Samsung LE26A41B - Page 57

5 Troubleshooting
LE26A41B/LE32A41B 5-9
5-5 No Picture (Video_CVBS)
Dose the signal
appear at #6 of IC202?
Check a connection harness.
Yes
Does the signal appear at
#72 (Y), #71 (C) of IC201?
Check a IC202.
Change a main PCB ass'y
(BN96-00549A).
Yes
Does the digital data
appear at output of
RA201, 202 (Y),
RA203, 204 (C)?
Check a IC201 and IC902.
Change a main PCB ass'y
(BN96-00549A).
Yes
Does the digital data
appear at output of
RA408, 409 (Y),
RA416, 417(C)?
Check a IC405 and IC406.
Change a main PCB ass'y
(BN96-00549A).
Yes
Does the digital data
appear at output of RA605,
RA606, RA608, RA611, RA613,
RA615?
Check a IC601, IC602.
Change a main PCB ass'y
(BN96-00549A).
Yes
Does the digital data appear at
output of RA512, RA514,
RA516,RA518,
RA520, RA521?
Check a IC501.
Change a main PCB ass'y
(BN96-00549A).
Yes
Does the digital data appear at
output of FT516~FT520?
Check a IC515.
Change a main PCB ass'y
(BN96-00549A).
Yes
Power Indicator is off.
Lamp on, no picure.
No
Check a A/V cable and video signal.
(BN39-00057A).
No
No
No
No
No
No
No
Yes
Check a LVDS cable?
Replacea lcd panel?
(BN07-00121A)
Please, Call to Samsung Co. LTD.
No
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