Canon LV-S3U/D78-5422 Manuals

Manuals and User Guides for Canon LV-S3U/D78-5422. We have 1 Canon LV-S3U/D78-5422 manual available for free PDF download: Service Manual

Canon LV-S3U/D78-5422 Service Manual

Canon LV-S3U/D78-5422 Service Manual (106 pages)

Brand: Canon | Category: Projector | Size: 6.84 MB

Table of Contents

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

9
- Features
  10
  - Development Objective
    10
  - Product Overview
    10
  - Main Features
    11
- Speculations
  12
  - Type
    12
  - LCD Panels
    12
  - Optics
    12
  - Images
    12
  - Video Signals
    12
  - Mechanisms
    13
  - Connectors
    13
  - Ratings
    13
- Functions
  14
  - Optics
    14
  - Images
    14
  - Input Signals
    16
  - Mechanisms and Systems
    17
  - Connectors
    18
- Accessories
  19
  - Principal Accessories
    19
  - Replacement Parts
    19
- Precautions
  20
- Description
  21
  - Optics
    21
  - Images
    22
  - Image Signals
    22
  - Mechanisms and Systems
    22
  - Design
    23
Part 2: Repair Information

24
- Safety Instructions
  25
- Circuit Protections
  26
  - Fuse
    26
  - Thermal Switch
    26
  - Lamp Cover Switch
    27
  - Warning Temperature and Power Failure Protection
    27
  - Air Filter Care and Cleaning
    28
- Mechanical Disassemblies
  29
  - Side Panel Removal
    29
  - Cabinet Top Removal
    29
  - Main Board Removal
    30
  - Rear Panel, AV Board and FN903 Removal
    30
  - Thermal SW Removal
    31
  - Optical Unit Removal
    31
  - Cabinet Front, R/C Board and Speaker Removal
    32
  - Power Unit and FN906 Removal
    32
  - Lamp Ballast Unit and Filter Board Removal
    33
  - FN904 Removal
    33
  - FN902, FN905 and Sensor Board Removal
    34
  - FN901 and Lamp Cover SW Removal
    34
- Optical Parts Disassemblies
  35
  - Lamp Holder Removal
    35
  - Projection Lens Ass'y Removal
    35
  - Polarized Glass-In Removal
    36
  - Optical Unit Top Removal
    36
  - Locations and Directions
    37
- Lcd Panel/Prism Ass'y Replacement
  38
  - LCD Panel/Prism Ass'y Removal
    38
  - LCD Panel/Prism Ass'y Attachment
    38
- Cleaning
  39
- Lamp Replacement
  40
Part 3: Adjustment

42
- Electrical Adjustments
  43
- Circuit Adjustments
  49
  - PC Pedestal Adjustment
    50
  - PC Gain Adjustment
    50
  - Video Gain Adjustment
    51
  - Pedestal Adjustment
    51
  - Gain Adjustment
    52
  - Gamma Adjustment
    53
  - Common Center Adjustment
    53
  - White Balance Adjustment
    54
  - Note on White Uniformity Adjustment
    54
- Optical Adjustments
  55
  - Contrast Adjustment
    55
  - Condenser Lens Adjustment
    56
  - Relay Lens-Out Adjustment
    57
- Test Points and Locations
  58
Part 4: Troubleshooting

59
- Troubleshooting
  59
  - No Power
    60
  - No Picture
    63
  - No Sound
    65
- Control Port Functions
  66
- Waveforms
  71
- IC Block Diagrams
  72
Part 5 Parts Catalog

76
- Parts List
  80
Part 6: Electrical Diagrams

93
- Parts Description and Reading in Schematic Diagram
  94
- Diode, Transistor and IC Pins
  96
  - Chassis Block Diagrams
    97
    
    Video Signal Processing Circuit and Lcd Panel Driving Circuit
    98
    
    System Controls
    99
  - Power Supply Lines
    100
  - Schematic Diagrams
    101
  - Printed Wiring Board Diagrams
    105

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