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SCHEMATIC DIAGRAM-7
D
DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
L
K
R101
10
R103
13K
R105
13K
R107
10
Q
M
N
R102
10
R104
13K
R106
13K
R108
10
R
O
P
RJ001
0
RJ004
RJ002
0
RJ003
13
14
:AUDIO SIGNAL LINE
IC001
C0ZBZ0000647
TRUE DIGITAL AMP
D1021
R1021
MAZ80510LL
1
1.6V
26.7V
PWM AP
PV
A2
1
DD
32
C007
0.1
1.6V
14.9V
PWM AM
LDROUTA
2
31
74V
C009
0.033
3
BOOTSTRAPA
30
ERR1
3.1V
26.7V
4
PV
A1
29
ERR0
DD
R003
C011
3.1V
26.7V
1.5
0.1
5
SHUTDOWN
PV
DD
A1
28
3.1V
64.5V
6
DV
DD
OUTPUTA
27
L101
64.5V
0V
10
H
DVss
OUTPUTA
7
26
0V
DVss
PVss
8
25
0V
DVss
PVss
9
24
67.7V
10
VRFILT
OUTPUTB
23
L103
1.2V
67.7V
10
H
11
BIAS A
OUTPUTB
22
1.2V
26.7V
12
PV
DD
B1
21
BIAS B
R005
C019
3.2V
26.7V
1.5
0.1
13
PWDN
PV
DD
B1
20
C021
0.033
3.2V
79.4V
14
RESET
BOOTSTRAPB
19
1.6V
15V
C023
0.1
PWM BM
LDROUTB
15
18
D1020
MAZ80510LL
1.6V
26.7V
PWM BP
PV
B2
16
DD
17
IC002
C0ZBZ0000647
TRUE DIGITAL AMP
D1023
R1023
MAZ80510LL
1.6V
26.7V
1
1
PWM AP
PV
DD
A2
32
C008
0.1
1.6V
14.9V
2
PWM AM
LDROUTA
31
74V
C010
0.033
BOOTSTRAPA
3
ERR1
30
3.1V
26.7V
PV
A1
4
ERR0
DD
29
R004
C012
1.5
0.1
3.1V
26.7V
SHUTDOWN
PV
A1
5
DD
28
3.1V
64.5V
6
DV
OUTPUTA
27
DD
L102
64.5V
10
H
0V
7
DVss
OUTPUTA
26
0V
8
DVss
PVss
25
0V
9
DVss
PVss
24
67.7V
VRFILT
OUTPUTB
10
23
L104
10
H
1.2V
67.7V
BIAS A
OUTPUTB
11
22
1.2V
26.7V
PV
B1
12
BIAS B
DD
21
R006
C020
1.5
0.1
3.2V
26.7V
13
PWDN
PV
B1
20
DD
C022
3.2V
79.4V
0.033
14
RESET
BOOTSTRAPB
19
1.6V
15V
C024
0.1
15
PWM BM
LDROUTB
18
D1022
MAZ80510LL
1.6V
26.7V
16
PWM BP
PV
DD
B2
17
27.7V
0
0
15
16
17
3.2V
A
C128
0.1
B
C
D
18
19
20
48
47
46
45
44
43
42
41
40
39
38
37
1.6V
3.2V
1
MCLK IN
DV
3L
36
DD
3V
1.6V
2
AV
DD
2
PWM P L
35
1.8V
1.6V
3
PLL FLT OUT
PWM M L
34
0V
PLL FLT RET
4
NC
33
0V
IC012
AVss2
5
NC
32
C0ZBZ0000650
3.2V
NC
6
DV
DD
2
31
2.9V
DIGITAL AUDIO
/ RESET
7
DVss2
30
PWM PROCESSOR
3.2V
1.6V
/ PDN
PWM P R
8
29
3.2V
1.6V
VALID R
PWM N R
9
28
3.2V
10
M S
NC
27
11
NC
NC
26
3.2V
12
DV
1
DV
3 R
25
SS
DD
13
14
15
16
17
18
19
20
21
22
23
24
R152
47
D
R151
47
C
R150
47
B
I
A
3.2V
1.2V
5
4
Vcc
Y
IC015
C0JBAZ001870
BUFFER
A
GND
OE
1
2
3
1.2V
21
22
23
A
B
C
D
E
F
G
H
I
SA-DT300(E,EB,EG) DIGITAL AMP CIRCUIT DIAGRAM
24
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