M2706 Macintosh IIGS compatible mouse and IIGS mouse A9M0331 or G5431 and Apple Joystick A2M2012 button failure

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Joined: Dec 19 2003
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Re: M2706 Macintosh IIGS compatible mouse and IIGS mouse ...

I have found that some of the worst switch oxidation like this can be fixed by spraying in some DeOxIt, and working the button action repeatedly. If you want to be really thorough you can then blast out debris with compressed air and DeOxIt again.

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Re: M2706 Macintosh IIGS compatible mouse and IIGS mouse ...

I examined the surface of the D2F Omron switches when they get oxidized. The electricity that flows through the switch can not only cause oxidation, but eventually, all switches this small cannot handle the current through them and so the metal gets eaten away. Although I have to say that the other button cannot have this problem due to the fact that the contact inside is too big to be affected by the electricity.

The other concern I have about currently used products like this is that ever since environmental laws came into effect, virtually all replacement products I have tried don't even come close to their "pre-environmentally unsafe" counterparts. To put it simply, they all stink. Since I have tried so many, it seems unlikely that the next one will be any better.

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Joined: Mar 15 2015
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Re: M2706 Macintosh IIGS compatible mouse and IIGS mouse ...

Thanks for this info. Can anyone recommend a good joystick testing program? I tried the one on MECC but it says no joystick is connected. It definitely is. In the DOS 3.0 Sample Programs is the Arkanoid style brick game, and the joystick stick works for that, though the buttons do not.

So I'd like a testing program to calibrate and check the results of repairing the buttons.

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IIeBoy

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Joined: May 27 2013
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Re: M2706 Macintosh IIGS compatible mouse and IIGS mouse ...

IIeBoy wrote:

Thanks for this info. Can anyone recommend a good joystick testing program? I tried the one on MECC but it says no joystick is connected. It definitely is. In the DOS 3.0 Sample Programs is the Arkanoid style brick game, and the joystick stick works for that, though the buttons do not.

So I'd like a testing program to calibrate and check the results of repairing the buttons.

I am not sure if these programs will do but try:

http://www.applefritter.com/content/quickshot-joystick-internal-connector