Caple C871i Bedienungsanleitung PDF herunterladen (Seite 240)

Apple II Computer Info

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### FILE : keyfix

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### Created : Sunday, January 14, 1996 Modified: Sunday, January 14, 1996

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

### File Size: 3678 bytes 3 KB

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Path: ns-mx!uunet!zephyr.ens.tek.com!tektronix!reed!nobody

From: [email protected] (Doug Reeder)

Newsgroups: comp.sys.apple2

Subject: Re: Apple 2e key(board) trouble

Keywords: apple 2e, spam, lust, keycaps, keyswitches

Message-ID: <[email protected]>

Date: 4 Sep 91 10:22:44 GMT

References: <[email protected]>

Sender: [email protected] (anonymous NFS user)

Distribution: comp

Organization: Tether Propulsion Division, Institute of Knowledge, Jinx

Lines: 64

In article <[email protected]> [email protected] (Jennifer Mosley)

writes:

-I don't know the details, but my father is complaining that the

-a-key on his Apple 2e "doesn't work."

The simple soulution is to clean the keyswitch, as detailed in another article.

If this does not fix the problem, you must replace the keyswitch, a very

simple repair.

1) pull the keycap (the part with the letter on it) straight up. There exists

at tool that does this nicely, but one can get by without it.

2) remove the keyboard from the machine.

a) unscrew the screws on the bottom of the case

b) lift the top casing off the bottom casing

c) unplug the keyboard from the motherboard

d) unscrew the screws that connect the keyboard with whichever casing it's

connected to

3) unsolder the keyswitch from the keyboard. There are two leads on the

bottom of the keyboard for each keyswitch.

4) squeze the plastic tabs on the side of the keyswitch toward the center,

while pulling up on the stem of the keyswitch. This usually requires two

pairs of needle-nose pliers and lots of patience.

5) get a replacement keyswitch from your Apple dealer (or elsewhere). Bring

in the old old keyswitch, because there are five different kinds used on

the IIe, and you want an exact match. You'll need a "straight adapter" as

well, if all the other keys on your keyboard have them. Short stem

keyswitches need adapters, and a long-stem is not quite the same length as

the short+adapters.

6) push the new keyswitch straight into the hole, making sure the leads

go through the holes in the printed circuit board, until the plastic tabs

click in place.

7) solder the two leads to the circuit board.

8) put the computer back together

9) replace the keycap

-BTW, when we bought my apple, one of the keys was broken and the

-'tile' (the cover with the letter on it) was missing.

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 240 of 572

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