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4 Troubleshooting
4-3 No Video (HDMI - Digital Signal)
Power Indicator is off.
Lamp on, no video.
Yes
Check the HDMI source
and check the connection
of HDMI cable?
Yes
Does the signal appear at
R774,775,782,783(CLK),
5
R776~781,R784~789(Data)?
Yes
Does the digital data
appear at output of
6
PIN# 1,2,4,5,7,8,10,11 of
IC1202?
Yes
Does the digital data appear
at output of RA1201~6?
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 the LVDS cable ?
Replace the LCD panel ?
4-4
No
Input an HDMI signal.
Check the connected cable
Check JA701, JA703, HDMI cable.
No
Change the HDMI cable. Change
the main PCB ass'y
No
Check IC1202
Change the main PCB ass'y
No
Check IC1201
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.
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