[Coco] Technical question
Mike Pepe
lamune at doki-doki.net
Sat Mar 7 01:49:49 EST 2009
Bill, I'm thinking power supply issue. The CoCo3 video modulator needs
8V and there's a little 78L08 (IC36) that provides it. If I had it here
I'd throw it on a scope and see what that looks like. The cassette relay
is fed off the same chip (SC77527) that runs the voltage regulator, so
again, smells like a power supply problem to me.
> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-
> bounces at maltedmedia.com] On Behalf Of Bill
> Sent: Friday, March 06, 2009 11:21 AM
> To: CoCoList for Color Computer Enthusiasts
> Subject: [Coco] Technical question
>
> I was given a CoCo3, but it doesn't work. The MOTORON and MOTOROFF
> functions
> do not work. The RF to the TV is EXTREMELY snowy and full of static.
>
> Question #1-can all this be fixed?
>
> Question #2-can all this be fixed for a reasonable price?
>
> Question #3-is it worth it?
>
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