Samsung DSR9500 FTA, DSR9500EMVIA, DSR9500VIACI, DSR9500 CI Troubleshooting, No Power LED OFF

Page 32

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

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Contents Digital Satellite Receiver PCB Diagrams Main Conductor Side Front Electrical Parts List Electrical Parts List R1026 R402 JACK-SCART42P/2R,-,SN,BLK U112 CP500 CHIP0OHM,5%,1/10W,DA,TP,2012 Q703 Loc.No RP500 U500 C650 Q650 R197 CHIP0OHM,5%,1/10W,DA,TP,2012 R715 RP2001 CHIP0ohm,5%,1/16W,DA,TP,1608 C100 2203-000236 AL47uF,20%,25V,GP,-,5x11,2mm L102 CHIP0OHM,5%,1/10W,DA,TP,2012 Q804 2007-000120 CHIP0OHM,5%,1/10W,DA,TP,2012 R828 SMPSSRV22901EA,P151,AC/DC,-,AC85 2W J Mini Exploded View and Parts List Memo Troubleshooting No Power LED OFFNo Locking No RF-MOD Output No Spdif Output No S-VIDEO Output No S/W Download U801 12 video signal? U801 14 signal? No Video OUT VCR No Audio OUT Memo
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