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77
B
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
MAIN
CIRCUIT
SA-AK180PN/PU
2/4
4/4
1/4
3/4
TO MAIN
SECTION (3/4)
TO MAIN
SECTION (2/4)
: AUDIO OUTPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: FM/AM SIGNAL LINE
: AUX/M.PORT INPUT AUDIO SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
: USB SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
I
J
L
M
N
P
O
K
R2321
5.6K
1
C2315
R2323
39K
6
7
5
2
4
3
8
V+
V-
1
C0AABB000125
OP-AMP(FRONT)
IC2804
C2321
47P
C2329
0.01
330P
C2323
18
R2356
R2352
18
C2365
25V4.7
R2366
820
R2367
22K
R2365
100K
QR2317
B1GDCFGA0018
MUTING CONTROL
MUTE_A
R2359
3.3K
R2360
3.3K
C2358
1000P
C2357
1000P
18
R2358
R2354
18
18
R2355
R2351
18
18
R2357
R2353
18
-9V
-9V
HP_R
C2733
16V47
16V47
C2737
390
R2733
D2733
MAZ8082GML
C2738
0.1
C2736
0.01
10V33
C2735
100
R2735
Q2735
B1BACD000018
+7.5V REGULATOR
+12V REGULATOR
D2732
B0EAKM000117
0.01
C2734
2
1
3
IC2731
C0CAAKG00046
C2732
0.1
R2362 3.3K
R2363
1
R2364
1
HP_L
3.3K
R2361
3
2
5
4
1
6
Q2359
B1GFGCAA0001
MUTING
10K
R2336
R2346
8.2K
R2333
470
C2322
47P
R2324
39K
C2330
0.01
C2324
330P
R2335
10K
C2341
1
R2337
100K
R2338
100K
3
2
5
4
1
6
Q2335
B1GFGCAA0001
R2345
8.2K
C2345
5.6K
R2343
5.6K
R2344
1
C2316 R2322
5.6K
R2334
470
C2342
1
0
C2346
0
+9VASP
TUNER_GND
1
C3805
2091
L2911
G0C330JA0055
MOTOR_GND
10K
R2626
10K
R2622
15K
R2621
R2623
15K
TU_SD
TU_ST
TU_SDA
TU_SCLK
DVREF+
4
3
7
5
6
1
2
9
10
8
Z3601*
MOTOR_12V
+9VASP
FRONTR
FRONTL
OUT
IN
GND
DC18V
ROUT
A_GND
LOUT
TUNER_L
TU_R
TU_ST
TU_L
TU_SDA
PORTSEL
TU_SD
TU_SCLK
TUNER
CHASSIS GND
+7.5V
9V
DET_OUT
TU_GND
J3CCBB000010
TUNER_R
TP
1
2
3
4
JK2801
C2092
0.1
C2083
C2084
1000P
1000P
5.6K
6.8K
6.8K
R2082
R2081
5.6K
R2084
R2083
100P
100P
C2081
C2082
C2093
0.01
A_GND
AUX_L
[RCH]
AUX
[LCH]
AUX_R
P1
1
P1
MUTING
C2343
4700P
C2344
4700P
Summary of Contents for SA-AK180PN
Page 21: ...21 Fig 3 Fig 4 ...
Page 22: ...22 Fig 5 ...
Page 33: ...33 9 2 Main Components and P C B Locations ...
Page 72: ...72 ...
Page 96: ...96 ...