Contents
SERVICE MANUAL ................................................................................. 1
Contents ..................................................................................................
Safety Instructions ............................................................................... 3
Safety Precautions ............................................................................ 3
Specifications ......................................................................................... 4
Circuit Protections ................................................................................ 5
Fuse........................................................................................................ 5
Lamp cover switch ........................................................................... 6
Thermal switch .................................................................................. 6
Cleaning .............................................................................................10
Lamp Replacement ............................................................................11
Optical Parts Disassembly ...............................................................8
Adjustments .........................................................................................35
Optical Adjustments .........................................................................36
Chassis over view ............................................................................64
System control .................................................................................65
Lamp control ....................................................................................66
Audio circuit .....................................................................................67
Fan control circuit ...........................................................................69
Alarm circuit .....................................................................................70
Troubleshooting .................................................................................7
No Power ...........................................................................................73
No Picture ..........................................................................................74
No Sound ...........................................................................................75
Waveform ..............................................................................................78
IC Block Diagrams...............................................................................79
Schematic Diagrams ........................................................................ A3
Note on Soldering ...........................................................................A14
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