Icom IC-F50V Service Manual page 17

▄ PC CONNECTIONS
to an RS-232C port
RS-232C cable
(straight)
▄ JIG CABLES
OPC-966U
(USB type Cloning cable)
Add a jumper wire here
(RS-232C type Cloning cable)
PC
JIG CABLE
GND
SP
GND
MIC
GND
PTT
Add a jumper wire here
OPC-966
OPC-966U (USB type)
JIG CABLE
EXT. SPEAKER
(1 W/8 Ω)
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
− +
+
4.7 µF
<SETTING>
Frequency : 1 kHz
Level
PTT SWITCH
PTTE
PTT
MIC
MICE
5 - 3
CAUTION: Attach the [SP
MIC] jack snugly, but do
not overtighten.
An overtightened jack will
damage the connector
pins in the transceiver.
AC MILLIVOLTMETER
(10 mV to 10 V)
+ −
: 150 mV rms
PTT SWITCH
SETTING;
Freq. : 1 kHz
Level : 150 mV rms
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+
4.7 µF
AC
MILLIVOLT-
METER
EXT. SPEAKER
(1 W/8 Ω)
(10 mV to 10 V)
− +
GND
SP
+ −
+ −
+ −