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KENWOOD TH-42AT
Expanded RF 136.000 Mhz to 173.995 Mhz
1- Disconnect battery and antenna.
2- Remove 2 long screws from the rear case.
3- Remove the control knobs from the top of the radio.
4- remove the rubber top panel.
5- Separate the front and back halves. (Squeeze the bottom from panel)
6- Locate and Remove Diode D-208. ( Located on the front panel circuit
board)
7- Install the diode into location D-212. ( Diode D-210, and D-212
face the same direction ).
8- Reassemble the radio
9- Reset the microprocessor ( see OWNER manual.