13
14
15
16
17
18
19
20
21
22
23
24
SCHEMATIC DIAGRAM-7
D
DIGITAL AMP CIRCUIT
SA-DT300(E,EB,EG) DIGITAL AMP CIRCUIT DIAGRAM
IC012
C0ZBZ0000650
DIGITAL AUDIO
PWM PROCESSOR
IC015
C0JBAZ001870
BUFFER
C131
0.1
39
33
32
31
28
23
22
20
19
18
17
15
14
DVss3
R
ALID
L
MOD0
MOD1
MOD2
SDIN
LRCLK
SCLK
MCLK
OUT
DVss1
DV
DD
1
DVss1
DV
SS
1
NC
M S
VALID R
/ PDN
/ RESET
NC
AVss2
PLL FLT RET
PLL FLT OUT
AV
DD
2
MCLK IN
AV
DD
1
XTL
IN
XTL
OUT
OSC
CAP
A
Vss1
DEM
EN
DEM
SEL
FTEST
STEST
DBSPD
/
MUTE
DVss3
L
DV
DD
3L
PWM P L
PWM M L
NC
NC
DV
DD
2
DVss2
PWM P R
PWM N R
NC
NC
DV
DD
3 R
46
47
48
40
41
42
43
13
8
7
12
10
9
3
2
1
6
5
4
44
34
30
27
26
25
21
16
11
45
37
38
36
35
29
24
D
R152
47
A
C
R151
47
B
R150
47
C125
0.1
R130
22
C128
0.1
R134
4.7
C183
47P
C182
680P
R158
2.4K
C197
330P
C122
0.1
IC001
C0ZBZ0000647
TRUE DIGITAL AMP
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
12
13
PWM AP
PWM AM
ERR1
ERR0
DV
DD
DVss
DVss
DVss
VRFILT
BIAS A
BIAS B
PV
DD
B1
OUTPUTB
OUTPUTB
PVss
PVss
OUTPUTA
OUTPUTA
PV
DD
A1
PV
DD
A1
BOOTSTRAPA
LDROUTA
PV
DD
A2
25
26
27
28
29
30
31
32
SHUTDOWN
PWDN
RESET
PWM BM
PWM BP
PV
DD
B1
BOOTSTRAPB
LDROUTB
PV
DD
B2
IC002
C0ZBZ0000647
TRUE DIGITAL AMP
C101
0.1
R103
13K
R105
13K
C103
100P
R101
10
R102
10
R107
10
C1021
0.1
R1021
1
C007
0.1
C009
0.033
L101
10
H
R003
1.5
C011
0.1
C021
0.033
C023
0.1
C1020
0.1
R1020
1
L103
10
H
C013
0.47
C015
0.1
C017
0.1
R005
1.5
C019
0.1
C102
0.1
R104
13K
R106
13K
C104
100P
R108
10
C1023
0.1
R1023
1
C008
0.1
C010
0.033
L102
10
H
R004
1.5
C012
0.1
C022
0.033
C024
0.1
C1022
0.1
R1022
1
L104
10
H
C014
0.47
C016
0.1
C018
0.1
R006
1.5
C020
0.1
C003
0.033
R001
1
C005
35V1000
C001
0.01
C004
0.033
R002
1
C006
35V1000
C002
0.01
R031
1K
C059
0.33
R036
2.2K
D001
1SS355TE17
R032
1K
C030
0.33
R034
2.2K
D002
1SS355TE17
L
Q
M
N
R
O
P
A
B
C
D
I
K
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
12
13
PWM AP
PWM AM
ERR1
ERR0
DV
DD
DVss
DVss
DVss
VRFILT
BIAS A
BIAS B
PV
DD
B1
OUTPUTB
OUTPUTB
PVss
PVss
OUTPUTA
OUTPUTA
PV
DD
A1
PV
DD
A1
BOOTSTRAPA
LDROUTA
PV
DD
A2
25
26
27
28
29
30
31
32
SHUTDOWN
PWDN
RESET
PWM BM
PWM BP
PV
DD
B1
BOOTSTRAPB
LDROUTB
PV
DD
B2
2
1
3
4
5
OE
GND
Vcc
A
Y
D1022
MAZ80510LL
D1023
MAZ80510LL
C1041
0.1
D1020
MAZ80510LL
D1021
MAZ80510LL
C1040
0.1
RJ001
0
RJ002
0
RJ004
0
RJ003
0
1.6V
3V
1.8V
0V
0V
2.9V
3.2V
3.2V
3.2V
3.2V
1.7V
1.5V
1.6V
1.2V
3.2V
3.2V
3.2V
3.2V
1.6V
1.6V
3.2V
1.6V
1.6V
3.2V
3.1V
0V
0V
3V
3.2V
1.2V
1.2V
3.2V
27.7V
1.6V
1.6V
3.1V
3.1V
3.1V
0V
0V
0V
1.2V
1.2V
3.2V
3.2V
1.6V
1.6V
26.7V
15V
79.4V
26.7V
26.7V
67.7V
67.7V
64.5V
64.5V
26.7V
26.7V
74V
14.9V
26.7V
1.6V
1.6V
3.1V
3.1V
3.1V
0V
0V
0V
1.2V
1.2V
3.2V
3.2V
1.6V
1.6V
26.7V
15V
79.4V
26.7V
26.7V
67.7V
67.7V
64.5V
64.5V
26.7V
26.7V
74V
14.9V
26.7V
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
Содержание SA-DT300E
Страница 7: ......
Страница 13: ...Page 4 of 4 1 4 2018 file royalfs Service Technical Ms dehghani viewing SGML_VIEW_DATA ALL SA DT ...
Страница 74: ......
Страница 75: ......
Страница 76: ......