[time-nuts] FE-5680A Mechanical Question

J. L. Trantham jltran at att.net
Wed Jan 11 22:33:52 EST 2012


Boy!!!!!!!  I would have 'screwed' that up!

Bill was correct.  Mine were 1/16th inch Allen screws, not Torx as Brian
has, and were very easily removed.  They appear to be 3mm dia. X 5mm long
with a 0.5mm pitch screw, in spite of having a 1/16th inch hex opening.

There were two Phillips head screws underneath that appear to hold the
bottom cover in place.

On another topic, there is a small opening on the side (near the
'FE'Trademark) with what appears to be a multi-turn pot inside.  What is
that?

Also, the 'sticker' on the top, that includes the 'FE' Trademark,
'FE-5680A', etc., has a 'soft spot' on the bottom edge.  In addition, there
is a 'soft spot' under the 'sticker' at the bottom of the front, near the
connector, and includes the serial number.  Does anyone know what is under
these 'stickers'?

Thanks again.

Joe

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Brian, WA1ZMS
Sent: Wednesday, January 11, 2012 8:52 PM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] FE-5680A Mechanical Question

My "rivets" were tiny Torx screws.


-Brian, WA1ZMS

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of J. L. Trantham
Sent: Wednesday, January 11, 2012 9:22 PM
To: 'Discussion of precise time and frequency measurement'
Subject: [time-nuts] FE-5680A Mechanical Question

Should I ever have time to pursue the Rb unit, what happens when I 'drill
out' all the rivets that mount the unit to the PCB that it arrived on?  Any
reason to keep it on the PCB?

 

Does the bottom cover come off?  Will I need to replace the rivets with
something else to keep the bottom cover on?

 

Thanks in advance.

 

Joe

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