Kenwood Tkm-707 Mods -
Kenwood TKM-707 is a vintage marine HF/SSB transceiver known for its rugged build and 150W output . While modern radios are often software-defined, the
: Provides full circuit descriptions, PLL diagrams, and maintenance procedures. Mods.dk - TKM-707 Section Kenwood Tkm-707 Mods
If you want, I can convert this into a step-by-step workshop guide for performing each mod (with example schematics and a suggested parts list). Kenwood TKM-707 is a vintage marine HF/SSB transceiver
| Modification | Improvement | Difficulty | |--------------|-------------|-------------| | Re-capping PSU board | Reduce ripple/noise | Medium | | Adjusting TX bias (VR1, VR2 on RF unit) | Better IMD | High (requires service monitor) | | Adding heatsink fan (12V triggered by TX) | Reduced PA temperature | Low | the : Provides full circuit descriptions