No Video (Component) - Samsung UN FH6200F Series Service Manual

4-2-6. No Video (Component)

Symptom Audio is normal but no picture is displayed on the screen.
• Check the Component source.
Major
• This may happen when the LVDS cable connecting the Main Board and the Panel is
checkpoints
disconnected.
1
Diagnostics
2
Caution
Make sure to disconnect the power before working on the IP board.
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Yes
Check the component source and check
the connection of component cables ?
Y, Pb, Pr
Yes
Does the component data appear at ?
Comp1 Y : R530
Pb : R531
Pr : R532
Yes
Check the LVDS signal at output of Main
Board ?
TX2_CLK : LV_TX2_DN/DP
TX4_CLK : LV_TX4_DN/DP
Yes
Check the LVDS cable?
Replace the T-CON, LCD panel?
No Check a set in the 'Stand-by mode'.
No Input the component source properly.
Check CN502 or Compnent Gender.
No
Change the Main Ass'y.
Check IC1001(X10+).
No
Change the Main Ass'y.
No Please, Contact Tech support.
4. Troubleshooting
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