ICOM IC-FR3000 用户手册

4 - 5

TX VCO LOCK
VOLTAGE

RX VCO LOCK
VOLTAGE

REFERENCE
FREQUENCY

1

1

1

2

• LCD display

: A01 LW TXREF 127

• Transmitting

• LCD display

: A01 LW TXREF 127

• Receiving

• Wait for 5 minutes after power ON.
• LCD display

: A01 LW TXREF

Connect the RF power meter or 50 

Ω

dummy load to the [TX] antenna con-
nector.

• Transmitting

• Push the  [PROG] button
• LCD display

: A01 LW RXREF

• Receiving

TX

RX

REAR

panel

RX

Connect the digital
multi meter or oscillo-
scope to check point
CP4.

Connect the digital
multi meter or oscillo-
scope to check point
CP3.

Loosely couple a fre-
quency counter to the
[TX] antenna connec-
tor.

Connect the frequency
counter to check point
CP2.

4.0 V

4.0 V

171.7250 MHz

[GEN74]

173.7250 MHz

[Other]

140.2750 MHz

[GEN74]

142.2750 MHz

[Other]

TVCO

RVCO

FRONT

FRONT

C17

C17

[PRT/BASE]

/[MONI]

[PRT/BASE]

/[MONI]

CP4

 (TVCO unit)

TX VCO lock voltage 
adjustment

TX VCO lock voltage
check point

CP4

CP18

CP2

CP1

CP3

LV

(RVCO unit)

RX VCO lock voltage
adjustment

Reference frequency
check point

RX VCO lock voltage
chack point

CP2

L10

RX UNIT

TX UNIT