Sanyo PLC-XL51A - IC Block Diagrams

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IC Block Diagrams

● BA7078 <Sync Separator, IC5301>

● AN5870 <Signal Switch, IC5201>

Main Page

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
Specifications4
Circuit Protections5
- Fuse5
- Lamp Cover Switch6
- Thermal Switch6
- Warning Temperature and Power Failure Protection7
Maintenance and Cleaning8
- Cleaning the Air Filter8
- Resetting the Filter Counter8
- Cleaning the Projection Window9
- Cleaning the Projector Cabinet9
- Cleaning10
Lamp Replacement11
- Lamp Replacement Counter Reset12
- How to Check Lamp Used Time13
Security Function Notice and Standby Mode Notice14
- Security Function Disable14
- Standby Mode Notice14
Network Easy Setup Function15
Mechanical Disassemblies19
- Optical Unit Removal30
- Line Filter Board Removal31
- Optical Disassemblies35
Optical Parts Disassembly35
Optical Parts Location and Direction41
Adjustments42
- Adjustments after Parts Replacement42
- Note on Main Board Replacement42
Optical Adjustments43
- Contrast Adjustment43
- Integrator Lens Adjustment44
- Relay Lens-Out Adjustment45
- Projection Lens Focus Adjustment46
Electrical Adjustments48
- Service Adjustment Menu Operation48
- Memory IC (IC1391) Replacement48
- Circuit Adjustments49
- Test Points and Locations52
- Service Adjustment Data Table53
Chassis Block Diagram69
- Chassis over View69
- System Control70
- Lamp Control71
Audio Circuit72
- Power Supply & Protection Circuit73
- Eco-Standby (Sub-CPU)74
- Fan Control Circuit75
- IIC Bus Control Circuit76
- Network (MCI) Circuit77
Troubleshooting78
- Indicators and Projector Condition78
- No Power79
- No Picture80
- No Sound81
Control Port Functions82
- Scaler I/O Port Functions (PW190)82
IC Block Diagrams84
Electrical Parts List88
- Electrical Parts Location89
- Electrical Parts List90
- Mechanical Parts List119
- Mechanical Parts Location119
- Optical Parts Location121
- Mechanical Parts List124
Diagrams & Drawings127
Parts Description and Reading in Schematic Diagram128
Note on Soldering130

Sanyo PLC-XL51A - IC Block Diagrams

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