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13.9. D-Amp A (4CH) Circuit
1
2
3
SCHEMATIC DIAGRAM - 25
A
N
D-AMP A(4CH) CIRCUIT
B
IC5500
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
C5550
0.01
C
1
1A
VCC
14
C5556
0.01
D5501 - D5502
2
1Y
6A
MA2J11100L
13
C5557
X5501
220P
3
H2A7003A0011
2A
6Y
12
C5551
390P
5A
4
2Y
11
C5553
100P
5
3A
5Y
10
X5500
H2A6023A0011
6
9
3Y
4A
C5552
R5505
D
390P
100
7
GND
8
4Y
1
O1
VCC
14
E
2
O1
O2
13
CP1
O2
12
3
4
CD1
CP2
11
5
10
D1
CD2
6
SD1
9
D2
8
7
GND
SD2
F
IC5501
C0JBAF000716
D-TYPE FLIP-FLOP
K5255
0
G
K5252
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
C5313
C5316
C5317
R5307
C5312
0.1
0.1
0.47
5.6K
47P
IN+_FR
C5314
R5306
SW+5V
0.47
5.6K
VDDP
VSSP
R5310
10
VSSA3
OSC
SW+5V
MODE1_2
R5610
Q5603
4.7K
B1ADCE000012
R5611
SWITCH
4.7K
SW+5V
Q5604
R5602
B1ABCF000176
10K
MOD_DA
SWITCH
Q5601
B1ABCF000176
B1ABCF000176
MUTE_F
SWITCH
R5609
10K
R5606
10K
MUTE_SB
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
C5323
0.015
47P
0.1
0.1
220P
C5307
C5311
R5302
R5305
220P
220P
C5333
10
10
1000P
C5325
C5326
220P
220P
R5018
68K
MODE1
MODE2
R5113
120K
R5020
120K
R5019
68K
Q5102
R5218
68K
B1ABCF000176
R5228
120K
DC DETECT
Q5101
R5318
120K
R5328
68K
DC DETECT
Q5602
SWITCH
AGND
7
8
9
109
10
11
12
R5304
23
100
MODE2
FR_+
D5302
B0HCMM000019
D5304
B0HCMM000019
K5500
0
D5301
B0HCMM000019
D5303
B0HCMM000019
L5300
G0A150L00003
1
2
3
4
C5693
0.1
FL_-
1
2
3
SBL_-
D5645
FL_+
MA2J11100L
SBL_+
DC_DET
FR_+
FR_-
SBR_+
Q5641
SBR_-
2SC584500L
FAN LOCK DETECT
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*
FR+
1
FR+
2
FR-
3
FR-
SBR+
4
SBR+
H
TO
5
SPEAKER CIRCUIT
SBR-
6
SBR-
(JW4602)
FL+
7
FL+
IN SCHEMATIC
8
DIAGRAM - 22
FL-
9
FL-
SBL+
10
SBL+
11
SBL-
12
SBL-
4
2
1
3
FR+
FR-
P1
M
CN5501
TO
FAN CIRCUIT
FAN DC OUT
(JW5993*)
FAN GND
IN SCHEMATIC
FAN LOCK
DIAGRAM - 24
Q5640
B1BACD000018
FAN MOTOR DRIVE
Q5642
2SC584500L
FAN MOTOR DRIVE
R5639 R5640
R5637
1.8K
1K
Q5642
0
R5656
10K
C5696
25V22
R5660
10K
TO D-AMP A(4CH)
SECTION (2/2)
5
D-AMP A(4CH) CIRCUIT
13
14
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