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From: spam on 20 Apr 2007 22:31
Ken Weitzel wrote:
> spamTHISbrp(a)yahoo.com wrote:
>> Taking apart an old CDI ignition system to revive it, am having
>> trouble ID'ing a Fujitsu 14-pin DIP.
>>
>> PN is MB4213
>>
>> Any help much appreciated
>>
>> BTW, it had a slightly-harder-than RTV potting compound that yielded
>> nicely to a heat gun- it got crumbly when heated, returns to being
>> tough when cool.
>
> Hi Dave...
>
> Google MB4213 and you'll get several hits... hope that one or
> more are helpful.

Here's a schematic showing an MB4213 in an ignition module:

http://www.transalp.de/technik/pd-technik/reparaturen/download/schematic.zip

It's an ignition control chip: sensor in, pulse out to spark circuit.
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