[time-nuts] pts 160 power problem
lists at rtty.us
Sat Feb 26 00:39:39 UTC 2011
Far easier to simply replace them with modern tantalum parts than to try to find something else. Modern parts are likely to run a very long time.
On Feb 25, 2011, at 6:24 PM, Dave Mallery wrote:
> thanks everyone.
> i found a cache of tantalum caps in the output amp module. also, there
> isn't any output any more.
> struggling to get all those @#@ screws out so i can get to them.
> should i find new tantalum caps, or is there a better substitute?
> On Fri, Feb 25, 2011 at 11:29 AM, <GandalfG8 at aol.com> wrote:
>> In a message dated 25/02/2011 17:13:01 GMT Standard Time,
>> dave.mallery at gmail.com writes:
>> i tried another more robust 5v supply, but that goes to 4.5v and ng
>> i removed each of the plug-in decades, one at a time, looking for the
>> one. no joy. i also removed the left rear module (uses 5v). the other
>> modules only use 12v. which is fine.
>> has anyone been here before? could it be a problem in the backplane (a
>> of art, btw)?
>> Hi Dave
>> I've used quite a few of these and have never yet experienced an actual
>> component failure, obviously not saying it can't happen just that once
>> yours should remain pretty reliable.
>> As John already suggested I'd also look for possible fautly tantalums or
>> other capacitors across the supply but would also suggest removing all the
>> modules from the motherboard at the same time before proceeding any furter
>> and checking if the symptoms still persist.
>> I know what you've done has probably eliminated the modules but it would
>> be a shame to tear into the backplane if you just happened to have more
>> one faulty module.
>> I did once receive a previously working PTS160 by post that refused to play
>> and eventually located a very small solder blob, presumably from inside
>> the associated module, that had dropped into an edge connector and wedged
>> between a couple of pins, that was fun:-)
>> If you haven't already found it there's a manual for the PT160 on Didier's
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to
>> and follow the instructions there.
> Dave Mallery, K5EN (ubuntu linux 10.10)
> HC31 Box 99E; Williamsburg, NM 87942
> no gates...
> no windows!
> free at last!
> linux counter #64628 (since 1997)
> "People aren't as dumb as Microsoft needs them to be."
> --PJ, May 2007
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the time-nuts