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Contents
Contents .......................................................................2
Safety Instructions ......................................................3
Safety precautions ......................................................4
Specifications ..............................................................5
Circuit Protections ......................................................7
Thermal fuse (SW902) ...............................................7
Lamp cover switch (SW901) .......................................7
Fuse (F601) ................................................................7
Warning temperature and power failure protection .....8
Maintenance .................................................................9
Maintenance ...............................................................9
Replacing the unit .......................................................9
Replacing the lamp unit ............................................12
How to check lamp runtime ......................................13
Warning message on the non-standard lamp used ..13
Cleaning ...................................................................14
Cleaning the projection lens .....................................14
Cleaning the projector cabinet ..................................14
Security Function Notice ..........................................15
Resetting procedure .................................................15
Standby Mode Notice ................................................16
Mechanical Disassembly ..........................................17
Mechanical disassembling flow chart .......................17
Optical Parts Disassembly .......................................30
LCD panel type check ..............................................30
Servicing Notice ........................................................35
Note on the MAIN board replacement ......................35
1.EEPROM data transfer ..........................................35
2. Adjustment data setting ........................................36
3. EDID IC replacement ............................................36
Adjustments ...............................................................37
Optical Adjustments ..................................................38
Contrast adjustment .................................................38
Optical center adjustment .........................................39
Electrical Adjustments ..............................................40
Service adjustment menu operation .........................40
Circuit adjustments ...................................................41
Test points and locations ..........................................44
Service adjustment data ..........................................45
Chassis Block Diagrams...........................................66
Chassis over view .....................................................66
System control ..........................................................67
Lamp control .............................................................68
Audio circuit ..............................................................69
Power supply & protection circuit .............................70
Fan control circuit .....................................................71
Troubleshooting ........................................................72
Indicators and projector condition .............................72
No power ..................................................................73
No picture .................................................................74
No sound ..................................................................75
Serial Control .............................................................76
Serial terminal ...........................................................76
Control Port Functions .............................................79
Scaler I/O port functions (PW190) ............................79
IC Block Diagrams .....................................................81
Exploded Views & Parts List ..............................SPL-1
Exploded Views ...................................................SPL-2
Mechanical Parts List ........................................SPL-10
Electrical Parts List ...........................................SPL-12
Schematic Diagram & Circuit Boards Diagram .DIA-1
Pin description of diode, transistor and IC ...........DIA-2
Schematic Diagrams ............................................DIA-3
Printed Wiring Board Diagrams ........................DIA-12