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.
No Video
-
Symptom
Check Points
Distorted Picture :
-
Check Points
Inside View
ASSY PCB MAIN
ASSY SPEAKER P (R)
If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster
than nomal booting.
•
Replace the Main 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