Icom IC-M87 Service Manual page 16

• CONNECTION
FM
deviation meter
to an RS-232C port
DB9 female plug
RS-232C cable (straight)
• JIG CABLE
OPC-966
(Cloning cable)
Attenuator
20 dB or 30 dB
RF power meter
0.1–10 W/50 Ω
Frequency
counter
Personal
computer
to the antenna connector
JIG CABLE
Add a jumper wire here
Electrolytic capacity
47 µF
PTTE
PTT
+
MIC
MICE
SP
SP+
5 - 2
Standard signal generator
0.1 µV to 32 mV
(–127 dBm to –17 dBm)
CAUTION!
DO NOT transmit while
SSG is connected to the
antenna connector.
Audio generator
SINAD meter
Speaker (8 Ω)
Audio generator
300 Hz to 3 kHz millivoltmeter
AC
+