Mods | Kenwood Tkm707

2. Page 3. MAINTENANCE AND ADJUSTMENT. TKM-707. Adjustment 1-1. Cover removal Before removing the cover, turn the DC power supply' Repeater Builder®

Below is a guide to the most common modifications, maintenance hacks, and performance upgrades for the TKM-707. 1. MARS/CAP Modification (Wideband Transmit) kenwood tkm707 mods

A known issue in Kenwood digital boards of this era is cold solder connections . Resoldering the main PCB and cleaning the Molex connectors can fix erratic behavior. 4. Cooling System Enhancement TKM-707

This typically involves removing specific surface-mount diodes or 0-ohm resistors on the control board. Professionals often perform this during a full alignment or capacitor replacement service . 2. Audio & Modulation Upgrades and performance upgrades for the TKM-707.

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

Modifications involving the removal of internal components should only be performed with a Service Manual and proper ESD protection to avoid bricking the radio. ssb radiotelephone - tkm-707 - Manuals (Repeater Builder)