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Emu XL-7 & MP-7 User's Group

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RE: [xl7] Re: Volume knob -> power down problem, can't turn the unit back on??

2005-10-28 by BEAUFILS Adrien

Hi, 
 
As i 'm french user of this group i will try to explain the manip to solve you're problem:
 
In fact the volume knob and the jack headphone are "linked". Many user have problem with a "buzz" noise in the headphone. Maybe your problem have the same "source". It apppear that the jack headphone isn't corectly electricaly isolated from the box. So you will have to open your box and to throw off the jack headphone and the light (  the contact of the vomume knob too ). After the but is to isolate these components from the box ( all the components ). To do that you can simply buy an isolant varnish and to cover the pieces which are in contact with the box ( the part of the box too ). After doing this operation it seams that the problem of the "buzz" has been deseappear. Maybe it will work for your volume knob's problem.
 
Hope that you anderstand my translation.
 
@+
 


tekno_freax <tekno_freax@...> a écrit :
--- In xl7@yahoogroups.com, "cimerian83" <cimerian83@y...> wrote:
>
> Hello to France !
> 
> This solution to the humm noise is at :
> 
http://fr.forums.audiofanzine.com/apprendre/mailing_forums/index,idto
pic
> ,151072,page,1.html#2511418
> 
> Best regards !
>

Hello Cimerian83,

My knoweldge of the French language is almost non-existant, I'm from 
the Netherlands, I did find an interesting link to a software 
editor, so thanks for that.

Further, I found out yesterday that the soft on/off button only 
works when the volume is between 0% and 50% full. Any higher and the 
on-off button doens't work at all. Also it can power down by 
twisting the volume knob from 100% position down to the 0%-50% 
range. So there is definitly some strange connection between these 
two parts... maybe some short-circuit between them.

Does anybody ever experianced this? I hope its a hardware problem, 
at least that can be fixed!

Thanks,






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