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4. Troubleshooting
Simple flow chart of malfunction
Does the TV turn on?
No
Check the Power Cord
Yes
is any sound of TV
when RF signal
connected?
No
A5V appear at the
pin 27 of CN201?
Yes
B13V appear at the
pin 9 of CN201?
Yes
Please, contact Tech
support
4-2
Yes
Can you see anything
on the screen?
No
Check LVDS
Yes
cable connected.
If necessary replace the
T-con board.
Check 30p cable.
No
If necessary, replace the
SMPS board.
No
Change the main board.
Yes
Can you see
OSD menu running on
the screen?
No
Check LVDS cable connected
to Main Board.
If necessary,
replace the Main Board
No
Change the main board.
Yes
Can you see Digital
Channel broadcast ?
No
contact Tech support
Replace the Main Board
Yes
Please,
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