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6.4.
Main (DSP) Circuit
1
2
3
SCHEMATIC DIAGRAM - 3
A
A
MAIN (DSP) CIRCUIT
IO
PW_SW3R3V
B
C
LB4001
J0JBC0000010
RX4001
D1H82214A042
C4009
1000P
1
2
C4010
1000P
3
4
IO
DSP_RESET
5
6
DSP_MUTE
7
8
IO
R4016
220
MI
I2C_SDA
R4017
220
MI
I2C_SCL
R4019
100
DSP_SDO0_A
KA
D
R4020
100
KA
DSP_WCK_A
R4021
100
KA
DSP_BCK_A
E
DGND
IO
L4002
G1C100KA0101
IO
PW_SW5R4V
F
L4003
G1C100KA0101
G
C4027
0.1
IO: MAIN (I/O EXPANSION): SCHEMATIC DIAGRAM - 1
FA: MAIN (FAN LED): SCHEMATIC DIAGRAM - 2
AB: MAIN (AMP BTL): SCHEMATIC DIAGRAM - 4 ~ 5
H
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
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
C4005
C4004
15P
X4001
15P
H0J245500110
2
1
3
4
R4001
1.5K
R4002
1M
LB4002
J0JBC0000010
T1
48 47
46
45
44
43
42
41
40
39 38
37
1
36
2
35
THERMAL
R4013
100
3
34
PWM4A
PAD
R4012
100
4
SDA
PWM4B
33
[1] DVSS1
[36] DVSS_PWM2
[2] RST_N
[35] DVDD_PWM1
5
SCL
PWM3A
32
[3] SMUTE
[33] PWM4A
IC4005
6
SDIN3
PWM3B
31
R4010
100
VUEALLPT090
7
SDIN2
PWM2A
30
R4009
100
DSP
8
29
SDIN1
PWM2B
R4008
100
[11] DVDD1
[26] DVDD_PWM1
9
LRCK
[25] DVSS_PWM1 PWM1A
28
[12] DVSSCORE
R4007
100
10
BCK
27
PWM1B
11
26
12
25
R4011
100
13 14
15
16
17
18
19
20
21
22 23
24
C4001
1
C4069
16V47
R4029
0
R4081
0
R4078
0
C4076
10
R4079
0
L4001
G1C100KA0101
8
7
6
5
R4022
1.8K
C4017
1
2
3
4
2200P
C4029
C4028
22
22
IC4003
C0DBCZC00003
VOLTAGE CONVERTER
4
5
6
7
8
9
: TUNER/AUX/MIC AUDIO INPUT SIGNAL LINE
R4034
15K
R4031
C4033
10K
1
R4030
5.6K
C4032
680P
R4033
C4035
R4032
C4036
270P
10K
1
5.6K
IC4001
C0ABBB000230
BUFFER AMP
R4035
C4038
8
7
15K
270P
VCC
R4042
C4043
15K
270P
1
2
R4041
C4042
10K
1
R4040
5.6K
C4041
680P
R4043
C4044
R4044
10K
1
5.6K
C4039
R4039
15K
270P
R4050
5.6K
R4049
C4046
10K
1
R4048
15K
C4047
680P
R4053
C4053
R4055
C4050
5.6K
270P
10K
1
IC4002
C0ABBB000230
BUFFER AMP
R4054
C4054
15K
270P
8
7
VCC
R4062
C4059
15K
270P
1
2
R4063
R4061
C4060
10K
1
5.6K
C4061
R4066
680P
15K
R4064
C4063
R4065
C4065
5.6K
270P
10K
1
R4023
R4024
6.8K
680
C4018
R4025
560P
47K
7
8
9
25
10
11
12
: AUDIO OUTPUT SIGNAL LINE
C4055
0.068...MAX370GS
R4037
0.047...MAX770GS
1.5K
R4038
R4057
820
C4080
5.6K
B1ABDF000026
2.2
R4058
FOR SA-MAX770GS
1.5K
R4075
6
5
C4056
C4030
R4036
820
0.068...MAX770GS
B1ABDF000026
0.1
100K
0.033...MAX370GS
VEE
C4031
R4071
FOR SA-MAX370GS
0.1
1.5K
3
4
C4057
0.068...MAX370GS
R4045
0.047...MAX770GS
1.5K
R4046
C4081
R4060
820
2.2
5.6K
B1ABDF000026
R4076
C4058
FOR
R4059
R4047
820
0.033...MAX370GS
B1ABDF000026
1.5K
SA-MAX370GS
100K
0.068...MAX770GS
R4072
FOR
1.5K
SA-MAX370GS
C4074
16V47
R4051
3.3K
R4052
820
B1ABDF000026
R4056
C4082
6
5
10K...MAX370GS
C4048
0.033
100K...MAX770GS
0.1
VEE
C4051
0.1
QR4002
3
4
B1GDCFJJ0047
SWITCH
R4068
C4075
R4069
10K...MAX370GS
16V47
3.3K
100K...MAX770GS
R4067
820
C4083
B1ABDF000026
0.033
QR4001
B1GBCFJJ0040
R4080
MUTING CONTROL
2.2K
R4070
C4072
10K
1
C4077
10
SA-MAX370GS,SA-MAX770GS MAIN (DSP)
10
11
12
13
14
A
SW LEFT (3 )
AS
FOR SA-MAX370GS
LEFT MID LOW
FOR SA-MAX770GS
AS
Q4001
MUTING
B
Q4005
MUTING
FRONT LEFT (3 )
FOR SA-MAX370GS
AS
LEFT HIGH
AS
FOR SA-MAX770GS
C
SW RIGHT (3 )
AS
FOR SA-MAX370GS
RIGHT MID LOW
AS
FOR SA-MAX770GS
Q4002
MUTING
Q4006
MUTING
FRONT RIGHT (3 )
FOR SA-MAX370GS
AS
D
RIGHT HIGH
AS
FOR SA-MAX770GS
SW+
AB
Q4003
MUTE
E
AMP_+5V
AB
AS
SW-
AB
Q4004
F
MUTE
DRV_AMP_MUTE
IO
AMP_GND
DI AS AB
G
AMP_-5V
AS
AB
KIRARI_IN
FA
CIRCUIT
H
13
14
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