TK-8302/8302H
34
Display unit (X54-3670-20)
Pin No.
Name
I/O
Function
CN1
1
POWER
O
Detection output of power switch
2
MKEY
I/O
MIC data detection
3
PTT/TXD
I/O
PTT/PC serial data
4
HOOK/RXD I/O
HOOK/PC serial data
5
ME
-
MIC ground
6
MIC
O
MIC signal output
7
GND
-
Ground
8
NC
-
No connection
9
LELH
I
LED latch input
10
LECL
I
LED clock input
11
LECE
I
LED enable input
12
LEDI
I
LED data input
13
5C
I
5V DC power supply
14
KMI3
O
Key matrix output 3
15
KMI2
O
Key matrix output 2
16
KMI1
O
Key matrix output 1
17
KMO3
I
Key matrix input 3
18
KMO2
I
Key matrix input 2
19
KMO1
I
Key matrix input 1
20
BLED
I
Blue LED control signal input
21
GLED
I
Green LED control signal input
22
RLED
I
Red LED control signal input
23
MBL
I
MIC backlight control signal input
24
LEDM
I
LED dimmer input
25
SP-
I
Speaker input –
26
SP-
I
Speaker input –
27
SP+
I
Speaker input +
28
SP+
I
Speaker input +
29
SB
I
Battery voltage DC supply
30
SB
I
Battery voltage DC supply
J1 (MIC jack)
1
MBL
O
Backlight of Microphone
2
SB
O
DC Power putput
3
GND
-
Ground
4
PTT
I
PTT/ PC serial data from radio
5
ME
-
MIC ground
6
MIC
I
MIC signal input
7
HOOK
I
HOOK/ PC serial data to radio
8
DM
I/O
MIC data detection
TX-RX unit (X57-7680-XX)
Pin No.
Name
I/O
Function
CN702
1
GND
-
Ground
2
9C
O
9V DC power supply
3
FNC5
I/O
Programmable I/O (programmed by FPU)
4
FNC6
I/O
Programmable I/O (programmed by FPU)
5
FNC2
I/O
Programmable I/O (programmed by FPU)
6
FNC7
I/O
Programmable I/O (programmed by FPU)
7
FNC8
I/O
Programmable I/O (programmed by FPU)
8
FNC3
I/O
Programmable I/O (programmed by FPU)
9
FNC1
I/O
Programmable I/O (programmed by FPU)
10
NC
-
No connection
11
5C
O
5V DC power supply
12
TXAFO
O
TX audio output to scrambler board
13
DATAI
I
External transmit signal input
14
DETO
O
FM detector output
15
NC
-
No connection
16
ALTI
I
External alert tone signal input
17
TXAFI
I
TX audio input from scrambler board
18
RXAFO
O
RX audio output to scrambler board
19
RXAFI
I
RX audio input from scrambler board
20
FNC4
I/O
Programmable I/O (programmed by FPU)
CN724
1
SB
O
Battery voltage DC supply
2
SB
O
Battery voltage DC supply
3
SP+
O
Speaker
4
SP+
O
Speaker
5
SP-
O
Speaker output –
6
SP-
O
Speaker output –
7
LEDM
O
LED dimmer output
8
MBL
O
MIC backlight control signal output
9
RLED
O
Red LED control signal ouput
10
GLED
O
Green LED control signal output
11
BLED
O
Blue LED control signal output
12
KMO1
O
Key matrix output 1
13
KMO2
O
Key matrix output 2
14
KMO3
O
Key matrix output 3
15
KMI1
I
Key matrix input 1
16
KMI2
I
Key matrix input 2
17
KMI3
I
Key matrix input 3
18
5C
O
5V DC power supply
TERMINAL FUNCTION
