Kenwood NEXEDGE NXR-810, Service Manual

Page: 96 / 169

NXR-810
96
Pin No. Name I/O Function
14 IO1_D25 I/O Programmable function input/output 1
15 DG - Control line ground
16 TXG - TX signal ground for TA,TD
17 AI3_D25 I Programmable function input 3
18 BER_DATA_D25 O Bit error rate data
19 AI2_D25 I Programmable function input 2
20 SC_D25 O Squelch control output
21 AI1_D25 I Programmable function input 1
22 /EPTT_D25 I External PTT
23 TXD0_D25 O UART TX data
24 EXT_MON_D25 I External monitor signal
25 RXD0_D25 I UART RX data
26 BER_CLK_D25 O Bit error rate clock
27 NC (RSSI) No connection (RSSI)
28 NC - No connection
29 NC - No connection
30 NC - No connection
CN301 (To X57-795 CN700)
1 GND - Ground
2 +B I Power supply input
3 SB I Power supply input
Display Unit (X54-3730-20) (A/2)
Pin No. Name I/O Function
CN501 (To X54-373 B/2 CN601)
1 HK I Hook detection input/ RXD input
2 MIC I MIC signal input
3 MIG - MIC ground
4 PTT I/O PTT input/ TDX output
5 GND - Ground
6 NC - No connection
7 SB O Power supply output after power switch
8 NC - No connection
9 GND - Ground
10 5M O Common 5V output
11 VLI I Volume control input for AF signal
CN502 (To X53-449 CN40)
1 MIG - MIC ground
2 MIC O MIC signal output
3 VLI O Volume control output for AF signal
4 5C I Common 5V output
Pin No. Name I/O Function
5 K4 I KEY input 4
6 K5 I KEY input 5
7 K2 O KEY input 2
8 K3 O KEY input 3
9 K1 O KEY input 1
10 HK/RXD O Hook detection output/ RXD input
11 SOE I Output enable for shift register
12 PTT/TXD I/O PTT output/ TDX input
13 STB1 I Strobe data for shift register
14 CLK I Clock data input
15 DAT I Serial data input
16 PSW O Power switch output
17 GND - Ground
18 NC - No connection
19 SB I Power supply output after power switch
20 SB I Power supply output after power switch
Display Unit (X54-3730-20) (B/2)
Pin No. Name I/O Function
CN601 (To X54-373 A/2 CN501)
1 VLI O Volume control output for AF signal
2 5M I Common 5V input
3 GND - Ground
4 NC - No connection
5 SB I Power supply output after power switch
6 NC - No connection
7 GND - Ground
8 PTT I/O PTT output/ TDX input
9 MIG - MIC ground
10 MIC O MIC signal output
11 HK O Hook detection output/ RXD output
J601 (MIC jack)
1 NC - No connection
2 SB O Power supply output after power switch
3 GND - Ground
4 PTT/TXD I/O PTT input/ TDX output
5 MIG - MIC ground
6 MIC I MIC signal input
7 HOOK/RXD I Hook detection input/ RXD input
8 NC - No connection
TERMINAL FUNCTION