Table Of Contents; Contents - Sanyo PLC-WL2500A 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
Fuse . ........................................................................... 5
Lamp cover switch ...................................................... 5
Warning temperature and power failure protection . .... 6
Maintenance .................................................................. 7
Replacing the filters .................................................... 7
Resetting the filter counter . ......................................... 7
Lamp replacement . ..................................................... 8
Resetting the lamp counter . ........................................ 9
How to check lamp used time . .................................... 9
Attaching the lens cover ........................................... 10
Cleaning the projector .............................................. 10
Cleaning the projection lens ..................................... 10
Cleaning the projector cabinet . ................................. 10
Security Function Notice.............................................. 11
Standby Mode Notice .................................................. 12
Mechanical Disassembly ............................................. 13
Optical Parts Disassembly . .......................................... 19
Adjustments . ................................................................ 25
Adjustments after parts replacement . ....................... 25
Note on main board replacement ............................. 25
Optical Adjustments . .................................................... 26
Contrast adjustment.................................................. 26
Condenser lens (OUT) adjustment . .......................... 27
Relay lens (OUT) adjustment ................................... 28
Electrical Adjustments ................................................. 29
Service adjustment menu operation ......................... 29
Circuit adjustments ................................................... 29
Test points and locations .......................................... 33
Service adjustment data .......................................... 34
Chassis Block Diagrams . ............................................. 48
Chassis over view . .................................................... 48
System control . ......................................................... 49
Power supply & protection circuit . ............................. 50
Fan control circuit ..................................................... 51
Troubleshooting ........................................................... 52
Indicators and rojector condition . .............................. 52
No power .................................................................. 53
No picture ................................................................. 54
No sound .................................................................. 55
Control Port Functions . ................................................ 56
Scaler I/O port functions (PW190) . ........................... 56
IC Block Diagrams . ...................................................... 57
Parts Location Diagrams ............................................. 61
Mechanical Parts List .................................................. 68
Electrical Parts List ...................................................... 70
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram . ..A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams ...................................A9
Pin description of diode, transistor and IC . ................A11
Note on Soldering . .....................................................A12
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