Sanyo PLC-WXU300 - IC Block Diagrams; Fan Power Control IC (FA7703) and DDC Control IC (FA7701)

Sanyo PLC-WXU300

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IC Block Diagrams

● FA7701<DDC Control, IC7841>

● FA7703 <Fan Power Control, IC7811>

Component2

Table of Contents

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
- Operating Environment4
- Remote Control4
Specifications4
Circuit Protections5
- Thermal Switch5
- Lamp Cover Switch5
- Fuse5
- Warning Temperature and Power Failure Protection6
Maintenance7
- Cleaning the Air Filter7
- Resetting the Filter Counter7
- Attaching the Lens Cover8
- Cleaning the Projection Lens8
- Cleaning the Projector Cabinet8
Lamp Replacement9
- How to Check Lamp Used Time10
- Warning Message on the Non-Standard Lamp Used10
Security Function Notice11
- Resetting Procedure11
Mechanical Disassembly12
- Cabinet Top, Front, R/C Board Removal12
- Main Board, AV Panel and Fan Removal13
- Speaker(Sp901), Fan (Fn901),Lamp Unit(LP900) and Optical Unit Removal14
- Power Board Removal15
- Mounting Duct, Fan(FN903, FN904, FN905) and Filter Board Removal16
Optical Parts Disassembly17
- Panel Type Check19
- Optical Unit Top Removal21
- Locations and Directions23
Adjustments24
- Adjustments after Parts Replacement24
- White Balance Adjustment24
Optical Adjustments25
- Contrast Adjustment25
- Integrator Lens Adjustment26
- Relay Lens-Out Adjustment27
Electrical Adjustments28
- Service Adjustment Menu Operation28
- Memory IC (IC1391) Replacement28
- Circuit Adjustments29
- Test Points and Locations34
- Service Adjustment Data Table35
Chassis Block Diagrams55
- Chassis over View55
- System Control56
- Lamp Control57
- Audio Circuit58
- Power Supply & Protection Circuit59
- Fan Control Circuit60
- Main Board60
- IIC Bus Control Circuit61
Troubleshooting62
- Indicators and Projector Condition62
- No Power63
- No Picture64
- No Sound65
Control Port Functions66
- Scaler I/O Port Functions (PW39)66
Waveform67
IC Block Diagrams71
Electrical Parts List74
- Electrical Parts Location75
- Electrical Parts List76
Mechanical Parts List95
- Cabinet Parts Location95
- Optical Parts Location96
- Mechanical Parts List100
Diagrams & Drawings103
Parts Description and Reading in Schematic Diagram104
Note on Soldering106

Other manuals for Sanyo PLC-WXU300

Command List1 page

Specifications2 pages

Technical Information1 page

Dimensional Drawing1 page

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