[sebhc] ET-3400A Eratta Book

Allard allard at xs4all.nl
Mon Feb 19 09:47:14 CST 2007


Almost the same story I experienced with a Mac Portabele. The previous
owner did smoke a lot and everything was browned. After "the dishwashing"
it did run again :-))




>     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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