Samsung DSR9500 FTA, DSR9500EMVIA, DSR9500 CI Troubleshooting, No Power Led Off, No No No No No No

4. Troubleshooting

NO POWER (LED OFF)

Power switch and power plug pin is connected?

Yes

SMPS OK?

:BD70 ~ BD75

Yes

Front PCB ass'y is OK?

Yes

U101 (12, 13) signal?

:27MHz CLK

Yes

U101 (1, 2, 5, 7) signal?

:27MHz CLK

Yes

108MHz CLK is oceared at R2005, R2006.

Yes

Check T1001

Yes

Check U100

No

No

No

No

No

No

Connect switch and power Pug pin.

Check SMPS.

Check Front PCB ass'y.

Check X100.

Check U101.

Check U112.

Samsung Electronics 4-1