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HP Forum Archive 09

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my 41C is making a high pitched beep?
Message #1 Posted by Dubois on 15 Nov 2002, 6:54 p.m.

Every key i press, even the on button emits a high pitched beep. I cleared all audible flags, but it still does it. Any suggestions? Thanks

      
Re: my 41C is making a high pitched beep?
Message #2 Posted by Emmanuel, France on 16 Nov 2002, 3:00 a.m.,
in response to message #1 by Dubois

Please make it beeping with the following command:
XEQ ALPHA B E E P ALPHA
I think it will work well after that.
            
Re: my 41C is making a high pitched beep?
Message #3 Posted by Dubois on 16 Nov 2002, 11:06 a.m.,
in response to message #2 by Emmanuel, France

Thanks, but it still is beeping with every keystroke

                  
Re: my 41C is making a high pitched beep?
Message #4 Posted by Emmanuel, France on 16 Nov 2002, 11:26 a.m.,
in response to message #3 by Dubois

Did you try a MEMORY LOST?
Did you remove battery too?
Where do you live? In France or Canada?
                        
Re: my 41C is making a high pitched beep?
Message #5 Posted by Dubois on 16 Nov 2002, 12:19 p.m.,
in response to message #4 by Emmanuel, France

Actually California, but my parents were from Toronto. I tried all of that, still no luck. I am beginning to think that the calc is broken....

                              
Re: my 41C is making a high pitched beep?
Message #6 Posted by Emmanuel, France on 16 Nov 2002, 12:26 p.m.,
in response to message #5 by Dubois

I have some experience in fixing HP-41s. Which model is it? C, CV or CX? Fullnut or Halfnut? MAy I help you, I have spare parts of HP-41s. S&H not heavy from US? You have my email.

                  
Re: my 41C is making a high pitched beep?
Message #7 Posted by Håkan Thörngren on 18 Nov 2002, 2:57 a.m.,
in response to message #3 by Dubois

If you have CF 26 and then BEEP it do not think it will help as that makes the HP41 silent. Any BEEP or TONE that will make a sound (SF 26 first) should make the high pitched sound go away. The high pitched sound is usually the result of garbage (non-zero) in the internal T register which used for making sound. Any normal beep/tone will put 0 in T when done. If that does not help, then you probably have a hardware problem. Some remove battery battery trick might help, if you are lucky.

      
Re: my 41C is making a high pitched beep?
Message #8 Posted by Juergen Rodenkirchen (GER) on 16 Nov 2002, 3:29 p.m.,
in response to message #1 by Dubois

Hi!

I have an at least similar "phenomenon" encountered on my HP-41C. This unit "sounds" a very high pitched tone when an arbitrary module is plugged into certain ports (contact problem?). So, if you have any module(s) installed, de-install it (them) and try again.

Regards, Juergen

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