4 Nov
1997
4 Nov
'97
10:23 a.m.
Absolutely. The wire in question is between pins CA1
and CB1 on the _same_
slot - the slot the control cart of the UDA50 is in. It's a little loop of
wire, and is quite difficult to find the first time.
Okay... I'll give it a shot! But if I foul up, I'm stuck - I don't have
a wirewrap tool. 
4 Nov
4 Nov
11:09 a.m.
On Tue, 4 Nov 1997 Philip.Belben(a)powertech.co.uk wrote:
And what's wrong with solder?
You can always
solder a jumper back in place.
Oh, come on, Tony, _please!_
Individual socket pins from various types of connector (including D I
think) fit quite well over these backplane pins. Crimp or solder a
There are some nice square socket contacts (with all 4 sides present, not
U-shaped ones that won't stay on the pin without a housing) in the Farnell
catalogue.
short length of wire to two of these and hey presto!
A removable NPG
jumper. NB take care that these don't stick out so far as to foul on
the case...
Hmmm... I'd not want to trust my machine to something like that. Sure it
will work. It's certainly useful for quick tests (I have a few jumpers
like that for exactly that purpose), but I'd not trust NPGs to a contact
that may fail or may short to 0V at any time.
I approve of home repairs and kludges more than most (heck, I'm probably
one of the few people here to have rewound an LA3 carriage motor, rebuilt
a Canon laser scanner unit, etc). But if you can do the job properly, and
if the necessary tools are cheap (heck, $8 is not that much), then why not
do so.
Philip.
-tony
11:55 a.m.
Tony Duell wrote:
On Tue, 4 Nov 1997 Philip.Belben(a)powertech.co.uk
wrote:
And what's wrong with solder?
The only problem with soldering to a wire wrap pin is that it can't be
wirewrapped again, at least with the same reliability of a non-soldered
wirewrap pin.
You can
always solder a jumper back in place.
Oh, come on, Tony, _please!_
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ard＠odin.phy.bris.ac.uk -
marvin＠rain.org -
Philip.Belben＠powertech.co.uk