surfrby Posted March 24, 2017 Share Posted March 24, 2017 New to this forum guys,my Jm 4 looper suddenly has no power,back light or sound when hooked up to an amp with the original adapter, when I use a similar adapter it powers on, everything seems to be working but I still have no backlight or sound coming out, this unit has been used sparingly and never left my little studio, any ideas? 1 Quote Link to comment Share on other sites More sharing options...
DorianSoGray Posted June 12, 2017 Share Posted June 12, 2017 Same problem with my one! no backlights, no sound! Only the playbacks can i hear when i plug the stereo line out. Please help! Quote Link to comment Share on other sites More sharing options...
aguzzi Posted January 27, 2018 Share Posted January 27, 2018 Went through the same trouble on my JM4. Replacing the adapter did the trick! Get the original. Quote Link to comment Share on other sites More sharing options...
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