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Samsung DSR9500EMVIA, DSR9500 FTA No Locking, Data control signal, Troubleshooting, Check U100

Models: DSR9500 FTA DSR9500 CI DSR9500VIACI

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Troubleshooting

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

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Samsung DSR9500EMVIA No Locking, Data control signal, Check U1004 Check U72, U71 Check T1001 Check U500, Troubleshooting
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