Title: Unlocking Potential: A Guide to Kenwood TKM-707 Modifications
- Adjust VR14 (ALC threshold) on the RF unit clockwise – minimal effect without component changes.
- More aggressive: Replace or shunt the ALC detection circuit.
Safety checks
- Frequency counter (to 30 MHz)
- 50Ω dummy load, 150W min
- RF wattmeter (Bird 43 or equivalent)
- Small-tip soldering iron (for SMD diodes)
Software Entry
: Some versions allow frequency entry directly via the numeric keypad by using the C/FUNC key followed by the desired frequency and ENT . Internal Adjustments & Maintenance Technical manuals for the outline several user-adjustable internal settings:
Alarm Tone Level
: Adjust VR6 to modify the loudness of the alarm test tone.