Samsung UE D65 V Series, Руководство по обслуживанию

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4-21
4. Troubleshooting
No Video (Component)
„
Genoa-S
N
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
-
Check the Valencia.
-
This may happen when the LVDS cable connecting the Main Board and the Panel is
-
disconnected.
Caution Make sure to disconnect the power before working on the PD board.
Diagnostics
Input the component source properly.
Change the IC1001 or
the main PCB assembly.
Please, contact Tech support.
Change the CN501 or
the main PCB assy.
No
No
No
No
Yes
Yes
Yes
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Check a set in the ‘Stand-by mode’.
No
Yes
Check the component source and
check the connection of component
cables(Y,Pb,Pr) ?
Does the digital data appear at
pin 14~42 of CN1601?
Check the LVDS cable?
Replace the T-con / LCD panel?
Does the signal appear at
the below test-points?
COMP1_Y / COMP1_PB / COMP1_PR
2
1
Caution Make sure to disconnect the power before working on the IP board.