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Parts for Tek 405 modules

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three_jeeps
Guest

Mon Jul 27, 2015 10:27 pm   



I recently got a Tektronix TM405 with a FG502 function generator, DM502 volt meter, DC503 Universal counter, and a PS503 power supply. Advertized as 'everything working'....yea, right.

A cursory inspection shows the FG502 to be dead, the DM502 to have a display that is constantly flashing 118.3 no matter what scale it is on. The PS503 +/- outputs are dead.
Now I need to go into troubleshooting mode. I came across an extender cable from jamma boards so I can work the modules outside the enclosure.
I'll do the basic checking supply voltages, then caps, diodes, etc.

So my questions at this point:

Are there any cross reference lists (pointers please?) for the Tek branded electronic parts?

Names of suppliers for some of the Tek parts?

Any common/well known failures & associated fixes for this PS?

Any help is really appreciated.

Ken
Guest

Tue Jul 28, 2015 5:40 am   



three_jeeps wrote:
Quote:
I recently got a Tektronix TM405 with a FG502 function generator, DM502 volt meter, DC503 Universal counter, and a PS503 power supply. Advertized as 'everything working'....yea, right.

A cursory inspection shows the FG502 to be dead, the DM502 to have a display that is constantly flashing 118.3 no matter what scale it is on. The PS503 +/- outputs are dead.
Now I need to go into troubleshooting mode. I came across an extender cable from jamma boards so I can work the modules outside the enclosure.
I'll do the basic checking supply voltages, then caps, diodes, etc.

So my questions at this point:

Are there any cross reference lists (pointers please?) for the Tek branded electronic parts?

Names of suppliers for some of the Tek parts?

Any common/well known failures & associated fixes for this PS?

Any help is really appreciated.

http://www.reprise.com/host/tektronix/reference/transistor.asp
http://www.sphere.bc.ca/test/tekequiv.html

Reinhard Zwirner
Guest

Wed Jul 29, 2015 1:10 am   



Ken schrieb:
> three_jeeps wrote:

[...]
Quote:


.... and there is a special Tektronix Yahoo group with a lot of
helpful experts!

Best regards

Reinhard

elektroda.net NewsGroups Forum Index - Electronics Components - Parts for Tek 405 modules

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