[Coco] Weird CoCo3 problem...

[Brian Blake]

I'll check out the good CoCo later. If it's a scope/probe issue that should prove it one way or the other. I will not discount any possibility right now...


----- Original Message ----
From: Louis Ciotti <lciotti1 at gmail.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Tue, January 5, 2010 9:54:52 AM
Subject: Re: [Coco] Weird CoCo3 problem...

The waveforms just look like there is too much capacitance in the
probe, thus increasing the rise time.

Lou

On Tue, Jan 5, 2010 at 9:17 AM, Brian Blake <random_rodder at yahoo.com> wrote:
> Hi Louis,
>
> Yes, the scope does have a cal signal and it looks fine. As I stated in a previous message, if you look at pages 67 & 68 of the CoCo3 service manual, the power supply waveforms produced by this CoCo3 are identical to those shown in the service manual. I don't think it's a scope issue.
>
> I'll run some comparison with a known good CoCo3 this evening.
>

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