27
6.6.
Main (Amp BTL) Circuit (2/2)
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
MAIN (AMP BTL) CIRCUIT
SCHEMATIC DIAGRAM - 5
SA-MAX370GS,SA-MAX770GS MAIN (
AMP BTL) CIRCUIT
2/2
1/2
TO MAIN (AMP BTL)
CIRCUIT (1/2)
1
3
2
4
5
6
8
P1
7
L
TO
SMPS CIRCUIT
(CN1853)
IN SCHEMATIC
DIAGRAM - 20
: +B SIGNAL LINE
: -B SIGNAL LINE
NOTE: “ * ” REF IS FOR INDICATION ONLY
FA: MAIN (FAN LED): SCHEMATIC DIAGRAM - 2
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 6 ~ 7
AS: MAIN (AMP SINGLE): SCHEMATIC DIAGRAM - 8 ~ 9
DI: MAIN (DIGITAL-POWER): SCHEMATIC DIAGRAM - 12 ~ 13
: AUDIO OUTPUT SIGNAL LINE
FOR SA-MAX770GS
FOR SA-MAX770GS
FOR SA-MAX370GS
FOR SA-MAX770GS
FOR SA-MAX770GS
FOR SA-MAX370GS
FOR SA-MAX370GS
FOR SA-MAX370GS
A
GND_PW
0.1
C4561
PW_+40V
0.1
C4560
3
2
4
1
G0C100M00009
L4506
6
8
9
7
2
1
4
5
3
10
P4501
PW_-40V
DI
DI
FA
AMP_GND
0
R4596
0
R4597
R4599
0
0
R4598
0
R4583
R4600
0
1000P
C4571
0
R4594
R4601
0
R4595
0
PWR_GND
-B (-40V)
-B (-40V)
-B (-40V)
PWR_GND
PWR_GND
+B (40V)
+B (40V)
+B (40V)
PWR_GND
1
C4533
C4532
1
C4531
1
1000P
C4570
0
C4599
4
6
5
2
1
3
Q4501
B1CBRK000001
C4530
1
4
6
5
2
1
3
Q4502
B1CBRK000001
B0HCMM000019
D4510
D4511
B0HCMM000019
PW_-40V
1
C4556
50V3300
C4568
PW_+40V
1
C4555
50V3300
C4567
0.47
C4585
2.7K
R4560
2.7K
R4559
R4558
10
C4535
0.1
C4541
1
C4540
1
C4539
1
4
6
5
2
1
3
Q4504
B1CBRK000001
AMPLIFIER
AMPLIFIER
AMPLIFIER
D4512
B0HCMM000019
D4513
B0HCMM000019
2
4
3
1
G0C100Z00007
L4501
DGND
DC_DET_AMP
C4546
1
C4547
1
C4545
1
D4514
B0HCMM000019
D4515
B0HCMM000019
0.47
C4587
R4566
10
2.7K
R4564
2.7K
R4565
C4552
1
C4554
1
D4517
B0HCMM000019
2
4
3
1
G0C100Z00007
L4502
Q4510
B1ABCF000176
R4572
10K
R4576
120K
R4569
10
C4548
0.1
0.47
C4588
2.7K
R4567
D4516
B0HCMM000019
Q4509
B1ABCF000176
DC DETECT
DC DETECT
R4574
120K
R4575
120K
R4573
120K
C4549
6.3V47
C4553
1
1
C4550
C4542
0.1
1
C4543
4
6
5
2
1
3
Q4506
B1CBRK000001
4
6
5
2
1
3
Q4505
B1CBRK000001
4
6
5
2
1
3
Q4507
B1CBRK000001
4
6
5
2
1
3
Q4508
B1CBRK000001
AMPLIFIER
AMPLIFIER
AMPLIFIER
AMPLIFIER
1
C4537
2.7K
R4562
2.7K
R4561
C4536
0.1
R4563
10
0.47
C4586
4
6
5
2
1
3
Q4503
B1CBRK000001
AMPLIFIER
VS2
VS1
VS4
VS3
2.7K
R4568
+SW LEFT (6
ȍ
)
-SW RIGHT (6
ȍ
)
-SW LEFT (6
ȍ
)
+SW RIGHT (6
ȍ
)
AS
AS
AS
AS
+LEFT LOW
-RIGHT LOW
-LEFT LOW
+RIGHT LOW
AS
AS
AS
AS
Содержание SA-MAX370GS
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