Kenwood TS-440S - Manual (Page 13)

@ ACC 2 jack
Terminal numbers and their applications are as follows:
View from the
rear panel.
13-pin DIN plug
Pin No. Pin Name Application
1 NC No connection
2 NC No connection
3 Data output Output level is fixed regardless of the
AF control setting.
Output voltage:
300 mV or more at maximum re­
ceiving input with 4.7 kQ load.
4 GND Grounding (The shielded wire of the
audio output terminal is connected
here.)
5 NC No connection
6 NC No connection
7 NC No connection
8 GND Grounding
9 MIC mute Signal input from the MIC jack is mut­
ed. Grounding mutes signal.
10 NC No connection
11 Data input Input terminal for data communica­
tion. In SSB, MIC gain can be con­
trolled by the MIC control.
Input voltage:
500 mV or less
(SSB: Voltage starts deflecting ALC.
FM: Voltage providing ±3.0 kHz
modulation ratio.)
12 GND Grounding (The shielded wire of the
audio input is connected here.)
13 Standby Standby terminal
Grounding transmits.
View from cord
7. . ^ 6
Internal wiring
3-1-3. Top cover
CW OFF SEMI FULL
VOX OFF ON
VOX/BREAK IN switch
VOX (Voice Operated Switch) operation is possible in
LSB, USB, FM or AFSK mode operations. To activate
the VOX circuitry place the VOX switch ON.
This control is also used to select either Full or Semi
automatic break-in.
(Q) REMOTE connector
Note:-----------------------------------------------------------------------------
When the control relay is used refer to section 5-8-10.
+ 12 VDC ON transmit
max. 10 mA.
From standby switch
(PTT circuit for foot switch)
GND
ALC input
Speaker output
T
-A r Control relay
11