I sent you an e-mail suggesting the external speaker jack could be suspect.
You can short the tounge<sp> and the ground and see if your internal speaker
works. You can proceed from there. If that is the problem it may only need
some cleaning, if not bent.
----- Original Message -----
From: "Bill Acito W1PA" <firstname.lastname@example.org>
Sent: Wednesday, October 08, 2008 1:16 PM
Subject: Re: [TenTec] Replacing the speaker in a Delta II/Argonaut II
> >Bill, Good point about reminding us that the external speaker works, and
>>excessive heating. The series RC on IC audio stages is NOT switched out,
>>especially when using an external speaker with extra lengths of cable that
>>provides varying feedback.
> Yeah, I looked at the schematic last night, and it has to one of three
> things ---
> the speaker itself, or the wiring to it, or the head phones or external
> jacks --- the audio line goes through both on the way to the internal
> Steve made a good point about the speaker bracket... I'll see if it will
> "hinge" up as he suggested on the Argonaut II.
> Bill W1PA
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