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8
3.2.
D-Amp Circuit (For SA-BT735EB/EE/EG/EP-K)
With reference to original service manual (section 17.3) on page 119~121.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
C
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 28
SA-BT735EB/EE/EG/EP D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
SECTION (1/4)
SECTION (1/4)
TO D-AMP
SECTION (4/4)
SECTION (4/4)
P1
AA
AC
AD
AE
AF
AG
AH
AI
AJ
AK
AL
P1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
C5135
1
1
C5142
D5621
B0HCSP000001
D5618
B0HCSP000001
D5620
B0HCSP000001
D5619
B0HCSP000001
C5110
2.2
C5116
2.2
C5114
2.2
C5108
2.2
2
4
3
1
L5101
G0C100M00006
R5453
33K
63V330
C5117
0.1
C5100
10
R5100
0.1
C5119
C5118
10
C5102
22K
R5102
R5101
100
R5103
100
0.1
C5104
0.1
C5105
0.1
C5101
C5103
0.1
10
R5105
10
R5109
10
R5106
IC5100
C1AB00003260
DIGITAL AMPLIFIER
FL+
FR+
FR-
FL-
2
4
3
1
L5105
G0B9R5K00005
2
4
3
1
L5106
G0B9R5K00005
B1ABCF000011
Q5409
Q5408
B1ABCF000011
DC DETECT
DC DETECT
R5431
22K
C5427
10
Q5414
B1ABCF000011
DC DETECT
C5439
1
B0ACCK000005
D5512
B0ACCK000005
D5510
R5125
5.6K
R5452
100K
R5136
100K
R5451
100K
R5121
5.6K
100K
R5130
R5132
5.6K
R5135
5.6K
C5157
1000P
1000P
C5154
1000P
1000P
C5156
1000P
1000P
C5155
1000P
SPK_GND
GND
/SD
VALID2
PWM_FR+
PWM_FL+
10K
R5445
OUT_A
GND_B
OUT_B
GND_A
BST_A
BST_D
GND_C
BST_C
BST_B
OUT_C
OUT_D
GND_D
PVDD_D
PVDD_C
GVDD_D
GVDD_A
PVDD_B
PVDD_A
/SD
M3
GND
VREG
AGND
/OTW
INPUT_A
/RESET_AB
OC_ADJ
INPUT_B
GVDD_B
M1
VDD
M2
INPUT_D
INPUT_C
/RESET_CD
GVDD_C
VCC
C5136
35V330
C5137
35V470
C5143
35V330
C5144
35V470
10
5
7
17
15
13
11
12
14
16
18
19
3
4
6
8
9
2
1
31
30
29
34
33
35
32
20
23
22
27
28
25
24
26
21
36
R5454
47K
0.033
C5112
0.033
C5111
0.033
C5106
0.033
K5105
0
K5106
0
SL-
SL+
SR+
SR-
2
4
3
1
2
4
3
1
L5103
G0B9R5K00005
L5104
G0B9R5K00005
C5153
1000P
1000P
C5151
1000P
1000P
C5150
1000P
1000P
C5152
1000P
1000P
R5113
R5133
R5117
D5514
D5513
R5134
5.6K
5.6K
B0ACCK000005
B0ACCK000005
5.6K
5.6K
R5126
R5128
100K
100K
D5622
D5623
B0HCSP000001
B0HCSP000001
C5127
C5121
35V330
C5133
35V470
1
R5449
R5450
100K
100K
D5624
B0HCSP000001
C5120
C5134
35V330
C5128
35V470
1
D5625
B0HCSP000001
2
4
3
1
L5100
G0C100M00006
PWM_SR
PWM_SL
K5102
0
K5103
0
(C5107,C5109,C5113,C5115)
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