Samsung DSR9500VIACI, DSR9500 FTA, DSR9500EMVIA, DSR9500 CI U801 12 video signal? U801 14 signal?

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Troubleshooting

NO VIDEO (TV SCART, RCA)

U801 (12) video signal?

U801 (14) signal?

Yes

Q804, Q807 Emitter signal?

Yes

Q826 Base signal?

 

No

 

 

 

 

 

 

 

 

 

Q825 Base signal?

 

 

No

 

 

 

 

 

 

 

 

Yes

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BD801 is 12V?

 

 

 

 

Check BD801.

Yes

Check U100.

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Q826

 

 

 

 

 

Check Q825.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U801 (9, 10, 11) is 0V?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check D805, D806.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check U801.

No

Check Q804, Q807.

No

R807, R827 signal?

Check T802, T801.

Check R807, R827.

Samsung Electronics

4-7

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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