Blown output

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8 years 8 months ago #105766 by Mike_Eitel
Blown output was created by Mike_Eitel
Hi PCW
I think i managed to blow up one of my two spindle outputs: 7i76e Spindle Enable

Beside buying a new card or sending to repair ( a pain in the a... from Switzerland)

Do you think i have a chance to replace a chip myself.
And with is it?

THX
Mike

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8 years 8 months ago #105767 by PCW
Replied by PCW on topic Blown output
The output device is a TLP127 Opto coupler. This (or an equivalent) should be available anywhere
You do need something like SMT rework tweezers to replace this without damaging the PCB

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8 years 8 months ago #105769 by Mike_Eitel
Replied by Mike_Eitel on topic Blown output
THX
I guess it is one of the two smaller white ic's, and think it is near to the bigger white one.
Right?
I do have all kind of tools and also some for smd, but do not like to try it on that card. To my good luck i have a supplier with a lady who is excellent in that tiny working und i am sure he will be happy to do me a favour ;-)
So i have to lock and place an order..
Mike

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8 years 8 months ago #105772 by Grotius
Replied by Grotius on topic Blown output
Mike,

In your country : www.distrelec.ch/en/optocoupler-pdip-4gw...s-tlp-127/p/17535617

i am sure he will be happy to do me a favour

If she is good, please let me know.

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8 years 8 months ago #105997 by Mike_Eitel
Replied by Mike_Eitel on topic Blown output
It was easy to replace the opto coupler.
Easy as board layout and quality is well done.

Now working again on my test bench like a charm.

THX PCW

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