BDS 270 - Harman Kardon Audio Service Manual (repair manual). Page 67

Read Harman Kardon BDS 270 Service Manual online

A
A
B
B
C
C
D
D
E
1
1
2
2
3
3
4
4
TO POWER BOARD
TO MAIN BOARD
TO MAIN PCB
TO VFD BOARD
‭㡆
‭㡆
H 㘇ᴎ
L  MIC
䴴䖥
IC
䴴䖥
IC
RST
IR
VCC3.3V
F+
38V
VSTB
12V
POWER_control
VCLK
RST
VDIN
F-
PW_KEY
38V
12V
USB_DP
5V
OPEN_KEY
USB_DN
VCC3.3V
VCC3.3V
VDIN_1
VSTB_1
POWER_control
VCLK_1
RST
V12V
V12V
VFD_RST
VT5V
5V
LED_O
5V
USB_DN
USB_DP
VCC3
.3
V
VCC3.3V
LED1
VCLK
VCLK_1
VSTB
VCC3
.3
V
VSTB_1
VDIN
VDIN_1
HP_ROUT
HP_LOUT
MIC_OUT
5V
+12V_MIC
REFM
+12V_MIC
+12V_MIC
REFM
12V
REFM
5V
MIC_CT
5V
MIC_IN
VT5V
F+
F-
USB5V
HP_DET
HP_R
5V
5V
MIC_CT
VCC3.3V
VOL-
VOL+
HP_LOUT
MIC_OUT
HP_ROUT
KEY_LED0
PW_KEY
IR
OPEN_KEY
HP_MUTE
HP_DET
VOL-
VOL+
VDIN_1
VSTB_1
HP_MUTE
HP_DET
5V
5V
USB5V
A
A
12V
XP808
20PIN/0.8mm
XP808
20PIN/0.8mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
GND
21
GND
22
D612
1N4148
D612
1N4148
C651
0.1uF
C651
0.1uF
TP33
TP33
R604
20
R604
20
Q611
PNP_3CG3906M
Q611
PNP_3CG3906M
R617
22K
R617
22K
R613 0
R613 0
Q609
NC/MMBT8050C/NC
Q609
NC/MMBT8050C/NC
R635
1K
R635
1K
C603
0.01uF
C603
0.01uF
C602
0.01uF/50V/Y5V
C602
0.01uF/50V/Y5V
Q626
S8050C
Q626
S8050C
R628
1K
R628
1K
TP44
TP44
C658
100pF
C658
100pF
TP26
TP26
R602 4.7K/NC
R602 4.7K/NC
+
47uF/16V
CE608
+
47uF/16V
CE608
R670
4.7K
R670
4.7K
R690
68K
R690
68K
C601
0.01uF/50V/Y5V
C601
0.01uF/50V/Y5V
R623
10K
R623
10K
C659
0.1uF
C659
0.1uF
D611
1N4148
D611
1N4148
C623
0.1uF
C623
0.1uF
Q620
MMBT8050C
Q620
MMBT8050C
TP36
TP36
R693
4.7K
R693
4.7K
R654
10K
R654
10K
R608
100K
R608
100K
R653
470
R653
470
R619
22K
R619
22K
R689
10K
R689
10K
Q614
NPN_3DG3904M
Q614
NPN_3DG3904M
TP43
TP43
R655
0
R655
0
TP67
TP67
TP68
TP68
C656
1000pF
C656
1000pF
R666
10
R666
10
R662
10K
R662
10K
C625
220pF
C625
220pF
R663
1.5K
R663
1.5K
R687
3.3K
R687
3.3K
LED611
LED03A
LED611
LED03A
1
2
3
R648
12K
R648
12K
TP32
TP32
TP23
TP23
+
47uF/16V
CE603
+
47uF/16V
CE603
LED610
LED03A
LED610
LED03A
1
2
3
+
10uF/16V
CE613
+
10uF/16V
CE613
R636
330
R636
330
TP55
TP55
TP56
TP56
TP54
TP54
R626
10K
R626
10K
TP57
TP57
R620
4.7K
R620
4.7K
R647
10K
R647
10K
R615
27K
R615
27K
TP58
TP58
ZD602
BZX79C33
ZD602
BZX79C33
TP53
TP53
C609
0.047uF
C609
0.047uF
R641
22K
R641
22K
R621
22K
R621
22K
R669
10K
R669
10K
TP59
TP59
Q601
2SK3018
Q601
2SK3018
G
D
S
C663
1000pF
C663
1000pF
TP52
TP52
R645
0
R645
0
FB15
FB500/0.5A
FB15
FB500/0.5A
TP60
TP60
C629
220pF
C629
220pF
+
470uF/16V
CE601
+
470uF/16V
CE601
R698
2.2K
R698
2.2K
Q619
MMBT8050C
Q619
MMBT8050C
+
10uF/16V
CE614
+
10uF/16V
CE614
TP51
TP51
R665
56
R665
56
C607
47pF
C607
47pF
Q623
S8050C
Q623
S8050C
Q615
MMBT8050C
Q615
MMBT8050C
C759
1800pF
C759
1800pF
R642
0
R642
0
R675
3.3K
R675
3.3K
R643
4.7K
R643
4.7K
R631
10
R631
10
TP25
TP25
TP41
TP41
R624
22K
R624
22K
R609
100K
R609
100K
D609
1N4148
D609
1N4148
R600
47K
R600
47K
C611
0.1uF
C611
0.1uF
XS603
5PIN/2.0mm
XS603
5PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
C666
1000pF
C666
1000pF
TP50
TP50
TP31
TP31
R691
2.2K
R691
2.2K
C606
1000pF
C606
1000pF
P601
JACK_6P_3.5mm
P601
JACK_6P_3.5mm
1
1
2
2
3
3
5
5
7
7
6
6
4
4
R688
2.2K
R688
2.2K
+
10uF/16V
CE605
+
10uF/16V
CE605
Q602
2SK3018
Q602
2SK3018
G
D
S
R676
3.3K
R676
3.3K
XS807
6PIN/2.0mm
XS807
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
R695
NC
R695
NC
C662
0.1uF
C662
0.1uF
R652
0
R652
0
R632 10
R632 10
TP28
TP28
TP49
TP49
D1
1N4148
D1
1N4148
R667
10
R667
10
TP40
TP40
ESD1
PRTR5V0U2X
ESD1
PRTR5V0U2X
1
2
3
4
U3
FUTABA
U3
FUTABA
CS
34
RESET
37
OSC
40
F-
1
TSB
26
TSA
29
DA
31
CP
32
VDD
43
VH
45
F+
51
GND
46
GND
48
R625
22K
R625
22K
P602
USB-A
P602
USB-A
VCC
1
D-
2
D+
3
GND
4
Shell B
6
Shell A
5
Q617
S8050C
Q617
S8050C
+
47uF/16V
CE607
+
47uF/16V
CE607
+
-
U603B
NJM2068V
+
-
U603B
NJM2068V
5
6
7
8
4
R601 4.7K/NC
R601 4.7K/NC
R696
NC
R696
NC
R668
10K
R668
10K
R611
4.7K
R611
4.7K
+
10uF/16V
CE606
+
10uF/16V
CE606
TP48
TP48
R616
10K
R616
10K
R614
27K
R614
27K
R639
1K
R639
1K
TP35
TP35
C665
1000pF
C665
1000pF
C758
0.1uF/50V
C758
0.1uF/50V
R686
220
R686
220
C660
0.1uF
C660
0.1uF
R630 33K
R630 33K
R640
1.5K
R640
1.5K
R646
1.5K
R646
1.5K
Q613
PNP_3CG3906M
Q613
PNP_3CG3906M
+
10uF/50V
CE609
+
10uF/50V
CE609
L601
680uH
L601
680uH
R618
1K
R618
1K
TP47
TP47
C605
47pF
C605
47pF
R649
100
R649
100
R656
1K
R656
1K
R672
2K
R672
2K
TP20
TP20
R658
10K
R658
10K
R692
4.7K
R692
4.7K
C608
470pF
C608
470pF
Q616
NPN_3DG3904M
Q616
NPN_3DG3904M
C620
0.01uF
C620
0.01uF
R664
2K
R664
2K
Q618
NPN_3DG9013H
Q618
NPN_3DG9013H
R633
200
R633
200
R674
68
R674
68
R677
1.2K
R677
1.2K
R634
0
R634
0
R606
20
R606
20
TP30
TP30
C760
1000pF/50V/X7R
C760
1000pF/50V/X7R
Q603
2SK3018
Q603
2SK3018
G
D
S
R607
100K
R607
100K
TP39
TP39
R644
10K
R644
10K
R685
470
R685
470
XS605
4PIN/2.0mm/200mm
XS605
4PIN/2.0mm/200mm
1
1
2
2
3
3
4
4
R627
2.2K
R627
2.2K
TP24
TP24
+
47uF/16V
CE604
+
47uF/16V
CE604
TP46
TP46
TP21
TP21
C624
0.1uF
C624
0.1uF
R629
10
R629
10
D613
1N4148
D613
1N4148
C664
1000pF
C664
1000pF
L1
NC
L1
NC
R612
10K
R612
10K
C604
0.1uF
C604
0.1uF
C600
0.047uF
C600
0.047uF
TP34
TP34
+
470uF/16V
CE602
+
470uF/16V
CE602
S602
TAC020
S602
TAC020
TP27
TP27
Q622
S8050C
Q622
S8050C
R678
1.2K
R678
1.2K
TP45
TP45
R651
47K
R651
47K
+
-
U603A
NJM2068V
+
-
U603A
NJM2068V
3
2
1
8
4
TP38
TP38
R610
1K
R610
1K
U22
U22
V+
5
NO
1
COM
4
IN
6
NC
3
GND
2
R660
47K
R660
47K
C667
0.1uF
C667
0.1uF
S603
TAC020
S603
TAC020
R671
10K
R671
10K
C657
1000pF
C657
1000pF
+
10uF/16V
CE612
+
10uF/16V
CE612
Q624
S8050C
Q624
S8050C
D610
1N4007
D610
1N4007
R697
220
R697
220
IR1
IRM_16mm
IR1
IRM_16mm
IR
1
GND
2
VCC
3
GND
4
GND
5
TP42
TP42
R622
100K
R622
100K
Q
621
MMBT8050C
Q
621
MMBT8050C
Q610
NC/MMBT8050C/NC
Q610
NC/MMBT8050C/NC
TP29
TP29
Q612
PNP_3CG3906M
Q612
PNP_3CG3906M
R659
10K
R659
10K
R673
68
R673
68
XS601
6PIN/2.0mm
XS601
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
R650
2.2K
R650
2.2K
U21
TS5A3159
U21
TS5A3159
V+
5
NO
1
COM
4
IN
6
NC
3
GND
2
U602
SA555
U602
SA555
GND
1
TG
2
OUT
3
RESET
4
CV
5
TS
6
DA
7
VCC
8
Q625
S8050C
Q625
S8050C
R638
2.2K
R638
2.2K
+
47uF/
16V
C
E
611
+
47uF/
16V
C
E
611
C661
0.1uF
C661
0.1uF
R637
2.2K
R637
2.2K
TP22
TP22
TP37
TP37
+
47uF/50V
CE610
+
47uF/50V
CE610
Front Control Board Circuit Diagram: VOL
7-2
7-2
harman/kardon
BDS 270 + 570 Service Manual
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