-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
Fuse ............................................................................ 5
Thermal protectors (SW902) ......................................
5
Mechanical sensor switches (SW901, SW1891) ........ 6
Temperature sensors, wind sensors .......................... 7
Power failure and fan lock detection .......................... 8
Maintenance .................................................................. 9
Replacing the Filter Cartridge .................................... 9
Lamp Replacement .................................................. 11
How to check Lamp Used Time ............................... 12
Quick maintenance ................................................... 13
Lens Installation ....................................................... 14
Using the Lens Antitheft screw ................................. 15
Cleaning ................................................................... 16
Cleaning the Projection Lens ................................... 16
Cleaning the Projector Cabinet ................................ 16
Security Function Notice ............................................. 17
Mechanical Disassembly............................................. 18
Optical Parts Disassembly .......................................... 27
Adjustments ................................................................. 33
Adjustments after Parts Replacement ...................... 33
Note on Main Board Replacement ........................... 33
Service Adjustment Menu Operation ....................... 34
Optical Adjustment ...................................................... 35
1. Optical axis adjustment ........................................ 36
2. Contrast adjustment .............................................
40
Electrical Adjustments ................................................. 41
Circuit Adjustments .................................................. 41
Test Points and Locations ........................................ 45
Service Adjustment Data Table ................................ 46
Troubleshooting ........................................................... 64
Chassis over view ..................................................... 64
No Power .................................................................. 65
No Power (Power supply) ......................................... 66
No Power (Power supply) ......................................... 67
No Power (Fan control) ............................................ 68
No Power (Lamp control) ......................................... 69
Temperature Abnormality ......................................... 70
No Picture ................................................................. 71
No Sound .................................................................. 72
Motor control problems ............................................. 73
Bus control................................................................ 74
LED drive & RC control ........................................... 75
Indicators and Projector Condition ........................... 76
Power failure detection system ................................ 79
Diagnosis of Power Failure with RS-232C port ........
83
Serial Control Interface ............................................. 84
Control Port Functions................................................. 86
IC Block Diagrams....................................................... 89
Parts Location Diagrams ............................................. 99
Mechanical Parts List ................................................ 108
Electrical Parts List .....................................................110
Diagrams & Drawings .................................................. A1
Parts description and reading in schematic diagram ..A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams ................................. A13
Pin description of diode, transistor and IC ................ A17
Note on Soldering ...................................................... A18
To Next Page
Loading...
Need help?
General
Weight and Dimensions
