15
TPM1.0U LA
5. Service Modes, Error Codes and Fault Finding
3.No picture/LED is green
Check
scaler board U102
pin1=14V,pin4=1.22V,
pin7=16V,pin8
=5V
No
Check power
Yes
Check if
working voltage
U152,pin2=3.3V
pin3=5V
No
Check circuit around
each regulator and
eliminate short and
open situation
Yes
Check if clock
source X350
Replace X350
No
Yes
Check if
RGB,clk,H/V and
DE signal output 128
bits TTL
No
Try to replace
flash Rom
EEPROM
Check
resistors-network
No
Replace bad resistors-
network
Yes
Yes
Replace LVDS cable
Summary of Contents for 37PFL5332D/37
Page 39: ...39 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout ...
Page 40: ...40 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout TOP LEFT ...
Page 41: ...41 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout TOP RIGHT ...
Page 42: ...42 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout BUTTOM LEFT ...
Page 43: ...43 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout BUTTOM RIGHT ...
Page 44: ...44 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 ...
Page 45: ...45 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 TOP LEFT ...
Page 46: ...46 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 TOP RIGHT ...
Page 47: ...47 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 BUTTOM LEFT ...
Page 48: ...48 TPM1 0U LA 7 Circuit Diagrams and PWB Layouts Scaler Board Layout 2 BUTTOM RIGHT ...
Page 99: ...10 31 TPM1 0U LA 99 9 Circuit Descriptions Abbreviations List and IC Data Sheets ...