TSK-1817 Coffee machine board

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Alan Rutlidge - 01 Jul 2008 04:35 GMT

TSK-1817 is apparently a very common controller board for espresso machines.
Does anyone have a schematic of this board or know the voltage of the zener
on the board?

Thanks,
Alan

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TT - 02 Jul 2008 16:22 GMT

> TSK-1817 is apparently a very common controller board for espresso
> machines.
[quoted text clipped - 3 lines]
> Thanks,
> Alan

Are they interchangeable with toasters? I may know a contact that would
have some spares ;-) ;-)

Cheers TT :-)

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Alan Rutlidge - 03 Jul 2008 05:59 GMT

>> TSK-1817 is apparently a very common controller board for espresso
>> machines.
[quoted text clipped - 8 lines]
>
> Cheers TT :-)

LOL.
Took a punt and replaced the rusted zener with a 12V 1W type (overkill) as
well as 2 x 12k resistors which had become affected by steam and the effects
of electrolysis. :-(
The zener provides crude voltage regulation for a couple of ICs on the board
that provide the pulses to the Triac which operates the steam pump.

Cheers,
Alan

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Electronics Forum / Electronics / July 2008

TSK-1817 Coffee machine board