[TenTec] Omni-D with an Annoying 1khz Tone (MadScientist)

[Rodney]

I guess I have to get a Omni so I can get info on Ten Tec@ contesting.com I 
have only  a Orion II 238b  and a Centurion.  Rodney

-----Original Message----- 
From: forum4ll at verizon.net
Sent: Wednesday, January 09, 2019 1:54 PM
To: tentec at contesting.com
Subject: Re: [TenTec] Omni-D with an Annoying 1khz Tone (MadScientist)

Gary,

The 560pf cap is back in and the display is back to normal!! Indeed, the 
scan
pin on the MK50398N has a function of timing the updates to the display (I 
think).
Sigh, but the 1khz tone is back just as loud as it was before. I'm trying to 
follow this
1khz tone with my scope. Hopefully I'll find the culprit.

Thanks

>Date: Tue, 8 Jan 2019 19:21:01 -0600
>From: MadScientist <dukeshifi at comcast.net>
>To: Discussion of Ten-Tec Equipment <tentec at contesting.com>
>Subject: Re: [TenTec] Omni-D with an Annoying 1khz Tone

>Please let me know how it works out.

>Gary



>> On Jan 8, 2019, at 7:03 PM, <forum4ll at verizon.net> <forum4ll at verizon.net> 
>> wrote:
>>
>>
>> Gary,
>>
>> I will put that 560pf back in and see if it corrects the display. I still 
>> think there is an issue with the Preset Amp board but I'll have to make 
>> some voltage measurements on the 3 transistors tomorrow.
>>

>> Thanks,
>> Lyman KK6LPW
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