Sony Stereo Cassette-Corder CFS-930 Teardown
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Background and Identification
A cassette player is a device that can read music from a compact cassette and (optionally) record new material onto the tape for your sweet mixtape. The compact cassette is a magnetic storage medium created by Philips in September 1963. Compact cassettes rose to popularity in the 1970s and 80s as they provided a simple way to play music and were more portable than vinyl LPs. The compact cassette replaced older magnetic tape standards such as the 8-track and reel-to-reel, but all these formats used the same basic principles for recording using magnets. The tape has a thin layer of metal on it which is magnetized during recording to encode the audio signals (more info here).
The Sony Stereo Cassette-Corder CFS-930 is a cassette player and recorder that was advertised as being water-resistant. The boombox can be easily identified by its bright yellow color and the name “Sony” printed in capital letters across the front of the cassette-loading area. Underneath the cassette loading area, the words “Water Resistant” and “Sports” are printed in capital letters, with “Sports” printed in a larger font underneath “Water Resistant.” A range of buttons is placed on the boombox’s top face that allows the user to start, stop, pause, and record.
Cassette players generally contain a hatch to load the cassette and two spindles inside that stick through the holes in the cassette. The most common issues with cassette players include dirty heads which can be cleaned with isopropyl alcohol and broken pulley belts which can be found for a low cost online and replaced. Give it a try!