[TenTec] Replacing the speaker in a Delta II/Argonaut II
W8BVH
w8bvh at sbcglobal.net
Wed Oct 8 14:58:30 EDT 2008
Bill:
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.
Best regards,
Ralph Howes
W8BVH\
----- Original Message -----
From: "Bill Acito W1PA" <w1pa at hotmail.com>
To: <tentec at contesting.com>
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
> >no
>>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
> speaker
> jacks --- the audio line goes through both on the way to the internal
> speaker.
>
> 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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