Integra NAC-2.3 Service Manual page 12

Audio network receiver
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A
SCHEMATIC DIAGRAM - 3
1
ONSCREEN SCLK
19
ONSCREEN SIN
ONSCRENN CS
+5V
+5V GND
15
PWR(SP RELAY)
AMUTE
TC9413 STB
2
TC9413 DATA
TC9413 CLK
10
TC4052 A
TC4052 B
IR
IR GND
SP RELAY +VCC
5
SP RELAY GND
TUNER Lch OUT
+5.6v
TUNER Rch OUT
1
NP200
0.47/50
3
39K
STEREO
R112
P101B
FFC
1
5
10
FM
AM
4
AREA1
AREA2
R7391
R7290
L
EXP
USA
R7493
R7390
H
JPN
EU
MODEL
NAC-2.3
R7394
82K
5
R7494
10K
B
RN1241
RN1241
Q102
Q101
Q103
NP200
DTA114ES
C101
C104
R108
39K
1/50
C102
3.3/50
39K
+0.5V
R107
C103
101
15
FM/AM TUNER
R109
680K
C105
223Z
Q104
2S1740S-R
RDSEN
R7289
R7389
C
R7279
1K
FLWR
FLSEL
R7280
1K
R7281
1K
FLDA7
81
P07/
R7282
1K
FLDA6
82
P06/
R7283
1K
FLDA5
R7494
10K
R7289
000J
83
P05/
R7284
1K
102K
FLDA4
84
P04/
C7294
R7285
1K
FLDA3
85
P03/
R7389
R7394
2.7K
R7286
1K
FLDA2
86
P02/
R7287
1K
R7391
10K
10K
FLDA1
87
P01
R7288
1K
FLDA0
C7291
R7290
88
P00
102K
RDSEN
89
P107/
R7390 10K
R7493
000J
AREA2
90
P106/
2.7K
4.7K
R7291
AREA1
91
P105/
4.7K
R7292
HPDET
92
P104/
93
P103
4.7K
R7294
MODEL
94
P102
R7295
KEY1
95
P101
4.7K
96
AVSS
R7297
KEY0
97
P100
4.7K
98
C7206
VREF/
99
AVCC
104Z
100
C7205
R7397
2.7K
100/6.3
C7297
102K
C7295
102K
2.7K
R7395
3.3K
R110
X781
AF6146CG
Q781
BU1923
+2.5V
1
5
NADG-7651
8
NAC-2.3
D
Q7001
M16C/62A
P97/
C7213
104Z
X7201
CST16.00MXW0C1
1
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
R309
220
C303
R301
22/50
220K
Q301
TC9413AP
R302
220K
R307
C304
220
22/50
P7001A
PLUG_20
R311
100
100
R312

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