Re: Sharp remote control ceramic resonator frequency?

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#602

From: N Cook
Date: Fri, 18 Mar 2005 18:55

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"Bob Parker" <bobpdeletethis@despammed.com> wrote in message
news:re5j31hsogjlbl79rn8niaijl2n6arp84t@4ax.com...
> G'day,
>    I've been asked to help fix a Sharp CRMC-A310JBEO remote control
> for an air conditioner. All that seems to be wrong is that it's been
> dropped and the ceramic resonator's broken into tiny bits, making it
> impossible to see what frequency was marked on it.
>    If someone can tell me what the resonator frequency is, I'll be
> massively grateful! :)
>
> Regards,
> Bob

I would grab some salvaged resonators and try each in turn
300,400,455 and 500 would be the most common used.

Or try a medium frequency generator of a few volts pk-pk
fed into the resonator pads and see what effect on receiver with
different f settings

Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse

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From: "N Cook" <diverse@tcp.co.uk>
Newsgroups: sci.electronics.repair,aus.electronics
Subject: Re: Sharp remote control ceramic resonator frequency?
Date: Fri, 18 Mar 2005 18:55:22 -0000
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