Kenwood NX-200 K, Service Manual

Page: 60 / 104

NX-200
60
Pin No. Name I/O Function
32 Side_G I Key matrix input (SIDE1,2 key)
33 Side_1 O Key matrix output (SIDE1 key)
34 W_/N I No connection
35 SDO1 I PLL serial data input
36 Side_2 O Key matrix output (SIDE2 key)
37 /PCS_RF I PLL enable input
38 /DSW I
APC voltage discharge switch control
input
39 APC I APC control voltage input
40 /APCSW I APC switch control input
41 VCO_MOD I VCO modulation input
42 THP O Thermistor voltage output
43 PLD O PLL lock detect output
44 38M I 38M input
45 SCK1 I PLL clock input
46 GND - GND
47 S_DET O Battery select output
48 GND - GND
49 NC - No connection
50 IF_DET O IF output
CN401
1 PTT I Internal PTT input
2 GND - GND
3 Side_G O Key matrix output (SIDE1,2 key)
4 Side_1 I Key matrix input (SIDE1 key)
5 Side_2 I Key matrix input (SIDE2 key)
Option board unit (X57-7360-10 B/2)
Pin No. Name I/O Function
CN736
1 OPT1 I/O
Refer to “CN736 Option board
connector specifi cation” described
on page 65.
2 OPT3 I/O
3 26P_RD O
4 26P_TD I
5 NC -
6 OPT4 I
7 OPT10 I
8 OPT5 I
9 DGND -
10 AGND -
11 NC -
12 NC -
13 AGND -
14 5V I
15 OPT9 O
16 DTI O
17 OPT8 I/O
18 OPT11 I
19 OPT7 I/O
20 OPT2 I/O
21 TXO I
22 RXEO I
23 RXEI O
24 TXI O
25 OPT6 I
26 POW I
Solder Pad
Name I/O Signal Type Function
Rating and Condition
Parameter Min Typ Max Unit
PTT2 O Digital PTT output [Output] Output Impedance 10k Ω
PTT1 I Digital PTT input
[Input] VIH 2.8 3.3 V
[Input] VIL 0 0.5 V
MDSW I Digital Man-down switch input
[Input] VIH 2.8 3.3 V
[Input] VIL 0 0.5 V
GND - GND GND Allowable current value mA
TXD O Digital Serial data output
VOH (Io=-5mA) 4.0 - 5.3 V
VOL (Io=5mA) 0 - 0.8 V
Baud Rate 19200 bps
RXD I Digital Serial data input
VIH 2.8 - 5.3 V
VIL 0 - 0.8 V
Baud Rate 19200 bps
RSSI O Analog RSSI output Output Impedance 10k Ω
TERMINAL FUNCTION