I have a fishman sa220 on the bench.. Customer didn't connect the jack or XLR into correctly and during the show kept turning it up and up and when he realized what he did he he pushed the connector in the the pa speaker came to lige
Even since then you power it up , when you turn it up high. It cuts out.... but the horns are still working , .....turn the volume back abit the speakers cut back in.
I have no schematic for this , I have contacted fishman, but don't expect any help with the schematic
Its not a intermittent pot, type fault,
Changed the power chip LM3886T
Tried with my test speaker still the same
Monitored the two regulators on the board while it cuts out. All stable
Any thoughts ?
Have a good day
Many thanks in advance
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