No Picture (Video_Cvbs) - Samsung LE32N71B Service Manual

4-2-5 No Picture (Video_CVBS)

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