14 Aug
2011
14 Aug
'11
3:51 a.m.
Jos,
I've the o-rings stocked so if you want some let me know, keep in mind that
the clutch between the motor axle and worm-wheel must also be in good shape.
A quick but not preferable fix is gluing the clutch together, otherwise you
can use wire insulation of the right size to fix the clutch.
It's also important to check the caps on the card reader board for high ESR,
I always replace the tantalium caps on those boards.
At the HP Calc museum DVD there is a service manual for the HP 97(S) if you
don't have it you can get a copy from me.
-Rik
-----Oorspronkelijk bericht-----
Van: cctalk-bounces at classiccmp.org [mailto:cctalk-bounces at classiccmp.org]
Namens Jos Dreesen
Verzonden: zondag 14 augustus 2011 9:58
Aan: General Discussion: On-Topic and Off-Topic Posts
Onderwerp: Re: That darned HP card reader...
On 08/13/2011 09:32 PM, Tony Duell wrote:
readers.
HP have made many, many card readers over the
years, for both punched
cards and magnetic cards. Could you tell us what uou ware working on
:-)
Of course,....
It is an HP97S calculator.
Should have realized that my email was somewhat short on info...
Had some replies from people thinking I was working on punched-card
Jos