Sanyo PLC-XP100L - Page 90

Sanyo PLC-XP100L

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-90-

IC Block Diagrams

● FA7701

<Switching Controller, IC6606, IC7701, IC7721, IC7741,IC7741, IC7761, IC7821, IC7841, IC7861>

● M62393 <DAC, IC7801>

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
- Fuse5
- Thermostat (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
- Function Description15
- Resetting Procedure15
Security Function Notice15
Mechanical Disassembly16
- Mechanical Disassembly Flow Chart16
- Mechanical Disassembly17
Optical Parts Disassembly28
Focus Adjustment32
Adjustments38
- Adjustments after Parts Replacement38
- Note on the Main Board Replacement38
Optical Adjustments39
- Contrast Adjustment39
Electrical Adjustments40
- Service Adjustment Menu Operation40
- Memory IC (IC301, IC80) Replacement40
- Circuit Adjustments41
- Common Center Adjustment42
- Test Points and Locations44
  - Main Board44
  - Electrical Adjustment45
- Service Adjustment Data Table45
Chassis Description64
- Chassis over View64
- Input & Signal Processing Stage65
- LCD Drive Stage66
- Lamp Control Stage67
- Fan Control Stage68
- Motor Control Stage69
- Bus Control Stage70
- LED Drive & RC Control Stage71
- Power Supply & Power Failure Circuit72
- Indicators and Projector Condition73
- Power Failure Detection System75
- Error Information Table75
- Power Failure Detection Tree76
- Error History Log77
- Diagnosis of Power Failure with RS-3C Port78
- Diagnosis Procedure78
- Serial Control Interface79
- Functional Execution Command Table80
Control Port Functions81
- System Control I/O Port Functions (SH777)81
- Parallel I/O Expander (TIC8159GP)81
- IIC Bus 8Bits 8Ch 5V D/A Converter83
- Fan Control)83
- Parallel Output Expander (74LCX574)83
Waveform84
IC Block Diagrams85
Electrical Parts List96
- Electrical Parts Location97
- Electrical Parts List99
Mechanical Parts List131
- Cabinet Parts Location131
- Mechanical Parts List136
Diagrams & Drawings139
Parts Description and Reading in Schematic Diagram140
Note on Soldering142

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