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Re: SAT Receiver problem:BLACK TV SCREEN

>Hello Dr. Dish,
>
> My name is Rafael Cappuccio. I live in ITALY and I am a SAT 
>freak since 1994. I am writing to you because I have a big 
>problem  with my Sat reception system.Fisrt of all, I will 
>tell you what kind of Sat reception system I have:
> 1) 1,20-meter dish + one LNB
> 2) An IRTE MULTISAT system mod. 1, this device makes
>    possible to receive 5 sats with a non motor-driven sat
>    system. 
> 3) AMSTRAD SRD 550 receiver.
>
> The problem: 
> 
> One day ago,  I was watching RTL2 and suddenly  the image 
>went away (the TV screen was black).There was  not even the 
>rain effect on), after 2 minutes everything was okay, there 
>was RTL2 back on without any  problem. Still, after 30 
>minutes I had have the problem back again. TV screen black 
>without rain effect. I went from Astra satellite to HOT BIRD 
>1 but I got the same result (Black TV screen). 
>
>I thought it could be :
>
>- I thought it was my TV set but the Italian local stations. 
>I switched to RAI-1 and everything was OK.   
>
>- the LNB but when it is a LNB problem i should not get at 
>least the rain effect. Therefore i dont beleive in a LNB 
>malfunction.
>
>- The MULTISAT device doesnt get involved during the channel 
>reception but only when I want to position myself in another 
>satellite.
>
>- Last but not least, the AMDSTRAD SRD 550. Six months ago I 
>had a problem with the power supply, but even in case,  I was 
>not able to POWERED-ON the receiver. My  humble idea is that 
>It could be the Sat receiver. Still I dont understand how 
>come I can go into OSD screen.
>
>
>Dr. Dish, could you help me solve this problem ?. Should I 
>believe that my AMSTRAD SRD 550 is 
>broken ???  What else could I do to find out where the 
>problem is ???
>
>HELP ME..........
>
>Thanks a lot.....
>
>Rafael Cappuccio
>
Dr.Dish:
It is difficult to give some advice from far away. Depends on your ability 
to do some testing with the right eqiupment.
Since you still get the OSD,I believe your 14/18 volts are gone. You have to 
measure the LNB-voltage. If both voltages are present without connected LNB 
and voltage goes down with connected LNB (max. 200 mA), then you should 
check your Coax-cable, but also the LNB. Otherwise you could try to get from 
a friend a sat-receiver for testing. If he is doing well, then you have a 
problem with your receiver and you should consult you dealer.
Dr.Dish (Christian Mass)
drdish@tv - the first european satellite info channel
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