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Troubleshooting; Previous Check - Samsung UN50JU7100F Service Manual

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4. Troubleshooting

4-1. Troubleshooting

4-1-1. Previous Check

Check the various cable connections first.
Check to see if there is a burnt or damaged cable.
Check to see if there is a disconnected or loose cable connection.
Check to see if the cables are connected according to the connection diagram.
Check the power input to the Main Board.
How to distinguish if the problem is caused by
No Video
If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster than nomal booting,
replace the T-CON board.
Distorted Picture
Check the inner patterns.
Check list for initial operation
40 / 55 / 65 inch
Bluetooth/WIFI Combo Module
Main Board
Jog Function
IR Sensor
Main Board or T CON.
Power Board
Power Cable
LVDS Cable
T-CON Board
Panel Connectors
4. Troubleshooting


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