1200 mk2 users I need help

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1200 mk2 users I need help
Posted on: 18.03.2012 by Hollie Slaight
I was playing a gig last evening and one of my decks started to speed up on its own with out me touching the pitch.I turned it off and turned it back on and it worked again for a few minutes than did it again.Has anyone ever had this problem?If so do you know how to fix it? Thanks for the help in advance
Hollie Slaight
18.03.2012
I was playing a gig last evening and one of my decks started to speed up on its own with out me touching the pitch.I turned it off and turned it back on and it worked again for a few minutes than did it again.Has anyone ever had this problem?If so do you know how to fix it? Thanks for the help in advance
Ira Alsadi
19.03.2012
The pitch fader would be the first place I would start looking. It could be a few things, but start with the cheapest solution and start narrowing it down that way. I have seen power surges do this also which is why I was asking if the lights got brighter when it happened.

Could be a dirty pitch fader, bad pitch fader, bad motor, bad motor drive board, bad transformer, or bad pitch PCB. It could be something as small as a resistor in the pitch circuit somewhere or on the drive board.
Hollie Slaight
19.03.2012
would it be the pitchfader it was set to zero I never touched it and it did it but I will hook it up and see if the lights brighten
Ira Alsadi
18.03.2012
Did the lights brighten when the pitch increased? If not I would suggest cleaning out the pitch fader then recalibrating it.

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