![background image](http://html1.mh-extra.com/html/icom/ic-f1721d/ic-f1721d_service-manual_4203161017.webp)
Modulation analyzer
(DC measurable)
Attenuator
50 dB or 60 dB
to the antenna connector
to DC cable
Standard signal generator
–127 to –17 dBm
(0.1 V to 32 mV)
CAUTION:
DO NOT
transmit while
SSG is connected to
the antenna connector.
RF power meter
50
Ω
/ 1–75 W
DC power supply
13.6 (13.2) V / 20 A
Frequency
counter
PC
to the MIC
connector
to an RS-232C port
*OPC-1122
(JIG CABLE)
RS-232C cable
(straight)
IC-F1721/D/F1710
IC-F1821/D/F1810
[
]
AC millivoltmeter
Audio generator
+
Audio generator
300 Hz to 3 kHz
AC
millivoltmeter
MICE
MIC
PTT
PTT switch
PTTE
Add a jumper wire here
• OPC-1122* (JIG CABLE)
Electrolytic
capacitor
47µF
OPC-1122
(Cloning cable)
5 - 3
• CONNECTION
• JIG CABLE