Icom IC-F21S Service Manual

5 - 3
to an RS-232C port
Personal
computer
to [MIC]
to [SP]
JIG cable
DB9 female plug
(incl. level converter circuit)
CONNECTION
to the antenna connector
RF power meter
0.1 10 W/50
Frequency
counter
Attenuator
40 dB or 50 dB
FM
deviation meter
Standard signal generator
0.1 V to 32 mV
( 127 dBm to 17 dBm)
SINAD meter
Speaker (8 )
Audio generator
OPC-478
CAUTION:
DO NOT transmit while
an SSG is connected to
the antenna connector.
DC POWER
SUPPLY
GND
+
Battery type detectorBattery type detector
DC POWER CABLE CONNECTIONS
NOTE: When you adjust the output power (high
power), the battery type detector must be con-
nected to GND (see illustration at above).
Ohterwise the transceiver does not transmit high
power, the output power will be low.

Icom IC-F21S Specifications

General

Brand	Icom
Model	IC-F21S
Category	Transceiver
Language	English