No Picture(Component1, 2 : 480I, 480P, 720P, 1080I[ Y, Pb, Pr]) - Samsung LN-T325H Service Manual

4-8 No Picture(Component1, 2 : 480i, 480p, 720p, 1080i[ Y, Pb, Pr] )
Power Indicator is off.
Lamp on, no picture.
Yes
Check component source and
check the connection of
component cable ?
Yes
Does the signal appear at
C1232,C1223,C1236 (Y, Pb, Pr
10
for comp1),C1247, C1240, C1249
(Y, Pb, Pr for comp2)?
Yes
Does the digital data appear
at output of RA200~5,
R288,R290,R294?
Yes
Does the digital data appear
at output of R1325,1327~30,
1332,1335,1337,1339,
1341,1343,1346?
Yes
Check a LVDS cable?
Replace a LCD panel?
No
Input a component signal.
Check the connected cable.
No
Check JA801,JA803
Change the main PCB ASS`Y
No
Check IC202
Change the main PCB ass'y
No
Check IC1301
Change the main PCB ass'y
No
Please, call to Samsung Co. LTD.
4 Troubleshooting
4-13