[time-nuts] Achieving maximum performance when driving 5370A/Binputs

Don Latham djl at montana.com
Sun Feb 28 07:35:09 UTC 2010


I've fixed shafts like this carefully with plastic swizzle sticks and super 
glue. Did I say carefully? a little dab'll do ya...
Don

----- Original Message ----- 
From: "Mark Sims" <holrum at hotmail.com>
To: <time-nuts at febo.com>
Sent: Saturday, February 27, 2010 10:10 PM
Subject: [time-nuts] Achieving maximum performance when driving 
5370A/Binputs


>
> If it's the one that I think it is...  look closely at the photo.  The 
> shafts on two of the pots are sheared off at the panel.   These are the 
> display update control and the external arming level control.   These were 
> custom HP pots with a funky (and delicate)  switch.  They had brittle 
> plastic shafts.    Gee,  how do I know this...  could it be that a large 
> percentage of the 5370's for sale have the same defect?
>
> Luckily those controls are not too critical for normal operation.  They 
> can be replaced with regular (switchless) pots if you jumper the switch 
> pads correctly.  Be careful,  there were two different layouts to those 
> controls.
>
>
> ----------------------
> So exactly how did you know that I bought a (cheap) 5370B a few hours ago 
> on the e-place
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