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