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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

1.
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.
-
2.
Check the power input to the Main Board.
3.
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
Speaker
Panel Connectors
4. Troubleshooting
4-1

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