-2-
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 Table ................................ 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 Projector 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 ............................................. 62
Mechanical Parts List .................................................. 69
Electrical Parts List ...................................................... 71
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
Summary of Contents for PLC-WL2500
Page 58: ... 58 IC Block Diagrams L3E7111 Digital Gamma and Driver IC401 LC87F2G08A5AN6 PIC Micom IC9885 ...
Page 59: ... 59 IC Block Diagrams MR4010 Power Switching IC631 LV49152V Audio Output IC001 ...
Page 60: ... 60 IC Block Diagrams PIC18F67J60 Network IC8801 NJW1156 Audio Selector IC5001 ...
Page 61: ... 61 IC Block Diagrams PW190 Scaler IC301 TPS54286 DC DC Converter IC7811 ...
Page 92: ... KJ8AC May 2010 DC 200 Printed in Japan SANYO Electric Co Ltd ...
