Panasonic PT-EW630U

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IC Block Diagrams

● NJW1156 <Audio Selector, IC5001>

● THS7347<3-CH Analog SW, IC5231,IC5251, IC5271>

Main Page

Lcd Projector1
Table of Contents2
Contents2
Safety Instructions3
Safety Precautions4
Specifications5
Circuit Protections7
Fuse(F601)7
Thermal Fuse(SW902)7
Mechanical Sensor Switches8
Temperature Sensors, Wind Sensors9
Power Failure and Fan Lock Detection10
Maintenance11
Replacing the Unit13
Lamp Unit14
When to Replace the Lamp Unit14
Replacing the Lamp Unit15
How to Check Lamp Runtime16
Warning Message on the Non-Standard Lamp Used16
Quick Maintenance17
Removing and Attaching the Projection Lens18
Using the Lens Antitheft Screw19
Cleaning20
Cleaning the Projection Lens20
Cleaning the Projector Cabinet20
Security Function Notice21
Resetting Procedure21
Standby Mode Notice22
Mechanical Disassembly23
Optical Parts Disassembly33
LCD Panel Type Check33
Servicing Notice39
Note on Main Board Replacement39
EEPROM Data Transfer39
Adjustment Data Setting40
Adjustments41
Adjustments after Parts Replacement41
Optical Adjustments42
Optical Axis Adjustment43
Condenser Lens Adjustment46
Contrast Adjustment47
Electrical Adjustments48
Service Adjustment Menu Operation48
Circuit Adjustments49
Test Points and Locations53
Service Adjustment Data54
Troubleshooting80
Chassis Overview80
No Power81
No Power (Power Supply)82
No Power (Power Supply)83
No Power (Power Supply)84
No Power (Fan Control)85
No Power (Lamp Control)86
Temperature Abnormality87
No Picture88
No Sound89
Motor Control Problems90
Bus Control91
LED Drive & RC Control92
Indicators and Projector Condition93
If an Indicator Turns on94
Power Failure Detection System98
Power Failure Detection Tree99
Error Log102
Diagnosis of Power Failure with RS-232C Port103
Serial Control Interface104
Basic Format105
Cable Specifications106
Control Commands106
Control Port Functions107
IC Block Diagrams110
Exploded Views & Parts List119
Exploded Views119
Mechanical Parts List130
Electrical Parts List132
Schematic Diagram & Circuit Boards Diagram .DIA-1161
Schematic Diagrams163
Printed Wiring Board Diagrams173

Table of Contents

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