On Fri, Aug 05, 2016 at 03:41:32PM -0500, Tom Uban wrote: > I have a linctape drive, which is a dectape compatible unit. I do not have > the controller or any documentation, but it does have a head which might be > useable to replace the broken head. If this would be useful, I would be > willing to contribute it to the cause.
Please don't scavenge a LINCtape. it would be more valuable on a LINC or PDP-12 which are must rarer. > > Please see attached pics. The list strips pics. Send separately or put on the web. /P > > --tom > > > On 7/25/16 7:03 PM, Michael Thompson wrote: > > During our PDP-12 debugging today we found that the left tape head has an > > open coil for data track 0. The left head was OK a little more than a year > > ago when we found the open coil in the right head. One TU56 head on my > > personal PDP-8/e also had an open coil when I got it. > > > > Our guess is the chemicals from the epoxy potting, possible flux residue, > > and poor soldering are causing the failures. Getting the epoxy potting out > > to repair the solder connection has proved impossible so far. > > > > Any source for three TU56 tape heads would be appreciated. > > > > We are also interested in ideas on how to get the epoxy potting out without > > destroying the head. > > >
