Kenwood NX-210(G) Service Manual page 84

AE
NX-210(G)
R898
5A
15k
VOLTAGE
REGULATOR
SW
Q806
SSM6N16FE-F
R897
INAMT
1k
EXAMT
33A
C894
0.01u
AF SW
IC816
TC7W66FK-F
1 8
IN_oUT1 VCC
2 7
oUT_IN1 CoNT1
3 6
CoNT2 oUT_IN2
4 5
GND IN_oUT2
SP CONTROL
R925
100k
VREF
1
C129
0.1u 2
C131 R125 3
22k(D)
0.056u 4
C132 R126
22k(D)
0.056u
PSRIF
D811,812
REVERSE
CURRENT
PREVENTION
5AD
33A
15M
5A
ME
+B
SBC_ASIC
/PSW
/BINT
SB2
SCTAMI
33M
RXD
TXD
31BU
84
X57-927 6/11
AF
SCHEMATIC DIAGRAM
VOLTAGE
REGULATOR
(AF AMP)
Q809
KRC660U-P
R917
1k
SP CONTROL
D806
R940
22k
DA2S101
R939
100k(D)
AUDIO AMP
IC817
TPA6201A1DRBR
1 8
SHUTDoWN Vo-
C908
0.1u
2 7
BYPASS GND
C909 R935 3 6
IN+ VDD
0.056u 22k(D) 4 5
IN- Vo+
C906
R933 R938
0.056u 22k(D) 100k(D)
R132
22k
R947
R121 0
100k(D)
AUDIO AMP
IC103
TPA6201A1DRBR
8
SHUTDoWN Vo-
7
BYPASS GND
6
IN+ VDD
5
IN- Vo+
R122
100k(D)
D809
R949
KDR720F-P
D808-810
REVERSE
CURRENT
PREVENTION
D808
R950
KDR720F-P
R956
D810
R957
KDR720F-P
WITH UNIV:5.02V
IC818 WITHOUT UNIV:0V
NJM2880U105ZB
VOLTAGE
REGULATOR
(50U)
R953
10k
2 INPUT
AND GATE
IC819
TC7SET08FU-F
Q813
DUAL
LEVEL
BUS
CONVERTER
BUFFER
IC820
TC7WH126FK
C916
0.01u
R951
47k
AG
C905
0.1u
VOLTAGE
REGULATOR
(AF AMP)
Q810
2SB798AZ(DLDK
R:5.06V
T:0.00V
R932
/KEYI3
0
KEYO3
/KEYI2
SURGE
ABSORPTION
1k
L803
L804
1k
L805
100
L806
1k
R959
100
L802
R952
10k
REVERSE
CURRENT
PREVENTION
D813
KDR720F-P
REVERSE
CURRENT
PREVENTION
RXD
TXD
AH
TX-RX UNIT (X57-9270-12)
R962
0
R964
0
CN806
5
4
3
2
1
L102
CN805
1
D101,102
2
L101
D816,818,820
SURGE
ABSORPTION
CN804
14
13
12
11
10
9
8
7
6
L807 5
4
3
R960 100
2
R961 100
1
D815,817,819
SURGE
ABSORPTION
DUAL BUS BUFFER
IC821
TC7WT125FUF
8
1
G1 VCC
7
2
A1 G2
6
3
Y2 Y1
4 5
GND A2
C933 0.01u
AI
SW2
Side_G
GND
PTT
SW1
SSW
SP+
SP-
MSW
EMC
ME
PTT
PF
OPT
E
5V
TXD
RXD
NC
33A
15M
5A
PSRIF
+B
SBC_ASIC
/PSW
/BINT
SB2
SCTAMI
33M
31BU