Sanyo PLC-XU350 - Page 64

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IC Block Diagrams

● HIN202EIB <RS-232C Driver, IC3801>

● L3E06170 <D/A, S/H-LCD Driver, IC501, IC531, IC561>

Main Page

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
- Function Description11
- Resetting Procedure11
Security Function Notice11
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 Directions22
Adjustments23
- Adjustments after Parts Replacement23
Optical Adjustments24
- Contrast Adjustment24
- Integrator Lens Adjustment25
- Relay Lens-Out Adjustment26
Electrical Adjustments27
- Service Adjustment Menu Operation27
- Memory IC (IC1371) Replacement27
- Circuit Adjustments28
  - Output Voltage Adjustment29
  - Common Center Adjustment31
- Test Points and Locations33
- Service Adjustment Data Table34
Chassis Block Diagrams51
- Chassis over View51
- System Control52
- Lamp Control53
- Audio Circuit54
- Power Supply & Protection Circuit55
- Fan Control Circuit56
Troubleshooting57
- Indicators and Projector Condition57
- No Power58
- No Picture59
- No Sound60
Control Port Functions61
- Scaler I/O Port Functions (PW190)61
Waveform62
Electrical Parts List69
- Electrical Parts Location70
- Electrical Parts List71
Mechanical Parts List88
- Cabinet Parts Location88
- Optical Parts Location89
- Mechanical Parts List93
Diagrams & Drawings95
Parts Description and Reading in Schematic Diagram96
Schematic Diagrams97
Printed Wiring Board Diagrams105
Pin Description of Diode, Transistor and IC109
Note on Soldering110

Sanyo PLC-XU350 - Page 64

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