Samsung QN49Q6FAMF, Руководство по обслуживанию

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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. 3.
No Video
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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 Main Board. •
Distorted Picture :
-
Check Points Check the inner patterns. •
Inner View
„
ASSY PCB MAIN
DC VSS-PD
BOARD
ASSY SPEAKER P-FRONT NETWORK ASSY BOARD P-FUNCTION
4-1
4. Troubleshooting