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4-6. No Picture (AV)
Symptom
The LED power turns on but the screen is blank when the Antenna Cable is connected.
-
Even though the LED power turns on, the screen is blank when connecting the Antenna Cable.
-
Check the Antenna Cable connections.
Major
-
checkpoints
Check whether the LVDS cable is connected correctly to the panel.
-
Check whether the lamp connector of the panel is connected correctly to the IP board.
-
Diagnostics
Caution
Make sure to disconnect the power before working on the IP board.
Power Indicator is off.
Lamp on, No signal image.
Yes
④ Does the AV signal appear at
#52pin of IC5002?
Yes
Check a LVDS cable?
Replace lcd panel?
Main Board Front
No
No
No
Please, Call to Samsung Co. LTD.
4. Troubleshooting
check antenna cable
check antenna cable
Change a main PBA
4-13
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