BDS 275_277_575_577 - Harman Kardon Audio Service Manual (repair manual). Page 83

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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
H 㘇ᴎ
L  MIC
䴴䖥
IC
䴴䖥
IC
TO MAIN PCB
USB5V=0.8*(4.7+2+24)/4.7=5.23V
2.1A
TO MAIN PCB
TO MAIN PCB
TO POWER PCB
L 㘇ᴎ
H  MIC
ᮄ๲䚼ߚ
MIC_IN
5V
HP_DET
HP_R
5V
5V
MIC_IN
MIC_OUT
+12V_MIC
REFM
+12V_MIC
12V
REFM
REFM
+12V_MIC
USB_DN
MIC_OUT
MIC_CT
HP_DET
HP_DET
USB_EN
USB_OC
MIC_CT
5V
USB_DP
HP_ROUT
HP_LOUT
USB_EN
USB_OC
USB_EN
USB_OC
HP_DET
HP_ROUT
HP_LOUT
12V
VCC_D
USB5V
12V
A
VCC_D
12V
A
USB5V
USB_POWER
USB5V
USB_POWER
USB_POWER
USB_POWER
TP70
TP70
R691
10K
R691
10K
TP72
TP72
+
CE617
470uF/6.3V
+
CE617
470uF/6.3V
C933
10uF/16V/X7R
C933
10uF/16V/X7R
C932
10uF/16V/X7R
C932
10uF/16V/X7R
R695
NC
R695
NC
R643
22K
R643
22K
C939
0.1uF/25V/Y5V
C939
0.1uF/25V/Y5V
R862
100K
R862
100K
+
CE622
470uF/6.3V
+
CE622
470uF/6.3V
C601
0.01uF/50V/Y5V
C601
0.01uF/50V/Y5V
CON17
8PIN/2.0mm/140mm CON17
8PIN/2.0mm/140mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
R891
10K
R891
10K
C937
0.1uF/25V/Y5V
C937
0.1uF/25V/Y5V
C934
10uF/16V/X7R
C934
10uF/16V/X7R
R690
68K
R690
68K
R640
0
R640
0
TP71
TP71
R624
22K
R624
22K
R720
10K
R720
10K
C
543
100pF/
50V/
N
P0
C
543
100pF/
50V/
N
P0
C919
0.1uF/25V/Y5V
C919
0.1uF/25V/Y5V
R636
0
R636
0
R638
0
R638
0
TP59
TP59
R858
4.7K/1%
R858
4.7K/1%
R608
100K
R608
100K
C494
0.1uF/25V/Y5V
C494
0.1uF/25V/Y5V
C
541
100pF/
50V/
N
P0
C
541
100pF/
50V/
N
P0
U40
MP8706
U40
MP8706
IN
1
VCC
7
EN
5
GND
8
FB
6
SW1
2
BS
4
SW2
3
GND
9
XS606
4PIN/2.0mm/400mm
XS606
4PIN/2.0mm/400mm
1
1 2
2 3
3 4
4
TP2
TP2
R626
1K
R626
1K
Q616
NPN_3DG3904M
Q616
NPN_3DG3904M
TP8
TP8
R859
2K/1%
R859
2K/1%
Q613
PNP_3CG3906M
Q613
PNP_3CG3906M
R698
2.2K
R698
2.2K
R884
0
R884
0
ESD1
ESD_8KV
ESD1
ESD_8KV
R634
27K
R634
27K
+
CE620
470uF/6.3V
+
CE620
470uF/6.3V
C613
47pF/50V/NP0
C613
47pF/50V/NP0
XS6
4PIN/2.0mm/400mm
XS6
4PIN/2.0mm/400mm
1
1
2
2
3
3
4
4
R732 10K
R732 10K
TP7
TP7
TP25
TP25
P1
USB-A/WT
P1
USB-A/WT
VCC
1
D-
2
D+
3
GND
4
Shell 
B
6
Shell 
A
5
R642
0
R642
0
R630
10K
R630
10K
R637
0
R637
0
TP69
TP69
C928 47pF/50V/NP0
C928 47pF/50V/NP0
R860
24K/1%
R860
24K/1%
C940
10uF/16V/X7R
C940
10uF/16V/X7R
R607
100K
R607
100K
TP10
TP10
C
486
100pF/
50V/
N
P0
C
486
100pF/
50V/
N
P0
R632
22K
R632
22K
C661
0.1uF/50V/Y5V
C661
0.1uF/50V/Y5V
C938
10uF/16V/X7R
C938
10uF/16V/X7R
R639
NC/0
R639
NC/0
C916
0.1uF/50V/Y5V
C916
0.1uF/50V/Y5V
R633
27K
R633
27K
TP68
TP68
C917
NC/1000pF/50V/X7R
C917
NC/1000pF/50V/X7R
R604
20
R604
20
C660
0.1uF/50V/Y5V
C660
0.1uF/50V/Y5V
R890
3.3K
R890
3.3K
R724
4.7K
R724
4.7K
C920
0.1uF/25V/Y5V
C920
0.1uF/25V/Y5V
XP586
2PIN/2.5mm
XP586
2PIN/2.5mm
1
1
2
2
R621
22K
R621
22K
C929
470pF/50V/NP0
C929
470pF/50V/NP0
R138
20K
R138
20K
R600
47K
R600
47K
TP23
TP23
R723
10K
R723
10K
L22
3.3uH/3A
L22
3.3uH/3A
C667
0.1uF/50V/Y5V
C667
0.1uF/50V/Y5V
L2
NC
L2
NC
TP6
TP6
R645
0
R645
0
C918
22uF/10V/Y5V
C918
22uF/10V/Y5V
R714
10K
R714
10K
R719
100K
R719
100K
R722
100K
R722
100K
R641
22K
R641
22K
R883
4.7K
R883
4.7K
C760
1000pF/50V/X7R
C760
1000pF/50V/X7R
+
-
U605A
NJM2068V
+
-
U605A
NJM2068V
3
2
1
8
4
R625
22K
R625
22K
C930
0.047uF/50V/Y5V
C930
0.047uF/50V/Y5V
U41
MP65150
U41
MP65150
IN
1
GND
2
EN
3
FLAG
4
OUT
6
ILIM
5
C602
0.01uF/50V/Y5V
C602
0.01uF/50V/Y5V
C936
10uF/16V/X7R
C936
10uF/16V/X7R
TP5
TP5
U607
TS5A3159
U607
TS5A3159
NO
1
GND
2
NC
3
COM
4
V+
5
IN
6
C
542
100pF/
50V/
N
P0
C
542
100pF/
50V/
N
P0
R857
NC/4.7
R857
NC/4.7
TP20
TP20
TP24
TP24
R644
NC/0
R644
NC/0
R662
10K
R662
10K
C
493
100pF/
50V/
N
P0
C
493
100pF/
50V/
N
P0
U42
MP65150
U42
MP65150
IN
1
GND
2
EN
3
FLAG
4
OUT
6
ILIM
5
+
CE618
470uF/6.3V
+
CE618
470uF/6.3V
TP21
TP21
C931
100pF/50V/NP0
C931
100pF/50V/NP0
TP4
TP4
Q617
NPN_MMBT8050C
Q617
NPN_MMBT8050C
R713
NC
R713
NC
R612
1K
R612
1K
TP57
TP57
C620 NC/0.01uF
C620 NC/0.01uF
C944
4.7uF/16V/Y5V
C944
4.7uF/16V/Y5V
R631
22K
R631
22K
C943
4.7uF/16V/Y5V
C943
4.7uF/16V/Y5V
C616
0.1uF/50V/Y5V
C616
0.1uF/50V/Y5V
P603
9PIN/H-CKX-3.5-12
P603
9PIN/H-CKX-3.5-12
GND
1
SIN
2
SGND
3
GND
4
GND
5
DET
6
GND
7
GND
8
GND
9
R611
NC/100K
R611
NC/100K
C945
4.7uF/16V/Y5V
C945
4.7uF/16V/Y5V
U606
TS5A3159
U606
TS5A3159
NO
1
GND
2
NC
3
COM
4
V+
5
IN
6
C915
0.1uF/25V/Y5V
C915
0.1uF/25V/Y5V
R635
100K
R635
100K
TP58
TP58
TP27
TP27
R885
0
R885
0
ESD2
ESD_8KV
ESD2
ESD_8KV
R721
4.7K
R721
4.7K
TP22
TP22
R861
4.7
R861
4.7
C604
0.1uF/50V/Y5V
C604
0.1uF/50V/Y5V
TP9
TP9
R623
10K
R623
10K
C941
10uF/16V/X7R
C941
10uF/16V/X7R
R606
20
R606
20
FB16
500/500mA
FB16
500/500mA
C942
10uF/16V/X7R
C942
10uF/16V/X7R
C914
0.1uF/25V/Y5V
C914
0.1uF/25V/Y5V
+
-
U605B
NJM2068V
+
-
U605B
NJM2068V
5
6
7
8
4
C615
1000pF/50V/X7R
C615
1000pF/50V/X7R
R137
20K
R137
20K
L1
NC
L1
NC
C
492
0.
1uF/
25V/
Y5V
C
492
0.
1uF/
25V/
Y5V
TP3
TP3
USB Board Circuit Diagram:HEDPHEN&USB
7-5
7-5
Harman Kardon
BDS X75 + X77 Service Manual
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