16.3.
Main(MICON) Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
B
MAIN(MICON) CIRCUIT
SCHEMATIC DIAGRAM - 5
TO MAIN(MICON)
CIRCUIT (2/10)
TO MAIN(MICON)
CIRCUIT (6/10)
P1
P1
1
MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14
DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16
: AUX/TUNER/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
: USB SIGNAL
LINE
:
AM SIGNAL
LINE
: FM SIGNAL
LINE
SA-AKX74
MAIN(MICON) CIRCUIT
3/10
5/10
8/10
2/10
7/10
4/10
9/10
10/10
1/10
6/10
2
R2056
4.7K
C2072
3300P
C2073
C2074
R2051
1K
R2162
0
C2067
1
C2070
0.47
0.01
C2068
3300P
1
0.47
C2071
R2054
0
R2057
4.7K
R2052
1K
R2193
0
R2060
6.8K
R2059
4.7K
C2083
0.022
3300P
C2082
C2077
C2079
R2058
4.7K
C2076
C2078
C2153
10
C2081
C2080
0.01
0.018
0.47
1K
R2372
C2192
1
R2373
150K
B1ABCF000231
Q2001
R2064
15K
B1ABCF000176
Q2040
R2061 6.8K
R2355
12K
C2084
C2088
0.082
0.082
150K
R2062
R2063
15K
50V3.3
C2086
R2356
1K
B1ABCF000176
Q2037
C2087
4.7
C2085
50V3.3
C2075
0.01
0.018
0.47
0.01
1K
R2374
1
C2033
1
C2034
C2028
1
C2032
1
1000P
C2024
1000P
C2026
15K
R2152
15K
R2154
680
R2103
10
C2021
C2031
1
10
C2020
R2012
680
C2029
1
C2054
1000P
C2053 1000P
C2043
1000P
100P
C2049
C2046 1000P
100P
C2050
C2057
50V4.7
10V33
C2056
C2193
1
51
49
47
45
42
43
40
41
44
46
48
50
25
20
16
15
18
19
17
23
24
21
22
26
38
35
36
30
32
31
27
29
28
34
33
37
39
6
14
23
5
52
89
7
11
12
10
13
14
IC2000
C1AB00003256
ASP
R2375
150K
B1ABCF000176
Q2041
C2066
50V1
50V1
C2061
R2294 6.8K
R2295 6.8K
AUX_L
TUNER_R
RCH_IN
TUNER_L
AUX_R
C2089
50V3.3
R2078
56K
R2077
1K
C2242
0.1
C2093
16V1000
CLIP_ATTN
R2079
33
C2090
50V1
C2092
0.068
ASP_DATA
ASP_CLK
CD_L
CD_R
DAGND
PW_+9V
AGND
100
R2246
Q2042
B1ABCF000176
R2377
1K
SYS3.3V
BASS_SHIFT
RIGHT-OUT
LEFT-OUT
PW_+9V_1
MPORT_R
MPORT_L
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
LCH_IN
[26] SURTC
[14] BPF2
[15] BPF3
VOL2CAPA
GND
TONEB1B
TONEB2B
SRFIL
TONEM1B
TONEM2B
SDA
V+
SCL
OUTB
VOL2CAPB
EXTSENSE
INT
TONEB1A
TONEM1A
TONEM2A
TONEB2A
BPF1
OUTA
IN3B
[39] NC
IN1B
IN2B
RECOUTB
MONOUTB
IN2A
IN1A
IN3A
[1] NC
IN5A
RECOUTA
MONOUTA
IN6B
VREF
IN6DIFF
IN5B
NC
IN6A
NC
NC
NC
IN4A
IN4B
NC
VOLINA
VOLINB
TONEHB
TONEHA
MIC_GND
R2426
68K
C2055
C2060
47P
100P
67
5
2
43
8
V+
V-
1
IC2002
C2059
C2064
47
100
R2043
R2045
22K
22K
R2427
68K
C2048
50V1
C2047
50V1
R2039
22K
R2044
22K
C0ABBB000067
BUFFER AMP
R2032
47K
R2029
47K
C2241
0.1
C2041
6.3V100
R2024
3.9K
R2025
3.9K
R2030
47K
R2031
47K
MIC
C2037
0.047
R2050
22K
R2053
22K
R2129
0
85
Nota:
Para
el
valor
y
clave
de
cada
componente
referirse
a;
"Lista
de
partes
Eléctricas"
a
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página
134.
Summary of Contents for SA-AKX74LM-K
Page 14: ...5 General Introduction 5 1 Media Information 14 ...
Page 15: ...6 Location of Controls and Components 6 1 Remote Control Key Button Operation 15 ...
Page 16: ...6 2 Main Unit Key Button Operation 16 ...
Page 17: ...7 Installation Instructions 7 1 Speaker and A C Connection 17 ...
Page 26: ...9 1 2 Main P C B Front Side Fig 2 Main P C B Front Side 26 ...
Page 30: ...9 3 D Amp IC Operation Control 30 ...
Page 35: ...11 2 Main Components and P C B Locations 35 ...