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- Re: TSK-1817 Coffee machine board
July 2, 2008, 3:22 pm
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Re: TSK-1817 Coffee machine board
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.
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