Samsung UN55KS9500F - Picture; Previous Check

4. Troubleshooting
4-1. Previous Check
Check list for initial operation 
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 Main Board or T-CON Board.3.
No Video -
Symptom
If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster
than nomal booting.
Check Points Replace the T-CON Board.•
Distorted Picture : -
Check Points Check the inner patterns.•
Inside View 
ASSY PCB MAIN
DC VSS-PD
BOARD
NETWORK
ASSY BOARD P-FUNCTION
ASSY SPEAKER P (L)
ASSY SPEAKER (Woofer)
ASSY SPEAKER P (R)
4-1
4. Troubleshooting