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scouter3d

Member Since 17 Aug 2010
OFFLINE Last Active Feb 18 2013 11:52 AM

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Atari 1050 Turbo (ENGL) repair help needed ...

Thu Jul 19, 2012 7:26 AM

Hi,

I have a defect 1050 Turbo (ENGL) v2 Floppy speeder.

The Utilities boot when i boot the 1050 with "open handle", i can also boot disks normaly and with highspeed SIO transfer, but if i start one of the built in utils (maintanance box, copier ...) they are not working ... the Maintanance box shows module "FAIL" without an inserted disk and with a disk it simply crashes and goes back to the main menue ...

I have tested the Turbo speeder in 3 different 1050´s and it acted the same ...

I have allready replaced the Eprom => no difference
I have replaced the GAL also (a friend burned me a new one, but i am not shure if it is OK ?!? as i have now way of testing it and no way of burning one myself...) => no difference
I also replaced the Transistor and the 2 capacitors ... still no change in behaviour

btw. i also checked all the soldering and continuity between parts ...

Any Ideas are more than welcome ...

Greetings TOM:-)