-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
Lamp cover switch ...................................................... 5
Fuse ............................................................................ 5
Warning temperature and power failure protection ..... 6
Maintenance .................................................................. 7
Cleaning the Filter ...................................................... 7
Resetting the Filter Counter ........................................ 7
Attaching the Lens Cap .............................................. 8
Cleaning the Projection Lens ...................................... 8
Cleaning the Projector Cabinet ................................... 8
Lamp Replacement .................................................... 9
Resetting the Lamp Counter ..................................... 10
How to check Lamp Used Time ................................ 10
Cleaning ................................................................... 11
Security Function Notice.............................................. 12
Security Function Disable ......................................... 12
Standby mode Notice .................................................. 13
Mechanical Disassembly ............................................. 14
Optical Parts Disassembly ........................................... 18
Adjustments ................................................................. 24
Adjustments after Parts Replacement ...................... 24
Optical Adjustments ..................................................... 25
Contrast adjustment.................................................. 25
Integrator lens adjustment ........................................ 26
Relay lens-Out adjustment ....................................... 27
Electrical Adjustments ................................................. 28
Service Adjustment Menu Operation ........................ 28
Memory IC (IC1371) Replacement ........................... 28
Circuit Adjustments ................................................... 29
Test Points and Locations ......................................... 33
Service Adjustment Data Table ................................. 34
Chassis Block Diagrams .............................................. 51
Chassis over view ..................................................... 51
System control .......................................................... 52
Lamp control ............................................................. 53
Audio circuit .............................................................. 54
Power supply & protection circuit .............................. 55
Fan control circuit ..................................................... 56
IIC bus control circuit ................................................ 57
Network (MCI) circuit ................................................ 58
Troubleshooting ........................................................... 59
Indicators and Projector Condition ........................... 59
No Power .................................................................. 60
No Picture ................................................................. 61
No Sound .................................................................. 62
Control Port Functions ................................................. 63
Scaler I/O Port Functions (PW190) .......................... 63
I/O Expander Port Functions (TE7783) ................... 64
IC Block Diagrams ....................................................... 65
Electrical Parts List ...................................................... 69
Electrical Parts Location ........................................... 70
Electrical Parts List ................................................... 71
Mechanical Parts List .................................................. 98
Cabinet Parts Location ............................................. 98
Optical Parts Location .............................................. 99
Mechanical Parts List ............................................. 103
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram ...A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams .................................A11
Pin description of diode, transistor and IC .................A15
Note on Soldering ......................................................A16
To Next Page
Loading...
Need help?
General
