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sp250 korg problem, volume to zero, right speaker sounds.

 
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vadevale



Joined: 10 Jan 2015
Posts: 2

PostPosted: Sat Jan 10, 2015 4:04 am    Post subject: sp250 korg problem, volume to zero, right speaker sounds. Reply with quote

hallo
I have my sp250 korg stage piano since 2007 an i am very satisfied but

recently i perceived that, during playing, by sliding the master volume potentiometer to the left end (zero), the right speaker still sounds.

Sliding to the right (increasing the sound) and about at 15% of the total length of potentiometer, the left speaker starts to sound too and the sound inreases progressively from both speakers.
The same results when using headphones instead of speakers.

In the past, when master volume potentiometer was set to zero there was, normally, no sound from both speakers .
I tried, by POWER ON while pressing both [REVERB] and [TRANSPOSE], to enter TEST MODE and the result is that E.PIANO2 LED flashing.
Any suggestion?
Thank you.
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vadevale



Joined: 10 Jan 2015
Posts: 2

PostPosted: Wed Apr 08, 2015 7:36 pm    Post subject: at least i found the solution Reply with quote

The hole problem was that the slide potentiometer was internally dirty. I clean it with a small cotton batonette and glass cleaning spray, an everything is all right.
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