Mitsubishi Electric WT-42313 Manuals

Manuals and User Guides for Mitsubishi Electric WT-42313. We have 1 Mitsubishi Electric WT-42313 manual available for free PDF download: Service Manual

Mitsubishi Electric WT-42313 Service Manual

Mitsubishi Electric WT-42313 Service Manual (62 pages)

K20 CHASSIS

Brand: Mitsubishi Electric | Category: Projection TV | Size: 3.49 MB

Table of Contents

Specifications
1
Table of Contents
3
Schematic Diagrams
4
Introduction

5
- Models: Wt-42313 / Wt
  5
Product Safety Notice

5
Safety Precautions

6
Cabinet Disassembly

7
- Front View Disassembly
  7
- Rear View Disassembly
  8
Servicing the Lenticular Screen and Fresnel Lens

9
- Lenticular Screen and Fresnel Lens Removal
  9
- Lenticular Screen and Fresnel Lens Installation
  9
SERVICING Pcbs

10
- Accessing the Main Chassis
  10
- PCB Locations
  11
- Main Components Location
  11
Crt Replacement

12
- Second Anode Lead Removal
  12
- CRT Removal
  12
Electrical Adjustments

15
- Test Equipment
  15
- Initial Setup
  16
- Main Menu Defaults
  16
- LED Indicator Diagnostics
  17
- Circuit Adjustment Mode
  18
- Service Mode Reset
  19
- Convergence Adjustment Mode
  19
- Adjustment Items List
  21
- CRT Installation
  23
- Adjustment Test Points
  24
- Adjustment Procedures High Voltage Regulation
  25
  - Main/Sub y Level
    25
  - Main/Sub Color Level
    26
  - CRT Cutoff
    26
  - White Balance (NTSC)
    27
  - White Balance (HD)
    27
  - Black Level
    28
  - Sub Contrast
    28
  - Dynamic Focus Preset
    29
  - Lens Focus
    29
  - Electrostatic Focus
    30
  - On Screen Display Character Position
    30
  - Deflection/Convergence Geometry Presets
    31
  - Deflection Circuit Geometry Adjustments
    32
  - Convergence Circuit Geometry Adjustments
    33
  - Centering and Static Convergence
    34
  - Coarse Convergence Adjustments
    35
  - Fine Convergence Adjustments
    36
  - Models: Wt-42313 / Wt-42413
    36
Chip Parts Replacement

37
Replacement Parts

38
- Parts Ordering
  38
- Critical and Warranty Parts Designation
  38
- Parts Tolerance Codes
  38
- Replacement Part Notes
  38
  - When Replacing the RF-Switch or PCB-SIGNAL
    38
  - When Replacing the EEPROM
    38
- Quick Reference List
  39
- Remote Control
  39
- Service Parts List
  40
- Screen Parts List
  52
CIRCUITRY BLOCK DIAGRAMS Power Supply

53
- Video / Color Signal Path
  54
- Sync Signal Path
  55
- Deflection / HV
  56
- X-Ray Protect
  57
- HV Regulation
  58
- Sound Signal Path
  59
- Convergence
  60
- Control Circuitry
  61

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