Kenwood Tkm707 Mods Jun 2026

Continuous TX from 1.6 MHz to 30 MHz, AM/FM modes still limited by hardware.

The TKM-707 uses a coin-cell battery to retain memory channels. If your radio resets every time it's powered off, you'll need to replace this battery , which may require soldering.

Electrolytic capacitors in the power supply and audio stages are prone to leaking. A proactive recap kit installation can prevent board damage.

Marine radios require a high-quality ground plane. Ensure the chassis is connected to a proper ground system JustAnswer . kenwood tkm707 mods

Have you performed a unique mod on your TKM-707? Share it in the comments below. And remember: with great power comes great responsibility on the airwaves.

The AT-300 tuner is effective, but it must be properly calibrated to the specific antenna system in use.

: The most comprehensive repository for Kenwood modification papers, including full-range TX unlock and MARS/CAP specific instructions. Scribd - Kenwood TKM-707/TRC-70 Service Manual Continuous TX from 1

Many users report that adapting an Alinco microphone significantly improves modulation depth and clarity.

To perform this mod, the radio must be opened and the two diodes carefully cut or desoldered. In addition to the diodes, the radio features a bank of four DIP switches, S301 . Their settings also affect the radio's behavior:

mods.dk hosts specific user-submitted articles regarding dip switch settings and transmission hang-up fixes. Electrolytic capacitors in the power supply and audio

: Reassemble the case. Perform a full CPU master reset by holding the A=B or M>VFO button (depending on firmware) while powering on the unit.

Many users connect a high-quality external communications speaker to the rear jack for better clarity.