Troubleshooting; Previous Check - Samsung UN48JS8500F Service Manual

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.
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Check to see if there is a disconnected or loose cable connection.
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Check to see if the cables are connected according to the connection diagram.
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2. Check the power input to the Main Board.
3. How to distinguish if the problem is caused by
No Video
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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
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Check the inner patterns.
Check list for initial operation
„
48 inch
Main Board
Jog Function
IR Sensor
55 inch
Main Board
Jog Function
IR Sensor
Main Board or T CON.
T-CON Board
Power Board
Power Cable
LVDS Cable
Speaker
Bluetooth/WIFI Combo Module
T-CON Board
Power Board
Power Cable
LVDS Cable
Speaker
Bluetooth/WIFI Combo Module
Panel Connectors
Panel Connectors
4. Troubleshooting
4-1