Kenwood NX-210(G) Service Manual page 82

U
NX-210(G)
15M
33AA
6 5 4 3 2 1
VoUT2
VoUT3
7
VoUT4 VoUT1
8
D/A CONVERTER
VIN4 VIN1
9 IC801
R2A20178NP
VIN5 VIN8
10
VoUT5
VoUT8
11
R819
VoUT6 VoUT7
12
0
13
14 15 16 17 18
PSRIF
SBC_ASIC
/PSW
/BINT
5A
INTMIC
ME
SB2
SCTAMI
33M
RXD
TXD
31BU
LCDCNT
F301
OPT6
0.25A
R449 0
POW
OPT6 OPT6
TXI
RXEI RXEI
RXEO RXEO
TXO TXO
OPT2 OPT2
OPT7 OPT7
OPT11 OPT11
OPT8 OPT8
DTI
OPT9 OPT9
C396 4.7u
AGND
AO
AI
AGND
DGND
OPT5 OPT5
OPT10 OPT10
OPT4 OPT4
26P_TD 26P_TD
26P_RD 26P_RD
OPT3 OPT3
OPT1 OPT1
82
X57-927 4/11, X58-524 1/1
V
SCHEMATIC DIAGRAM
24
23
22
21
20
19
R862 C851
82k 680p
APC LPF
IC811
BU7242NUX
R861 C850 R873
82k 3300p 0
R867
10k
SUB (GPS) UNIT (X58-5240-11)
CN321
26 CN10
26 25
A V R
25
TXI 24
CN8
I C 4
23 5C
B U 3 1 T D 3 W G
22
R11
1
21
V I N
10
20
2
20 19 G N D
19
3 S T B Y
18
17
DTI 16
15
5V
14 14 5V
13
13 AG
AO 12
AI 11
10 10 AG
9 9
DG
R17
8
8 OPT5 I C 2
TC7WH126FU-F
7 7
1k
6
1 G1
CK 5 VC C
R10
4 4 RXD 2 A1
3
3 TXD 100
3 Y2
2
2 1
1 4
R9 GND
100
W
ASQ
CN502
R888 R891
33A
1k
6.8k
R901
100k
C884
47p
SQL BPF/
SQL DC AMP
IC815
BU7242NUX
33A
VREF
C875 C881 R908
W/N NOISE SW 330k
1000p 100p
Q805
SSM3K15TE(F)
C870 C873 C882
1000p 47p 100p
G P S M O D U L E
I C 1
C N 3
13 GND2 12
GND3
14 RF_IN 11
5
VoUT MoSI/CFG_CoM0
15 10
GND1
MISo/CFG_CoM1
16 9
VCC_RF
4
NC CFG_GPS0/SCK
17 8
RESERVED2
RESERVED3
18 7
R18
VDDUSB
SDA2
19
6
USB_DP
0
SCL2
20
USB_DM 5
TXD1
21 4
EXTINT0
RXD1
22 3
TIMEPULSE
V_BCKP
23 2
SS_N
VCC
1
24
RESERVED1
GND4
8
7
G 2
Y 1 6
R7
5
A 2
1 2
CN5
X
TX-RX UNIT (X57-9270-12)
PLD CONTROL
R913
10k
PSRIF
5A
NOISE
DETECTOR
D807
KDR731
R934
R920 C900
39k
330k 0.22u
SQL
NOISE
AMP
Q808
2SC4617(S)
SBC_ASIC
/PSW
/BINT
5A
INTMIC
ME
SB2
SCTAMI
33M
RXD
TXD
31BU
Y
15M
VREF
33A
5A
INTMIC
ME
SBC_ASIC
/PSW
/BINT
SB2
SCTAMI
33M
RXD
TXD
31BU