
NX-220
95
INTERCONNECTION DIAGRAM /
互连图
CN2
1
SB2
2
MICI
3
GND
4
SPAF
5
TV1
6
TV2
7
33A
8
VCO_MOD
9
GND
10
MOD
11
50C
12
MIC
13
VOX
14
ASQAPC
15
ASQ
16
RXAF_2
17
GND
18
/LCDCS
19
/EVCS
20
DISP_VER
21
SDO0
22
SDI0
23
SCK0
24
33M
CN5
24
SB2
23
MICI
22
GND
21
SPAF
20
TV1
19
TV2
18
33A
17
VCO_MOD
16
GND
15
MOD
14
50C
13
MIC
12
VOX
11
ASQAPC
10
ASQ
9
RXAF_2
8
GND
7
/LCDCS
6
/EVCS
5
DISP_VER
4
SDO0
3
SDI0
2
SCK0
1
33M
CN3
1
GND
2
PTT
3
/S1
4
/S2
5
/EMG
6
1
2
3
4
5
6
GND
CN6
GND
PTT
/S1
/S2
/EMG
GND
CN4
1
MIC+
2
MIC–
3
SP+
4
SP–
CN1
1
+B
2
SB1
3
NC
4
33A
5
VOL
6
VOL_GND
7
ENC3
8
GND
9
ENC4
10
ENC2
11
ENC1
J1
PTT/RXD MICI MICO OPTDET 50V
J2
AE
TXD
SPI
SPO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
+
–
S
BATTERY
7.5V
INT
SP
INT
MIC
EXT
SP
EXT
MIC
TX-RX PCB
X57-804
DISPLAY PCB
X54-376 A/3
PTT
SECTION
X54-376
B/3
MIC SECTION
X54-376 C/3
COM1
COM2
COM3
COM4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
ANT
VR1
Power SW/
AF Vol
S101
CHANNEL
SELECTOR
X54-3760-XX
-10
C
YES
NO
-12
C2
LCD
* LCD