Mitsubishi Electric WS-55819 Television Manuals

Manuals and User Guides for Mitsubishi Electric WS-55819 Television. We have 1 Mitsubishi Electric WS-55819 Television manual available for free PDF download: Service Manual

Mitsubishi Electric WS-55819 Service Manual

Mitsubishi Electric WS-55819 Service Manual (90 pages)

Brand: Mitsubishi Electric | Category: Projection TV | Size: 12 MB

Table of Contents

SCHEMATIC DIAGRAMS Overall Block Diagram

1
- Pcb-Main
  2
- Table of Contents
  3
- Pcb-Power
  3
- Pcb-Terminal
  4
Introduction

5
Product Safety Notice

5
- Pcb-Signal-1 (Av I/O)
  5
Safety Precautions

6
- Pcb-Signal-2 (Micro)
  6
- Cabinet Disassembly (Front View)
  
  7
  - Pcb-Signal-3 (VC / Sw)
    7
  - Pcb-3Dyc
    8
  - Pcbs-CONV GEN / JUNGLE
    9
- Cabinet Disassembly (Rear View)
  
  10
  - Pcbs - CRT / CONTROL / AI / SVM / DBF
    10
  - Pcb-2Hdw-1
    11
Servicing the Lenticular Screen and Fresnel Lens

12
- Lenticular Screen and Fresnel Lens Removal
  
  12
  - Pcb-2Hdw-2)
    12
  - Pcb-2Hdw-3
    13
- Lenticular Screen and Fresnel Lens Installation
  
  14
Pcb Layout Diagrams

14
Servicing the Diamondshields

15
- Diamondshield TM Removal & Installation
  15
SERVICING Pcbs

16
- Chassis Removal
  16
- PCB Locations
  16
- Main Components Location
  16
Crt Replacement

17
- CRT Removal
  17
- CRT Installation
  18
Electrical Adjustments

20
- Test Equipment
  20
- Initial Setup
  21
- LED Indicator Diagnostics
  22
- Circuit Adjustment Mode
  22
- Convergence Adjustment Mode
  24
- E2PROM Replacement
  27
- Adjustment Items List
  27
- Adjustment Test Points
  30
- Adjustment Procedures
  31
  - Audio Circuit
    31
  - High Voltage Regulation
    32
  - Main/Sub y Level
    32
  - Side by Side Sub Picture Tint
    33
  - Side by Side Sub Picture Color
    33
  - CRT Cutoff
    34
  - White Balance (NTSC)
    34
  - White Balance (HD)
    35
  - Cb, Cr Offset
    35
  - Black Level
    36
  - Sub Contrast
    36
  - Dynamic Focus Preset
    37
  - Electrostatic Focus & Alignment Magnet Adjustment
    37
  - Lens Focus
    38
  - Character Position
    38
  - Deflection/Convergence Geometry Presets
    39
  - Deflection Circuit Geometry Adjustments
    40
  - Convergence Circuit Geometry Adjustments
    41
  - Centering and Static Convergence
    42
  - Coarse Convergence Adjustments
    43
  - Fine Convergence Adjustments
    44
Chip Parts Replacement

45
Replacement Parts

46
- Parts Ordering
  46
- Critical and Warranty Parts Designation
  46
- Parts Tolerance Codes
  46
- Quick Reference List
  47
- Service Parts List
  48
- Screen Parts List
  58
CIRCUITRY BLOCK DIAGRAMS Standby Supplies Regulator

60
- Switched Supplies Regulator
  61
- Video/Color A/V Switch Circuit
  62
- Video / Color Signal Path
  63
- Sync Signal Path
  64
- Deflection / HV
  65
- X-Ray Protect
  65
- Sound Circuit
  66
- Convergence
  67
- Control Circuitry
  68

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