4-2
4. Troubleshooting
Simple flow chart of malfunction
Yes
No
No
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 ?
No
Replace the Main Board
Check the Power Cord
Yes
No
No
is any sound of TV
when RF signal
connected?
Yes
A5V appear at
the pin 7?
Yes
Check LVDS
cable connected.
If necessary replace the
T-con board.
No
Change the main board.
No
Check 30p cable.
If necessary, replace the
SMPS board.
Yes
B13V appear at the
Pin 23~28 of CN201?
No
Change the main board.
Please, contact Tech support.
Содержание UN46C9000ZF
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Страница 124: ...4 32 4 Troubleshooting WAVEFORMS 0 Audio Input Sign Wave I2S Input Clk Data Audio Amp Out Sign Wave ...