You are not the only one that has experienced that problem happened to my friend Juerg today too and a while back to me Bert Kehren In a message dated 6/20/2017 1:15:34 P.M. Eastern Daylight Time, dave.mall...@gmail.com writes:
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 <jlt...@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-boun...@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.mall...@gmail.com> > To: "Discussion of precise time and frequency measurement" < > time-nuts@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) > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > -- Dave Mallery, K5EN (ubuntu linux 16-10) PO Box 15 Ophir, OR 97464 linux counter #64628 (since 1997) _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.