Re: (ET) 4QD Pro 120 controller

[Charlie <medievalist gmail com>]

People sure curse those edge connectors a lot.  Steve Naugler told me
he ended up just soldering the wires right on to the card instead.

--Charlie

On Fri, Jun 13, 2014 at 7:05 PM, CZ Unit <cz alembic crystel com> wrote:
> On 6/13/2014 5:54 PM, Charlie wrote:
>>
>> Hey, you don't have to be a luddite to appreciate the later Elec-trak
>> electronics!  The late model E-20, I-5, and Wheel Horses have a simple,
>> elegant and durable design.
>>
>> Now, if you'd rather have the early E-15 wiring than a modern
>> controller, that's another story entirely...   I don't think any of
>> those early transistor cards lasted much past 10 years, did they?
>
>
> Actually the E15 card is not the problem; the SCRs are fine and the
> capacitors seem to work as well. The only problem I have had with
> electronics is the field diodes on the E20's, those are an easy 
> replacement
> on the board.
>
> The problem is the E15's moronic use of a relay to switch the field, and 
> the
> edge connectors. Aside from that they will run probably forever.
>
> C
>
>
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