Read Harman Kardon BDS 270 Service Manual online
A
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D
E
E
1
1
2
2
3
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4
4
TO POWER BOARD
Imax 2A
+/-12V: +/-12V(+-5%)
+5V: +5V(+-2.5%)
+5V: +5V(+-2.5%)
GND
AGND
IPOD GND
FAN GND
AUX IN GND
HEADPHONE&SUB LIN OUT
TAS5518 PLL GND
200MA
1.1A
GND
+12VIN
GND
+12VIN
GND
5V_STB
-12VIN
-12VIN
VCC_FAN
+12V
5V
5V_STB
+3.3V_STB
+12VIN
I+12V
AK12V
S
P
P
P
P
P
P
TGND
A
-12VIN
5V
+3.3V_FB
SD+3.3V
CS3.3V
CSD+3.3V
5V
+3.3V
FAN
FAN_2
C55
0.1uF/50V/Y5V
C55
0.1uF/50V/Y5V
R8
47K
47K
R8
47K
47K
C49
0.1uF/50V/Y5V
C49
0.1uF/50V/Y5V
FB210 200/600mA
FB210 200/600mA
+
47uF/16V
CE65 +
47uF/16V
CE65
+
470uF/16V
CE39
+
470uF/16V
CE39
R860
10K
10K
R860
10K
10K
Q3
PNP_3CA8550C
Q3
PNP_3CA8550C
+
47uF/16V
CE62
+
47uF/16V
CE62
L8
FB80@100MHz
L8
FB80@100MHz
L17
3.3uH/3A
L17
3.3uH/3A
FB5
70/1A
FB5
70/1A
Q5
PNP_3CA8550C
Q5
PNP_3CA8550C
FB201
200/600mA
FB201
200/600mA
C56
0.1uF/50V/Y5V
C56
0.1uF/50V/Y5V
C72
0.1uF/25V/Y5V
C72
0.1uF/25V/Y5V
C248
0.1uF/50V/Y5V
C248
0.1uF/50V/Y5V
R861
10K
R861
10K
+
470uF/16V
CE34
+
470uF/16V
CE34
R728
4.7
R728
4.7
XP13
8PIN/2.5mm
XP13
8PIN/2.5mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
+
47uF/16V
CE63
+
47uF/16V
CE63
R75
150
150
R75
150
150
FB202
200/600mA
FB202
200/600mA
C50
0.1uF/50V/Y5V
C50
0.1uF/50V/Y5V
R1011
NC/0
R1011
NC/0
Q8
NPN_MMBT8050C
NPN_MMBT8050C
Q8
NPN_MMBT8050C
NPN_MMBT8050C
+
47uF/16V
CE35
+
47uF/16V
CE35
R435
4.7K
4.7K
R435
4.7K
4.7K
R76
4.7K
4.7K
R76
4.7K
4.7K
C101
0.1uF/50V/Y5V
C101
0.1uF/50V/Y5V
+
47uF/16V
CE24
+
47uF/16V
CE24
C64
0.1uF/50V/Y5V
C64
0.1uF/50V/Y5V
R571 47K
R571 47K
+
470uF/16V
CE33
+
470uF/16V
CE33
FB203
200/600mA
FB203
200/600mA
FB3
70/1A
FB3
70/1A
C51
0.1uF/50V/Y5V
C51
0.1uF/50V/Y5V
C253
0.1uF/50V/Y5V
C253
0.1uF/50V/Y5V
R30
150
150
R30
150
150
R93
82K
82K
R93
82K
82K
FB204
200/600mA
FB204
200/600mA
R111
82K
82K
R111
82K
82K
U733
AT1529
U733
AT1529
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
TP
9
R928
47K/1%
47K/1%
R928
47K/1%
47K/1%
XP8
2PIN/2.0mm
XP8
2PIN/2.0mm
1
1
2
2
+
47uF/16V
CE64
+
47uF/16V
CE64
C21
22uF/10V/Y5V
C21
22uF/10V/Y5V
R929
0
0
R929
0
0
Q6
P_ASM3403
Q6
P_ASM3403
G
D
S
R115
220
220
R115
220
220
R69
1K
R69
1K
FB7
70/1A
FB7
70/1A
R77
4.7K
4.7K
R77
4.7K
4.7K
C66
0.1uF/50V/Y5V
C66
0.1uF/50V/Y5V
C90
0.1uF/50V/Y5V
C90
0.1uF/50V/Y5V
R131
3.9K
R131
3.9K
FB9
70/1A
FB9
70/1A
U2
S1206S
U2
S1206S
VI
3
VO
2
GND
1
Q7
NPN_MMBT8050C
NPN_MMBT8050C
Q7
NPN_MMBT8050C
NPN_MMBT8050C
C13
0.1uF/25V/Y5V
C13
0.1uF/25V/Y5V
C52
0.
1uF/
50V/
Y5V
C52
0.
1uF/
50V/
Y5V
C1069
1uF/16V/Y5V
C1069
1uF/16V/Y5V
R28
10
10
R28
10
10
+
47uF/16V
CE733
+
47uF/16V
CE733
C148
0.1uF/50V/Y5V
C148
0.1uF/50V/Y5V
R143
15K/1%
15K/1%
R143
15K/1%
15K/1%
C249
0.1uF/50V/Y5V
C249
0.1uF/50V/Y5V
C127
0.1uF/25V/Y5V
C127
0.1uF/25V/Y5V
FB206
200/600mA
FB206
200/600mA
C247
0.1uF/50V/Y5V
C247
0.1uF/50V/Y5V
L10
FB80@100MHz
L10
FB80@100MHz
R2
47K
47K
R2
47K
47K
FB10
70/1A
FB10
70/1A
C71
0.1uF/25V/Y5V
C71
0.1uF/25V/Y5V
L7
FB80@100MHz
L7
FB80@100MHz
C145
0.1uF/25V/Y5V
C145
0.1uF/25V/Y5V
FB205
200/600mA
FB205
200/600mA
C67
0.1uF/25V/Y5V
C67
0.1uF/25V/Y5V
FB209
200/600mA
FB209
200/600mA
R1016
22K
R1016
22K
Q2
NPN_3DG3904M
Q2
NPN_3DG3904M
+
CE753
100uF/16V
+
CE753
100uF/16V
+
47uF/16V
CE36
+
47uF/16V
CE36
Amplifier Board Circuit Diagram:Main Power
7-20
7-20
harman/kardon
BDS 270 + 570 Service Manual
Page 85 of 90
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