Atari 520STFM joystick port fault

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Atarinewbie77
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Atari 520STFM joystick port fault

Postby Atarinewbie77 » Mon Jun 18, 2018 10:10 am

Hi!

Todays my bitrthday and my wife surprised with my childhood dream machine, a lovely boxed Atari 520stfm.. she said she’d tested it when arrived and the games loaded fine BUT what she didnt do was test the joystick!

I plugged in a joystick, loaded up nebulous and i can fire, move left but cant move right. I tried swapping ports and on the other I can move right but cant move left.

I tried booting to the desktop to test the mouse and it wouldn’t move at all so I wiggled the wire and by holding it in a certain position it moved around the screen but neither button seems to work.

Ive done a little research and im thinking the solder points probably need resoldering or could it be something else? I saw one video where a guy replaced a chip at the same time as resoldering the connectors but I cant rem what he replaced..

Any advice very welcome as im dying to try it all out! I mod sega master systems and patch games for it so my soldering skills are okay. I just need to know what to do exactly, a good video guide would be useful,

Thanks

Marc

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Re: Atari 520STFM joystick port fault

Postby Atarinewbie77 » Mon Jun 18, 2018 12:05 pm

A quick pic of what I got :)

Image

tzok
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Re: Atari 520STFM joystick port fault

Postby tzok » Mon Jun 18, 2018 7:16 pm

Typical issue for the STf/e keyboards. Resoldering ports should do the job. Just use good flux, and leaded solder.

Atarinewbie77
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Re: Atari 520STFM joystick port fault

Postby Atarinewbie77 » Tue Jun 19, 2018 6:43 am

Cheers, i thought so, ill give it a go! :)

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simonsunnyboy
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Re: Atari 520STFM joystick port fault

Postby simonsunnyboy » Tue Jun 19, 2018 3:27 pm

And test the joystick on some other system. Maybe it is not the ST but the joystick (happened way too often for me in the past)
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Atarinewbie77
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Re: Atari 520STFM joystick port fault

Postby Atarinewbie77 » Tue Jun 19, 2018 4:54 pm

simonsunnyboy wrote:And test the joystick on some other system. Maybe it is not the ST but the joystick (happened way too often for me in the past)


I tried that, the joystick as a switch to change between atari, sega, commodore etc and it works fine on my master system. I also tried a sega master system pad with the same result, ill get soldering this week and cross my fingers lol

Cheers

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Re: Atari 520STFM joystick port fault

Postby Atarinewbie77 » Wed Jun 20, 2018 7:09 pm

:cheers: success!! Took the keyboard out and found the problem, the solder was do dry only a few pins were still attached!

It all now works brilliantly, nice to find the screw sticker still intact so i know its never been messed with. The atari was very clean inside which was a big plus.

So now 30 years after getting an Atari 65xe for christmas I get the computer I dreamed of :D

I was going to install a gotek drive but decided not to, ill just buy the odd game that takes my fancy that way ill def play it.

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tjlazer
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Re: Atari 520STFM joystick port fault

Postby tjlazer » Sun Jul 01, 2018 6:31 am

Get Floppy Image and an older PC with built in floppy drive and copy any MSA or ST image to a real 720k disk!
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