21
TK-880
MPTT
PTT
TXAO
TXAI
RXAO
RXAI
R571
R529
RSSI
SB
LOK
E
DEO RD2 5C C4 C3
OP
SQ
RD1
TD2
TD1 FW C2 C1
INSTALLATION
TX-RX unit (A/2)
Foil side view
TX-RX unit (B/2) : Control section
Foil side view
3. Optional Board Terminal
Terminal is for mounting the option board are provided at
the TX-RX unit (A/2) and TX-RX unit (B/2); Control section.
The table below shows the correspondence between the
board and terminals. Disconnect R529 and R571 in control
unit when the scrambler board is attached.
The table below shown the differences between the
schematic terminals and the PC board terminals.
Schematic diagram
PC board view
Name
I/O
Function
Name
Unit
SB
O
Switched B+ (13.2V, 0.75A)
SB
TX-RX (A/2)
5C
O
5C
5C
TX-RX (A/2)
GND
–
Earth
E
TX-RX (A/2)
DEO
O
Detect signal output (Output
DEO
TX-RX (A/2)
level : 250mVrms; standard
modulation)
RXAI
I
RX audio input
RXAI
TX-RX (B/2)
RXAO
O
RX audio output
RXAO TX-RX (B/2)
TXAI
I
TX audio input
TXAI
TX-RX (B/2)
TXAO
O
TX audio output
TXAO
TX-RX (B/2)
LOK
O
TX logic signal output.
LOK
TX-RX (A/2)
Active type can be
selectable in the KPG-60D.
OPT
O
Option board select. Please
OP
TX-RX (A/2)
(EMG)
select option board type in the
KPG-60D.
CODE1
O
Option code 1 (for voice
C1
TX-RX (A/2)
scrambler code 1)
CODE2
O
Option code 1 (for voice
C2
TX-RX (A/2)
scrambler code 2)
Connector
Pin
Pin
I/O
Function
No.
No.
name
2
RXD
I
Serial data input 1. “Com1” port
must be select “DATA”/“GPS”
function in the KPG-60D.
3
TXD
O
Serial data output 1. “Com1” port
must be select “DATA”/“GPS”
function in the KPG-60D.
CN5
1
PA
O
Relay for PA function in KAP-1
control signal. PA on : H, PA off : L
2
SPO
O
Audio signal input from KAP-1.
3
SPI
I
Audio signal output to KAP-1.
CN6
1
SP
O
Output for internal/external speaker.
2
E
–
Earth.
Schematic diagram
PC board view
Name
I/O
Function
Name
Unit
CODE3
O
Option code 1 (for voice
C3
TX-RX (A/2)
scrambler code 3)
CODE4
O
Option code 1 (for voice
C4
TX-RX (A/2)
scrambler code 4)
SQ
O
Squelch signal output. Signal
SQ
TX-RX (A/2)
logic type can select “Carrier
operate relay” or “Tone operate
relay”. Active logic level or type
can select in the KPG-60D.
TXD1
O
Serial data output 1
TD1
TX-RX (A/2)
RXD1
I
Serial data input 1
RD1
TX-RX (A/2)
TXD2
O
Serial data output 2
TD2
TX-RX (A/2)
RXD2
I
Serial data input 2
RD2
TX-RX (A/2)
RSSI
O
Receive signal strength indication
RSSI
TX-RX (A/2)
PTT
I
PTT
PTT
TX-RX (B/2)
MPTT
I
MIC PTT
MPTT TX-RX (B/2)
FSW
I
Foot switch input
FW
TX-RX (A/2)
