101
16.3. Main Circuit (2/6)
P1
AA
P1
P1
SA-AK980PU MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (1/6)
TO MAIN
SECTION (5/6)
TO MAIN
SECTION (3/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
17
1
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: AUX/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
: USB SIGNAL LINE
: AM/FM SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
SUBW
0
K3901
470K
R2302
10K
R2304
D3922
470K
C2308
4.7
R3931
820K
D3920
B0EAMM000057
C2313
0.022
R3930
1K
D3921
B0EAMM000057
C3911
50V1
0.068
C2306
0.068
C2307
22K
R2303
22K
R2305
C2194
0.047
0.47
C2196
0.47
C2184
0.01
C2192
22K
R2320
R2323
C2341
47P
47P
C2321
R2321
10K
R2311
470
C2311
10
C2312
10
C2315
1
C2316
1
C2193
0.047
C2195
0.47
B1ABCF000176
Q2320
4.7K
R2185
C2197
3300P
C2305
50V3.3
C2303
50V3.3
C2342
R2322
10K
R2324
68K
68K
C2322
47P
47P
R2314
100K
R2316
15K
470
R2312
C2310 10V100
R2313
100K
6
7
5
2
4
V-
3
8
V+
1
C0AABB000125
OP-AMP
IC2804
0.068
C2300
C2304
50V3.3
C2302
50V1
15K
R2315
56K
R2301
3
2
5
4
1
6
Q2310
B1GFGCAA0001
-9V
10
C2561
F_HOP
MOD_DA
GND2
MUTE_S
MUTE_F
R2132
22K
R2131
22K
LM_1
R2505
680
R2508
1K
R2510
56K
R2504
100
R2502
82K
R2506
47K
R2509
100
C2507
0.22
C2509
10V33
R2501
330K
3.9K
R2503
C2501
1
C2505
16V10
C2503
2.2
B1ABCF000176
Q2501
3
1
2
D2503
B0ADCC000002
C3910
0.47
C3912
50V2.2
4.7K
R2186
33K
R2533
33K
R2534
100
R2532
100
R2531
CLIP_S
ASP_CLK
ASP_DA
CLIP_ATTN
6
5
8
9
11
12
10
14
15
13
7
2
1
4
3
17
16
CN5050
R2184
10K
R2182
1K
6.8K
R2082
6.8K
R2081
R2084
8.2K
50V4.7
C2172
C2082
100P
C2081
100P
C2106
50V4.7
1
C2066
1
C2076
1
C2026
1
C2086
1000P
C2091
1000P
C2084
1000P
C2083
0.1
C2092
C2185
0.47
R2183
10K
C2187
4700P
C2191
0.01
C2189
0.01
C2181
50V1
1K
R2181
0.47
C2183
1
C2025
1
C2075
1
C2055
1
C2085
R2083
8.2K
1
C2095
1
C2096
C2065
1
1
3
2
4
JK2801
50V4.7
C2105
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
IC2803
C1AB00003093
2CH ELECTRONIC VOLUME
SWITCH
MUTING SWITCH
LEVEL METER
CONTROL SWITCH
R2134
22K
C2140
10P
1
C2123
MIC
12K
R2124
12K
R2123
R2143
0
C2130
50V1
C2136
47P
R2125
18K
R2126
18K
R2128
22K
10V33
C2170
1
C2056
REC_R_USB
REC_L_USB
3.9K
R2118
C3702
10V1
PA_IN_R
PA_IN_L
C3701
10V1
R2133
22K
C2129
R2120
3.9K
R2127
22K
0.01
C2120
C2119
6.3V100
iPod-R
iPod-L
27K
R2137
47P
C2135
C2139
10P
27K
R2138
2
1
7
8
V+
5
4
V-
3
6
IC2121
C0ABBB000230
OP-AMP
+9V
C2190
0.01
50V1
C2182
C2186
0.47
C2188
4700P
GND
CENTER
MOD_DA
FAN
FAN
MUTE S_C MODE 1
MUTE F_SW MODE 2
FHOP
DC_DET1
DC_DET1
AGND
AGND
FRONT L
AGND
SURROUND L
FRONT R
FRONTL
FRONTR
SIGNAL A_GND
SUBWOOFER
AGND
SURROUND R
[LCH]
[RCH]
SDA
D_PORT_R
[50] MUSIC.P_R
ROUT
VOL2CAPA
VOL2CAPB
EXTSENSE
INT
ROUT
BAS
MID
BAS
VCC
LOUT
LOUT
SCL
REC
[40] JUP_L
NC
NC
NC
NC
NC
JUP_L
D_PORTL_L
AUX_L
NC
AUX_L
AUX_L
AGND
TUNER_L
TUNER_L
CD_R
CD_L
[42] MUSIC.P_L
[26] SURTC
[27] SRFIL
PRE-IN
IN1
PRE-OUT
MID
TRE
D_PORT
VREF
DPORT_GND
PRE-IN
REC
[52] JUP_R
[14] BPF2
[15] BPF3
JUP_R
TUNER_R
TUNER_R
AUX_R
NC
AUX_R
AUX_R
AUX IN
PRE-OUT
IN1
MID
BAS
BPF1
BAS
TRE
MID
50V1
G
TO
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 12
Summary of Contents for SA-AK980
Page 15: ...15 5 3 Disc Information ...
Page 27: ...27 6 6 2 Error Code Table For Power Supply ...
Page 28: ...28 7 Troubleshooting Guide 7 1 Jupiter USB ...
Page 29: ...29 7 2 Troubleshooting Guide ...
Page 30: ...30 ...
Page 32: ...32 7 3 2 Troubleshooting Guide ...
Page 38: ...38 ...
Page 39: ...39 9 1 Disassembly Flow Chart ...