Troubleshooting; Previous Check - Samsung UE49KS9000T Service Manual

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4. Troubleshooting

4-1. Previous Check

Check list for initial operation
Check the various cable connections first.
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
Check Points
-
Distorted Picture :
Check Points
Inside View
ASSY PCB MAIN
ASSY SPEAKER P (R)
I f 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.
Check the inner patterns.
NETWORK
ASSY SPEAKER (Woofer)
ASSY BOARD P-FUNCTION
4. Troubleshooting
DC VSS-PD
BOARD
ASSY SPEAKER P (L)
4-1

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