Sanyo PLC-XP200L - Page 95

Sanyo PLC-XP200L

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-95-

IC Block Diagrams

● PW610 <Keystone, IC2301>

● TE7783<I/O Expander, IC4801

Table of Contents

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
Specifications4
Circuit Protections5
- Fuse5
- Thermal Protector (SW905)5
- Mechanical Sensor Switches (SW1891,SW1861)6
- Temperature Sensors, Wind Sensors7
- Power Failure and Fan Lock Detection8
Maintenance9
- Replacing the Filter Cartridge9
- Resetting the Filter Counter10
- Resetting the Scroll Counter10
- Lamp Replacement11
- Resetting the Lamp Counter12
- How to Check Lamp Used Time12
- Cleaning13
- Quick Maintenance14
Security Function Notice15
Mechanical Disassembly16
- Mechanical Disassembly Flow Chart16
- Mechanical Disassembly17
Optical Parts Disassembly29
Focus Adjustment32
Adjustments40
- Adjustments after Parts Replacement40
- Note on Main Board Replacement40
Optical Adjustments41
- Contrast Adjustment41
Electrical Adjustments42
- Service Adjustment Menu Operation42
- Memory IC (IC1387) Replacement42
- Circuit Adjustments43
- Test Points and Locations46
- Service Adjustment Data Table47
- Electrical Adjustment48
Chassis Description65
- Chassis over View65
- Input & Signal Processing Stage66
- LCD Drive Stage67
- Lamp Control Stage68
- Fan Control Stage69
- Motor Control Stage70
- Bus Control Stage71
- LED Drive & RC Control Stage72
- Power Supply & Power Failure Circuit73
- Indicators and Projector Condition74
- Power Failure Detection System77
- Error Information Table77
- Power Failure Detection Tree78
- Error History Log80
- Diagnosis of Power Failure with RS-3C Port81
- Diagnosis Procedure81
- Serial Control Interface82
- Status Read Command83
Control Port Functions84
- System Control I/O Port Functions (PW39, IC301)84
- I/O Expander (TE7783, IC4801)85
- Fpga (Xc3S50A, Ic501)86
- IIC Bus D/A Converter86
- Ic7801)86
Waveform87
IC Block Diagrams88
Electrical Parts List96
- Electrical Parts Location97
- Electrical Parts List99
Mechanical Parts List131
- Cabinet Parts Location131
- Mechanical Parts List137
Diagrams & Drawings139
Parts Description and Reading in Schematic Diagram140
Note on Soldering142

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