Samsung LE26A41B Service Manual page 52

5 Troubleshooting
5-3 No Video (DVI-Digital Signal)
Power Indicator is off.
Lamp on, no video.
Yes
Check the connectionn
of DVI-D cable?
Yes
Does the digital data appear
6
at #80, #81, #85, #86, #90~#94
of IC102(Data, Clk +/-)?
Yes
Does the digital data
appear at output of
7
RA111~RA112,
RA123~RA126?
Yes
Does the digital data
appear at output of
3
RA605~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?
Replacea lcd panel?
(BN07-00121A)
5-4
No
Input a DVI-D cable.
No
Check a DVI-D cable.
Check a IC102
No
Change a main PCB ass'y
(BN94-00549A).
Check a IC602, IC601.
No
Change a main PCB ass'y
(BN94-00549A).
Check a IC501.
No
Change a main PCB ass'y
(BN94-00549A).
Check a IC515.
No
Change a main PCB ass'y
(BN94-00549A).
No
Please, Call to Samsung Co. LTD.
LE26A41B/LE32A41B