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4 Troubleshooting
4-2 No Video (Analog PC Signal)
Power Indicator is off.
Lamp on, no video
Yes
Check a PC source and
check the connection of
DSUB?
Yes
Does the signal appear at
#30,#22,#38,#41,#42
1
(R,G,B,H,V) of IC901?
Yes
Does the digital data appear at
2
output of R1034~7, R1039?
Yes
Does the digital data
appear at output of
3
R1010~5, R1024~7?
Yes
Check a LVDS cable?
Replace a LCD panel?
4-2
No
Input a analog PC signal.
Check a connected cable.
Check JA801, PC cable.
No
Change a PC cable. Change a main
PCB ass'y
No
Check IC901
Change a main PCB ass'y
No
Check IC1002
Change a main PCB ass'y
No
Please, Call to Samsung Co. LTD
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