Samsung UE D65 V Series, Руководство по обслуживанию

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4-15
4. Troubleshooting
No Video (Tuner DTV)
„
Genoa-S
N
Refer to the next page to check the lacation such a CN201 or IC1001 SVC Manual mentioned.
Symptom
Audio is normal but no picture is displayed on the screen.
-
Major
checkpoints
Check the DTV source.
-
Check the Tuner, 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 RF source properly.
Change the IC1001 or
the main PCB assembly.
Please, contact Tech support.
Change the TU702_FN or
the main PCB assembly.
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 RF source and
check the connection of RF cable ?
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
pin11, 12 of TU702_FN?
2
1
Caution Make sure to disconnect the power before working on the IP board.