Samsung DSR9500EMVIA Satellite TV System User Manual


 
Troubleshooting
4-6 Samsung Electronics
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R258, R259 voltage
is 8~10V?
Check DB201, RS232 cable.
Yes
Yes
No
Check U201.
No
U200 (11, 12, 13, 14)
occur data waveform
Check U108.
Yes
Check U100.