Please enable / Bitte aktiviere JavaScript!
Veuillez desactiver vos / Por favor desactiva el Javascript![ ? ]
TM-741 & TM-941 modifications | Radioaficion Ham Radio

TM-741 & TM-941 modifications

Share

KENWOOD TM-741 & TM-941

EXPANDED RF

1 Remove power and antenna

2. Detach the front control head assembly.

3. Locate and cut the GREEN wire on the control board. The control board is on the body of the radio. The GREEN wire is located towards the left edge of the board. Tape the edges of the green wire to prevent shorting.

4. Remove the back cover from the control head.

5. Locate and remove chip resistors R54 and R55. Caution should be taken while removing these resistors.

6. Reassemble the control head.

7. Reassemble the transceiver.

KENWOOD TM-741 & TM-941 modifications

New Frequency range:

18-54 MHz 50-90 MHz 118-174 MHz 215-260 MHz 410-470 MHz 1100-1400 MHz


KENWOOD TM-741 & TM-941

CROSS BAND REPEATER

1 Remove power and antenna and the top and bottom covers.

2. Detach the front panel assembly.

3. Locate and cut the GREEN wire on the control board. The control board is on the body of the radio. The GREEN wire is located towards the left edge of the board.

4. Locate and cut resistor R58. R58 is blue colored and located on the control board (Cross band repeater mod)

5. Reassemble the transceiver.

KENWOOD TM-741 & TM-941 modifications

CROSS BAND OPERATING PROCEDURES: The TM-X41 will receive a signal on one band and will automatically retransmit it on the other band. Each band can contain shift information. Only one band may contain PL encode/decode information. Only one band may contain Tone and CTCSS.

1 Select one of the band using the BAND SELECT key.

(The PTT indicator will light.) 2. Select the other band by pressing the CONTROL SELECT key.

(Skip this step for one way repeat only)

(The green light on the key will light.)

Turn on / off the Repeater mode :

Press the [F] key and then press the [MUTE] key.

Related Articles