[sebhc] ET-3400A Eratta Book

[Paul A. Pennington]

    Luposian;

    Great story.  I'm not that desperate yet, but I may give up and stick it 
in the dishwasher someday :-)

    I'd be glad to help get you started on operating the thing.

    Email me directly.

    Paul Pennington
    Augusta, Georgia


----- Original Message ----- 
From: "Luposian" <luposian at cox.net>
To: <sebhc at sebhc.org>
Sent: Monday, February 19, 2007 5:12 AM
Subject: Re: [sebhc] ET-3400A Eratta Book


> On Feb 17, 2007, at 12:47 PM, Paul A. Pennington wrote:
>
>>    I'm currently repairing one of these I just bought and thought there 
>> might be something helpful in there.  I see we have the ET-3400 basic 
>> model in the archives but not the A model.  There are significant 
>> differences. I'll try to work on scanning my docs later.
>
> The ET-3400A I got was pretty dirty and all it would display is all 8's 
> across the display.  I tried pulling every chip and reseating them, to no 
> avail.  I finally gave up and decided to just hose it down (with a garden 
> hose and spray nozzle) and make it a nice, CLEAN, non-working ET-3400A. 
> Well, after letting it dry out a few days and making sure it was dry on 
> the inside, I plugged it in and turned it on...
>
> "CPU UP"
>
> To say I was shocked (surprised, not electrocuted!), is an understatement. 
> I was absolutely amazed!
>
> Apparently the dirty residue on the board was shorting something out. 
> Just my $0.02, in case you might have a similar situation on your hands. 
> Good luck getting yours working.
>
> Now, if only I could learn how to program this thing, it would actually 
> WORTH something to me!  Anyone got the time to teach a know-nothing like 
> me how to press all these weird buttons in the right order to DO something 
> useful with this thing? :-)  I've got training books and manuals for the 
> thing, but none of it makes any sense to me.  I need a tutor!!! :-D
>
> Luposian
> "Sometimes a garden hose is all you need."
>
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> 

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