Icom M803 Instruction Manual - Page 86

Connector information, Pin name, Description, MICROPHONE, TUNER, DC 13.6 V

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9 CONNECTIONS AND INSTALLATION ■■Connector information ACC 76 381 54 2 Pin Pin name Description 1 CWK CW and FSK keying input. 2 AF GND Ground line for AF signal. 3 SEND Input/Output pin. Ground this pin to transmit. Modulator input. 4 MOD Usable when pin 3 is grounded. Specification Input level: -0.5 to 0.8 V - Ground level: -0.5 to 0.8 V Input current: Less than 20 mA Input impedance: More than 10 kΩ Input level: Approximately 100mV rms 5 AF AF detector output. Output impedance: Less than 4.7 kΩ Fixed, regardless of [VOL] position. Output level: 100-300 mV rms 6 NC No connection. - 7 13.6 V 13.6 V output when power is ON. Output current: Maximum 1 A 8 ALC ALC voltage input. Control voltage: -3 to 0 V Input impedance: More than 10 kΩ * DC GND Common ground. - MICROPHONE Pin 1 2 3 qu wiy ert 4 5 6 7 8 Pin name Description Specification MIC+ Audio input from the microphone Input impedance: element. 1.74 kΩ ± 20 % NC No connection. - AF1 AF output controlled with [VOL]. - Connected to pin 4 in the microphone. AF2 AF input. - Connected to pin 3 in the microphone. PTT PTT switch input. When grounded, transmits. GND Connected to the ground. - MIC- Coaxial ground for MIC+. - AF- Coaxial ground for AF1 and AF2. - TUNER 4321 Pin Pin name Description 1 KEY Key signal input. 2 START Start/Through signal output. 3 13.6 V 13.6 V output. 4 E Negative ground. Specification -0.5 to 0.8 V during tuning. Pulled up 8 V, 0 V (100 msec) as a start signal. Maximum current: 2 A Ground terminal for above signals. DC 13.6 V 123 456 Pin Pin name Description 1-3 + DC input +. 4-6 _ DC input _. Specification Maximum power consumption: 30 A typical. - 78

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78
9
CONNECTIONS AND INSTALLATION
■
Connector information
ACC
Pin
Pin name
Description
Specification
1
CWK
CW and FSK keying input.
Input level:
–0.5 to 0.8 V
2
AF GND
Ground line for AF signal.
–
3
SEND
Input/Output pin.
Ground this pin to transmit.
Ground level:
–0.5 to 0.8 V
Input current:
Less than 20 mA
4
MOD
Modulator input.
Usable when pin 3 is grounded.
Input impedance:
¾ore than 10 kΩ
Input level:
Approximately
100mV rms
5
AF
AF detector output.
Fixed, regardless of [VOL] position.
Output impedance:
Less than 4.7 kΩ
Output level:
100–300 mV rms
6
NC
No connection.
–
7
13.6 V
13.6 V output when power is ON.
Output current:
Maximum 1 A
8
ALC
ALC voltage input.
Control voltage:
–3 to 0 V
Input impedance:
¾ore than 10 kΩ
*
DC GND
Common ground.
–
MICROPHONE
Pin
Pin name
Description
Specification
1
MIC+
Audio input from the microphone
element.
Input impedance:
1.74 kΩ ¿ 20 %
2
NC
No connection.
–
3
AF1
AF output controlled with [VOL].
Connected to pin 4 in the microphone.
–
4
AF2
AF input.
Connected to pin 3 in the microphone.
–
5
PTT
PTT switch input.
When grounded, transmits.
6
GND
Connected to the ground.
–
7
MIC–
Coaxial ground for MIC+.
–
8
AF–
Coaxial ground for AF1 and AF2.
–
TUNER
Pin
Pin name
Description
Specification
1
KEY
Key signal input.
–0.5 to 0.8 V during tuning.
2
START
Start/Through signal output.
Pulled up 8 V, 0 V (100 msec) as a start
signal.
3
13.6 V
13.6 V output.
Maximum current:
2 A
4
E
Negative ground.
Ground terminal for above signals.
DC 13.6 V
Pin
Pin name
Description
Specification
1–3
+
DC input
+
.
Maximum power consumption:
30 A typical.
4–6
_
DC input
_
.
–
1
2
3
4
5
6
7
8
y
t
r
q
w
e
i
u
4
3
2
1
1
2
4
6
3
5