Sanyo PLV-WF20 - Page 156

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-156-

Parts Location Diagrams

KY3-WF2000

Main board

Duct cover and fans

M07

A801

MAIN BOARD

M06

FN907

M03

A8811

SENSOR BOARD

A7761

RGB FANNET BOARD

FN903

FN902

FN904

FN901

Table of Contents

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
Specifications4
Circuit Protections5
- Fuse5
- Thermostats (SW903, SW904)5
- Mechanical Sensor Switches (SW90, SW6581)6
- Temperature Sensors, Wind Sensors and Thermistor7
- Power Failure and Fan Lock Detection8
Maintenance9
- Filter Instructions9
- Replacing the Filter Cartridge10
- Resetting the Filter Counter11
- Resetting the Scroll Counter11
- Lamp Management12
- Lamp Replacement13
- Resetting the Lamp Counter14
- Checking the Projector Used Time and Lamp Used Time14
- Quick Maintenance15
- Cleaning the Optical Parts16
- Cleaning the Projection Lens16
- Cleaning the Projector Cabinet16
Security Function Notice17
Lens Mounting18
- Lens Mounting21
- Mechanical Disassembly Flow Chart22
Optical Parts Disassembly39
- Lcd Panel Type Check41
- Optical Unit Top Removal45
- Optical Parts Locations in the Optical Unit46
- Optical Lamp Unit Top Removal47
- Optical Parts Locations in the Optical Lamp Unit48
Adjustments49
- Adjustments after Parts Replacement49
Optical Adjustments50
- Optical Adjustment Location50
- Before Adjustment51
- Optical Center Adjustment53
- Relay Lens Adjustment55
- PBS Adjustment57
- Contrast Adjustment58
- Back Focus Adjustment59
- Convergence Adjustment60
  - Adjustment Tool Installation61
  - Adjustment Tool Removal62
- Adjustment63
Electrical Adjustments64
- Service Adjustment Menu Operation64
- Memory IC (IC30, IC80) Replacement64
- Circuit Adjustments65
- Test Points and Locations69
- Service Adjustment Data Table70
- Electrical Adjustment71
Chassis Description119
- Chassis over View119
- Boards Connection120
Troubleshooting121
- No Picture121
- Main Board123
- No Power126
- Power Supply and Power Fail Detection127
- Power Failure Detection Tree128
- Power (DC) Power Supply System130
- Temperature Abnormality131
- Power Lens and Shutter System and Abnormality132
- Lamp Abnormality133
- Power Failure Detection System134
- Error Information Table134
- Error History Log135
- Diagnosis of Power Failure with RS-3C Port136
- Diagnosis Procedure136
- Indicators and Projector Condition137
Serial Control140
- Serial Control Interface140
- Status Read Command141
Control Port Functions142
Waveform148
IC Block Diagrams149
- Parts Location Diagrams154
Mechanical Parts List168
Electrical Parts List169
Diagrams & Drawings213
Parts Description and Reading in Schematic Diagram214
Schematic Diagrams217
Printed Wiring Board Diagrams229

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