From bruce@ashbysolutions.com Thu Apr 27 11:35:22 2006
Subject:Re: Leslie 2101 trouble

Hi,

That has nothing to do with the DX-7 battery. It's a standard Lithium battery, and CANNOT be charged -- it might explode! Some DX-7's draw very little backup power, and if they're used a lot the battery can really last a long time.

A battery is not necessarily anything like a capacitor, other than that it stores energy. So does a flywheel.

Regards,

-BW

--
Bruce Wahler
Design Consultant
Ashby Solutions™ http://consult.ashbysolutions.com
978.386.7389 voice/fax
bruce@ashbysolutions.com

At 06:13 PM 4/27/2006 +0000, you wrote:
>Once upon a time, I think some device's backup batteries were
>actually recharged while the device was turned on. In some cases, the
>backup "battery" was actually a capacitor in a circuit that would
>allow it to discharge very slowly. In theory, I guess all batteries
>are basically capacitors.
>
>--- In CloneWheel@yahoogroups.com, "Barry" wrote:
>>
>> I was just checking my first version, early DX-7 and the battery is
>still
>> fine - that thing has to be close to 20 years old! I still love it
>though!
>>
>> ----- Original Message -----
>> From: "tonysounds"
>> To:
>> Sent: Thursday, April 27, 2006 12:55 PM
>> Subject: Re: [CWSG] Re: Leslie 2101 trouble
>>
>> > You expect it with keyboards, not amplifiers....
>> >
>> > jjmcs49 wrote: I forgot to ask, why might it be a
>> > serious problem? Doesn't just about
>> > every computer and keyboard (and probably just about every other
>> > electronic device) made today have a backup battery?
>> >
>> > --- In CloneWheel@yahoogroups.com, "David Jacques"
>wrote:
>> >>
>> >> FYI.... Just learned from a friend that there may be a serious
>> > problem with
>> >> the design of the 2101. There is a Lithium battery on the circuit
>> > board that
>> >> regulates the power switching for the 11 pin interface.
>Eventually
>> > that
>> >> battery will die... along with the power to the amp. I am
>curious how
>> >> easily, or even if it is possible, to replace this battery.
>Anyone
>> > have any
>> >> ideas?
>> >>
>> >
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