Modifica espansione di banda + CROSS Band Repeater per KENWOOD TH-77A

[RADIOMOD]

Kenwood TH-77A

Expanded RF and CROSS Band Repeater AM receive on 118 - 136 Mhz



Use all your attention to do this modification.

1- Disconnect the battery and take out the antenna do not press or pull.

2- Remove the tree case screws and two from battery plate.

3- Lift front panel from radio. Do not disconnect flex cable.

4- Remove resistor R-128 and R-129. Capacitor C-124 may be glued
down over these resistors. You may wish to unsolder the capacitor to avoid
tearing the flex board foil traces.

5- Reassemble the radio back.

6- Reset the CPU

NOTE: AM sensitivity is typically less than 1uV for 10db S+N/N.

CROSS BAND OPERATING PROCEDURES: Turn ON / OFF the repeater mode.
Press and hold the [ SUB UP ] key and turn power on.