[sebhc] scopes

Dwight K. Elvey dwight.elvey at amd.com
Thu Jun 17 18:30:28 CDT 2004

 These may mostly be just refreashing heat sink compound
on some of the power devices. Look out for purple ceramics.
Some of these are made from toxic materials and require
special handling. These usually have a warning sign on
the chassis someplace but it may have become lost over

>From: "Carroll Waddell" <CarrollWaddell at sc.rr.com>
>Unfortunately, they all have different symptoms. Actually, I have 3 
>453's and 1 454. I remember that 1 had a channel that would stop working 
>after it got hot. Another would stop sweeping when it got hot. I can't 
>recall what the other 2 did. I put them on a shelf and bought a 465 off 
>Dave Dunfield wrote:
>>At 16:51 17/06/2004 -0400, you wrote:
>>>I may have already asked this before, but I'm not sure.
>>>Does anyone know of someone who can repair Tektronics scopes.
>>>I have 4 - 453 scopes.
>>>I'll give someone 3 of them if they will repair 1 for me.
>>Boy do I wish I lived near you!
>>Is it the same symptom for all four scopes?
>>If yes, what is the symptom.
>>If no, what are the symptoms broken down by scope?

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