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AE
TK-5220
19
INAMT
EXAMT
SP DRIVE
AF AMP
IC408
TC75S51FE( F)
R433
1
IN+
VDD
0
2
VSS
A
3
IN-
oUT
R446 270k
C422 10p
20
22
14
TXO
R764 22k
R763 22k
MODULATION
LPF
R762
C730
22k
330p
MOD SMF
A
R744
R757
C728
22k
22k
330p
R761
22k
C721
R767 10k
0.1u
C735
1200p
IC706
MIC AA
TC75S51FE(F)
R775
MIC AMP
18k
4
3
oUT
IN-
2
VSS
5
1
VDD
IN+
C799
0.1u
A
16
15
21
23
IFADCN
18
9
13
80
X53-448 7/10
AF
SCHEMATIC DIAGRAM
19
Q406
Q406,407
2SB1132(Q,R)
VOLTAGE
REGULATOR
(AF AMP)
Q407
UMG3N
Q405
AF AMP SW
R459
1k
Q405
A
SSM6N16FE-F
A
IC409
5
TC7W66FK-F
AF SW
C424
4
0.1u
A
R458
100k
22
14
CN711
C757
4.7u
CN712
R784
R796
C758
100k
33k
4.7u
DI
IC710
TC75W51FK(F)
MOD/MIC
SUMMING AMP
A : MOD SUM/
B : MIC SUM2
A
C750
47p
R783
R787
R801
C762
18k
120k
47k
0.1u
A
A
SCSW(MIC)
MIC SW
AG
R : 5.14V
R471
0
R496 100k
AUDIO
TPA6201A1DRBR
AMP
1
SHUTDoWN
C440 0.1u
2
BYPASS
C437
R489
3
D409
IN+
0.056u
22k
4
MA2S111-F
IN-
A
SP CONTROL
C438
R490
D410
0.056u
22k
MA2S111-F
R484
22k
R497 100k
AUDIO
TPA6201A1DRBR
AMP
1
SHUTDoWN
C439 0.1u
2
BYPASS
C435
R487
3
IN+
0.056u
22k
4
IN-
A
C436
R488
0.056u
22k
C775
R828
0
47p
A
R816
68k
IC715
TC75S51FE(F)
A
4
3
oUT
IN-
2
VSS
5
1
VDD
IN+
C772
0.01u
A
VOX AMP
MIC AGC
DETECTOR
Q705
D703
2SC4738(GR)F
RB706F-40
R822
10k
D704
RB706F-40
R823
10k
Q706
DETECTOR
2SA1832(GR)F
MIC AGC
16
15
21
23
18
9
13
AH
CONTROL UNIT (X53-4480-XX)
IC413
8
Vo-
7
GND
6
VDD
5
Vo+
R495
100k
IC412
8
Vo-
7
GND
6
VDD
5
Vo+
R494
100k
22
D707
DA221
VOX
VOX
DETECTOR
C789
R835
C791
D706
RB706F-40
68p
15k
0.039u
C787
R833
1u
A : MIC SUM1/
680k
B : VOX
R840
IC716
12k
TC75W51FK(F)
VOX AMP
GND
R839
A
33k
R830
1M
C788
R832
C790
R836
C792
15p
47k
0.1u
47k
1u
R837
C793
68k
0.1u
R834
R838
C794
0
560k
0.1u
A
AI
19
SP-
SP+
PGND
19
EXTSP+
EXTSP-
ME
MM
19
16
15
21
23
IFADCN
18
9
13
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