Kenwood Tkm707 Mods __exclusive__
: Locate the Automatic Level Control (ALC) trim pot on the main TX unit board. Adjusting this slightly prevents over-modulation while maintaining peak talk power.
Adding isolation transformers or custom cables to the microphone and speaker jacks to allow for digital modes like FT8 or JS8Call on HF frequencies. Critical Resources for Modding
On many TKM-707 units, you can’t type “14.250” directly. Instead, you must scroll. However, some firmware versions allow:
If you own one now, the best "mod" is ensuring the (a soldered-in coin cell on the board) is replaced. If that battery dies, the radio loses its programming, and without the ancient KPG-21D software and a DOS-era computer (or a serial-to-USB adapter with the right drivers), the radio becomes a paperweight. kenwood tkm707 mods
No hardware mod needed – just user knowledge.
This article explores popular , the reasoning behind them, and crucial maintenance tips to keep this classic radio performing at its peak. Understanding the Kenwood TKM-707
Now test on a dummy load or ham bands into an antenna. You should be able to key up on 7.200 MHz LSB. : Locate the Automatic Level Control (ALC) trim
: Tap into the switched 12V DC line inside the radio, or run the fan wires externally to your main station power supply.
Moderate (soldering required) Principle: Bypass the factory frequency mask by removing or cutting a specific diode on the control board.
Are you planning to use this radio for or digital modes (FT8) ? Critical Resources for Modding On many TKM-707 units,
across wide-ranging amateur bands, it must interface with a versatile antenna system.
The Kenwood TKM-707 Go to product viewer dialog for this item.
