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SCHEMATIC DIAGRAM - 15
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
POWER (1) CIRCUIT
IC502 IC502
RSN35H2A-P
MUTE C
AC DET
IN GND
OUT_R
-VCCM
OUT_L
LATCH
POWER HIC
+IN_R
+IN_L
+VCC
-IN_R
-IN_L
-VCC
GND
14 13 12 11 10 9 8 7 6 5 4 3 2 1
C258
2200P R277
56K
R534 C515 C518
5.6K C277 0.01 50V1
R269 39P
82K
R270 C458
100K 2200P R477
56K
R535
100K C477
R469 39P
2.7K
R536
R470 330K
56K
C519 IC501
100V10 RSN315H42B-P R279 4 -
POWER HIC RWDJ05-050
3 +
R280 2 -
IC501 RWDJ05-050
1 +
OUT GND
C244
OUT 1 2
OUT 1 1
OUT 2 2
OUT 2 1
JK951
AC DET
+VCC 1
+VCC 2
IN GND
-VCCM
-VCC 1
-VCC 2
0.047
-IN 2 1
-IN 2 2
-IN 1 1
-IN 1 2
+VD
-VD
R255
10 C245
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0.047
R256
10
R480
RWDJ05-050
C501
0.01
C445
0.047
C242
R501
D503 R250 R557 R555 R456
10K
B0BA01500003 2200P 68K 22K 22K 10
D514 R558
B0AACK000004 22K
6 +
R252 R452 R556 R554 5 -
C243 100K 68K
39P 10K 10K
C442 4 +
2200P R479
C538 R553 3 -
50V2.2 220K C443 RWDJ05-050 C444 R278
39P 0.047 RWDJ05-050 2
100K
R455 1
68K
R450 10 R478
C240 68K RWDJ05-050 JK952
2200P
C460 C260
R561
100K
C241
R451
R251
0.047 0.047
R562
39P
68K
C440 C441 R473 R273
2200P R249 39P 10 10
68K C503
1000P C502 R506
R449 6.3V470 100K
1 FAN Q513
DC_DET 68K
2
MUTE_H Q512
3
R445 R245 Q512-Q513 R503
4 3.3K 3.3K R502 B1AAGC000007 12K
22K
TO 5 HI_L DC DETECT SWITCH
VCC+
MAIN 1
HI_R Q514
R247
CIRCUIT 6
3.3K
R447 D513 2
(CN300) ON A_GND 3.3K B0AACK000004
7 VCC-
SCHEMATIC 3
LO_L TO
DIAGRAM-9 8
Q514 4 TRANS-
LO_R AC GND
9 B1AAGC000007 5 FORMER
CIRCUIT
15K
HEADPHONE
15K
15K
15K
10 MUTING SWITCH 6 (CN950)
SUBW ACIN ON
11 7
SCHEMATIC
R446
12 T GND
R246
R448
R248
R509 R508 R507
8 DIAGRAM -
CN500 330 330 330 13
9
1 P_GND
D502 H950/
B0BA01500003 W950
2 D_GND
UP GND
3
4 E500
TO
5
MAIN
CIRCUIT 6
(CN301) ON
7
SCHEMATIC
DIAGRAM-9 8
9
10
11
12
CN501