201
1
2012
Copyright © 2011 Mitsubishi Electric
Visual Solutions America, Inc.
All Rights Reserve
d
V45
Chassis
V46
Chassis
DLP
®
HOME CINEMA TV
V46
L75-A94
V45C
V45
V45CA
WD-73C11 WD
-73640
WD-73CA1
V45+
V45++
V45CB
WD-73740 WD-73
840
WD-82CB1
WD-82740
WD-82840
WD-92840
2
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
5
Features and Technologies
6
3D
7
A2DP Audio Streaming
8
New Technologies
8
Remote Control App
8
Requirements for Streamtv Internet Media:
8
Stream TV Internet Media
8
To Activate an Advanced Adjustment Mode
9
Chapter 1 - LASERVUE
10
DLP Home Cinema
10
Reliability and Serviceability Technologies
10
Safety
11
Safety Precautions
12
Warning
12
Back Cover Removal
14
Disassembly & Parts Replacement
14
Important Notes
14
Rear Cabinet Frame Removal
15
Electrical Chassis Removal
16
Service Cover Removal
16
Light Source Unit Removal
17
Light Source Unit Replacement
17
Light Source Exhaust Fan Removal
18
Optical Engine Removal
19
Optical Engine Replacement
19
COVER-FRONT Removal
20
Screen Assembly Removal
21
Remote Control Use for Service
22
Service Procedures
22
Deactivate Vudu
23
Option Menu
23
Service Level Initialization
23
Digital Signal Strength
24
Digital Signal Strength Menu
24
SNR Recommended Levels
24
Reset / Initialization
25
Service Tip
25
Abnormal Indications
26
Led Indications and Self Diagnostics
26
Normal Indications
26
Self Diagnostics
26
Error Codes
27
Error Code Log
28
Error Code Log Definitions
28
Activating the Service Menu
29
Electrical Adjustments
29
Mechanical Adjustment
29
Service Adjustments
29
Horizontal and Vertical Position Adjustment
30
TSP Alignment
30
Manual Geometry Alignment
31
Select Calibration Table
31
20 Point Geometry Alignment
32
4:3 and 16:9 Alignment
33
After Electrical Chassis (PWB-MAIN) Replacement
35
After Optical Engine Replacement
35
Data Transfer
35
Mechanical Adjustments
36
Top Mirror Adjustment
36
Down-To-1 Troubleshooting
38
Picture Performance Complaints
38
User Level Resets and Initialization
38
Assembly Locations
39
Chapter 2 - DLP ® HOME CINEMA
39
Disassembly and Parts Replacement
39
Chassis - Removal & Disassembly
40
Rear Terminal Cover Removal (to Replace PWB-MAIN)
40
PWB-POWER Removal
41
PWB-MAIN Removal
41
After PWB-MAIN Replacement
41
Pwb-Ballast Removal
42
Optical Engine Assembly - Removal & Disassembly
42
Optical Engine Assembly Removal
42
Optical Engine Assembly
43
Duct Interior Components
44
Lower Duct Removal
45
Hv Lamp Wiring
45
Projection Lens Replacement
46
Color Wheel Replacement
47
Screen Replacement
48
Screen Assembly Removal and Replacement
48
Screen Removal from the Bezel-Front
49
Lenticular Screen and Fresnel Lens Removal
50
Lenticular Screen and Fresnel Lens Replacement
50
Lenticular Screen and Fresnel Lens Disassembly
53
Mirror Replacement
54
Remote Control
55
Service Procedures
55
Service Menu
58
Adjustment Procedures
59
Phase 1 - 16 Point Geometry Alignment
61
Phase 2 - Geometry Touch-Up Alignment
61
Data Transfer Functions
64
Data Transfer Procedure
64
Circuit Block Diagrams
69
V45 Power Distribution
71
V45 Signal Path
72
V45++ Audio Diagram
73
V45 Lamp Control
74
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Mitsubishi Electric WD-92840 Specifications
General
Brand
Mitsubishi Electric
Model
WD-92840
Category
TV
Language
English
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