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Contents
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
Air filter care and cleaning ..........................................
6
Lamp Replacement ....................................................... 7
Lamp replacement ...................................................... 7
How to reset Lamp Replace Counter .........................
7
How to check Lamp used time ....................................
7
Mechanical Disassembly ...............................................
8
Optical Parts Disassembly ...........................................
12
Adjustments ................................................................. 17
Turning On the Projector ...........................................
17
Adjustments after Parts Replacement ......................
17
Electrical Adjustments .................................................
21
Service Adjustment Menu Operation ........................
21
Memory IC (IC1371) Replacement ...........................
21
Circuit Adjustments ................................................... 22
Test Points and Locations .........................................
26
Service Adjustment Data Table .................................
27
Chassis Block Diagrams ..............................................
38
Chassis over view .....................................................
38
System control .......................................................... 39
Power supply & protection circuit ..............................
40
Fan control circuit .....................................................
41
Troubleshooting ...........................................................
42
Indicators and Projector Condition ........................... 42
No Power ..................................................................
43
No Picture ................................................................. 44
No Sound .................................................................. 45
Control Port Functions .................................................
46
System Control I/O Port Functions (IC301) ..............
46
I/O Expander Port Functions (IC1801) .................... 47
IIC Bus DA Converter Port Functions
(IC3531) ....... 47
Waveform ....................................................................
48
Cleaning ...................................................................... 49
IC Block Diagrams .......................................................
50
Electrical Parts Lis
t ...................................................... 56
Electrical Parts Location ...........................................
57
Electrical Parts L
ist ................................................... 58
Mechanical Parts List ..................................................
76
Cabinet Parts Location .............................................
76
Optical Parts Location ..............................................
77
Mechanical Parts List ............................................... 81
Diagrams & Drawings ..................................................
A1
Parts description and reading in schematic diagram ...
A2
Schematic Diagrams .............................................
A3-A8
Printed Wiring Board Diagrams ...........................
A9-A12
Pin description of diode, transistor and IC .................
A13
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