Top Cove - Kenwood TS-440S Instruction Manual

@ ACC 2 jack
Terminal numbers and their applications are as follows:
View fram the
rear panel.
13-pin DIN plug
Pin No.| Pin Name Application
1_ [Nc No
2 [Ne No connection
2 [Data output | Qutput level is fixed regardless af the
AF contral setting.
Qutput valtage:
300 mV or more st maximum ce-
ceiving inut with 4.7 k@ load.
4 [ono Grounding (The shielded wire of the
audia output terminal is connected
here.)
5 INC No
6 NC No
7 NC No
8 [GNoO Grounding
9 | Mic mute — [Signal input from the MIC jack ig mut-
ed. Grounding mutes signal,
10 NC No connection
11 [Data input — | Input terminal for data communica:
tion. In SSB, MIC gain can be can-
trolled by the MIC control.
Input voltage:
500 mV ot fess
(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.
() REMOTE connector
Note:
When the control relay is used refer to section 5-8-10.
+12 VDC ON transmit SND)
max. 10 mA,
ALC input
From standby switch
{PTT circuit for foot switch)
T
R Control relay
Internal wiring
View from cord
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 js also used to select either Full or Semi
automatic break-in. oss