Kenwood th-d72 mod(Frequency expansion)
This is the official Kenwood Mod for A (USA) model
SAVE YOUR RADIO MEMORIES FIRST!
1. Remove diode D730 (labeled 1) (near the speaker ribbon cable)
This is how the 3 diodes should be after mod:
1 - removed
2 - removed (USA version does not have it)
3 - must remain in it´s place (that means DO NOT remove it!)
2. Remove diode D729 (On the lower part of the keypad board)
3. FULL RESET the RADIO
MENU>RADIO>AUXILIARY>RESET>FULL RESET
NEW TX RANGE:
136-173.995 MHZ
410-469.975 MHZ
PROCEED WITH CAUTION! I am not responsible for any mods. Proceed UNDER YOUR OWN RISK!
Remember that it is ilegal to operate the radio outside the limits of your class license or permit.