I have a mackie cfx 12 mk11 mixer and have a faulty mains out channel(xlr & jack) right mains out is ok, has this mixer got micro electronics and can this problem be repaired by any technician
Music - Mackie - 1604 Vlz3 16 Channel Mixer
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Answers & Comments
Yes, there are chips in the unit and any COMPETENT tech should be able to repair.
Since both the XLR and the jack are bad, this implies something more.
USUALLY Mackie drives the XLR and the unbalanced jack seperately so the problem would be what drives the unbalanced jack.
CHECK if you have output at the UTILITY left output jack. If you do, the driver chip for the left output main is the problem.
If you don't, the problem may back up farther into the EQ.
A LOT of troubleshooting can be done on these by using the block diagram in your manual showing signal paths.
Note that in your case, there are NOT separate drives for the jack and the XLR.