Caple C871i Manual de usuario descargar pdf (Pagina 373)

Apple II Computer Info

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### Created : Friday, October 10, 1997 Modified: Friday, October 10, 1997

### File Type: "TEXT" File Creator: "LMAN"

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From: Rubywand <[email protected]>

Newsgroups: comp.sys.apple2

Subject: Re: Power supplies

Date: Wed, 08 Oct 1997 17:37:51 +0000

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[email protected] writes ...

> I now have in my posession several II's that have dead power supplies.

> ....

> Since they all seem to be the same design, and about the same age, i'm

> suspicious that there's something that typically goes wrong in these

> beasties. If anyone can provide hints on what that might be, not only

> could i repair the supplies (and thus the machines) i do have, but when

> the others inevitably go, it won't be an irreversible loss.

> ....

Maybe my earlier email got lost; so, just in case, below is a kind of

general purpose fix-it guide ...

First, it's a good idea to check for shorting caused by Coke

spills etc. Open the case and look for gunk on the motherboard and power

supply. If everything looks okay, fine. If not clean away

the mess. After cleaning (and drying), turn ON the power to see if the

problem is fixed.

Bad or Cross-socketed Slot Card

Pull all cards from Slots and turn ON power. If the machine 'comes

alive' one or more of your cards may have a short or may have been

cross-socketed. Clean the contacts on each card (e.g. with alcohol). With

power OFF, replug a card (be sure to line-up card and Slot contacts) and

turn ON power. Do this for each card. If a card causes the machine to

fail, it is, probably messed up. If no card produces a failure the

original problem was, likely, a card which was not properly inserted.

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 373 of 572

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