There may be other issues.. I have no time to fool with it.
Picture shows it lit up. All button lights work properly.Not many of these left this clean. A very Rare Old School Pioneer DEQ 7600 Car Stereo Graphic Equalizer with DSP Audio EQ for Parts or repair. The item "Rare Old School Pioneer DEQ 7600 Car Stereo Graphic Equalizer DSP Audio EQ Parts" is in sale since Thursday, October 28, 2021. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Signal Processors". The seller is "classic_designs" and is located in Quitman, Louisiana.
This item can be shipped to United States.