83
SCHEMATIC DIAGRAM
NX-200
5V
3.32V
A
A
A
A
A
A
A
A
A
A
A
A
A
D18
HZC6.8-E
D19
R20 1k
R21 1.2k
R22 1k
R23 1k
R25 1.2k
R24 1k
R26 1k
L1
L2
100p
C16
100P
C17
470p
C13
470p
C14
0
R40
14
CN23
13
12
11
10
9
8
7
6
5
4
3
2
1
6_/KEYI0
BL_SB
6_KEYO1
6_KEYO0
6_KEYO2
6_/KEYI1
A
CN22
CN24
MIC
SP
6KEY
6_/KEYI0
BL_SB
6_KEYO1
6_KEYO0
6_KEYO2
BL_SB
6_/KEYI1
SP-
SP-
SP+
SP+
EMC
ME
AGND
V
oUT
VIN
NJM2880U105ZB
1
3
2
GND
NoISEBYP
ASS
CoNTRoL
IC41
1
4
5
1SS416
D12
D14
1SS416
1SS416
D15
1SS416
D13
1SS416
D16
2
IC415
TC7SET08FU-F
INB
15
VCC
GND
INA
34
oUTY
1SS416
D414
1SS416
D415
Y2
Y1
TC7WH126FK
IC417
A1
G1
3
2
1
VCC
G2
4
A2
GND
8
7
6
5
10k
R503
1k
R547
100
R34
1k
R546
0.01u
C453
10k
R502
L3
RXD0
RXD0
/SCSS
BFSX2
BER_EN
DSR
TXD0
SCTXD
0.01u
C452
100k
R491
47k
R500
0
R478
0
R468
47k
R483
0
R477
R
TS0
5UC
RXD3
PFKEY
/PTT
/UDET
CTS0
470
R19
8.2k
R18
1u
C446
1u
C441
0.01u
C443
SSM6N16FE-F
Q41
1
TC7WT125FUF
2
1
G1
A1
3
4
Y2
GND
VCC
8
IC418
G2
Y1
A2
7
6
5
BER_CLK
BER_DA
T
A
BER_EN
0.01u
C464
DA221
D23
D22
DA221
D17
EMZ6.8N
C29 100p
C30 100p
C31 100p
C33 100p
C34 100p
C36 6800p
C38 100p
1k
R28
1k
R29
100
R30
1k
R31
100
R32
L8
100
R35
100
R33
L7
L6
L5
L4
C23 1000p
C28 100p
C24 47p
C25 1000p
C26 1000p
C27 1000p
C32 100p
C35 1000p
C37 1000p
NNCD6.8G-A
D21
NNCD6.8G-A
D20
CN405
SSW
1
2
SP+
3
SP-
4
MSW
5
EMC
6
ME
7
PTT
8
PF
9
OPT
10
E
11
TXD
12
RXD
13
5V
14
NC
UNIVERSAL
CONNECT
OR
TXD
RXD
+B
R845
R847
1.8k
100k
R842
100k
C798
10u10
470p
C15
0.1u
C796
A
A
A
R843
1k
A
2SJ243-A
Q707
4.7k
R844
A
Q5
2SJ347F
Q4
100k
R27
1u
C797
SSM3K15TE(F)
0.01u
C795
R846
470
+
33A
Side_1,Side_2,Side_G
5A
33M
IFADCN
IFADCN
SP-
SP+
EXTSP+
EXTSP-
ME
MM
MIC
MUTE
MIC
MUTE
SW
MUTE
MIC
CONTROL
REVERSE
CURRENT PREVENTION
D12-16
CONVERTER
LEVEL
Q411
VOLTAGE REGULATOR (50U)
BUFFER
DUAL BUS
IC417
AND
GATE
IC415
2 INPUT
BUFFER
DUAL BUS
D414
REVERSE
CURRENT
ABSORPTION
SURGE
ABSORPTION
SURGE
D17
D18,19
PREVENTION
PREVENTION
REVERSE CURRENT
D20-23
ABSORPTION
SURGE
SWITCH UNIT (X41-3720-10)
9
9
9
13
13
15
15
15
16
16
13
16
18
18
18
9
9
9
19
19
19
21
21
21
23
23
23
X53-426 8/10
AN
AM
AL
AK
AJ
CONTROL UNIT (X53-4260-XX)