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IC-730 Sidetone Pitch Control

Discussion in 'Radio Circuits, Repair & Performance' started by KP4SX, Feb 26, 2021.

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  1. KP4SX

    KP4SX Premium Subscriber QRZ Page

    I pulled out my old IC-730 to play around with. The CW sidetone pitch seemed too high for me but no way to adjust it.
    Now there is. From a mod shown in Jan 85 73 Magazine.
    Simply replace R109 with a small pot.
    Got the pitch down from 896 Hz to 750 Hz.

    730mod 003.JPG 730mod 005.JPG 730mod 009.JPG
    W1NB likes this.

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