Icom IC-F4011 Service Manual page 14

• CONNECTION
Standard signal generator
0.1 µV to 32 mV
(–127 dBm to –17 dBm)
DO NOT transmit while
an SSG is connected to
the antenna connector.
FM Attenuator
deviation meter 30 dB
RF power meter
0.1–10 W/50 Ω
Frequency
counter
• JIG CABLE
[JIG cable1]
2-conductor 2.5 (d) mm plug
(MIC)
[JIG cable2]
3-conductor 3.5(d) mm plug
to the antenna connector
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
(GND)
PTT
33 k
+
4.7 µF
(SP)
(GND)
(CLONE)
OPC-478
(RS-232C type)
to USB port
OPC-478U
(USB type)
OPC-478UC
(USB type)
To [SP] connector
To [MIC]
To [SP]
JIG cables
SETTING;
Frequency : 1 kHz
Level
+ −
Waveform : Sine wave
+
EXT. SPEAKER
(1 W/8 Ω)
−
OPC-478/U/UC
5 - 2
to RS-232C port
PC
to USB port
SINAD meter
Speaker (8 Ω)
AC
MILLIVOLTMETER
(10 mV to 10 V)
: 150 mVrms
+ −