Etc expression 2x master

Help! Called in as a friend to troubleshoot!
expression 2x master fader

someone has tried to replace the fader and did a hack job! Is there a schematic available for the master fader area of the pc board? The fader is keeping everything off no matter it’s position

they have a show tonight!!
thank you in advance!!

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Jeff74421 11 months ago in reply to mmeskill +1

Thank you to all!! Crisis fixed for now ! I should have thought of disabling the Gm but it’s been a while since I’ve worked with this board…

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mmeskill 11 months ago
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Kevin Green 11 months ago in reply to mmeskill

Removing the Grand Master potentiometer (P8) and shorting the wiper to CR12 would bring the GM to full. There is also a menu item in setup which allows you to disable the GM. That shouldn't require any circuit board work at all.
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mmeskill 11 months ago in reply to Kevin Green

Setup

1

Master Type (maybe option 10)

Disable GM
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Jeff74421 11 months ago in reply to mmeskill

Thank you to all!! Crisis fixed for now ! I should have thought of disabling the Gm but it’s been a while since I’ve worked with this board…
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Jeff74421 11 months ago in reply to mmeskill

Thank you to all!! Crisis fixed for now ! I should have thought of disabling the Gm but it’s been a while since I’ve worked with this board…
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Jeff74421 11 months ago in reply to Jeff74421

We will now be in search of a replacement once this weekend is complete…
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Jeff74421 11 months ago in reply to Jeff74421

We will now be in search of a replacement once this weekend is complete…
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