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4-1-5. No Picture (Video_CVBS)
Symptom
Audio is normal but no picture is displayed on the screen.
-
Check the Video Source
-
Major
Check the SDP84(ARSENAL)
-
checkpoints
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
Diagnostics
1
2
Caution
Make sure to disconnect the power before working on the IP board.
2
1
Power Indicator is off.
Lamp on, no picture.
Yes
Does the signal appear at C6067 of
IC6001?
Yes
Does the digital data appear at the
output of LVDS (RA7062~RA7067)?
Yes
Check a LVDS cable?
Replace lcd panel?
No
Check a A/V cable and video signal.
No
Check a connection harness.
No
Check a IC6001
Change a main PCB ass'y
No
Please, Contact Tech support.
4. Troubleshooting
4-9
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