Panasonic PT-EX600U, Service Manual

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Contents
Contents ....................................................................... 2
Safety Instructions ...................................................... 3
Safety precautions ...................................................... 4
Specifications .............................................................. 5
Circuit Protections ...................................................... 7
Fuse(F601) ................................................................. 7
Thermal fuse(SW902) ................................................ 7
Mechanical sensor switches ....................................... 8
Temperature sensors, wind sensors ........................... 9
Power failure and fan lock detection ......................... 10
Maintenance ............................................................... 11
Maintenance ............................................................. 11
Replacing the unit ..................................................... 13
Replacing the lamp unit ............................................ 15
How to check lamp runtime ...................................... 16
Warning message on the non-standard lamp used .. 16
Quick maintenance ................................................... 17
Removing and attaching the projection lens ............. 18
Using the lens antitheft screw ................................... 19
Cleaning ................................................................... 20
Cleaning the projection lens ..................................... 20
Cleaning the projector cabinet .................................. 20
Security Function Notice .......................................... 21
Resetting procedure ................................................. 21
Standby Mode Notice ................................................ 22
Mechanical Disassembly .......................................... 23
Optical Parts Disassembly ....................................... 33
LCD panel type check .............................................. 33
Servicing Notice ........................................................ 39
Note on main board replacement ............................. 39
1.EEPROM data transfer .......................................... 39
2. Adjustment data setting ........................................ 40
Adjustments ............................................................... 41
Adjustments after parts replacement ........................ 41
Optical Adjustments .................................................. 42
1. Optical axis adjustment ........................................ 43
2. Contrast adjustment ............................................. 47
Electrical Adjustments .............................................. 48
Service adjustment menu operation ......................... 48
Circuit adjustments ................................................... 49
Test points and locations .......................................... 53
Service adjustment data .......................................... 54
Troubleshooting ........................................................ 80
Chassis overview ...................................................... 80
No power .................................................................. 81
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 abnormality .......................................... 87
No picture ................................................................. 88
No sound .................................................................. 89
Motor control problems ............................................. 90
Bus control ................................................................ 91
LED drive & RC control ........................................... 92
Indicators and projector condition ............................. 93
If an indicator turns on .............................................. 94
Power failure detection system ................................ 98
Diagnosis of power failure with RS-232C port ........ 103
Serial control interface ............................................ 104
Control Port Functions ........................................... 107
IC Block Diagrams ................................................... 110
Exploded Views & Parts List ..............................SPL-1
Exploded Views ...................................................SPL-2
Mechanical Parts List ........................................SPL-12
Electrical Parts List ...........................................SPL-14
Schematic Diagram & Circuit Boards Diagram .DIA-1
Pin description of diode, transistor and IC ...........DIA-2
Schematic Diagrams ............................................DIA-3
Printed Wiring Board Diagrams ........................DIA-13