Matsui PR37 Chipset

The PR37 uses the Sony CXA1619BM radio integrated circuit (IC). This was an extremely popular IC with high sensitivity and low power consumption. There are many portable Walkman style radio cassette players utilising this IC.

CXA1619BM Pinout

If you are a radio enthusiast, then this IC is one of the best ones for building radios.

Circuit Diagram

Here is a circuit diagram utilising this IC. This is useful if you want to hack your radio to modify it. You can learn a lot by modifying it and changing component values.

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