Samsung UE65KS9502T Service Manual page 70

4. Troubleshooting
4-1. Previous Check
Check list for initial operation
„
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 Main Board or T-CON Board.
No Video
-
Symptom
Check Points
Distorted Picture :
-
Check Points
Inner View
„
ASSY PCB MAIN
NETWORK-WLAN CLIENT
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.
• Check the inner patterns.
ASSY SMPS P-PD BOARD (LD Board)
ASSY SPEAKER P-FRONT (R)
ASSY BOARD P-IR FUNCTION TACT
ASSY T CON
ASSY SPEAKER P-FRONT (L)
4. Troubleshooting
DC VSS-PD
BOARD
4-1