[Amps] Alpha 89 thermistor question

[Carl Clawson]

I don't know about that amp specifically, but look for A/D converters and
check their data sheets. Some of them double as temperature sensors, such
as the AD7416/7/8 chips.
73 -- Carl WS7L

On Fri, Nov 3, 2017 at 12:38 PM, David Donnelly <ddonnelly40 at comcast.net>
wrote:

> I have a faithful Alpha 89 which has served well over the past 25 or so
> years, except for one annoying problem - it randomly gives a 'temperature'
> fault for no apparent reason, requiring the 3 min reset. The control board
> has a 'temperature' input but no thermistor is indicated on the schematic
> or
> on the parts list.
>
>
>
> Does anyone know where the temperature sensor resides or how it works?
>
>
>
> Many thanks for any help
>
>
>
> Dave, K2SS/7
>
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