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Harman Kardon
Main & In & NFC Board Circuit Diagram:POWER SOURCE
A
+12V
+12V_D
9
9
8
8
VCC
7
7
6
6
5
5
4
4
3
3
2
2
1
1
C901
C901
C902
C902
C900
C900
XP4
XP4
9PIN/2.5mm
9PIN/2.5mm
1
MT8580 1.2V
VCC
POWER
R21
R21
10
10
C7
C7
1
8
C76 10uF/10V/Y5V
C76 10uF/10V/Y5V
VCC
VIN
7
L10
L10
LX
EN
5
C10
C10
EN
4
FB
C332
C332
3
GND
2
REF
9
6
C333
C333
TP
PGND
0.1uF/16V/Y5V
0.1uF/16V/Y5V
U7
U7
AT1529
AT1529
MT8580 1.5V
POWER
VCC
R25
R25
10
10
C326 0.1uF/16V/Y5V
C326 0.1uF/16V/Y5V
1
8
C68
C68
VCC
VIN
C81
C81
7
L9
L9
LX
EN
5
EN
4
FB
C78
C78
3
GND
2
2
REF
C337
C337
9
6
TP
PGND
0.1uF/16V/Y5V
0.1uF/16V/Y5V
U8
U8
AT1526
AT1526
System 3.3V
POWER
VCC
R49
R49
10
10
C402 0.1uF/25V/Y5V
C402 0.1uF/25V/Y5V
1
8
C459 10uF/10V/Y5V
C459 10uF/10V/Y5V
VCC
VIN
C404
C404
7
L13
L13
LX
EN
5
EN
4
FB
3
GND
C401
C401
2
REF
C406
C406
0.1uF/25V/Y5V
0.1uF/25V/Y5V
9
6
TP
PGND
0.1uF/25V/Y5V
0.1uF/25V/Y5V
U12
U12
AT1526
AT1526
CONTROL
VCC
VCC_D&+12_D
VCC
1.2V
SLEEP_PCON
R304
R304
R298
R298
R302
R302
3
20K
20K
10K
10K
1K
1K
R299 100K
R299 100K
Q213
Q213
NC/NPN_3DG3904M
NC/NPN_3DG3904M
Stanby_HML_Power
Q210
Q210
NPN_3DG3904M
NPN_3DG3904M
3.3V
R303
R303
R297
R297
C304
C304
10K
10K
10K
10K
0.1uF/16V/Y5V
0.1uF/16V/Y5V
VCC_D_EN
Standby
3.3V
VCC
U3
U3
TJ4203GSF5-ADJ
TJ4203GSF5-ADJ
1
VIN
VOUT
C82
C82
R132
R132
10K
10K
3
EN
ADJ/SENSE
C155
C155
GND
0.8*(47+15)/15=3.3v
4
SLEEP_PCON
SLEEP_PCON
10,15,5
MCU_PCON
MCU_PCON
15,5
SLEEP_PCON
SLEEP_PCON
10,15,5
A
7-11
B
DSP
1V
3.3V
VCC_D
R22
R22
10
10
C12
C12
R854
R854
1K
1K
0.1uF/16V/Y5V
0.1uF/16V/Y5V
R875
R875
1K
1K
R174
R174
Q14
Q14
R266
R266
4.7K
4.7K
SLEEP_PCON
2K
2K
R337
R337
47K
47K
C354
C354
R178
R178
0.1uF/16V/Y5V
0.1uF/16V/Y5V
4.7K
4.7K
1.2V
A1.2V
DSP
0.1uF/16V/Y5V
0.1uF/16V/Y5V
3.3V
3.3V_D
Close to DC-DC
FB7
FB7
10/2A
10/2A
DSP3.3V
FB22
FB22
0
0
2.2uH
2.2uH
R41
R41
2K/1%
2K/1%
C66
C66
C340
C340
C397
C397
C330
C330
0.1uF/16V/Y5V
0.1uF/16V/Y5V
Repeater
R40
R40
5.6K/1%
5.6K/1%
1.2V
VCC_D
R26
R26
15K/1%
15K/1%
R23
R23
10
10
3.3V
R179
R179
C17
C17
NC/10K
NC/10K
0.1uF/16V/Y5V
0.1uF/16V/Y5V
R187
R187
2K
2K
C361
C361
R180
R180
0.1uF/16V/Y5V
0.1uF/16V/Y5V
4.7K
4.7K
1.5V
Close to DC-DC
10uF/10V/Y5V
10uF/10V/Y5V
0
2.2uH
2.2uH
FB6
FB6
10/2A
10/2A
C73
C73
C77
C77
R928 560/1%
R928 560/1%
C75
C75
Repeater
3.3V
R48 13K/1%
R48 13K/1%
3.3V
R39 15K/1%
R39 15K/1%
FB21
FB21
3.3V_STBY
3.3V
USB &
MHL
+12V
A3.3V
3.3V
-5V_PWM
5V
FB4
FB4
300/2A
300/2A
2.2uH
2.2uH
FB25
FB25
0
0
C92
C92
R55
R55
R527 1.8K
R527 1.8K
C405
C405
C11
C11
C9
C9
C23
C23
CE9
CE9
+
+
R526
R526
30K/1%
30K/1%
R54
R54
R525 10K/1%
R525 10K/1%
NC/100K
NC/100K
Sleep and Standby
Mode Power OFF
U22
U22
MHL
AP4953GM
AP4953GM
+12V
5V
1
8
S1
D1
VCC_D
2
7
G1
D1
3
6
USB_MHL_5V
S2
D2
4
5
G2
D2
C342
C342
C327
C327
Q217
Q217
0.1uF/16V/Y5V
0.1uF/16V/Y5V
0.1uF/16V/Y5V
0.1uF/16V/Y5V
NC/P_AP2305
NC/P_AP2305
S
D
3.3V_D
C400
C400
0.1uF/16V/Y5V
0.1uF/16V/Y5V
R338 0
R338 0
3.3V_STBY_MCU
5
R140
R140
C156
C156
C83
C83
4
47K/1%
47K/1%
10uF/10V/Y5V
10uF/10V/Y5V
-5V_PWM
R987
R987
33
33
R141
R141
15K/1%
15K/1%
B
C
VCC
DSP1V
C8
C8
0.1uF/16V/Y5V
0.1uF/16V/Y5V
Close to DC-DC
1
8
C79 10uF/10V/Y5V
C79 10uF/10V/Y5V
VCC
VIN
7
L12
L12
2.2uH
2.2uH
LX
5
EN
C67
C67
R58
R58
0
0
4
FB
3
GND
2
REF
R56
R56
4.7K/1%
4.7K/1%
9
6
C355
C355
TP
PGND
R27
R27
15K/1%
15K/1%
0.1uF/16V/Y5V
0.1uF/16V/Y5V
U11
U11
AT1526
AT1526
VCC
Repeater1.2V
C16 0.1uF/16V/Y5V
C16 0.1uF/16V/Y5V
Close to DC-DC
1
8
C80 10uF/10V/Y5V
C80 10uF/10V/Y5V
VCC
VIN
7
L15
L15
2.2uH
2.2uH
LX
5
EN
C69
C69
R75
R75
2K/1%
2K/1%
4
FB
3
GND
2
REF
R65
R65
5.6K/1%
5.6K/1%
9
6
C392
C392
TP
PGND
R28
R28
15K/1%
15K/1%
0.1uF/16V/Y5V
0.1uF/16V/Y5V
U15
U15
AT1526
AT1526
Repeater
5V
Repeater3.3V
VCC_D
Repeater5V
R335 0
R335 0
0
0
USB_5V
USB_MHL_5V
MAX 2A
D717
D717
L11
L11
6.8uH
6.8uH
100K
100K
C87
C87
SS24/40V/2A
SS24/40V/2A
U13
U13
0.01uF/50V/Y5V
0.01uF/50V/Y5V
EUP3482A
EUP3482A
7
3
EN
SW
R85
R85
49.9K/1%
49.9K/1%
FB=0.923V
C90
C90
CE11
CE11
CE15
CE15
8
5
+
+
+
+
SS
FB
100uF/16V
100uF/16V
R86
R86
R78
R78
22K/1%
22K/1%
R53
R53
C88
C88
C86
C86
22K/1%
22K/1%
3300pF/50V/X7R
3300pF/50V/X7R
0.01uF/50V/Y5V
0.01uF/50V/Y5V
7.5K
7.5K
VCC
VCC
R94
R94
R305
R305
ZD202
ZD202
100K
100K
47K
47K
BZV55C7V5/7.5V
BZV55C7V5/7.5V
R95
R95
1M
1M
Stanby_HML_Power
R77
R77
100K
100K
Q10
Q10
R98
R98
Q7
Q7
1.5K
1.5K
R92
R92
47K
47K
BAT54S
BAT54S
D718
D718
VSS_D
C407
C407
R986
R986
10
10
1
C403 0.1uF/25V/Y5V
C403 0.1uF/25V/Y5V
3
2
4.7uF/10V/Y5V
4.7uF/10V/Y5V
C
7-11
D
MPEG_PCON For Upgrade
VCC
15,5
MCU_PCON
8
MPEG_PCON
R289
R289
R97
R97
PCON_EN
13
R296
R296
R295
R295
15K
15K
20K
20K
PCON_EN
R99
R99
2.2K
2.2K
EN
NC/4.7K
NC/4.7K
4.7K
4.7K
Q5
Q5
Q3
Q3
R286
R286
1K
1K
C359
C359
8
MPEG_PCON1
2.2uF/10V/Y5V
2.2uF/10V/Y5V
R300
R300
4.7K
4.7K
RESET
CIRCUIT
PCON_EN
VCC_D
Vb=4.48V*2.7k/(14.7k//12K+6.8k+2.7k)=0.62V
R200
R200
R191
R191
12K
12K
10K
10K
VCC
3.3V_STBY
R182
R182
R176
R176
R185
R185
6.8K
6.8K
20K
20K
10K
10K
RESET_
RESET_
R181
R181
100
100
R294
R294
1K
1K
RESET_
Vb
R184
R184
Q15
Q15
Q16
Q16
C229
C229
2.7K/1%
2.7K/1%
NPN_3DG3904M
NPN_3DG3904M
NPN_3DG3904M
NPN_3DG3904M
4.7uF/10V/Y5V
4.7uF/10V/Y5V
D
BDS 280 + 580 Service Manual
E
1
8
RESET_
2
3
4
E
Page 48 of 87
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