[time-nuts] Re: Trimble Thunderbolt question

N1BUG paul at n1bug.com
Mon Apr 11 09:35:51 UTC 2022


Thanks Bob,

I had not seen those photos in my search for information.

The traces, components and silk screening in that area of the board are 
identical on mine with the exception of the color of C6 (black on mine). 
This is very reassuring.

Paul



On 4/10/22 21:42, Robert LaJeunesse wrote:
> Paul,
> 
> Take a look at page http://www.leapsecond.com/pages/tbolt/photos.htm
> 
> The fourth pic down in the right column shows the power connector
> soldered directly to the PCB (upper left edge, by C6).
> 
> If your power 6 pin header is in the same spot then it is highly
> probable the pinout is identical. If the traces on your unit match
> those of the pic then its almost a certainty.
> 
> Bob L.
> 
>> Sent: Sunday, April 10, 2022 at 9:43 AM From: "N1BUG"
>> <paul at n1bug.com> To: time-nuts at lists.febo.com Subject: [time-nuts]
>> Trimble Thunderbolt question
>> 
>> Hi,
>> 
>> Long time lurker here, getting ready to upgrade to a Trimble
>> Thunderbolt for my 10 MHz reference. I have a question about the
>> power connector pinout.
>> 
>> I acquired a 48051-61 plain PCB presumably requiring +5V, +12V,
>> -12V. I have no documentation. Mine has a 6 pin header, NOT the
>> Molex connector described here:
>> 
>> http://www.leapsecond.com/pages/tbolt/power.htm
>> 
>> Can I safely assume pin assignments are the same?
>> 
>> Thanks, Paul N1BUG _______________________________________________ 
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