EQ on Channels 2 and 3

[Ytsejammer777]

New Mark V owner as of about a month ago. I was playing around with it last night and noticed that the EQ is permanently engaged on channels 2 and 3. I can't turn it off. If I turn the EQ switch to the off position, the LED turns off, but moving the sliders on the EQ still shapes the sound. The switch does seem to turn on/off the EQ on channel 1. Now, I usually never turn off the EQ for channels 2 and 3 anyway, but it leaves me uneasy knowing there might be an issue. I have also tried setting the switches to "EQ FS" and turning it off via the footswitch, but no luck.

Any ideas or is this bound for my amp tech?

Thanks!

 

[Jedro]

I've had problems with my EQ not engaging correctly and every time it's because the footswitch cable isn't firmly seated into the jack on the amp.

Good luck.

 

[Ytsejammer777]

Unfortunately, the EQ is still active with no footswitch of any kind attached. Today, I hooked my RJM Mini Amp Gizmo up and hit the button for EQ on Channel 1. Channel 1 now behaves the same way and I can't turn off the EQ anymore on channel 1. I suspect there is something wrong with the gizmo that has done something to the circuitry that turns on/off the EQ. I'm going to have to take my amp into a service center it appears.

I'm going to send my gizmo to RJM and have them look at it....

Stay tuned.

 

[Ytsejammer777]

Amp is fixed. Shorted transistor in the EQ circuit. I'm about 99% sure that the amp gizmo caused the short. I'm sending it off today to have RJM look at the unit.