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Re: 2445a wide trace until warmup


Chuck Harris
 

Electrolytic capacitors that are failing
tend to fail when cold, but improve as they
warm up.

You might want to consider looking at the
bevy of electrolytic capacitors in the switching
power supply. If they haven't been replaced
already, they are past due.

-Chuck Harris

cartronics via Groups.Io wrote:

Hi All my 2445A has developed a fault with the horizontal trace on all channels,
There are no error codes,
On switch on from cold the horizontal trace appears wider than normal, the readouts on the graticule are are ok
After about ten minutes warm up it then appears correct ,
Just wondering if any one else has had this fault and hopefully rectified it?
Thanks.......Peter

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