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SCHEMATIC DIAGRAM - 15
POWER (1) CIRCUIT
C258
2200P
R534
5.6K
R270
100K
D503
B0BA01500003
50V2.2
FAN
1
DC_DET
2
MUTE_H
3
4
TO
HI_L
5
MAIN
HI_R
CIRCUIT
6
(CN300) ON
A_GND
7
SCHEMATIC
LO_L
DIAGRAM-9
8
LO_R
9
10
SUBW
11
T GND
12
CN500
P_GND
1
D_GND
2
UP GND
3
4
TO
5
MAIN
CIRCUIT
6
(CN301) ON
7
SCHEMATIC
DIAGRAM-9
8
9
10
11
12
CN501
: +B SIGNAL LINE
IC502
13
11
10
14
12
9
8
R277
56K
C515
C277
0.01
39P
R269
56K
C458
2200P
R477
56K
R535
100K
C477
39P
R469
2.7K
R470
56K
IC501
18
17
16
15
14
13
12
11
C501
0.01
C242
R250
2200P
68K
D514
B0AACK000004
C243
39P
C442
2200P
C538
R553
220K
C443
39P
R450
C240
68K
2200P
C241
39P
C440
R249
2200P
R445
R245
3.3K
3.3K
R447
3.3K
B0AACK000004
B1AAGC000007
D502
B0BA01500003
: -B SIGNAL LINE
: MAIN SIGNAL LINE
7
6
5
4
3
2
C518
50V1
R536
330K
IC501
C519
RSN315H42B-P
100V10
POWER HIC
1
10
9
8
7
6
5
4
3
2
R252
100K
C441
39P
68K
R449
68K
Q512
R502
22K
Q514
D513
Q514
HEADPHONE
MUTING SWITCH
R509
R508
R507
330
330
330
IC502
RSN35H2A-P
POWER HIC
1
L280
0.7U
R280
10
C244
0.047
R255
10
L480
0.7U
R480
10
R557
R555
22K
22K
R558
R452
R556
R554
22K
68K
10K
10K
R479
L478
C444
10
0.7U
0.047
L479
R455
0.7U
10
R478
10
C503
Q513
R506
C502
1000P
100K
6.3V470
Q512-Q513
R503
B1AAGC000007
12K
DC DETECT SWITCH
E501
C438
C238
0.047
0.047
L279
0.7U
-
4
R279
3
+
RIGHT
10
C280
SPEAKERS
2
-
3300P
+
1
C279
JK951
3300P
C245
0.047
R256
10
C445
C480
0.047
3300P
R456
10
L278
0.7U
6
+
R278
-
5
LEFT
SPEAKERS
10
4
+
C479
-
3
3300P
2
SUBWOOFER
1
C460
C260
JK952
0.047
0.047
R473
R273
10
10
VCC+
1
2
VCC-
3
TO
4
TRANS-
AC GND
FORMER
5
CIRCUIT
6
(CN950)
ACIN
ON
7
SCHEMATIC
DIAGRAM -
8
13
9
H950/
W950
E500
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