[Amps] My Alpha 87A is not changing between bands or segmentsautomatically!

[Dick Green WC1M]

Hamad,

Does the amp work OK on all HF bands if you change bands on the 87A
manually?

73, Dick WC1M

> -----Original Message-----
> From: Mohammed NA [mailto:na_mohammed at hotmail.com] 
> Sent: Friday, August 04, 2006 8:05 PM
> To: amps at contesting.com
> Subject: [Amps] My Alpha 87A is not changing between bands or 
> segmentsautomatically!
> 
> Hello Dear hams,
> 
> My Alpha 87A was setting aside for several months and when I 
> decided to work HF again I hooked it to my Kenwood TS-870 and 
> its seems that the amp is working just fine, I changed the 
> band from 20 m to 15 m and I was surprised that the amp didnt 
> follow the transceiver!, I tried all other bands with the 
> same result, I unplugged it, wait for few minuts, and again 
> the same problem, I connected it to my PC and found that the 
> CPU is just fine and its responding to all commands. I called 
> Alpha and they asked me to send them the frequency counter 
> board to inspect it which I sent and they told me it has 
> nothing wrong with it. now I have either to send the whole 
> amp to them (which is quite expensive for me to do so) or 
> just live with the problem, any suggestion or any one got the 
> same problem and know what is wrong with amp?
> 
> Hamad - A71AW
> 
> 
> 
>