Kenwood Tkm-707 Mods ~upd~
After performing your mods, always test into a dummy load first. Never modify for 11m (CB) operation—it’s illegal, and the radio will bleed harmonics across entire bands. Keep it clean, keep it ham, and enjoy the sleeper classic.
: It is essential to ensure that any use of radio equipment complies with local laws and the specific licensing requirements of the maritime or amateur radio services. Share public link
Altering power output parameters without professional expertise and proper test equipment (dummy load, SWR meter) can lead to hardware failure, such as destroying the final amplifier stage. 3. Microphone and Audio Mods Kenwood Tkm-707 Mods
Common issues include "cold" solder connections on digital PCBs, which can often be resolved by careful resoldering with a low-wattage iron. Connector Cleaning:
Stock clarifier shifts ±150 Hz. For digital modes (FT8, PSK31) or off-frequency marine nets, you may want ±1 kHz. After performing your mods, always test into a
For a ham, this is frustrating. You cannot simply dial up 14.250 MHz to chat. You need:
| Diode | Marine Stock (Typical) | All-Band Mod | |-------|------------------------|--------------| | D5 | Installed | | | D6 | Installed | Remove | | D7 | Empty | Add | | D8 | Installed | Remove | | D9 | Empty | Add | | D10 | Empty | Add | | D11 | Installed | Remove | | D12 | Empty | Keep Empty | : It is essential to ensure that any
Kenwood used a series of diodes on the logic board to create a "frequency matrix." By grounding certain pins on the microprocessor, you tell the radio what regional version it is (USA, Europe, General). The general export version has the widest TX range.