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6.5.
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
: AUDIO OUTPUT SIGNAL LINE
C4502
2.2
C4517
1000P
R4511
150
C4513
100P
R4510
8.2K
C4515
2200P
C4516
2200P
C4514
10
R4509
3.3K
C4521
1000P
R4512
150
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
3
VTEMP
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
D4508
B0ACGM000001
R4549
4.7
R4516
R4519
5.6K
4.7K
R4547
D4507
10K
B0ACGM000001
R4548
47K
R4550
R4552
C4528
C4584
22
22
3.9K
10K
R4551
47K
R4546
22
R4515
2.2K
R4545
22
R4544
47K
C4527
R4542
R4543
D4505
22
3.9K
10K
B0ACGM000001
36 35
34
33
32
31
30
29
28
27
26
25
C4583
R4541
4.7
22
R4540
47K
37
COMP3
VB3
24
IN3
CSH3
23
38
R4539
10K
R4537
22
39
COMP4
LO3
22
[36]VREF
[26]VS3
R4538
22
40
IN4
LO4
21
[35]OCSET
[25]HO3
[34]DT
COM2
20
41
GND
42
VSS
NC
19
C4524
IC4501
1
43
VAA
NC
18
R4520
4.7
C0ZBZ0001673
44
IN2
VCC2
17
R4527
22
AUDIO AMPIFIER DRIVER
45
COMP2
LO2
16
R4529
22
46
IN1
LO1
15
THERMAL
R4523
10K
PAD
47
COMP1
CSH1
14
R4526
47K
48
CSD
VB1
13
R4521
4.7
T1
D4501
C4525
C4581
R4522
R4524
1
2
3
4
5
6 7
8
9
10
11 12
B0ACGM000001
22
22
3.9K
10K
R4525
47K
R4528
22
R4534
22
R4533
47K
R4536
R4535
D4504
3.9K
10K
B0ACGM000001
R4532
4.7
R4531
47K
R4530
D4503
10K
B0ACGM000001
7
8
9
26
10
11
12
D4506
B0ACGM000001
D4502
B0ACGM000001
D4518
B0ACCK000005
D4521
DZ2J150M0L
R4581
L4505
G1C100KA0101
68
Q4511
B1BACG000048
C4566
0.47
SWITCH
R4579
R4582
C4564
0.01
8.2K
10K
R4580
100
C4569
C4565
D4520
16V22
0.47
DZ2J110M0L
1/2
2/2
SA-MAX370GS,SA-MAX770GS 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
DC_DET_AMP
P1
TO MAIN (AMP BTL)
CIRCUIT (2/2)
(AMP BTL) CIRCUIT
13
14
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