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"
<[email protected]> To: [email protected] 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?

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