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Bc2000 (for the BCF2000 & BCR2000)

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Re: [bc2000] Re: replacement pots

2014-11-28 by jb

update pots:
these ones are new at mouser but have 11 weeks leadtime.  they are 
reasonable in price and should fit . i have not tested or orderd.

PEC12R-4030F-S0024

Am 26.11.14 21:54, schrieb jb aomusik@... [bc2000]:
>
> sorry made a mistake with the code.
> its EN12-HS 2 0 A F 25 or 30 not sure bout the length but T needs to 
> be 12.
>
> Am 26.11.14 21:46, schrieb jb aomusik@... [bc2000]:
>>
>> hey.
>> i�ve been looking into that quiet often .
>>
>> 1. replacement is not straight forward as the pots are soldered into the
>> ledring�s housing and hard to reach. desoldering those encoders needs to
>> be done with a lot of care as not to damage the circuit board itself.
>> best bet is to clip them of from the top (inside the ledring�s housing)
>> , then carefully use solder braid from the bottom side and finally a
>> suction pump to get the remainig bits out of the holes. clean with
>> aceton or isoprop.
>>
>> 2. the encoders itself are alps.
>>
>> http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E_list.html
>>
>> but have special specs that are not available on website.
>>
>> find some 12mm ( 12mm x 15 mm) encoders without bushing, 24 to 30
>> positions, without detend , total length shaft and house 30mm , d-type
>> flatted shaft. and you are good to go.
>>
>> theres some with bushing here ( they might fit even with bushing ) :
>> http://www.bitechnologies.com/pdfs/en12.pdf
>> code: EN12 - VS 2 0 A F 30
>>
>> if you still have warranty on yours - send it back. this will be way
>> more easier!
>>
>> check this to get some views from inside :
>> http://www.knutsel.org/2010/09/14/behringer-bcr2000-2/
>>
>> good luck.
>>
>> j.
>>
>
>

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