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6.3.
Main (Fan LED) Circuit
1
2
3
SCHEMATIC DIAGRAM - 2
A
A
MAIN (FAN LED) CIRCUIT
PW_SW3R3V
IO
B
AU
I2C_SCL
AU
I2C_SDA
LB1509
R1502
J0JBC0000010
0
PW_SW5R4V
IO
C1507
25V1000
DGND
IO
Z7
Z6
Z5
C
ZC8003*
WIRE CLAMPER
AS
AB
DA
GND_PW
IO
AGND
D
DI
PW_SW15R0V
R8504
0
IO
FAN_OUT
E
IC8501
C0ABBB000342
FAN CONTROL
R8508
0
DI
MGND
F
G
IO: MAIN (I/O EXPANSION): SCHEMATIC DIAGRAM - 1
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 3
AB: MAIN (AMP BTL): SCHEMATIC DIAGRAM - 4 ~ 5
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 6 ~ 7
AS: MAIN (AMP SINGLE): SCHEMATIC DIAGRAM - 8 ~ 9
KA: MAIN (KARAOKE): SCHEMATIC DIAGRAM - 11
DI: MAIN (DIGITAL-POWER): SCHEMATIC DIAGRAM - 12 ~ 13
AU: MAIN (AUX TUNER): SCHEMATIC DIAGRAM - 15
H
NOTE: " * " REF IS FOR INDICATION ONLY
1
2
3
4
5
6
: +B SIGNAL LINE
IC1501
AN32183A-VF
LED DRIVER
LB1508
J0JBC0000010
1
VDD
IREF
24
2
SCL
AGND
23
3
SDA
NRST
22
R1503
39K
4
SLAVSEL
NC
21
C1505
C1506
Z10
5
Z10
CLKIO
20
C1504
47P
47P
Z9
0.1
6
Z9
Z1
19
7
VCC2
Z2
18
Z8
C1503
C1501
8
Z8
VCC1
17
0.01
0.1
9
PGND2
Z3
16
LB1507
J0JYC0000070
10
Z7
PGND1
15
LB1506
J0JYC0000070
11
Z6
Z4
14
LB1505
J0JYC0000070
12
Z5
LDO
13
C1522
C1523
C1524
470P
470P
470P
R1506
R1507
0
0
Q8504
R8509
B1AAJC000019
270K
FAN DRIVE
R8503
680
R8501
C8502
47K
Q8501
10
B1ABCF000231
FAN LOCK
4
3
2
1
R8502
12K
C8513
R8510
82K
10V100
Q8505
B1BACG000023
5
6
7
8
FAN DRIVE
C8503
C8501
R8505
10
0.1
47K
R8523
270K
Q8508
B1ABCF000231
R8507
FAN DRIVE
680
R8506
R8519
C8516
12K
82K
10V100
R8531
270K
Q8511
B1ABCF000231
FAN DRIVE
R8527
C8518
82K
10V100
4
5
6
7
8
9
Z1
R1501
Z2
27K
Z3
C1525
0.1
Z4
R1504
33
ILUMI_NRST
IO
KIRARI_IN
DS
Z1
LB1501
J0JYC0000070
LB1502
J0JYC0000070
Z2
Z3
LB1503
J0JYC0000070
Z4
LB1504
J0JYC0000070
Z5
Z6
C1508
C1509
C1520
C1521
C1502
Z7
470P
470P
470P
470P
0.1
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
Z9
R8511
Z10
6.8K
R8515
470K
C8505
Q8503
1
B1ABCF000231
DC DETECT
D8501
R8514
C8514
C8506
DA2J10100L
100
10V220
0.01
Q8502
R8512
C8504
R8513
220
1
100K
B1ABCF000231
SWITCH
R8516
27
R8522
6.8K
R8533
Q8506
0
R8524
B1ABCF000231
C8509
470K
DC DETECT
1
D8502
R8520
C8515
C8507
DA2J10100L
100
10V220
0.01
R8518
C8508
R8521
Q8507
100K
220
1
B1ABCF000231
R8517
27
FAN LOCK
R8530
C8512
6.8K
R8534
1
Q8509
0
B1ABCF000231
R8532
470K
DC DETECT
D8503
R8528
C8517
C8510
DA2J10100L
100
10V220
0.01
Q8510
R8529
R8526
C8511
220
1
100K
B1ABCF000231
R8525
FAN LOCK
27
7
8
9
24
10
11
12
P1501
1
Z1
TO SB-MAY370 (LEFT)/
2
Z2
SB-MAX770 (LEFT)
3
Z3
4
Z4
P1503
1
Z1
2
Z2
FOR SA-MAX370GS
TO SB-MAW370 (LEFT)
3
Z3
4
Z4
P1502
1
Z4
TO SB-MAW370 (RIGHT)/
2
Z5
3
Z6
SB-MAX770 (RIGHT)
4
Z7
P1504
1
Z4
2
Z5
FOR SA-MAX370GS
TO SB-MAY370 (RIGHT)
3
Z6
Z7
4
Z1
IO
Z2
IO
Z3
IO
Z4
IO
Z5
IO
Z6
IO
Z7
IO
Z8
IO
Z9
IO
Z10
IO
SMPS_FAN_P
DI
DC_DET_AMP
MI
AB
AS
SMPS_FAN_N
DI
P8502
TO FAN
2
POSITIVE
1
NEGATIVE
(FRONT RIGHT)
P8503
2
POSITIVE
TO FAN
(REAR MIDDLE)
1
NEGATIVE
SA-MAX370GS,SA-MAX770GS MAIN (FAN LED)
10
11
12
13
14
A
B
C
D
E
F
G
CIRCUIT
H
13
14
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