Pioneer PD-M603 6 Disc CD Changer Cartridge Player Vintage Compact retail Disc Parts

Product Name: Pioneer PD-M603 6 Disc CD Changer Cartridge Player Vintage Compact retail Disc Parts
This thing is in great shape but doesn't seem to read CDs anymore. It cycles through them and ends on No Disk. Would be great for parts or to fix. I'm just not sure what the problem is. The loading cartage is included, as shown. It's missing the Pioneer badge on the front.Disc format: CD (6 disc multi play) Digital converter: PD2026B CD Mechanism: PEA1179 Frequency response: 2Hz to 20kHz Dynamic range: 96dB Signal to Noise Ratio: 102dB Total harmonic distortion: 0.003% Line retail output: 2V Dimensions: 420 x 299 x 105mm Weight: 3.8kg Accessories: remote control, six disc CD magazine Year: 1994 Pioneer PD-M603 Compact Disc 6 Disc Changer cartridge magazine player CD vintage.