Samsung DSR9500EMVIA, DSR9500 FTA, DSR9500VIACI, DSR9500 CI operating instructions No Locking

Page 33

Troubleshooting

NO LOCKING

X1001, DC voltage is

No

H : 17~19V

 

 

 

 

V : 12.5~14V?

 

 

Yes

 

 

 

 

 

 

 

T1001 input voltage

No

R2003, L1002 : 5V

 

 

 

 

R2001 : 3.3V

 

 

Yes

 

 

 

T1001 Data, control

No

oddure at R2002~R2004,

 

 

 

 

R2006~R2013, R1015.

 

 

Yes

 

 

 

U500(40~50, 53~63)

No

Data control signal

 

 

is OK?

 

 

Yes

 

 

 

 

 

 

 

Check U100.

 

 

 

 

 

Check U1004.

Check U72, U71.

Check T1001.

Check U500.

4-2

Samsung Electronics

Image 33
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 No Power LED OFF TroubleshootingNo 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