Canon D78-5253 Manuals

Manuals and User Guides for Canon D78-5253. We have 1 Canon D78-5253 manual available for free PDF download: Service Manual

Canon D78-5253 Service Manual

Canon D78-5253 Service Manual (73 pages)

Brand: Canon | Category: Projector | Size: 5.34 MB

Table of Contents

Service Manual
1
Table of Contents
6
Part 1: General Information

8
- Features
  9
  - Development Objectives
    9
  - Major Features
    10
- Specifications
  12
  - Type
    12
  - LCD Panel
    12
  - Optical Box
    12
  - Video / Audio
    12
  - Connectors
    13
  - Standard
    13
  - Accessories
    13
  - Options
    13
  - Others
    13
- Nomenclature
  14
  - Main Board
    14
  - Top Controls
    14
  - Rear Panel Terminals
    14
  - Computer Input Terminal / Control Port Connector
    14
  - Remote Control
    14
  - Remote Control Operating Range
    14
- Commentary
  15
  - External Appearance Design
    15
  - Optical System
    15
  - Video Input System
    18
  - Image Control
    19
  - Other Functions
    20
  - Mechanism
    20
- Connection Diagram
  22
  - Connection to the Computer
    22
  - Connecting to the Video Equipment
    22
- Setting-Up the Projector
  23
  - Positioning the Projector
    23
  - Installation Precautions
    23
- Supported Computer System Mode
  24
Part 2: Repair Information

25
- Safety Instructions
  26
- Lamp Replacement
  27
- Circuit Protections
  29
  - Fuse
    29
  - Temperature Protection Equipment
    29
- Service
  31
  - Cabinet Top Removal
    31
    
    Front Cabinet Removal
    31
    
    Main Board and Sub-Board Removal
    32
    
    Power Supply Unit and Fan (FN903) Removal
    32
    
    AV Unit and Fan (FN907) Removal
    33
    
    Lamp Ballast Unit Removal
    33
    
    Optical Unit, Fan (FN901) and Fan Louver Removal
    34
    
    Air Duct and Fan Removal
    34
    
    Lens and Panel Prism Assembly Removal
    35
- Cleaning
  36
Part 3: Adjustment

38
- Precautions for Adjustment
  39
- Electrical Adjustments
  43
  - Fan Voltage Adjustment
    43
  - NRS Adjustment
    43
  - Signal Center DC Voltage Adjustment
    43
  - Contrast Adjustment
    44
  - Signal Level Adjustment
    45
  - Flicker Adjustment
    45
  - White Balance Adjustment
    46
  - Contrast Linearity Adjustment
    46
  - Color Shading Correction
    46
- Test Points Locations
  47
- Troubleshooting
  48
Part 4: Parts Catalog

51
- Parts List
  59
Part 5: Electrical Diagrams

62
- Parts Description and Reading in Schematic Diagram
  63
- Diode, Transistor and IC Pins
  65
  - Schematic Diagrams
    66
  - Printed Wiring Board Diagrams
    72

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