Kenwood NX-210 Service Manual page 80

U
NX-210
SCHEMATIC DIAGRAM
15M
L202
33AA
13
VREF RSTN
14
VIN2 VIN1
15
D/A CONVERTER
VoUT2 VoUT1
IC801
16
AK2330
VoUT3 VoUT0
17
VIN3 VIN0
18
VIN4 VIN7
R819
0
OPT SW
Q802
C855
2SA1832(GR)F
0.1u
SBC_ASIC
/PSW
/BINT
5A
INTMIC
ME
SB2
SCTAMI
33M
RXD
TXD
31BU
LCDCNT
OPT6
OPT6
TXI
RXEI
RXEO
TXO
OPT2
OPT7
OPT11
OPT8
DTI
OPT9
C389
AO
AI
OPT5
OPT10
OPT4
26P_TD
26P_RD
OPT3
OPT1
80
X57-771 (A/2) 4/11, (B/2) 1/1
V
6
5
4
3
2
1
R862 C851
82k 680p
APC LPF
IC811
TC75W51FK(F)
R861 C850 R873
82k 3300p 0
R867
10k
TX-RX UNIT : OPTION BOARD SECTION (X57-7710-10)(B/2)
F301 CN336 CN923
0.25A
POW POW
26 26
OPT6 25 25 OPT6
TXI 24 24 TXI
RXEI 23 23 RXEI
RXEO 22 22 RXEO
TXO 21 21 TXO
OPT2 20 20 OPT2
OPT7 19 19 OPT7
OPT11 18 18 OPT11
OPT8 17 17 OPT8
DTI 16 16 DTI
OPT9 15 15 OPT9
4.7u 5V 14 14 5V
AGND 13 13 AGND
AO 12 12 NC
AI 11 11 NC
AGND 10 10 AGND
DGND 9 9 DGND
OPT5 8 8 OPT5
OPT10 7 7 OPT10
OPT4 6 6 OPT4
CK 5 5 NC
26P_TD 4 4 26P_TD
26P_RD 26P_RD
3 3
OPT3 2 2 OPT3
OPT1 1 1 OPT1
W
ASQ
CN502
R888 R891
33A
1k
6.8k
R901
100k
C884
47p
SQL BPF/
SQL DC AMP
IC815
TC75W51FK(F)
33A
VREF
C875
C881 R908 R920
330k 330k
W/N NOISE SW 1000p 100p
Q805
SQL
SSM3K15TE(F) NOISE
AMP
2SC4617(S)
C870 C873 C882
1000p 47p 100p
AGND
DGND
OPT2
OPT1
POW
OPT6
TXI
RXEI
RXEo
TXo
X
TX-RX UNIT (X57-7710-10) (A/2)
PLD CONTROL
R913
10k
5A
NOISE
DETECTOR
D807
RB706F-40
R934
C900
39k
0.22u
Q808
SBC_ASIC
/PSW
/BINT
5A
INTMIC
ME
SB2
SCTAMI
33M
RXD
TXD
31BU
OPT10
OPT3
OPT4
OPT5
OPT7
OPT11
OPT8
DTI
OPT9
5V
Y
15M
VREF
33A
5A
INTMIC
ME
SBC_ASIC
/PSW
/BINT
SB2
SCTAMI
33M
RXD
TXD
31BU