Re: [TenTec] TenTec Digest, Vol 234, Issue 6

[Wolfgang Peringer <dk7cy@bingo-ev.de>]

Hi Bernie,

nothing plugged into the serial port. I will measure the current and 
check the components next. Takes a lot of time to keep the old stuff 
working but I love it. Just repaired my KWM-2A and Drake TR-4310. TR-7A 
and Heathkit MR-1/MT-1 are on the bench.
73s

Wolfgang

dk7cy

Am 17.06.2022 um 18:00 schrieb tentec-request@contesting.com:
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>     1. Re: Omni V backup battery (Bernie Skoch)
>
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 16 Jun 2022 16:10:57 +0000 (UTC)
> From: Bernie Skoch <k5xs@aol.com>
> To: "tentec@contesting.com" <tentec@contesting.com>
> Subject: Re: [TenTec] Omni V backup battery
> Message-ID: <169190876.4673124.1655395857761@mail.yahoo.com>
> Content-Type: text/plain; charset=UTF-8
>
> Wolfgang,
> Looking at the Omni V schematic, the battery feeds two chips on the Logic 
> board: U7 (which appears to be the main microprocessor) and U11, which converts 
> TTL to RS232.
> I wonder if you have anything plugged into the serial port which might be 
> drawing it down. If not, I would look at U11 and its ancillary components first.
> Have you measured current draw on the battery?
> 73,Bernie K5XS
>
>
> -----Original Message-----
> From: Doug Gomez via TenTec <tentec@contesting.com>
> To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
> Cc: Doug Gomez <gdoug29@yahoo.com>
> Sent: Thu, Jun 16, 2022 9:37 am
> Subject: Re: [TenTec] Omni V backup battery
>
>   I get around 2 years for the clock battery in my Omni V.
> ? ? On Thursday, June 16, 2022, 02:09:24 AM PDT, Wolfgang Peringer 
> <dk7cy@bingo-ev.de> wrote:?
>   
>   Hello,
> i noticed that the backup battery in my Omni V discharges within 6 to 8
> weeks. The batteries in my Omni VI and VI+ hold their voltage for years.
> Any ideas?
>
> 73
>
> Wolfgang
>
> dk7cy
>
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> End of TenTec Digest, Vol 234, Issue 6
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