Samsung LE32N71B - Troubleshooting: No Picture (Video_CVBS Input)

4 Troubleshooting
4-9
4-2-5 No Picture (Video_CVBS)
Dose the signal appear at
#10 of IC4001?
Check a connection harness.
Yes
Does the signal appear at
Out of IC4001, RA4016~18?
Check a IC515.
Change a main PCB ass'y
Yes
Power Indicator is off.
Lamp on, no picture.
No
Check a A/V cable and video signal.
No
No
Yes
Yes
4
Check a LVDS cable?
Replace a lcd panel?
Please, Call to Samsung Co. LTD.
No
Does the digital data appear
at the output of IC4003
(RA4014,15_1CH,
R4132,33_1CH)?
Check IC4003
Change a main PCB ass'y.
No