[sebhc] ET-3400A Eratta Book
luposian at cox.net
Mon Feb 19 04:12:54 CST 2007
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...
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
"Sometimes a garden hose is all you need."
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