[time-nuts] TBolt help...

[Dave Mallery]

hi

many thanks to all!

it was much simpler:  the pins in the power plug on the Tbolt had gradually
slid up in the connector block till the -12 disconnected.
all this in a closed insulated box on the wall!!!

humbled and happy

73,

dave mallery, k5en

On Mon, Jun 19, 2017 at 7:12 PM, J. L. Trantham <jltran at att.net> wrote:

> I had a T-Bolt 'failure' when my -12V supply died.
>
> I am aware of another event on the list when the solder connection at the
> -12V connector to the t-Bolt failed.
>
> Make sure the -12V is reaching the PCB for the T-Bolt.
>
> Hope this helps.
>
> Joe
>
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Tom Van
> Baak
> Sent: Monday, June 19, 2017 3:42 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] TBolt help...
>
> Hi Dave,
>
> There was one other report of something similar over the past ten years. I
> did not look into it.
>
> Since your TBolt was part of the group buy, I'll send you a new one.
> Contact me off-list. But can you double check the -12 V power supply
> voltage for me? Anything between -7 and -15 is probably ok. But if it fails
> it will affect the serial port. Also, if you have time, open the box and
> use a 'scope on both the input (TTL) and output (RS232) of the serial
> transceiver.
>
> Thanks,
> /tvb
>
> ----- Original Message -----
> From: "Dave Mallery" <dave.mallery at gmail.com>
> To: "Discussion of precise time and frequency measurement" <
> time-nuts at febo.com>
> Sent: Monday, June 19, 2017 1:16 PM
> Subject: [time-nuts] TBolt help...
>
>
> > hi
> >
> > My Tbolt has been running for a long time, since the final group buy.
> >
> > It is still running (indicated by the 10MHz output) but there is no data
> > coming out the serial port. LH says so and so does my lil TSIP monitor,
> as
> > well as my rs-232 cable monitor/breakout devices.  I have tested all the
> > cables involved.
> >
> > If this has happened to you, were you able to isolate it further?  is it
> > fixable?
> >
> > many thanks in advance!
> >
> > dave mallery
> >
> > --
> > Dave Mallery, K5EN                 (ubuntu linux 16-10)
> > PO Box 15                              Ophir,  OR  97464
> >
> >      linux counter #64628 (since 1997)
>
>
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-- 
Dave Mallery, K5EN                 (ubuntu linux 16-10)
PO Box 15                              Ophir,  OR  97464

      linux counter #64628 (since 1997)