Samsung LS26A33W Service Manual page 34

5 Troubleshooting
5-2 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
1 #54, 48, 43 (R, G, B) of
IC101?
Yes
Does the digital data
appear at output of
2
RA101~RA104, RA106,
RA107 ?
Yes
Does the digital data
appear at output of RA605,
3
RA606, RA608, RA611,
RA613, RA615?
Yes
Does the digital data
appear at
4
output of RA512, RA514,
RA516,RA518, RA520,
RA521?
Yes
Does the digital data
appear at
5
output of FT516~FT520?
Yes
Check a LVDS cable?
Replace a lcd panel?
(BN07-00121A)
5-2
No
Input a analog PC signal and
connected cable.
Check IC101, PC cable. Change a PC
No
cable. Change a main PCB ass'y
(BN41-00482C).
Check a IC101.
No
Change a main PCB ass'y
(BN41-00482C).
Check a IC602, IC601.
No
Change a main PCB ass'y
(BN41-00482C).
Check a IC501.
No
Change a main PCB ass'y
(BN41-00482C).
Check a IC515.
No
Change a main PCB ass'y
(BN41-00482C).
No
Please, Call to Samsung Co. LTD.
LT-P266W