Canon LV-7105U LCD Projector Manuals

Manuals and User Guides for Canon LV-7105U LCD Projector. We have 1 Canon LV-7105U LCD Projector manual available for free PDF download: Service Manual

Canon LV-7105U Service Manual

Canon LV-7105U Service Manual (134 pages)

Service Manual

Brand: Canon | Category: Projector | Size: 6.3 MB

Table of Contents

Service Manual
1
Preface
5
General
6
Table of Contents
7
Repair
7
Adjustment
8
Part 1: General Information

11
- Features
  13
  - Development Objectives
    13
  - Major Features
    14
  - LV-7105 Features (Details)
    15
- Lv-7105 Specifications
  17
  - Main Unit
    17
  - Connectors
    18
  - Accessories
    18
  - Other Specifications
    18
- Nomenclature
  19
  - Main Unit
    19
  - Top Controls
    20
  - Rear Panel Terminals
    21
  - Computer Input Terminal
    22
  - Control Port Connector
    22
  - Remote Control
    23
  - Operating Range
    24
- Commentary
  25
  - External Appearance Design
    25
  - Projection Lens
    25
  - Hybrid Gamma Correction
    26
  - Fan Speed Control
    26
- Connecting
  28
  - Connection to the Computer
    28
  - Connecting to the Video Equipment
    29
- Setting-Up the Projector
  30
  - Positioning the Projector
    30
  - Installation Precautions
    30
- Supported Computer System Mode
  32
Part 2: Repair Information

33
- Safety Instructions
  35
- Circuit Protections
  36
  - Fuse
    36
  - Thermal Switch
    36
  - Warning Temperature and Power Failure Protection
    37
  - Air Filter Care and Cleaning
    37
- Mechanical Disassemblies
  39
  - Cabinet Top Removal
    39
  - Cabinet Front and Speaker Removal
    39
  - Main Board Removal
    40
  - Fuse Removal
    40
  - AV and Component Board Removal
    41
  - Line Filter Board Removal
    41
  - Lamp Ballast Unit Fan (FN905) Removal
    42
  - Power Board Removal
    42
  - Optical Unit and Fan (FN901) Removal
    43
  - Audio Amp. Board Removal
    43
  - Fans (FN902, FN903, FN904) Removal
    44
  - AC Inlet Ass'y Removal
    44
- Optical Parts Disassemblies
  45
- Lcd Panel/Prism Ass'y Replacement
  49
  - LCD Panel/Prism Ass'y Removal
    49
  - Note on LCD Panel/Prism Ass'y Mounting
    50
- Cleaning
  51
- Lamp Replacement
  52
- Lamp Age
  53
Part 3 Adjustment

55
- Before Adjustments
  57
- Electrical Adjustments
  63
  - Output Voltage Adjustment
    63
  - Fan Voltage Adjustment
    63
  - PC-Offset Adjustment
    64
  - PC Gain Adjustment
    64
  - Component Gain Adjustment
    65
  - AV Gain Adjustment
    66
  - PSIG Adjustment
    66
  - Signal Center Adjustment
    67
  - PC/AV Gamma off Adjustment
    67
  - PC/AV-Video Adjustment-1
    68
  - PC/AV-Video Adjustment-2
    69
  - S/H Clock Adjustment
    69
  - Common Center Adjustment
    70
  - White Balance Adjustment
    70
  - Black Balance Adjustment
    71
  - Note on White Uniformity Adjustment
    71
- Optical Adjustments
  72
  - Contrast Adujstment
    72
  - Integrator Lens Adujstment
    73
  - Relay Lens Adjustment
    75
- Test Points and Locations
  76
- Main Board
  76
Part 4: Troubleshooting

77
- Troubleshooting
  77
  - No Power
    79
  - No Sound
    84
  - No Picture
    85
- Control Port Functions
  87
  - System Control & I/O Port Functions
    87
- Waveforms
  89
- IC Block Diagrams
  92
Part 5 Parts Catalog

101
- Parts Catalog
  103
Part 6: Electrical Diagrams

118
- Parts Description and Reading in Schematic Diagram
  120
  - Schematic Diagrams
    125
  - Printed Wiring Board Diagrams
    132

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