Icom IC-78 User Manual

6
2
PANEL DESCRIPTION
D ACC SOCKET INFORMATION
• ACC socket
• When connecting the ACC conversion cable (OPC-599)
ACC PIN # NAME DESCRIPTION SPECIFICATIONS
ACC 1
ACC 2
 FSKK  AF
 GND  SQLS
 SEND  13.8 V
 MOD  ALC
 8 V  ALC
 GND  NC
 SEND  13.8 V
 BAND
1
1
2
2
3
3
4
4
8
8
7
7
6
6
5
5
9 10 11 12
13
1
2
3
4
76
5
Rear panel
view
1 2 3 4
8765
9 10 11 12
13
1 8 V Regulated 8 V output.
Output voltage : 8 V ±0.3 V
Output current : Less than 10 mA
2 GND Connects to ground. —
Input/output pin.
Ground level : –0.5 V to 0.8 V
3 SEND Goes to ground when transmitting.
Input current : Less than 20 mA
When grounded, transmits.
4 BDT Data line. —
5 BAND Band voltage output.
6 ALC ALC voltage output.
Control voltage : –4 V to 0 V
Input impedance : More than 10 kΩ
7 NC — — —
8
13.8 V 13.8 V output when power is ON. Output current : Max. 1 A
9 TKEY Key line. —
10 FSKK RTTY key input.
Ground level : –0.5 V to 0.8 V
Input current : Less than 10 mA
11 MOD Modulation input.
Input impedance : 10 kΩ
Input level : Approx. 100 mV rms
12 AF
AF detector output. Output impedance : 4.7 kΩ
Fixed, regardless of [AF] position. Output level : 100–300 mV rms
13 SQLS
Squelch output. SQL open : Less than 0.3 V/5 mA
Goes to ground when squelch opens. SQL closed : More than 6.0 V/100 µA

Icom IC-78 Specifications

General

Brand	Icom
Model	IC-78
Category	Transceiver
Language	English