Read Panasonic PT-TW342 / PT-TX402 / PT-TX312 (serv.man2) Service Manual online
-2-
Contents
Contents ....................................................................... 2
Safety Instructions ...................................................... 3
Safety precautions ...................................................... 4
Specifications .............................................................. 5
Specifications ............................................................. 5
Circuit Protections ...................................................... 7
Thermal switch .......................................................... 7
Lamp cover switch ...................................................... 7
Fuse (F2003) .............................................................. 7
Warning Temperature and Power Off Protection ........ 8
Maintenance ............................................................... 10
Before performing maintenance/replacement .......... 10
Maintenance ............................................................. 10
How to check the lamp runtime ................................ 14
Cleaning ................................................................... 15
Cleaning the projection lens ..................................... 15
Cleaning the projector cabinet .................................. 15
Service information ................................................... 16
Supporting methods ................................................. 16
Repair ....................................................................... 16
Interlock detection .................................................... 16
Security Function Notice .......................................... 17
Resetting procedure ................................................. 17
Standby Mode Notice ................................................ 18
Mechanical Disassembly .......................................... 19
Lighting block Disassembly ..................................... 28
Check Optical block model ....................................... 28
Adjustment ................................................................. 33
Adjustments after parts replacement ........................ 33
Optical adjustment .................................................... 34
Electrical adjustment ................................................ 35
Service adjustment menu operation ......................... 35
Circuit adjustment ..................................................... 36
Test points and locations .......................................... 37
Service adjustment data .......................................... 38
EEPROM data transfer ............................................. 40
Model no. setting ...................................................... 42
Serial no. setting ....................................................... 44
Main CPU Software Update ..................................... 46
Sub CPU Software Update ....................................... 48
Block Diagrams ......................................................... 50
Main board control ................................................... 50
Power control circuit ................................................. 51
Power and protection loop ........................................ 52
Audio control circuit .................................................. 53
Fan control ................................................................ 54
Control block ............................................................. 55
Troubleshooting ........................................................ 56
No power .................................................................. 56
Starting Abnormality ................................................. 57
No picture ................................................................. 58
No audio output ........................................................ 59
Shutdown system ..................................................... 60
Error log .................................................................... 61
Serial control.............................................................. 62
Serial interface .......................................................... 62
Control Port Functions ............................................. 65
Schematic Diagram .............................................DIA-1
1. Schematic Diagram ......................................... DIA-2
2. Circuit Boards Diagram ................................... DIA-5
Parts Location Diagram & Parts List ............ SPL-1
Parts Location Diagram ...................................... SPL-2
Parts list ............................................................ SPL-12
Click on the first or last page to see other PT-TW342 / PT-TX402 / PT-TX312 (serv.man2) service manuals if exist.