Kenwood NXR-800 Service Manual page 142

C
C436
R469
10k
1u
MULTIPLEXER
R77
IC3
BU4053BCFV 100k
1 16
Y1 VDD
2 15
Y0 Y
3 14
Z1 X
4 13
A
Z X1
R70
5 12
Z0 X0
6 11 0
INH A
R471
7 10
VEE B
8 9 100k
VSS C
A
A
CODEC
IC4
AK4550VTP
63mV
16
1 C86
10u
VCoM AoUTR
15
C77 100u 2 C87 100u
AINR AoUTL
14
C78 10u 3
AINL PWDA
13
4
VSS PWAD
12
5 R529 0
VDD SCLK
11
6 R530
0
DEM0 MCLK
10
7 R531 0
DEM1 LRCK
9
8 R532
0
SDTo SDTI
OP AMP
IC5
457mV
00p NJM2732V C95 100u
82k 1 8 C96 100p
AoUTPUT
V+
2 7 R78 100k
A-INPUT
BoUTPUT
3 6
A+INPUT
B-INPUT
4 5
GND
B+INPUT
C81 0.1u
D/A
CONVERTER
R420
MULTIPLEXER
R484
IC2
BU4053BCFV R501
1 16
Y1 VDD
2 15
Y0 Y
3 14 R428 0
Z1 X
0
4 13 R429
Z X1
5 12 R430 0
Z0 X0
6 11
INH A
7 10
VEE B
8 9
A
VSS C
C80
0.1u
A
A
5.0V
3V
SC
OP AMP
C103
R100 47k
IC9
NJM2734V
100p
R83 1
14 C122 100p
AoUTPUT
DoUTPUT
2
120k 13
A-INPUT
D-INPUT
3
12 R102 12k
A+INPUT
D+INPUT
4
R103 47k
11
V+
GND
5
10
B+INPUT
C+INPUT
6
9
B-INPUT
C-INPUT
R84 7 R104
8
BoUTPUT
CoUTPUT
47k 47k
140mV
C102 R105
47k
15p
INVERTER
Q1
DTC114EUA
R93 0
80mV
C110
R87
22k
100u
R406 R106
0 0
IC8
M62364FP-F
13 12 200mV
VIN5 VIN4
0 14 11
VoUT5 VoUT4
0 15 10
640mV
VoUT6 VoUT3
0 16 9
VIN6 VIN3
17 8 EVOL_DATA
D0 DI
18 7 EVOL_CLK
VDAREF CLK
C98
19 6 EVOL_LD
RESET LD
20 5
10u
GND VDD
21 4
VIN7 VIN2
22 3
VoUT7 VoUT2
23 2
VoUT8 VoUT1
24 1
VIN8 VIN1
640mV
R131
47k
RD G1
D
R133
R127 47k
47k
OP AMP
C128
IC12
A
NJM2732V
100p
R115
1 8
AoUTPUT
V+
150k 2 7
A-INPUT
BoUTPUT
3 6
A+INPUT
B-INPUT
4 5
GND
B+INPUT
C134
0.1u
A
A
D_AF
125mV
C146 0.1u
MULTIPLEXER
IC14
BU4053BCFV
1 16
Y1 VDD
2 15
Y0 Y
3 14
Z1 X
4 13
Z X1
C409
5 12
A Z0 X0
6 11
1u
INH A
7 10
VEE B
8 9
VSS C
A
R144
R494
0 0
D6 A16
A
R400 0
R401 0
OP AMP
IC21
C177 100p NJM2734V
R158 33k 1
AoUTPUT
2
A-INPUT
3
92mV
A+INPUT
4
V+
5
645mV
B+INPUT
6
B-INPUT
7
BoUTPUT
R482 0 C193
C200
10u
OP AMP
C173
IC20
NJM2734V
100p
R151
1
AoUTPUT
DoUTPUT
120k
2
A-INPUT
D-INPUT
3
A+INPUT
D+INPUT
4
V+
GND
R154
R479 5
B+INPUT
C+INPUT
0
33k 6
B-INPUT
C-INPUT
7
BoUTPUT
CoUTPUT
C410
A
1u
C189 0.1u
R150
56k R160
56k
OP AMP
C446
IC19
NJM2732V
390p
R149
1
AoUTPUT
V+
33k 2
A-INPUT
BoUTPUT
3
A+INPUT
B-INPUT
4
GND
B+INPUT
C188
0.1u
A
33SH
D7
D6
D5
D4
D3
D2
D1
D0
SC
C190
R163 0 TA
1u
R178 0 TD
C197
R175
39k
33p
R166
14
DoUTPUT
13 33k
A
D-INPUT
12 SPM
150mV
D+INPUT
C202 R177
11 RA AF_MUTE
GND
10 0
1u
C+INPUT
9
C-INPUT
C203
8
CoUTPUT
100p
R174
68k
C192 1u
1u
AMP_SW
A
RD
MiC_D_iN
C208
R171
RX_AUDio_D
14
18k
10u
R172
13
12 47k
11
10
R167
9
8 47k
A
A
C199
MoD_D_oUT
100u
8
C194
7
A
6
56p
5
103
104
105
106
107
108
P03/AN13/D3
109
P02/AN12/D2
110
P01/AN11/D1
E
1
2
3
A
AF MUTE SW
Q26
DTC144EUA
P10/D8
P07/AN17/D7
P06/AN16/D6
P05/AN15/D5
P04/AN14/D4