Re: [TenTec] ORION 566 - Speaker Popping Pulses Noise in the speaker - on top of the audio, not distorted audio.

[W5SJL Amos Favorite <W5SJL@msn.com>]

Yes the board looks different I did not know if the signal levels are the same. 
 Receiver A and B to main Audio amplifier and speaker driver???



I will look at the website again thank you.



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________________________________
From: TenTec <tentec-bounces@contesting.com> on behalf of dukeshifi 
<dukeshifi@comcast.net>
Sent: Monday, June 3, 2019 8:58:49 AM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] ORION 566 - Speaker Popping Pulses Noise in the speaker - 
on top of the audio, not distorted audio.

The audio output on the Orion and Orion II are quite different though they use 
the same IC for their respective AF out stages.

The entire schematic for the Orion II is still available at TT’s web site.

Gary

> On Jun 3, 2019, at 8:55 AM, W5SJL Amos Favorite <W5SJL@msn.com> wrote:
>
> This a persistent problem and very sensitive to volume Levels
>
> First try was the Power Regulator Board, replaced the board and monitored the 
> +5 and + 13 VDC wit a scope and DVM .
>
> No Sags or response on the regulated power levels.
> ----------------------------------
> No Problem on the headphone audio
> When the speakers including remote external speaker is popping.
> ----------------------------------
> I would like to troubleshoot the main audio output board but have no speaker 
> output schematic.
>
> Can I get a set of diagrams on the audio chain?
>
> Can I try the board from my 565 which is working fine?
> ----------------------------------
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