BDS 270 - Harman Kardon Audio Service Manual (repair manual). Page 83

Read Harman Kardon BDS 270 Service Manual online

A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
LAYOUT NOTE
PLACE ON
COMPONENT SIDE
BOOTSTRAP CAPACITORS
PVDD
+12V
+12V
+12V
+3.3V
OTW
PM_A4SR
PM_B4SR
VALID
PM_B3SL
PM_A3SL
FAN_CT#
FAN_CT#
SR+
SR-
SL+
SL-
L14
FB80@100MHz
L14
FB80@100MHz
TP26
TP26
C761
1000pF/50V/X7R
C761
1000pF/50V/X7R
C777
0.47uF/63V
C777
0.47uF/63V
+
CE747
1000uF/50V
+
CE747
1000uF/50V
C754
0.1uF/50V/Y5V
C754
0.1uF/50V/Y5V
C740
0.1uF/50V/X7R
C740
0.1uF/50V/X7R
R813
0
R813
0
C780
0.012uF/50V/Y5V
C780
0.012uF/50V/Y5V
C734
0.1uF/50V/Y5V
C734
0.1uF/50V/Y5V
+
NC
CE729
+
NC
CE729
U709
AMP_44P_TAS5342
U709
AMP_44P_TAS5342
GVDD_B
1
OTW
2
SD
5
PWM_A
6
RESET_AB
7
PWM_B
8
OC_ADJ
9
GND
10
AGND
11
VREG
12
M3
13
M2
14
M1
15
PWM_C
16
RESET_CD
17
PWM_D
18
GVDD_C
22
GVDD_D
23
BST_D
24
PVDD_D
27
OUT_D
28
GND_D
29
GND_C
30
OUT_C
31
PVDD_C
32
BST_C
33
BST_B
34
PVDD_B
35
OUT_B
36
GND_B
37
GND_A
38
VDD
21
GVDD_A
44
BST_A
43
PVDD_A
40
OUT_A
39
NC
3
NC
4
NC
19
NC
20
NC
25
PVDD_D
26
PVDD_A
41
NC
42
+
CE748
1000uF/50V
+
CE748
1000uF/50V
TP29
TP29
R826
0
R826
0
C762
1000pF/50V/X7R
C762
1000pF/50V/X7R
C737
0.1uF/50V/X7R
C737
0.1uF/50V/X7R
+
NC
CE731
+
NC
CE731
R751
10
R751
10
R749
NC
R749
NC
R827
0
R827
0
R750
NC
R750
NC
C751
1000pF/50V/X7R
C751
1000pF/50V/X7R
C771
0.1uF/50V/Y5V
C771
0.1uF/50V/Y5V
R768
NC
R768
NC
R753
10
R753
10
R756
0
R756
0
R785
3.3
R785
3.3
C736
0.1uF/50V/Y5V
C736
0.1uF/50V/Y5V
R791
10
R791
10
L701
10uH/5A
L701
10uH/5A
L15
FB80@100MHz
L15
FB80@100MHz
C773
0.012uF/50V/Y5V
C773
0.012uF/50V/Y5V
C774
0.012uF/50V/Y5V
C774
0.012uF/50V/Y5V
TP28
TP28
C796
0.033uF/50V/X7R
C796
0.033uF/50V/X7R
+
NC
CE730
+
NC
CE730
C772
0.1uF/50V/Y5V
C772
0.1uF/50V/Y5V
C1003
0.1uF/50V/Y5V
C1003
0.1uF/50V/Y5V
C798
0.033uF/50V/X7R
C798
0.033uF/50V/X7R
R769
NC
R769
NC
L707
10uH/5A
L707
10uH/5A
R752
10
R752
10
+
NC
CE732
+
NC
CE732
C752
1000pF/50V/X7R
C752
1000pF/50V/X7R
C733
0.1uF/50V/Y5V
C733
0.1uF/50V/Y5V
C732
0.1uF/50V/Y5V
C732
0.1uF/50V/Y5V
R784
0
R784
0
R710
10K
R710
10K
R754
10
R754
10
C792
0.01uF/50V/Y5V
C792
0.01uF/50V/Y5V
L708
10uH/5A
L708
10uH/5A
C797
0.033uF/50V/X7R
C797
0.033uF/50V/X7R
R744
22K
R744
22K
R755
10
R755
10
C735
0.1uF/50V/Y5V
C735
0.1uF/50V/Y5V
TP27
TP27
R792
0
R792
0
D704
NC
D704
NC
C731
0.1uF/50V/Y5V
C731
0.1uF/50V/Y5V
C750
0.47uF/63V
C750
0.47uF/63V
C703
0.033uF/50V/X7R
C703
0.033uF/50V/X7R
C738
0.1uF/50V/X7R
C738
0.1uF/50V/X7R
D705
NC
D705
NC
C739
0.1uF/50V/X7R
C739
0.1uF/50V/X7R
D706
NC
D706
NC
R764
10
R764
10
C753
0.1uF/50V/Y5V
C753
0.1uF/50V/Y5V
L702
10uH/5A
L702
10uH/5A
C778
0.012uF/50V/Y5V
C778
0.012uF/50V/Y5V
D707
NC
D707
NC
R795
10
R795
10
Amplifier Board Circuit Diagram:R+SR OUT
7-18
7-18
harman/kardon
BDS 270 + 570 Service Manual
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