Pioneer DJM-500 Preamp/Mixer

FOR PARTS/REPAIR Unit powers on when plugged in; however, the power button is non-functional and does not turn the unit off. Mixer remains on while connected to power. Fully untested beyond this. SOLD AS IS Missing 2 caps on the bottom of the unit Missing 2 knob (cross fader & master) The CD 1/LINE selector switch is loose and may require repair or replacement