The Museum of HP Calculators

HP Forum Archive 16

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opening an HP-71B
Message #1 Posted by Hugo on 26 June 2006, 10:36 a.m.

Hi all,

i recently had the luck to buy an HP-71B "nonworking" but only one battery contact is gone (it works well with an AC adaptor!).
i would like to repair it but how do i best open it? I found a lot of screws but these seem to be of a very small hexagonal size...
does anyone know which kind of tool is needed? or any other hints?
thank you in advance

      
Re: opening an HP-71B
Message #2 Posted by Etienne Victoria on 26 June 2006, 10:53 a.m.,
in response to message #1 by Hugo

Hi Hugo,

Luiz & Tony have posted a very nice explanation on this topic HERE.

The screws are TX6s : You'll need a Torx 6 screwdriver or a small Allen.

Cheers from France.

Etienne

Edited: 26 June 2006, 10:56 a.m.

            
Re: opening an HP-71B
Message #3 Posted by Hugo on 27 June 2006, 3:41 a.m.,
in response to message #2 by Etienne Victoria

excellent!
thank you for the link, it makes everything clear. Now just finding such a TX6 in Belgium...
regards,
Hugo

                  
Re: opening an HP-71B
Message #4 Posted by Vassilis Prevelakis on 27 June 2006, 5:04 a.m.,
in response to message #3 by Hugo

Hugo wrote:

> Now just finding such a TX6 in Belgium...

Oh come on, I found torx screwdriver kits in Greece, surely you can find a shop in Belgium that stocks such items .

**vp

                        
Re: opening an HP-71B
Message #5 Posted by Hugo on 27 June 2006, 8:29 a.m.,
in response to message #4 by Vassilis Prevelakis

thanks folks,
the one i found up to now were not smaller than 1,5 mm but apparently it should be even smaller- shall look again!

                  
Re: opening an HP-71B
Message #6 Posted by Etienne Victoria on 27 June 2006, 5:37 a.m.,
in response to message #3 by Hugo

Bonjour, goeie middag,

Got my Torx at BricoCenter, avenue Brugmann, Bruxelles.

Etienne


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