Sanyo PLC-XE50, Service Manual

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Contents
SERVICE MANUAL ................................................................................. 1
Contents ..................................................................................................
Safety Instructions ............................................................................... 3
Safety Precautions ............................................................................ 3
Product Safety Notice ..................................................................... 3
Service Personnel Warning ........................................................... 3
Battery Replacement Notice......................................................... 3
Specifications ......................................................................................... 4
Circuit Protections ................................................................................ 5
Fuse........................................................................................................ 5
Lamp cover switch ........................................................................... 6
Thermal switch .................................................................................. 6
Warning temperature and power failure protection ........... 7
Maintenance and Cleaning ............................................................... 8
Cleaning the Air Filter ..................................................................... 8
Resetting the Filter Counter ......................................................... 8
Cleaning the Projector Window .................................................. 9
Cleaning .............................................................................................10
Lamp Replacement ............................................................................11
Lamp Replacement Counter ......................................................1
How to check Lamp Used Time .................................................13
Security Function Notice .................................................................14
Security Function Disable ............................................................14
Antitheft Alarm Function Disable .............................................14
Mechanical Disassembly..................................................................15
Optical Parts Disassembly ...............................................................8
Adjustments .........................................................................................35
Adjustments after Parts Replacement ....................................35
Optical Adjustments .........................................................................36
Contrast adjustment......................................................................36
Integrator lens adjustment .........................................................37
Relay lens-Out adjustment .........................................................38
Projection Lens focus adjustment ............................................39
Electrical Adjustments ..................................................................41
Service Adjustment Menu Operation .....................................41
Circuit Adjustments .......................................................................4
Test Points and Locations ............................................................47
Service Adjustment Data Table .................................................48
Chassis Block Diagram ......................................................................64
Chassis over view ............................................................................64
System control .................................................................................65
Lamp control ....................................................................................66
Audio circuit .....................................................................................67
Power supply & protection circuit ............................................68
Fan control circuit ...........................................................................69
Alarm circuit .....................................................................................70
IIC bus control circuit ....................................................................71
Troubleshooting .................................................................................7
Indicators and Projector Condition ..........................................7
No Power ...........................................................................................73
No Picture ..........................................................................................74
No Sound ...........................................................................................75
Control Port Functions .....................................................................76
Scaler I/O Port Functions (PW190) ...........................................76
IIC Bus D/A Converter Port Functions (M6334) .................77
Waveform ..............................................................................................78
IC Block Diagrams...............................................................................79
Electrical Parts List .............................................................................85
Electrical Parts Location ...............................................................86
Electrical Parts List ..........................................................................87
Mechanical Parts List ...................................................................... 104
Cabinet Parts Location ............................................................... 104
Mechanical Parts List .................................................................. 108
Diagrams & Drawings ...................................................................... A1
Parts description and reading in schematic diagram .......... A
Schematic Diagrams ........................................................................ A3
Printed Wiring Board Diagrams .................................................... A9
Pin description of diode, transistor and IC .............................A13
Note on Soldering ...........................................................................A14