Eiki LC-WNS3200, Service Manual

Page: 2 / 71

-2-
Contents
Contents ........................................................................ 2
Safety Precautions ........................................................ 3
Safety ....................................................................... 3
Specifications ................................................................ 4
Circuit Protections ......................................................... 5
How to check Lamp Used Time ................................ 10
Security Function Notice................................................ 11
Mechanical Disassembly ............................................... 12
Main parts ...................................................................... 20
Parts list ......................................................................... 26
Adjustment..................................................................... 27
Adjustment after replacing ........................................ 27
Optical
...................................................................... 27 Adj.
Electrical Adjustment ................................................ 27
Optical adjustment ......................................................... 28
Electrical adjustment ..................................................... 29
Service adjustment menu operation ......................... 29
Circuit adjustment ..................................................... 29
Main board test point ................................................ 33
Chassis View ............................................................ 34
System Control ......................................................... 35
HDMI Control ............................................................ 36
MUC Control ............................................................. 37
Amplifier Control ....................................................... 38
Lamp Control ............................................................ 39
Power Supply and Protection Circuit ........................ 40
Fan Control ............................................................... 41
No power .................................................................. 43
Indicator and projector status ................................... 42
No image .................................................................. 44
No sound .................................................................. 45
IC Block Diagrams ......................................................... 46
Troubleshooting ......................................................... 42
Schematic Diagrams ..................................................... 60
Printed Wiring Board Diagrams ..................................... 69
Chassis Block Diagrams................................................ 34