Sanyo PLC-XL50 - Page 83

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● L3E07110 <LCD Driver & Gamma Correction, IC401>

● L3E06150 <D/A, S/H-LCD Driver, IC501, IC531, IC561>

- 83 -

IC Block disgrams

Main Page

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
- Battery Replacement Notice3
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 Counter12
- Lamp Handling Precautions12
- How to Check Lamp Used Time13
Security Function Notice14
- Security Function Disable14
- Antitheft Alarm Function Disable14
Mechanical Disassemblies15
- Optical Disassemblies30
- Optical Parts Location and Direction36
Adjustments37
- Adjustments after Parts Replacement37
Optical Adjustments38
- Contrast Adjustment38
- Integrator Lens Adjustment39
- Relay Lens-Out Adjustment40
- Projection Lens Focus Adjustment41
- Electrical Adjustments43
- Service Adjustment Menu Operation43
- Circuit Adjustments44
  - Common Center Adjustment47
  - Note on White Uniformity Adjustment48
- Test Points and Locations49
- Service Adjustment Data Table50
Chassis Block Diagram66
- Chassis over View66
- System Control67
- Lamp Control68
- Audio Circuit69
- Power Supply & Protection Circuit70
- Fan Control Circuit71
- Alarm Circuit72
IIC Bus Control Circuit73
Troubleshooting74
- Indicators and Projector Condition74
- No Power75
- No Picture76
- No Sound77
Control Port Functions78
- Scaler I/O Port Functions (PW190)78
- IIC Bus D/A Converter Port Functions (M6334)79
Waveform80
IC Block Diagrams81
Electrical Parts List87
- Electrical Parts Location88
- Electrical Parts List89
Mechanical Parts List104
- Cabinet Parts Location104
- Mechanical Parts List109
Diagrams & Drawings113
Parts Description and Reading in Schematic Diagram114
Schematic Diagrams115
Printed Wiring Board Diagrams121
Pin Description of Diode, Transistor and IC125
Note on Soldering126

Sanyo PLC-XL50 - Page 83

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