Panasonic PT-VX500U

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IC Block Diagrams

● PW190 <Scaler, IC301>

● TB6608FNG <IRIS Driver, IC601>

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DRAFT V201206121
- Lcd Projector1
Contents2
- Table of Contents2
Safety Instructions3
- Safety Precautions4
Specifications5
Circuit Protections7
- Thermal Fuse (SW902)7
- Lamp Cover Switch (SW901)7
- Fuse (F601)7
- Warning Temperature and Power Failure Protection8
Maintenance9
- Replacing the Unit9
- Replacing the Lamp Unit12
- How to Check Lamp Runtime13
- Warning Message on the Non-Standard Lamp Used13
- Cleaning14
- Cleaning the Projection Lens14
- Cleaning the Projector Cabinet14
Security Function Notice15
- Resetting Procedure15
Standby Mode Notice16
Mechanical Disassembly17
- Mechanical Disassembling Flow Chart17
  - Cabinet Top Removal19
  - Power Box Assy Removal25
Optical Parts Disassembly30
- LCD Panel Type Check30
Servicing Notice35
- Note on the MAIN Board Replacement35
- 1 EEPROM Data Transfer35
- 2 Adjustment Data Setting36
- 3 EDID IC Replacement36
Adjustments37
Optical Adjustments38
- Contrast Adjustment38
- Optical Center Adjustment39
Electrical Adjustments40
- Service Adjustment Menu Operation40
- Circuit Adjustments41
- Test Points and Locations44
- Service Adjustment Data45
Chassis Block Diagrams66
- Chassis over View66
- System Control67
- Lamp Control68
- Audio Circuit69
- Power Supply & Protection Circuit70
- Fan Control Circuit71
Troubleshooting72
- Indicators and Projector Condition72
- No Power73
- No Picture74
- No Sound75
Serial Control76
- Serial Terminal76
Control Port Functions79
- Scaler I/O Port Functions (PW190)79
IC Block Diagrams81
Exploded Views & Parts List87
Exploded Views87
Mechanical Parts List96
Electrical Parts List98
Schematic Diagram & Circuit Boards Diagram .DIA-1117
- Pin Description of Diode, Transistor and IC118
Schematic Diagrams119
Printed Wiring Board Diagrams126

Panasonic PT-VX500U

Table of Contents

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