[TenTec] Delta 580 Problem

[Anthony Luscre K8ZT]

I have a backup rig Delta 580 that  had been used at field day. Last 
week was first time I fired it up since FD. Audio output was very low. 
Background noise was almost the same with or with out antenna coax 
attached ( I checked the Transmit/Recieve switch and attenuator switch 
on back panel. Power output barely moved my watt meter. Opened the case 
and tried  jumpering from antenna connector to various points further 
down the receive change brought volume back to normal. Working back ward 
I found the problem is located very near antenna input. I suspect the 
two switching diodes. I do not have a schematic. So three questions for 
experts out there:
1. Does it sound like I'm on right track?
2. What type of diodes are listed in the schematic (1N4148 ?)
3. Is there an easy way to remove the board ( the band change switch 
extends through that section)

jmerrill1 at adelphia.net wrote:

>Is it still on 7.251 and when does it start?
>
>
>John N1JM
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>TenTec at contesting.com
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>
>  
>

-- 
|--------------------------|
     Anthony A. Luscre    
            K8ZT      
        Stow, Ohio	  
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    Visit My Website at
  http://www.qsl.net/k8zt
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