Re: Problems with a long board 1541

From: Daniele Gratteri (
Date: 2002-04-09 19:19:48

  • Next message: Daniele Gratteri: "Re: Problems with a long board 1541"
    ----- Original Message -----
    From: <>
    To: <>
    Sent: Tuesday, April 09, 2002 8:00 AM
    Subject: RE: Problems with a long board 1541
    Hi Ruud,
    > I presume this means that the red LED lights up for a few seconds and then
    > goes out. Same for the motor, it turns for a few seconds and stops. If so
    > the computerpart most likely should be OK.
    Yes, right, it does an initialization like the one you described but, after
    that, it can't hear the computer.
    > The first thing I would do is to replace the 7406 and 74LS14 you'll find
    > near IEC-connectors. These IC's buffer the signals from/towards the
    > computer. If these are brooken, the 1541 won't even "hear" the computer
    > thus never will respond to any command at all.
    Surely I will do. It seems it happens quite often that these ICs blows up,
    since very probably it isn't the first time they are going to be
    substituted. Thanks,
      ____                                                             __
     / ___|____   Daniele Gratteri, Italian Commodore and Amiga user  ///
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