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Modifiche - Forumradioamatori.it non รจ in alcun modo responsabile di eventuali danni subiti, se non sei sicuro di quello che fai lascia perdere e basta!!! => KENWOOD => Discussione aperta da: RADIOMOD il Lun 07 Gennaio, 19:21 2013
KENWOOD TM-421A
EXTENDED RF and ALIGNMENT CONTROLS
1- Remove power and antenna.
2- Remove top and bottom cover.
3- Remove the channel knob.
4- Remove the microphone ring.
5- Remove the volume and squelch knob.
6- Remove the front panel from the unit.
7- Remove the front control unit from the chassis
8- Locate component side of the control unit circuit board.
9- Locate and remove chip resistor R-25 and place it in empty space R-23.
10- Remove R-22.
11- Reassemble the radio.
12- Reset the microprocessor Press and hold [MR] wile turning the power ON
CONTROLS:
~~~~~~~~~~ VR-1 S-Meter
VR-3 Audio ADJ.
VR-4 RF Meter
VR-7 Low power
TC-1 Freq ADJ.