
4-2
4. Troubleshooting
Simple flow 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
Summary of Contents for UN40C6300SF
Page 7: ...1 4 1 Precautions Memo ...
Page 50: ...4 8 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 51: ...4 9 4 Troubleshooting Location T CON TOP BOTTOM Detail A B C ...
Page 53: ...4 11 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 54: ...4 12 4 Troubleshooting WAVEFORMS 4 PC input V sink H sink R G B 5 LVDS output ...
Page 56: ...4 14 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 57: ...4 15 4 Troubleshooting WAVEFORMS 6 PC input V sink H sink R G B 5 LVDS output ...
Page 59: ...4 17 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 60: ...4 18 4 Troubleshooting WAVEFORMS 7 CVBS OUT Grey Bar 5 LVDS output ...
Page 62: ...4 20 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 63: ...4 21 4 Troubleshooting WAVEFORMS 5 LVDS output 6 CH_CLK CH_VALID ...
Page 65: ...4 23 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 66: ...4 24 4 Troubleshooting WAVEFORMS 8 CVBS OUT Grey Bar 5 LVDS output 7 ASN_CVBS_CLK ...
Page 68: ...4 26 4 Troubleshooting Location Main TOP BOTTOM Detail A B C ...
Page 69: ...4 27 4 Troubleshooting WAVEFORMS 9 Compnent_Y Gray scale Pb Pr Color bar 5 LVDS output ...
Page 71: ...4 29 4 Troubleshooting Location Main TOP BOTTOM Detail A A B C D E ...
Page 72: ...4 30 4 Troubleshooting WAVEFORMS 0 MCLK LRCLK PCM_I2C_DATA Speaker Monitor OUT SPDIF OUT ...