Table Of Contents; Contents - Sanyo PLC-WXU700 Service Manual

Contents

SERVICE MANUAL ....................................................... 1
Contents ........................................................................ 2
Safety Instructions ......................................................... 3
Safety Precautions ...................................................... 3
Product Safety Notice ................................................. 3
Service Personnel Warning ........................................ 3
Specifications ................................................................ 4
Circuit Protections ......................................................... 5
Thermal switch ........................................................... 5
Lamp cover switch ...................................................... 5
Fuse ............................................................................ 5
Warning temperature and power failure protection ..... 6
Maintenance .................................................................. 7
Cleaning the Filter ...................................................... 7
Resetting the Filter Counter ........................................ 7
Lamp Replacement .................................................... 8
Resetting the Lamp Counter ....................................... 9
How to check Lamp Used Time .................................. 9
Cleaning ................................................................... 10
Security Function Notice.............................................. 11
Security Function Disable ......................................... 11
Network security Function Disable .......................... 11
Mechanical Disassembly ............................................. 12
Optical Parts Disassembly ........................................... 16
Adjustments ................................................................. 22
Adjustments after Parts Replacement ...................... 22
Optical Adjustments ..................................................... 23
Contrast adjustment.................................................. 23
Integrator lens adjustment ........................................ 24
Relay lens-Out adjustment ....................................... 25
Electrical Adjustments ................................................. 26
Service Adjustment Menu Operation ........................ 26
Memory IC (IC1391) Replacement ........................... 26
Circuit Adjustments ................................................... 27
Test Points and Locations ......................................... 32
Service Adjustment Data Table ................................. 33
Chassis Block Diagrams .............................................. 52
Chassis over view ..................................................... 52
System control .......................................................... 53
Lamp control ............................................................. 54
Audio circuit .............................................................. 55
Power supply & protection circuit .............................. 56
Fan control circuit ..................................................... 57
IIC bus control circuit ................................................ 58
Network (MCI) circuit ................................................ 59
Troubleshooting ........................................................... 60
Indicators and Projector Condition ........................... 60
No Power .................................................................. 61
No Picture ................................................................. 62
No Sound .................................................................. 63
Control Port Functions ................................................. 64
Scaler I/O Port Functions (PW392) .......................... 64
I/O Expander Port Functions (TE7783) ................... 65
Waveform .................................................................... 66
IC Block Diagrams ....................................................... 67
Electrical Parts List ...................................................... 74
Electrical Parts Location ........................................... 75
Electrical Parts List ................................................... 76
Mechanical Parts List ................................................ 107
Cabinet Parts Location ........................................... 107
Optical Parts Location ............................................ 108
Mechanical Parts List ............................................. 112
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram ...A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams .................................A11
Pin description of diode, transistor and IC .................A17
Note on Soldering ......................................................A18
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