4-2-6. No Video (COMPONENT)
Note
Refer to the next page to check the location such a CN201 or IC201 SVC Manual mentioned.
Symptom
Audio is normal but no picture is displayed on the screen.
•
Major
checkpoints
Check the Component source
•
This may happen when the LVDS cable connecting the Main Board and the Panel is
•
disconnected.
Diagnostics
Power indicator LED is off.
Lamp(Backlight) on, no video ?
No
Check a set in the ‘Stand-by mode’.
Yes
Check the component source and check
the connection of component cables ?
Y, Pb, Pr
No
Input the component source properly.
Yes
1
Does the component data appear at ?
COMP2_Y_CVBS : R816
-
Pb : R817
-
Pr : R815
-
No
Check CN502.
Change the Main Ass’y.
Yes
2
Check the LVDS clk signal at output of
Main Board. (TX)
TX2_CLK : ODD_TXCLK_DN/DP
-
TX4_CLK : EVEN_TXCLK_DN/DP
-
No
Check IC1001(X12).
Change the Main Ass’y.
Yes
Check the LVDS cable?
Replace the T CON / LCD panel?
No
Please, Contact tech support.
Caution
Make sure to disconnect the power before working on the IP Board.
4-19
4. Troubleshooting
Summary of Contents for UN32F6300AF
Page 52: ...Waveforms 1 HDMI input RX_Data RX_Clk 2 LVDS output 4 9 4 Troubleshooting ...
Page 55: ...Waveforms 1 CVBS OUT Grey Bar 2 LVDS output 4 12 4 Troubleshooting ...
Page 58: ...Waveforms 1 CVBS OUT Grey Bar 2 CH_CLK CH_VALID 2 CH_CLK CH_VALID 4 15 4 Troubleshooting ...
Page 60: ...Location of Parts Main Board_Front C B Detail A R816 COMP2_Y_CVBS B 4 17 4 Troubleshooting ...
Page 61: ...Waveforms 1 CVBS OUT Grey Bar 2 LVDS output 4 18 4 Troubleshooting ...
Page 67: ...Location of Parts Main Board_Front E Detail E CN302 SPK 4 24 4 Troubleshooting ...
Page 98: ...UN40F6300AF Rear View Dimension Jack Power Front Side View Dimension 4 55 4 Troubleshooting ...
Page 99: ...UN46F6300AF Rear View Dimension Jack Power Front Side View Dimension 4 56 4 Troubleshooting ...
Page 100: ...UN50F6300AF Rear View Dimension Jack Power Front Side View Dimension 4 57 4 Troubleshooting ...
Page 101: ...UN55F6300AF Rear View Dimension Jack Power Front Side View Dimension 4 58 4 Troubleshooting ...
Page 102: ...UN60F6300AF Rear View Dimension Jack Power Front Side View Dimension 4 59 4 Troubleshooting ...
Page 103: ...UN60F6300AF Rear View Dimension Jack Power Front Side View Dimension 4 60 4 Troubleshooting ...
Page 111: ... Factory Menu Option Factory Menu Control ...
Page 112: ... Factory Menu SVC Factory Menu SVC SVC Info ...