Modifica espansione di banda per KENWOOD TM-231

[RADIOMOD]

KENWOOD TM-231
EXPNDED RF


1 DISCONNECT THE POWER AND ANTENNA.

2 REMOVE THE TOP AND THE BOTTOM COVER.

3 REMOVE ALL KNOBS FROM THE FRONT PANEL.

4 REMOVE THE NUT FROM THE MIC JACK AND THE NUT FROM THE CHANNEL SWITCH.

5 REMOVE FOUR SCREWS HOLDING THE FRONT PANEL.

6 REMOVE THE TREE SCREWS FROM THE CONTROL BOARD.

7 LOCATE THE GREEN JUMPER WIRE STICKING OUT THE FRONT PANEL, BEHIND
THE VFO BUTTON
8 CUT THE GREEN WIRE AND TAPE THE EDGES TO PREVENT THEM FROM SHORTING.

9 INSTALL DIODE D209 ON CONTROL BOARD part # 1N914. The control board
X57-3310-11.
10 REASSEMBLE THE RADIO.

11 RESET THE MICROPROCESSOR (Press and hold [MR] while turn the power ON).


ALIGNMENT CONTROLS: VR-2 AUDIO DEVIATION
~~~~~~~~~~~~~~~~~~~ VR-3 TX HI power
VR-4 TX MID power
VR-5 S-Meter
TC-3 FREQ. ADJ.