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7.5.
Main (AMP BTL) Circuit (1/2)
1
2
3
SCHEMATIC DIAGRAM - 4
A
A
MAIN (AMP BTL) CIRCUIT
B
C
AS
AMP_EXT_CLK
DS
SW+
AS
AMP_EXT_CLK2
DS
SW-
DS
AMP_GND
DS
AMP_-5V
AMP_+5V
DS
D
AMP_SHUTDOWN
AS
E
AS
PW_-29V
F
R4578
5.6K
AS
PW_THERMO
AS
AMP_TEMP_DET
R4577
100K
QR4501
B1GBCFJJ0007
SWITCH
G
FA
DC_DET_AMP
QR4502
B1GDCFNN0032
SWITCH
IO
DGND
IO: MAIN (I/O EXPANSION): SCHEMATIC DIAGRAM - 1
FA: MAIN (FAN LED): SCHEMATIC DIAGRAM - 2
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 3
AS: MAIN (AMP SINGLE): SCHEMATIC DIAGRAM - 8 ~ 9
H
NOTE: " * " REF IS FOR INDICATION ONLY
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
C4502
2.2
R4511
150
C4517
1000P
C4513
100P
R4510
8.2K
C4515
2200P
C4516
2200P
C4514
10
R4509
3.3K
R4512
150
C4521
1000P
C4518
100P
R4513
8.2K
C4519
2200P
C4522
2200P
C4520
10
R4514
3.3K
R4501
10
R4502
10
C4508
10
R4506
3.3K
C4509
100P
R4507
8.2K
C4512
2200P
C4511
2200P
C4510
1000P
R4508
150
C4507
100P
R4505
8.2K
C4503
10
R4503
3.3K
C4504
2200P
C4505
2200P
R4504
150
C4506
1000P
C4529
10
C4501
2.2
R4557
1.5K
D4509
B0ACCK000005
VD
R4570
4
VTEMP
3
0
GND
2
C4563
0.01
D4519
C4562
OS
DZ2J051M0L
2.2
5
CTRL
1
C4557
0.1
IC4502
C0ZBZ0001675
TEMPERATURE SENSOR
G2
G1
ZA4501*
HEATSINK
4
5
6
7
8
9
: AUDIO OUTPUT SIGNAL LINE
R4549
R4516
R4519
5.6K
4.7K
R4547
10K
R4548
R4552
C4528
C4584
R4550
22
22
3.9K
10K
R4515
2.2K
C4527
R4542
R4543
22
3.9K
10K
36 35
34
33
32
31
30
29
28
27
26
25
C4583
R4541
22
R4540
37
COMP3
VB3
24
23
38
IN3
CSH3
R4539
10K
R4537
39
COMP4
LO3
22
[36]VREF
[26]VS3
R4538
LO4
21
40
IN4
[35]OCSET
[25]HO3
41
GND
[34]DT
COM2
20
19
42
VSS
NC
C4524
IC4501
1
43
VAA
NC
18
R4520
C0ZBZ0001673
VCC2
17
44
IN2
R4527
AUDIO AMPIFIER DRIVER
45
COMP2
LO2
16
R4529
IN1
LO1
15
46
THERMAL
R4523
10K
PAD
47
COMP1
CSH1
14
R4526
VB1
13
48
CSD
R4521
T1
C4525
C4581
R4522
R4524
1
2
3
4
5
6 7
8
9
10
11 12
22
22
3.9K
10K
R4535
R4536
10K
3.9K
R4532
R4531
R4530
10K
7
8
9
22
10
11
12
D4508
B0ACGM000001
4.7
D4507
B0ACGM000001
47K
R4551
47K
R4546
22
R4545
22
R4544
47K
D4505
B0ACGM000001
4.7
47K
D4506
B0ACGM000001
22
22
4.7
22
22
D4502
B0ACGM000001
47K
4.7
D4501
B0ACGM000001
R4525
47K
R4528
22
R4534
22
R4533
47K
D4504
B0ACGM000001
4.7
47K
D4518
D4503
B0ACGM000001
B0ACCK000005
D4521
DZ2J150M0L
L4505
G1C100KA0101
Q4511
B1BACG000048
SWITCH
R4579
R4582
C4564
0.01
8.2K
10K
R4580
100
C4569
C4565
D4520
16V22
0.47
DZ2J110M0L
1/2
2/2
SA-MAX670P MAIN
10
11
12
13
14
AMP_GND
VS4
VS3
1
2
3
4
PW_-40V
5
6
7
8
PW_+40V
DGND
VS1
VS2
R4581
68
C4566
0.47
DC_DET_AMP
P1
TO MAIN (AMP BTL)
CIRCUIT (2/2)
(AMP BTL) CIRCUIT
13
14
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