107
17.3. Main 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 CIRCUIT
SCHEMATIC DIAGRAM - 3
SA-AKX92PH MAIN
CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
CIRCUIT (2/8)
TO MAIN
CIRCUIT (5/8)
P1
2
3
4
: AUX/MIC/TUNER/MUSIC PORT AUDIO INPUT SIGNAL LINE
: CD/DVD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: +B SIGNAL LINE
1
5
: -B SIGNAL LINE
C2081
+9V
R2356
1K
R2355
56K
R2377
1K
R2246
100
B1ABCF000176
SWITCH
Q2042
B1ABCF000176
SWITCH
Q2037
C2087
4.7
12K
R2063
0.022
C2083
BASS_SHIFT
SYS3.3V
R2373
390K
R2079
33
1K
R2372
R2077
1K
R2064
15K
B1ABCF000176
SWITCH
Q2001
C2092
0.068
0.1
C2242
R2078
56K
C2089
50V3.3
C2085
50V1
50V3.3
16V1000
C2093
C2090
150K
R2062
C2088
82K
CLIP_ATTN
82K
C2084
ASP_DATA
ASP_CLK
3300P
C2082
B1ABCF000176
SWITCH
Q2040
R2061
6.8K
R2060
6.8K
50V3.3
C2086
4.7K
R2015
1.8K
R2013
C2032
1
C2045
1000P
C2030
4.7
C2043
1000P
100P
C2049
50V1
C2061
C2028
1
C2067
1
R2051
1K
R2058
1K
C2078
C2080
0.47
0.33
0.047
C2070
R2162
0
C2076
0.047
C2074
0.047
R2056 1.2K
C2072 2200P
1K
R2374
B1ABCF000176
SWITCH
Q2041
PA_IN_GND
REC_R_USB
REC_L_USB
0
R2343
16V10
C2038
0
R2021
C2039
16V10
R2020
0
R2054
0
390K
R2375
C2066
50V1
C2068
1
R2052
R2193
0
1K
C2073
2200P
C2071
0.47
1
C2033
1.8K
R2014
1
C2034
TUNER_R
4.7
C2035
AUX_R
R2016
4.7K
R2009
3.3K
4.7K
R2012
R2011
4.7K
3.3K
R2010
C2025
10
C2026
1000P
1000P
C2036
C2029
1
C2024
10
C2031
1
C2044
1000P
PA_IN_R
PA_IN_L
AUX_L
TUNER_L
C2057
50V4.7
10V33
C2056
1000P
C2054
100P
C2050
C2046
1000P
C2053
1000P
JUPITER_L
JUPITER_R
CD_L
CD_R
R2057
1.2K
R2059
1K
A_D_GND
C2153
10
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
1
4
2
3
5
52
8
9
7
11 12
10
13
14
IC2000
C1AB00003256
C2079
C2077
C2075
0.33
0.047
0.047
0.047
LEFT-OUT
RIGHT-OUT
AGND
ASP
R2001
8.2K
R2005
10K
0.01
C2000
R2006
10K
R2002
8.2K
1
3
2
4
JK2000
AUX_R
AUX_L
AUX IN
[RCH]
[LCH]
[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
C2192
1
C2193
1
Summary of Contents for SA-AKX92PH
Page 13: ...13 5 Location of Controls and Components 5 1 Main Unit Key Button Operation ...
Page 14: ...14 5 2 Remote Control Key Button Operation ...
Page 15: ...15 5 3 Media Information ...
Page 27: ...27 7 2 4 Surround D Amp P C B Fig 4 Surround D Amp P C B Audio Digital Amp IC IC5900 ...
Page 33: ...33 9 2 Main Components and P C B Locations ...
Page 73: ...73 Step 9 Ground the 24P FFC with a short pin ...
Page 92: ...92 ...
Page 93: ...93 14 Simplified Block Diagram 14 1 Overall Simplified Block Diagram ...
Page 104: ...104 ...
Page 140: ...140 ...
Page 157: ...157 MMH1103 ...