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 output +
4 SP+ O Speaker output +
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
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