I got this Pioneer CT-F500 for free. It was a bit dirty but that easily can be cleaned up. Original issue what that autostop was engaging constantly. I had to take apart tape mechanism and figure out what is the problem.
Specs
Type: 2-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Tape Speed: 4.75 cm/s
Heads: 1 x record/playback, 1 x erase
Motor: 1 x DC servo
Tape Type: type I, FeCr, CrO2
Noise Reduction: B
Frequency Response: 30Hz to 16kHz (Cr02 tape)
Signal to Noise Ratio: 64dB (dolby B)
Wow and Flutter: 0.05%
Total Harmonic Distortion: 1.5%
Input: 65mV (line), 0.3mV (mic)
Output: 0.7V (line)
Semiconductors: 27 x transistors, 14 x diodes, 2 x IC
Dimensions: 380 x 140 x 261mm
Weight: 5kg
Year: 1978
Video
Link to the Part 1 – https://youtu.be/bFBtRJ0jKGE
Photos
Conclusion
Very simple deck with hard to work on tape mech !
