Service manual

CONFIDENTIAL – DO NOT COPY
Page10-6
File No. SG-0174
2
Check component 1
(Pb signal) ÎC259
Is there sync?
No
Is picture on screen?
No
Trace componect 1 from
Input To U13 circuit
Check R196,R198
Use GProbe connect
from main to PC.
Does scaler detect the signal?
Yes
No
U13 fail
BLOCK 1
PDP DISPLAY NOTHING(Analog HD1 without Pb signal)
Check component 1
(Pr signal) ÎC264
Is there sync?
No
Is picture on screen?
No
Trace componect 1 from
Input To U13 circuit
Check R204,R201
Use GProbe connect
from main to PC.
Does scaler detect the signal?
Yes
No
U13 fail
BLOCK 1
PDP DISPLAY NOTHING(Analog HD1 without Pr signal)
Check component 1
(Y signal) =>C255
Is there sync?
No
Is picture on screen?
No
Trace componect 1 from
Input To U10 circuit
Check R193,R191
Use GProbe connect
from main to PC.
Does scaler detect the signal?
Yes
No
U10 fail
BLOCK 1
PDP DISPLAY NOTHING(Analog HD1 on PIP mode without Y signal)