Author Topic: TDS320 will not power off  (Read 646 times)

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Offline jpirok

  • Newbie
  • Posts: 2
  • Country: us
TDS320 will not power off
« on: June 12, 2017, 02:11:15 am »
So, I just got my hands on a nice looking Tektronix TDS320 this weekend.  When I plug it in it just starts right up, but when I press the Power/Standby button, I get no response.  Everything else I've poked at on it has worked fine.  I can't find schematics on Tek's website and wondered if anyone else had experienced this?

Thanks in advance!
 

Offline Ushiwaka

  • Regular Contributor
  • *
  • Posts: 86
  • Country: jp
Re: TDS320 will not power off
« Reply #1 on: June 12, 2017, 02:43:31 am »
Crack it open and check that button. It might be broken.
 

Offline xwarp

  • Frequent Contributor
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  • Posts: 340
  • Country: us
Re: TDS320 will not power off
« Reply #2 on: June 12, 2017, 03:08:09 am »
Word of advice for you, look through some of the search results as shown by clicking the link below:

https://www.google.com/search?q=tektronix+tds+capacitors&ie=utf-8&oe=utf-8

Next, I would expect something going on with the front panel and the touch switches. My TDS460 had issues with the buttons not working properly and it turned out that in addition to a leaky cap on the front panel board, there was a trace dissolved on it.

ALSO.... be VERY CAREFUL on the traces for those bezel switch traces. Alcohol will wipe them right off. I made the mistake of using 100% IPA and it wiped them right off. Did not much matter at that point because one trace had already been damaged previously. I cured the problem by replacing the carbon traces with conductive epoxy.
 


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