Samsung UN48JS850DF - Troubleshooting; Previous Check

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4-1-1. Previous Check

Check the various cable connections rst.1.

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.2.

How to distinguish if the problem is caused by 3. Main Board or T CON.

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 

48 inch

Power Board

LVDS Cable

Bluetooth/WIFI Combo Module

Main Board

T-CON Board

Panel Connectors

Jog Function

IR Sensor

Speaker

Power Cable

55 inch