Contents
Contents ............................................................................2
Safety Instructions .............................................................3
Safety precautions .................................................... 4
Specifications ....................................................................5
Circuit Protections .............................................................7
Thermal fuse(SW902) ............................................... 7
Fuse (F601) ............................................................... 7
Lamp cover switch (SW901) ...................................... 7
Warning temperature and power failure protection ... 8
Warning temperature and power failure protection ... 8
Maintenance ......................................................................9
Maintenance .............................................................. 9
Replacing the filter..................................................... 9
Replacing the lamp unit ........................................... 12
How to check lamp runtime ..................................... 13
Cleaning .................................................................. 14
Cleaning the projection window .............................. 14
Cleaning the projector cabinet ................................ 14
Security Function Notice .................................................15
Resetting procedure ................................................ 15
Standby Mode Notice ......................................................16
Mechanical Disassembly.................................................17
Servicing Notice ..............................................................26
Note on main board replacement ............................ 26
Adjustments .....................................................................27
Adjustments after parts replacement ...................... 27
Service adjustment menu operation ....................... 27
Electrical Adjustments .....................................................28
Circuit adjustments .................................................. 28
Service adjustment data ......................................... 31
Chassis Block Diagrams .................................................39
Chassis overview ....................................................39
System control .........................................................40
Power supply & protection circuit ............................ 41
Fan control circuit .................................................... 42
Troubleshooting ...............................................................43
Indicators and projector condition ........................... 43
No power ................................................................. 44
No picture ................................................................ 45
No sound ................................................................. 46
Error log ................................................................... 47
Control Port Functions.....................................................48
System control (DDP, IC401)...................................48
IIC bus D/A converter (Fan control, IC7881) ........... 49
IC Block Diagrams...........................................................50
Exploded Views & Parts List ..................................... SPL-1
Exploded Views ......................................................... SPL-2
Mechanical Parts List ................................................ SPL-7
Electrical Parts List .................................................... SPL- 8
Schematic Diagram & Circuit Boards Diagram ..........DIA-1
Pin description of diode, transistor and IC .........DIA-2
Schematic Diagrams ................................................. DIA-3
Printed Wiring Board Drawings ................................. DIA-9