BDT 20 - BDT 2 - Harman Kardon Audio Service Manual (repair manual). Page 26

Read Harman Kardon BDT 20 - BDT 2 Service Manual online

A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
EN_BCK2
V6V
USB_OC0
-12V
VPULLUP
V3P3
EN_BCK1
EN_BCK2
V3P3
USB_OC1
EN_BCK1
NOR-RESET#
RESET#
V3P3
+12V
5V_STBY
3.3V
VPULLUP
V3P3
U5V0
U5V
EN_BCK3
EN_BCK3
EN_BCK3
V3P3
EN_BCK3
EN_BCK3
USBEN0
USBEN1
USBEN1
USB_EN0
USB_EN1
V3P3
USBEN1
V3P3
USBEN0
+12V_P
VCC_P
-12V
D3.3V
M3.3V
A3.3V
1.2V
A1.2V
D1.2V
3.3V
1.2V
1.8V
5V_STBY
-12V
3.3V
+12V_P
VCC_P
1.1V
VCC_P
VCC_P
VCC
1.1V
+12V_P
+12V_P
+12V
1.1V
VCC_P
VCC_USB
VCC_P
+12V_P
3.3V
VCC_P
1.1V
3.3V
VCC_P
VCC_USB
5V_STBY
3.3V_STBY
5V_STBY
VCC3IO_STB
3.3V_STBY
5V_STBY
3.3V_STBY
GND
GND
3.3V_STBY
3.3V_STBY
-12V
[10]
+12V
[10,13]
5V_STBY
[5,10,12]
3.3V
[3,5,6,7,8,10,11,12,13]
USB_OC0
U5V0
USB_OC1
U5V
RESET_MCU_FB [7]
OPWRSB
[7]
USB_EN1
USB_EN0
NOR-RESET#
[7,11]
RESET#
[7,11]
servo
to  power board
R63
390 R1%
R63
390 R1%
L10
500R
L10
500R
C70
0.1uF
C70
0.1uF
C72
22uF/10V
C72
22uF/10V
C40
10uF/10V
C40
10uF/10V
C77
1000pF
C77
1000pF
R140
4.7K
R140
4.7K
R133
16K
R133
16K
R6
10K
R6
10K
+
CE12
100uF/16v
+
CE12
100uF/16v
R
128
20K
R
128
20K
C94
22uF/10V
C94
22uF/10V
C92
22uF/10V
C92
22uF/10V
R65
10K
R65
10K
C80
10uF/25V
C80
10uF/25V
+5V
+5V
R72
100K
R72
100K
C85
0.1uF
C85
0.1uF
R76
0R/NC
R76
0R/NC
Q15
BT3904
Q15
BT3904
R129
0R
R129
0R
Q304
CES2302
Q304
CES2302
1
2
3
R
126
4.
7K
R
126
4.
7K
R51
1K
R51
1K
GND3
GND3
L15
2.2uH
L15
2.2uH
R40
10K
R40
10K
R66
3K 1%
R66
3K 1%
R141
4.7K
R141
4.7K
R110
3.9K 1%
R110
3.9K 1%
Q35
AO3401
Q35
AO3401
1
2
3
C41
10uF/10V
C41
10uF/10V
Q33
AO3401
Q33
AO3401
1
2
3
C13
0.1uF
C13
0.1uF
R125
470R
R125
470R
R70
1K
R70
1K
C46
100pF
C46
100pF
-12V
-12V
R
124
10K
R
124
10K
R130
4.7K
R130
4.7K
R73
49.9K_1%
R73
49.9K_1%
C86
10uF/10V
C86
10uF/10V
C630
2.2uF
C630
2.2uF
5V_STBY
5V_STBY
R52
10K
R52
10K
FB711
100R
FB711
100R
C53
1000PF
C53
1000PF
R84
0R
R84
0R
GND1
GND1
Q8
3906
Q8
3906
R131
0R(NC)
R131
0R(NC)
R60
0R
R60
0R
C47
22uF/10V
C47
22uF/10V
C30
0.1uF
C30
0.1uF
C36
0.1uF
C36
0.1uF
C42
10uF/10V
C42
10uF/10V
R137
4.7K
R137
4.7K
XP2
8PIN/2.5MM
XP2
8PIN/2.5MM
1
2
3
4
5
6
7
8
C88
0.1uF
C88
0.1uF
Q6
3904
Q6
3904
R80
0R
R80
0R
C49
10uF/10V
C49
10uF/10V
U352
TPS65230
U352
TPS65230
BG
1
VINBQ
2
V6V
3
VIN
4
FB2
5
CMP2
6
EN_BCK2
7
PGND2A
8
PGND2B
9
PH2A
10
PH2B
11
VINB2A
12
VINB2B
13
BST2
14
DGND
15
LDRV
16
HDRV
17
PH1
18
BST1
19
EN_BCK1
20
CMP1
21
FB1
22
SS
23
TPIP
24
V3P3
25
AGND
26
nRST
27
EN_USB1/SCL
28
EN_USB2/SDA
29
USBFLG2/nINT
30
FB3
31
CMP3
32
EN_BCK3
33
PGND3B
34
PGND3A
35
PH3B
36
PH3A
37
VINB3B
38
VINB3A
39
BST3
40
USBOUT1
41
VINU
42
USBOUT2
43
USBFLG1/VCTRL
44
nBOR/nHOT
45
VMON1
46
VMON2
47
12C_ADD
48
PGND
49
R118
1K 1%
R118
1K 1%
FB712
100R
FB712
100R
R91
1K
R91
1K
R74
10K
R74
10K
TP10
TP10
C45
1000pF
C45
1000pF
Q305
CES2302
Q305
CES2302
1
2
3
U4
UTC LD1117-3.3
SOT-223
U4
UTC LD1117-3.3
SOT-223
ADJ/GND
1
OUT
2
IN
3
OUT
4
L11
500R
L11
500R
R88
0R
R88
0R
C35
0.1uF
C35
0.1uF
R
127
4.
7K
R
127
4.
7K
R132
196K
R132
196K
C78
100pF
C78
100pF
R71
100K
R71
100K
R111
3K 1%
R111
3K 1%
R11
4.7K
R11
4.7K
C87
10uF/10V
C87
10uF/10V
C91
0.1uF
C91
0.1uF
R67
1K
R67
1K
P_M4
P_M4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
C95
0.1UF
C95
0.1UF
R136
4.7K
R136
4.7K
C79
22uF/10V
C79
22uF/10V
R112
0R
R112
0R
R4
10K
R4
10K
C34
0.1uF
C34
0.1uF
+ CE609
470uF/16
+ CE609
470uF/16
FB713
100R
FB713
100R
R138 4.7K
R138 4.7K
R3
10K
R3
10K
Q34
BT3904
Q34
BT3904
L13
500R
L13
500R
C81
4.7NF
C81
4.7NF
R115
120R 1%
R115
120R 1%
R123
0R
R123
0R
R55
0R/NC
R55
0R/NC
R114
16K
R114
16K
Q7
3904
Q7
3904
R139 4.7K
R139 4.7K
C55
1000pF
C55
1000pF
C82
1000pF
C82
1000pF
+ CE3
100uF/10V
+ CE3
100uF/10V
POR
U5
G691L293T73U
POR
U5
G691L293T73U
GND
1
RESET#
2
VCC
3
+5_V
+5_V
R58
3.3K 1%
R58
3.3K 1%
C75
1000pF
C75
1000pF
R61
0R
R61
0R
C90
470PF
C90
470PF
R68
100K
R68
100K
FB714
100R/NC
FB714
100R/NC
C50
0.01uF
C50
0.01uF
L16
2.2uH
L16
2.2uH
C10
0.1uF
C10
0.1uF
C33
0.01uF
C33
0.01uF
L14
500R
L14
500R
P_M3
P_M3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
Q14
AO3401
Q14
AO3401
1
2
3
R69
20K
R69
20K
C99
1000PF
C99
1000PF
R121
0R
R121
0R
R41
1K
R41
1K
C98
3300PF
C98
3300PF
L9
500R
L9
500R
C52
1uF
C52
1uF
+
CE7
220uF/6.3V
+
CE7
220uF/6.3V
C43
1000PF
C43
1000PF
D2
1N4148/SMD/NC
D2
1N4148/SMD/NC
R42
47K
R42
47K
C44
10uF/10V
C44
10uF/10V
C89
0.033UF
C89
0.033UF
R113
5.6K 1%
R113
5.6K 1%
R116
3K 1%
R116
3K 1%
R119
20K
R119
20K
C39
0.1uF
C39
0.1uF
GND
GND
C93
22uF/10V
C93
22uF/10V
C57
1uF
C57
1uF
C83
1000pF
C83
1000pF
C74
0.1uF
C74
0.1uF
C51
0.1uF
C51
0.1uF
L8
2.2uH
L8
2.2uH
C96
0.1UF
C96
0.1UF
U2
AZ1117-1.2
SOT-223
U2
AZ1117-1.2
SOT-223
ADJ/GND
1
OUT
2
IN
3
OUT
4
C56
100pF
C56
100pF
R64
0R/NC
R64
0R/NC
R117
0R
R117
0R
C65
1uF
C65
1uF
Q12
BT3904
Q12
BT3904
C58
1uF
C58
1uF
C84
1uF
C84
1uF
C31
10uF/10V/NC
C31
10uF/10V/NC
R43
100K
R43
100K
R120
0R
R120
0R
+12V_P
+12V_P
C73
10uF/10V
C73
10uF/10V
R1
210K
R1
210K
7-4
7-4
Main Board Circuit Diagram:Power
harman/kardon
BDT 2 / BDT 20 Service Manual
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