Interface Information; Front Panel - Icom IC-9700 Service Manual

SECTION 3 SECTION 3
● FRONT panel
[PHONES]
• 3.5 mm (⅛ in) (d)
[MIC]
[PHONES]
Sub band audio
GND
Main band audio
• Output impedance:
• Output level:

INTERFACE INFORMATION

INTERFACE INFORMATION
3.5 (d) mm (⅛ in)
8 ~ 16 Ω
More than 5 mW into an 8 Ω
load.
[MIC]
q Microphone input
w +8 V DC output
e Frequency up/down
PIN No.
Microphone input
NOTE: This pin outputs 8 V DC power supply for
q
the Icom microphone.
+8 V DC output (Maximum 10 mA)
w
Frequency up/down
e
External keypad
Grounded when squelch opens.
r
PTT
t
PTT/External keypad
y
Microphone ground
u
AF output [EXT-SP MAIN]/[EXT-SP SUB]
i
(varies with the AF control.)
*
External keypad
4.7 kΩ 2.2 kΩ
±5% ±5%
S4 S3
External keypad
3-1
i AF output
u GND
(Microphone ground)
y GND (PTT ground)
t PTT
r Squelch line output
DESCRIPTION
*
input
*
ground
1.5 kΩ 1.5 kΩ
connector
±5% ±5% PIN e
S2 S1
PIN y

Front panel

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[MIC]
MIC
1 7
2 8 6
3
5
4
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