Terminal Function - Kenwood NX-820G Quick Start Manual

NX-820(G)/820
Display unit (X54-3830-10)
Pin No. Name I/O
CN1 (to TX-RX unit CN514)
1 SB I
2 SB I
3 SP– I
4 SP– I
5 SP+ I
6 SP+ I
7 BLC I
8 MBL I
9 RLED I
10 GLED I
11 BLED I
12 GND -
13 GND -
14 GND -
15 EMG O
16 GND -
17 NC -
18 50C I
19 LCDDI I
20 LCDCE I
21 LCDCL I
22 LCDDO O
23 GND -
24 GND -
25 MIC O
26 ME -
27 HOOK/RXD O
28 PTT/TXD I/O PTT/PC serial data
29 MKEY I/O MIC data detection
30 POWER O
1 MBL O
2 SB O
3 GND -
4 PTT I/O PTT/ PC serial data from radio
5 ME -
6 MIC I
7 HOOK I
8 DM I/O MIC data detection
56

TERMINAL FUNCTION

Function
Battery voltage DC supply
Battery voltage DC supply
Speaker input –
Speaker input –
Speaker input +
Speaker input +
LCD backlight control signal input
MIC backlight control signal input
Red LED control signal input
Green LED control signal input
Blue LED control signal input
Ground
Ground
Ground
Emergency key detection
Ground
No connection
5V DC power supply
LCD data input
LCD enable input
LCD clock input
LCD data output
Ground
Ground
MIC signal output
MIC ground
HOOK/PC serial data
Detection output of power switch
J1 (MIC jack)
MIC backlight control
Battery voltage DC supply
Ground
MIC ground
MIC signal input
HOOK/ PC serial data to radio
TX-RX unit (X57-8240-1X)
Pin No. Name I/O
CN514 (to Display unit CN1)
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 BLC O LCD backlight control signal output
8 MBL O MIC backlight control signal output
9 RLED O Red LED control signal output
10 GLED O Green LED control signal output
11 BLED O Blue LED control signal output
12 GND - Ground
13 GND - Ground
14 GND - Ground
15 EMG I Emergency key detection
16 GND - Ground
17 NC - No connection
18 50C O 5V DC power supply
19 LCDDI O LCD data output
20 LCDCE O LCD enable output
21 LCDCL O LCD clock output
22 LCDDO I LCD data input
23 GND - Ground
24 GND - Ground
25 MIC I MIC signal input
26 ME - MIC ground
HOOK/
27 I HOOK/PC serial data
RXD
28 PTT/TXD I/O PTT/PC serial data
29 MKEY I/O MIC data detection
30 POWER I Detection input of power switch
Function