Terminal Function - Kenwood TK-8302 Service Manual

TK-8302/8302H
Display unit (X54-3670-20)
Pin No. Name I/O
1 POWER O
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 -
6 MIC O
7 GND -
8 NC -
9 LELH I
10 LECL I
11 LECE I
12 LEDI I
13 5C I
14 KMI3 O
15 KMI2 O
16 KMI1 O
17 KMO3 I
18 KMO2 I
19 KMO1 I
20 BLED I
21 GLED I
22 RLED I
23 MBL I
24 LEDM I
25 SP- I
26 SP- I
27 SP+ I
28 SP+ I
29 SB I
30 SB I
1 MBL O
2 SB O
3 GND -
4 PTT I
5 ME -
6 MIC I
7 HOOK I
8 DM I/O MIC data detection
34

TERMINAL FUNCTION

Function
CN1
Detection output of power switch
MIC ground
MIC signal output
Ground
No connection
LED latch input
LED clock input
LED enable input
LED data input
5V DC power supply
Key matrix output 3
Key matrix output 2
Key matrix output 1
Key matrix input 3
Key matrix input 2
Key matrix input 1
Blue LED control signal input
Green LED control signal input
Red LED control signal input
MIC backlight control signal input
LED dimmer input
Speaker input –
Speaker input –
Speaker input +
Speaker input +
Battery voltage DC supply
Battery voltage DC supply
J1 (MIC jack)
Backlight of Microphone
DC Power putput
Ground
PTT/ PC serial data from radio
MIC ground
MIC signal input
HOOK/ PC serial data to radio
TX-RX unit (X57-7680-XX)
Pin No. Name I/O
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
Function