![background image](http://html.mh-extra.com/html/icom/ic-f2000-series/ic-f2000-series_service-manual_2038222012.webp)
4-2
■
JIG
• JIG cable 1
3-conductor 2.5 (d) mm plug
(MIC)
(GND)
+
−
AC MILLIVOLTMETER
(10 mV to 10 V)
+
−
AUDIO GENERATOR
(300~3000 Hz/1~500 mV)
(MIC)
(GND)
33 k
Ω
4.7 µF
+
PTT
• JIG cable 2
3-conductor 3.5 (d) mm plug
(GND)
(CLONE)
OPC-478UC
3-conductor 3.5 (d) mm jack
+
−
EXTERNAL SPEAKER
(
1 W/8 Ω
)
+
−
DISTORTION METER
(3% or less at 1 kHz/50 mV ~ 10 V)
(CLONE)
(GND)
(SP)
(SP)