16
TPM1.0U LA
5. Service Modes, Error Codes and Fault Finding
5.3 Repair Flow Chart
1.No work/LED is off
Check if
power switch is
normal
No
Replace Power switch
Yes
Check
IR board CN001
pin1=0V,pin2=3.7V,
pin3=3V,pin4=2.85V
,pin5=5V,pin6
=3.3V
Check IR board
Yes
Check scaler board U102
pin1=14V,pin4=1.22V,
pin7=16V,pin8=5V,
No
2.No raster/picture too
dim
Check
Inverter board
CN852,pin1=16V,
pin5=0.9V,pin6
=3V
No
Check Scaler board
Yes
Check
Inverter board
U811 pin2=5V,Q821
pin=5,6=16V
Check U811,Q821
Yes
Check scaler board
No
Содержание 19PFL5402D/27
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Страница 43: ...41 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout Top Side Part 1 ...
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Страница 45: ...43 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout Top Side Part 3 ...
Страница 46: ...44 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout Top Side Part 4 ...
Страница 88: ...PIN ASSIGNMENT MT5372 MT5371 9 Circuit Descriptions Abbreviations List and IC Data Sheets 86 TPM1 0U LA ...
Страница 89: ...10 31 TPM1 0U LA 87 9 Circuit Descriptions Abbreviations List and IC Data Sheets ...
Страница 141: ...39 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout ...
Страница 142: ...40 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout TOP LEFT ...
Страница 143: ...41 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout TOP RIGHT ...
Страница 144: ...42 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout BUTTOM LEFT ...
Страница 145: ...43 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout BUTTOM RIGHT ...
Страница 146: ...44 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 ...
Страница 147: ...45 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 TOP LEFT ...
Страница 148: ...46 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 TOP RIGHT ...
Страница 149: ...47 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 BUTTOM LEFT ...
Страница 150: ...48 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 BUTTOM RIGHT ...
Страница 190: ...PIN ASSIGNMENT MT5372 MT5371 88 TPM1 0U LA 9 Circuit Descriptions Abbreviations List and IC Data Sheets ...
Страница 191: ...89 TPM1 0U LA 9 Circuit Descriptions Abbreviations List and IC Data Sheets ...