Samsung UN40C6300SF - Simple Flow Chart of Malfunction

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4. Troubleshooting
Simple ow chart of malfunction 
Yes
No
Yes
Does the TV turn on?
Can you see anything
on the screen?
Yes
Can you see OSD menu
running on the screen?
Check LVDS cable connected
to Main Board.
If necessary,
replace the Main Board
Yes
Can you see Digital
Channel broadcast ?
Yes
Replace the Main Board
Check the Power Cord
Yes
No
No
Is standby LED on?
Yes
A5V appear at the pin
15 of CNM801 (IP)?
Yes
is any sound of TV?
Yes
Check dimming cable.
If necesary replace the
Main Board.
Yes
check 18p cable.
If necessary, replace the
IP board.
Yes
Check the B power
of main board. (B5V,
B3.3V, B1.8V) ?
Yes
Change the main board.
Please, contact Tech support