[Coco] Fwd: Re: Disto Super II controller repair

[Bruce W. Calkins]

-------- Forwarded Message --------
Subject: 	Re: [Coco] Disto Super II controller repair
Date: 	Mon, 29 May 2017 22:01:24 -0400
From: 	Bruce W. Calkins <brucewcalkins at charter.net>
To: 	Camillus Blockx <camillus.b.58 at gmail.com>



A common failure on the Tandy controllers was one or both 7416 chips on
the output side.  Removing the chips and socketing a pair of 7406 chips
was the cure.

I see there are two 7416 chips on the output side of my Super Controller
II.  I would suggest starting with checking them.

Bruce W.



On 05/29/2017 04:23 PM, Camillus Blockx wrote:
> Hi, if there are no custom chips on it, I can check the chips and
> capacitors for good working state.
> Most of the time it's one of those went out anyway.
>
> Cb
>
> On May 29, 2017 2:55 PM, "Tim Fadden" <t.fadden at cox.net> wrote:
>
> Hi,
> Is there anyone on the list that could do a repair on a Disto Super II
> controller?
> Mine started flaking out on me, and finally quit pretty much all together.
> Gets disk read errors, and when trying to do a format, it gets part way,
> and eventually fails all together.  I use it in a repack with a 4in1
> controller.  Would really like to get it working, or the repack is useless.
>
> Thanks
>
> P.S. I'm retired, and not rich. But am willing to pay for your efforts.
>