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13.10. D-Amp B (3CH) Circuit
1
2
3
SCHEMATIC DIAGRAM - 27
A
O
D-AMP B(3CH) CIRCUIT
B
IC5500
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
C5550
C
0.01
1
1A
VCC
14
C5556
0.01
D5501 - D5502
MA2J11100L
2
1Y
6A
13
C5557
220P
3
2A
6Y
12
C5551
390P
4
5A
2Y
11
C5553
100P
5
3A
5Y
10
6
3Y
4A
9
C5552
D
390P
7
8
GND
4Y
1
O1
VCC
14
E
2
O1
O2
13
3
CP1
O2
12
4
CD1
CP2
11
10
5
D1
CD2
6
SD1
9
D2
8
7
GND
SD2
F
IC5501
C0JBAF000716
D-TYPE FLIP-FLOP
K5255
0
G
K5253
0
H
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
FHOP
FAN_DC
1
2
3
4
5
6
OSC
C5312
C5313
C5316
C5317
R5307
0.1
0.1
IN+_SR
0.47
5.6K
47P
C5314
R5306
SW+5V
0.47
5.6K
VDDP
VSSP
R5310
10
VSSA3
OSC
SW+5V
R5610
Q5603
4.7K
B1ADCE000012
R5611
SWITCH
4.7K
SW+5V
Q5604
R5602
B1ABCF000176
10K
MOD_DA
SWITCH
Q5601
B1ABCF000176
B1ABCF000176
MUTE_S
SWITCH
R5609
10K
R5606
10K
MUTE_C
B1ABCF000176
4
5
6
7
8
9
IC5300
C1BA00000487
AUDIO DIGITAL POWER AMP
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
C5324
C5322
C5304
C5305
C5306
0.015
0.015
47P
C5323
0.1
0.1
220P
C5307
C5311
R5302
R5305
220P
220P
C5333
10
10
1000P
C5326
C5325
220P
220P
68K
R5018
MODE1
MODE2
R5020
120K
Q5102
B1ABCF000176
R5218
68K
R5228
120K
DC DETECT
Q5101
R5318
120K
R5328
68K
DC DETECT
Q5602
SWITCH
AGND
7
8
9
111
10
11
12
R5304
23
100
MODE2
SR_+
D5302
B0HCMM000019
D5304
B0HCMM000019
K5500
0
D5301
B0HCMM000019
D5303
B0HCMM000019
L5300
G0A150L00003
1
2
3
4
SL_-
C5693
0.1
1
2
3
SL_+
SR_+
SR_-
C_+
C_-
R5670
0
FAN_GND
Q5644
2SC584500L
FAN MOTOR DRIVE
C5697
D5643
50V1
MA2J11100L
SIGNAL
D5644
MA2J11100L
1/2
2/2
SA-BX500EB/EE/EG
10
11
12
SA-BX500EB / SA-BX500EE / SA-BX500EG
13
14
CN5550*
SR+
1
SR+
2
H
SR-
TO
3
SR-
C+
SPEAKER CIRCUIT
4
C+
(JW4603)
5
C-
IN SCHEMATIC
6
C-
SL+
DIAGRAM - 22
7
SL+
8
SL-
SL-
9
4
2
1
3
SR+
SR-
P1
CN5501
FAN DC OUT
FAN GND
FAN LOCK
Q5640
B1BACD000018
FAN MOTOR DRIVE
Q5642
2SC584500L
FAN MOTOR DRIVE
R5639 R5640
R5637
Q5642
1.8K
0
1K
R5656
10K
C5696
25V22
R5660
10K
TO D-AMP B(3CH)
SECTION (2/2)
5
D-AMP B(3CH) CIRCUIT
13
14
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