Product specifications

4-9

4. Troubleshooting

4-1-5. No Picture (Video_CVBS) (SX1)

Symptom Audio is normal but no picture is displayed on the screen. -

Major

checkpoints

Check the Video Source -

Check the M-star -

This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. -

Diagnostics

Check a connection harness.

Power Indicator is off.

Lamp on, no picture.

Yes

Does the signal appear at

C507, C509 of IC1102?

Check a LVDS cable ?

Replcelcd panel?

Please, Call to Samsung Co. LTD.

Yes

Check a A/V cable and video signal.

Yes

Caution Make sure to disconnect the power before working on the IP board.