Mitsubishi Electric WS-65907 Manuals

Manuals and User Guides for Mitsubishi Electric WS-65907. We have 1 Mitsubishi Electric WS-65907 manual available for free PDF download: Service Manual

Mitsubishi Electric WS-65907 Service Manual

Mitsubishi Electric WS-65907 Service Manual (99 pages)

Brand: Mitsubishi Electric | Category: Projection TV | Size: 13.05 MB

Table of Contents

SCHEMATIC DIAGRAMS Overall Block Diagram

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

5
Product Safety Notice

5
- Pcb-Signal (Micro)
  5
- Models: Wt-46807 / Ws-55807 / Ws-55857 / Ws-55907 / Ws-65807 / Ws-65857 / Ws-65907 / Ws
  5
Safety Precautions

6
- Pcb-Signal (VC/Sw)
  6
Cabinet Disassembly (Front View)

7
- Pcb-2Hdw (In)
  7
- Pcb-2Hdw (Main)
  8
- Pcb-2Hdw (Out)
  9
- Ws-55857 / Ws-65857
  9
- Pcb-Terminal
  10
- Ws-55907 / Ws-65907 / Ws-73907
  10
Cabinet Disassembly (Rear View)

11
Cabinet Separation Procedure WS-65807 / WS-65857 / WS-65907 / WS-73907

13
- Pcbs - CRT/CONTROL/PREAMP/DBF/FRONT/DISPLAY
  13
Servicing the Lenticular Screen and Fresnel Lens

14
- Pcb-Bmp (1)
  14
- Pcb-Bmp (2)
  15
- Lenticular Screen and Fresnel Lens Removal
  
  16
- Lenticular Screen and Fresnel Lens Installation
  
  16
Pcb Layout Diagrams

16
Servicing the Diamondshield

17
- Diamondshield TM Removal / Installation
  17
SERVICING Pcbs

18
- PCB Locations and Chassis Removal
  18
- Main Component Locations
  18
Crt Replacement

19
- CRT Removal
  19
- CRT Installation
  20
Electrical Adjustments

22
- Test Equipment
  22
- Initial Setup
  22
- Self Diagnostics
  24
- Circuit Adjustment Mode
  24
- Convergence Adjustment Mode
  26
- E2PROM Replacement
  28
- Adjustment Items List
  28
- Adjustment Test Points
  31
- Adjustment Procedures
  32
  - Audio Circuit
    32
  - High Voltage Regulation
    33
  - Main/Sub y Level
    33
  - Side by Side Sub Picture Tint
    34
  - Side by Side Sub Picture Color
    34
  - CRT Cutoff
    35
  - White Balance (NTSC)
    35
  - White Balance (HD)
    36
  - Cb, Cr Offset
    36
  - Black Level
    37
  - Sub Contrast
    37
  - Dynamic Focus Preset
    38
  - Electrostatic Focus
    38
  - Models: Wt-46807 / Ws-55807 / Ws-55857 / Ws-55907 / Ws-65807 / Ws-65857 / Ws-65907 / Ws
    38
  - Lens Focus
    39
  - Character Position
    39
  - Deflection/Convergence Geometry Presets
    40
  - Deflection Circuit Geometry Adjustments
    41
  - Convergence Circuit Geometry Adjustments
    42
  - Centering and Static Convergence
    43
  - Coarse Convergence Adjustments
    44
  - Fine Convergence Adjustments
    45
Chip Parts Replacement

46
Replacement Parts

47
- Parts Ordering
  47
- Critical and Warranty Parts Designation
  47
- Parts Tolerance Codes
  47
- Quick Reference List
  48
- Remote Control
  48
- Service Parts List
  49
Circuitry Block Diagrams

66
- Standby Supply Regulator
  66
- Switched Supply Regulator
  67
- Video / Color A/V Switch Circuit
  68
- Video / Color Signal Path
  69
- Sync Signal Path
  70
- Deflection / HV
  71
- X-Ray Protect
  71
- Sound Circuit
  72
- Convergence
  73
- Control Circuit
  74

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