82
NX-200
SCHEMATIC DIAGRAM
R : 5.14V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
DI
GND
2SB1132(Q,R)
Q406
UMG3N
Q407
Q405
SSM6N16FE-F
D409
MA2S111-F
D410
MA2S111-F
15k
R441
470k
R443
1k
R442
100k
R447
100k
R457
R462
1k
R459
0.1u
C425
0.1u
C429
22k
R472
0
R471
33k
R474
0.056u
C437
0.056u
C438
22k
R484
C440 0.1u
22k
R489
22k
R490
1k
TPA6201A1DRBR
IC413
1
2
3
4
SHUTDoWN
BYPASS
IN+
IN-
8
7
6
5
Vo-
GND
VDD
Vo+
R496 100k
C445
1u
C449
100k
R495
1000p
SHUTDoWN
BYPASS
C439 0.1u
0.056u
0.056u
C436
C435
1
4
3
2
22k
22k
R488
R487
Vo-
Vo+
VDD
GND
IN-
IN+
100k
R494
8
5
6
7
TPA6201A1DRBR
IC412
A
R497 100k
1000p
C447
1u
C450
R475
0.1u
C430
33k
IC408
TC75S51FE( F)
IN+
IN-
VSS
2
3
1
VDD
oUT
5
4
8
7
6
5
VCC
CoNT1
oUT_IN2
IN_oUT2
1
2
3
4
IN_oUT1
oUT_IN1
CoNT2
GND
IC409
TC7W66FK-F
0.01u
C420
0
R433
1k
R455
0.1u
C424
100k
R458
100k
R453
39k
R434
R446 270k
C422 10p
100k
R467
1k
R460
0.01u
C427
SP DRIVE
DA221
D707
RB706F-40
D706
Q706
2SA1832(GR)F
2SC4738(GR)F
Q705
RB706F-40
D703
D704
RB706F-40
B : VOX
A : MIC SUM1/
MIC AGC
SCSW(MIC)
MOD SMF
MIC AA
A : MOD SUM/
B : MIC SUM2
6
8
7
5
3
1
2
oUT
A
IN-A
IN+A
IN-B
oUTB
VDD
TC75W51FK(F)
IC705
4
VSS
IN+B
TC75W51FK(F)
IC710
TC75S51FE(F)
IC706
VSS
1
3
2
IN-
IN+
oUT
VDD
4
5
IN/oUT
VCC
IC712
TC7S66FUF
4
5
CoNT
oUT/IN
1
3
2
GND
IN+
VDD
IC715
TC75S51FE(F)
4
5
oUT
VSS
1
3
2
IN-
TC75W51FK(F)
IC716
1500p
C718
22k
R744
22k
R757
22k
R761
330p
C728
0.1u
C736
18k
R775
6800p
C739
0.1u
C799
0.1u
C721
1200p
C735
22k
R762
330p
C730
1500p
C800
R764 22k
R763 22k
0
R786
100k
R784
47p
C749
100k
R794
33k
R796
4.7u
C758
4.7u
C757
0
R795
47p
C750
120k
R787
18k
R783
47k
R801
0.1u
C762
0.01u
C759
0.1u
C766
0.1u
C767
1u
C781
1u
C782
0.1u
C748
47k
R788
150k
R789
0.1u
C747
100k
R782
100k
R780
0.1u
C737
0
R440
0
R829
68k
R852
68k
R851
10k
R822
10k
R823
1M
15p
47k
0.1u
47k
1u
33k
R839
0.1u
68k
0
R834
560k
R841
12k
R840
0.039u
C791
15k
R835
68p
C789
680k
1u
C787
470k
R831
0
R828
100k
10k
R820
47p
C775
68k
R816
0.22u
C785
27k
R813
0.022u
C801
0.01u
C772
R767 10k
0.01u
C744
0.01u
C786
5.6k
R812
oUT
A
IN+B
5
6
8
7
IN-B
oUTB
VDD
VSS
4
3
1
2
IN-A
IN+A
IN+B
oUTB
VDD
2
oUT
A
1
VSS
4
3
IN-A
IN+A
7
8
6
5
IN-B
CN711
CN712
R825
R833
R830
C788
R832
R836
C790
C792
R837
C793
R838
560k
0.1u
DTI
TXI
C794
23
2
1
VOX
MM
/SCSW
33A
+B
33A
5A
INAMT
EXAMT
TXO
IFADCN
MOD
MIC
IFADCN
SP-
SP+
EXTSP+
EXTSP-
ME
MM
PGND
AUDIO
AMP
AUDIO
AMP
AF SW
AF AMP
VOLTAGE
(AF AMP)
REGULATOR
Q406,407
AF AMP SW
Q405
LPF
MODULATION
SUMMING AMP
MOD/MIC
VOX AMP
VOX AMP
MIC AMP
MIC SW
DETECTOR
DETECTOR
SP CONTROL
VOX
DETECTOR
VOX
MIC AGC
9
9
9
13
13
13
14
15
15
15
16
16
16
18
18
18
19
19
19
19
19
20
21
21
21
22
22
22
14
23
23
23
X53-426 7/10
AE
AF
AG
AH
AI
CONTROL UNIT (X53-4260-XX)