Icom IC-A110 Service Manual page 13

CONNECTION
Modulation
analyzer
RF power meter
Standard signal generator (SSG)
0.1–300 MHz
–127 to –17 dBm (0.1 µV to 32 mV)
CAUTION!
DO NOT transmit
while an SSG is
connected to the
antenna connector.
• MIC JACK PIN CONNECTION
Pin 4 (PTT)
Pin 5
Audio generator
(MICE )
AC millivoltmeter
1 2 3 4 5
Attenuator
40 dB or 50 dB
50 Ω, 1–50 W
Frequency
counter
Pin 7 (GND)
Pin 6
(MIC )
6 7 8
to the microphone connector
OPC-592
OPC-478
Cloning connection
DB9 female plug
(incl. level converter circuit)
to an RS-232C port
4 - 2
Power supply
DC 13.75 V, 10 A
Distortion
meter
AC millivoltmeter
Speaker (8 Ω)
AC millivoltmeter
Audio generator
300 Hz to 3 kHz
Personal
computer