PT-EX12KU, PT-EX12KE - Panasonic Projector Service Manual (repair manual). Page 2

Read Panasonic PT-EX12KU / PT-EX12KE Service Manual online

-2-
Contents
Contents ........................................................................ 2
Safety Instructions ......................................................... 3
Specifications ................................................................ 5
Circuit Protections ....................................................... 10
Fuses (F2601, F2602) ................................................... 10
Thermal fuses (SW903, SW904) .................................. 11
Mechanical sensor switches (SW6581) ........................ 12
Temperature sensors, wind sensors ............................. 13
Power failure, fan lock and filter error detection ............ 14
Maintenance ................................................................ 15
Maintenance .................................................................. 15
Replacing the unit.......................................................... 18
Air filter unit ................................................................... 18
Lamp unit ....................................................................... 19
Quick maintenance .......................................................23
Cleaning the optical parts..............................................24
Security Function Notice ............................................. 25
Lens Mounting ............................................................. 26
Mechanical Disassembly............................................. 34
Mechanical disassembly flow chart...............................34
Mechanical disassembly ...............................................35
Optical Parts Disassembly .......................................... 51
Order of optical parts disassembly ................................ 51
Servicing Notice .......................................................... 64
Note on main board replacement ..................................64
1. EEPROM data transfer ..............................................64
Serial number setting ....................................................64
Model no. setting ...........................................................64
2. Adjustment data setting .............................................65
Adjustments ................................................................. 66
Adjustments after Parts Replacement ...........................66
Optical Adjustments .................................................... 67
Optical adjustment location ...........................................67
Before adjustment .........................................................68
1. Optical center adjustment ..........................................70
2. PBS adjustment ......................................................... 74
3. Contrast adjustment ..................................................75
4. Back focus adjustment ..............................................76
5. Convergence adjustment ..........................................77
Adjustment tool installation ...........................................78
Adjustment tool removal ................................................79
Adjustment ....................................................................80
Electrical Adjustments ................................................. 81
Service adjustment menu operation .............................81
Circuit adjustments ........................................................82
Test points and locations ...............................................86
Service adjustment data ................................................87
Chassis Description .................................................. 159
Chassis over view........................................................ 159
Boards connection ......................................................160
Troubleshooting ......................................................... 161
No picture .................................................................... 161
No power .....................................................................165
Power supplies to boards ............................................166
LINE FILTER, POWER(AC) board .............................. 167
PFC board ...................................................................168
Power supply and power fail detection ........................169
Power drive and power failure signals ......................... 172
Fan control................................................................... 173
Motor control system ................................................... 174
Temperature abnormality ............................................ 175
Lamp abnormality ........................................................ 176
Lamp control system ................................................... 177
Power failure detection system ................................... 178
Error history log ........................................................... 179
Diagnosis of power failure with serial port ...................180
Indicators and projector condition ............................... 181
Serial Control ............................................................. 185
Serial control interfaces ...............................................185
Control Port Functions............................................... 188
IC Block Diagrams..................................................... 191
Exploded Views & Parts List ..................................SPL-1
Exploded Views ..................................................... SPL-2
Parts List .............................................................. SPL-17
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
Page of 127
Display

Click on the first or last page to see other PT-EX12KU / PT-EX12KE service manuals if exist.