Terminal Function - Kenwood TK-7302 Service Manual

TK-7302/7302 V /7302H/7302H
( )
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
V
( )

TERMINAL FUNCTION

Function
CN1
Detection output of power switch
MIC ground
MIC signal output
Ground
-
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
Backlight of Microphone
DC Power putput
Ground
PTT/ PC derial 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 8C O 8V DC power supply
3 FNC5 I/O Programable I/O (programmed by FPU)
4 FNC6 I/O Programable I/O (programmed by FPU)
5 FNC2 I/O Programable I/O (programmed by FPU)
6 FNC7 I/O Programable I/O (programmed by FPU)
7 FNC8 I/O Programable I/O (programmed by FPU)
8 FNC3 I/O Programable I/O (programmed by FPU)
9 FNC1 I/O Programable I/O (programmed by FPU)
10 NC - -
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 - -
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 Programable 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