{Collins} Re: 32S3 output disappears



Rene

Check the bias supply rectifier in the power supply, if it is a selenium
type replace with a silicon diode.

73

Bill,W6WJN 


On Sat, 26 Nov 2005 18:57:10 -0400 "Rene Poitras"
<rpoitras@xxxxxxxxxxxxxxx> writes:
> Greetings to the List,
> 
>         My 32S3 RE has been acting up. I keep losing the output 
> signal in 
> both CW and SSB.  When I turn on the XMTR it works great for about 5 
> to 10 
> minutes, then the idling current drops and eventually disappears 
> completely. 
> I use a Heath SB-610 to monitor the output.  When the idle current 
> drops low 
> there is little output and the CW pattern on the scope is like a 
> zigzag, 
> then the signal drops completely and NO output.
> 
>         I checked all the tubes and cleaned the relays, still no 
> change.  I 
> try to send a couple of digital photos of the scope patterns if it 
> would 
> help. Also when I try to operate on VOX the relays chattering.    
> The only 
> changes I have made in a long time is the 5R4 tube in the Power 
> Supply.  It 
> tested OK but noticed a purple glow while looking on top of it when 
> testing. 
> A new one got me back on the air then it started to act up.
> 
>         Would someone on the list be willing to exchange notes and 
> help me 
> trace this problem.  Many thanks for the bandwidth.  I searched the 
> archives 
> and did not find anything similar to this.
> 
> Rene  VE1CB.... 
> 
> 
> Sponsored by the Collins Collectors Association 
> http://www.collinsradio.org
> Nets: Tues: 3.805 Mc-2000 Central / Thur: 3.875 Mc-2000 Central
> Fri: 3.895 Mc-2000 Pacific / Sun: 14.263 Mc-2000 UTC
> 1st Wed (of the month) AM Net 3.880 Mc-2000 local (ET, CT, MT, PT)
> Sun AM Net: 29.050 Mc-1200 Central
> 
> 
> 
Sponsored by the Collins Collectors Association http://www.collinsradio.org
Nets: Tues: 3.805 Mc-2000 Central / Thur: 3.875 Mc-2000 Central
Fri: 3.895 Mc-2000 Pacific / Sun: 14.263 Mc-2000 UTC
1st Wed (of the month) AM Net 3.880 Mc-2000 local (ET, CT, MT, PT)
Sun AM Net: 29.050 Mc-1200 Central






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