Harman Kardon BDS 280S - Main Board Circuit Schematics

A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
Close to DC-DC
Ϟ 0ȍ ⬉䰏
MT8580 1.5V
POWER
MT8580 1.2V
POWER
System 3.3V
POWER
MAX 2A
DSP
1V
RESET
CIRCUIT
Close to DC-DC
Standby
3.3V
CONTROL
VCC_D&+12_D
Close to DC-DC
DSP
3.3V
Close to DC-DC
Repeater
1.2V
Repeater
3.3V
Repeater
5V
Sleep and Standby
Mode Power OFF
USB &
MHL
5V
MHL
5V
Vb=4.48V*2.7k/(14.7k//12K+6.8k+2.7k)=0.62V
Vb
MPEG_PCON For Upgrade
0.8*(47+15)/15=3.3v
FB=0.923V
EN
EN
EN
EN
SLEEP_PCON
VCC_D_EN
RESET_
PCON_EN
SLEEP_PCON
MCU_PCON
PCON_EN
SLEEP_PCON
SLEEP_PCON
Stanby_HML_Power
Stanby_HML_Power
-5V_PWM
-5V_PWM
VCC
A1.2V1.2V
VCC
1.5V
USB_5V
+12V
VCC
A3.3V
VCC
3.3V
3.3V_STBY
3.3V
VCC_D
1.2V
VCC
VCC
VCC
DSP1V
3.3V
VCC
Repeater1.2V
VCC_D
Repeater3.3V Repeater5V
3.3V
3.3V_D
3.3V
DSP3.3V
3.3V_D
USB_MHL_5V
VCCVCC
3.3V_STBY
VCC_D
VCC
+12V
VCC_D
3.3V
VCC
3.3V_STBY_MCU
VCC_D
USB_MHL_5V
+12V_D
+12V
VCC
VSS_D
MPEG_PCON
8
RESET_
8
MCU_PCON
15,5
SLEEP_PCON 10,15,5
MCU_PCON 15,5
PCON_EN 13
SLEEP_PCON
10,15,5
MPEG_PCON1
8
C902
100pF/50V/
NP0
C902
100pF/50V/
NP0
C459 10uF/10V/Y5VC459 10uF/10V/Y5V
C75
0.1uF/
16V/Y5V
C75
0.1uF/
16V/Y5V
C11
0.1uF/
25V/Y5V
C11
0.1uF/
25V/Y5V
R987 33R987 33 C403 0.1uF/25V/Y5VC403 0.1uF/25V/Y5V
U22
AP4953GM
U22
AP4953GM
S1
1
G1
2
S2
3
G2
4
D2
5
D2
6
D1
7
D1
8
C400
0.1uF/16V/Y5V
C400
0.1uF/16V/Y5V
R184
2.7K/1%
R184
2.7K/1%
U13
EUP3482A
U13
EUP3482A
BS
1
IN
2
SW
3
FB
5
COMP
6
GND
4
SS
8
EN
7
C90
0.01uF/
50V/Y5V
C90
0.01uF/
50V/Y5V
FB21 0FB21 0
C69
22uF/6.
3V/Y5V
C69
22uF/6.
3V/Y5V
+
100uF/16V
CE11
+
100uF/16V
CE11
R28 15K/1%R28 15K/1%
Q10
NP
N_3DG3904M
Q10
NP
N_3DG3904M
R40 5.6K/1%R40 5.6K/1%
R295
4.7K
R295
4.7K
R303
10K
R303
10K
R58 0R58 0
C7010uF/
10V/Y5V
C7010uF/
10V/Y5V
C351
0.
1uF/16V/Y5V
C351
0.
1uF/16V/Y5V
C407
4.7uF/10V/Y5V
C407
4.7uF/10V/Y5V
C337
0.1uF/16V/Y5V
C337
0.1uF/16V/Y5V
R527 1.8KR527 1.8K
C83
10uF/10V/Y5V
C83
10uF/10V/Y5V
Q16
NPN_3DG3904M
Q16
NPN_3DG3904M
C326 0.1uF/16V/Y5VC326 0.1uF/16V/Y5V
FB6 10/2AFB6 10/2AL9 2.2uHL9 2.2uH
C82
2.
2uF/
10V/Y5V
C82
2.
2uF/
10V/Y5V
D717
SS24/40V/2A
D717
SS24/40V/2A
R299 100KR299 100K
R85 49.9K/1%R85 49.9K/1%
R875 1KR875 1K
Q3
NP
N_3DG3904M
Q3
NP
N_3DG3904M
R56 4.7K/1%R56 4.7K/1%
C344
0.
47uF/25V/Y5V
C344
0.
47uF/25V/Y5V
R95 1MR95 1M
R296
NC/4.7K
R296
NC/4.7K
L12 2.2uHL12 2.2uH
R99 2.2KR99 2.2K
U15
AT1526
U15
AT1526
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
TP
9
C354
0.1uF/16V/Y5V
C354
0.1uF/16V/Y5V
R289
20K
R289
20K
C17
0.1uF/16V/Y5V
C17
0.1uF/16V/Y5V
C73
22uF/6.
3V/Y5V
C73
22uF/6.
3V/Y5V
Q210
NPN_3DG3904M
Q210
NPN_3DG3904M
C86
3300pF/50V/X7R
C86
3300pF/50V/X7R
R180
4.7K
R180
4.7K
FB22 0FB22 0
C330
0.1uF/16V/Y5V
C330
0.1uF/16V/Y5V
L13 2.2uHL13 2.2uH
C353
0.
1uF/16V/Y5V
C353
0.
1uF/16V/Y5V
R200
12K
R200
12K
C16 0.1uF/16V/Y5VC16 0.1uF/16V/Y5V
U3
TJ4203GSF5-ADJ
U3
TJ4203GSF5-ADJ
VIN
1
ADJ/SENSE
4
EN
3
VOUT
5
2
GND
R338 0R338 0
R41 2K/1%R41 2K/1%
R75 2K/1%R75 2K/1%
C327
0.1uF/16V/Y5V
C327
0.1uF/16V/Y5V
R854 1KR854 1K
C23
10uF/10V/
Y5V
C23
10uF/10V/
Y5V
C358
0.
1uF/16V/Y5V
C358
0.
1uF/16V/Y5V
ZD202
BZV55C7V5/7.5V
ZD202
BZV55C7V5/7.5V
R300 4.7KR300 4.7K
C76 10uF/10V/Y5VC76 10uF/10V/Y5V
R92
47K
R92
47K
C77
0.1uF/
16V/Y5V
C77
0.1uF/
16V/Y5V
R25 10R25 10
R22 10R22 10
R48 13K/1%R48 13K/1%
R335 0R335 0
Q7
NP
N_3DG3904M
Q7
NP
N_3DG3904M
C398
22uF/
6.3V/Y5V
C398
22uF/
6.3V/Y5V
C361
0.1uF/16V/Y5V
C361
0.1uF/16V/Y5V
U12
AT1526
U12
AT1526
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
TP
9
C68 10uF/10V/Y5VC68 10uF/10V/Y5V
C405
22uF/6.
3V/Y5V
C405
22uF/6.
3V/Y5V
C88
0.01uF/50V/Y5V
C88
0.01uF/50V/Y5V
R185
10K
R185
10K
R98
1.5K
R98
1.5K
C360
0.
1uF/16V/Y5V
C360
0.
1uF/16V/Y5V
R286 1KR286 1K
FB7 10/2AFB7 10/2A
R305
47K
R305
47K
C79 10uF/10V/Y5VC79 10uF/10V/Y5V
R86
22K/1%
R86
22K/1%
R21 10R21 10
L11 6.8uHL11 6.8uH
C338
22uF/
6.3V/Y5V
C338
22uF/
6.3V/Y5V
RESET_RESET_
C8 0.1uF/16V/Y5VC8 0.1uF/16V/Y5V
R266 4.7KR266 4.7K
R986 10R986 10
C397
10uF/10V/
Y5V
C397
10uF/10V/
Y5V
C401
0.1uF/25V/Y5V
C401
0.1uF/25V/Y5V
C355
0.1uF/16V/Y5V
C355
0.1uF/16V/Y5V
R54
NC/100K
R54
NC/100K
R53
7.5K
R53
7.5K
C66
22uF/6.
3V/Y5V
C66
22uF/6.
3V/Y5V
L15 2.2uHL15 2.2uH
C93
10uF/
10V/Y5V
C93
10uF/
10V/Y5V
R132
10K
R132
10K
C402 0.1uF/25V/Y5VC402 0.1uF/25V/Y5V
R526 30K/1%R526 30K/1%
C333
0.1uF/16V/Y5V
C333
0.1uF/16V/Y5V
C900
100pF/50V/
NP0
C900
100pF/50V/
NP0
R27 15K/1%R27 15K/1%
Q213
NC/NPN_3DG3904M
Q213
NC/NPN_3DG3904M
+
CE9
100uF/16V
+
CE9
100uF/16V
R191
10K
R191
10K
R55 100KR55 100K
R140
47K/1%
R140
47K/1%
R181 100R181 100
C406
0.1uF/25V/Y5V
C406
0.1uF/25V/Y5V
R26 15K/1%R26 15K/1%
C10
0.1uF/
16V/Y5V
C10
0.1uF/
16V/Y5V
R525 10K/1%R525 10K/1%
C404
0.1uF/
25V/Y5V
C404
0.1uF/
25V/Y5V
C342
0.1uF/16V/Y5V
C342
0.1uF/16V/Y5V
R97
15K
R97
15K
+
100uF/16V
CE15
+
100uF/16V
CE15
C9
0.1uF/
25V/Y5V
C9
0.1uF/
25V/Y5V
C304
0.1uF/16V/Y5V
C304
0.1uF/16V/Y5V
D718
BAT54S
D718
BAT54S
1
3
2
R65 5.6K/1%R65 5.6K/1%
C901
100pF/50V/
NP0
C901
100pF/50V/
NP0
R337 47KR337 47K
L10 2.2uHL10 2.2uH
U7
AT1529
U7
AT1529
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
TP
9
C92
0.1uF/
25V/Y5V
C92
0.1uF/
25V/Y5V
C7 0.1uF/16V/Y5VC7 0.1uF/16V/Y5V
R176
20K
R176
20K
R302
20K
R302
20K
R928 560/1%R928 560/1%
C890.
1uF/16V/Y5V
C890.
1uF/16V/Y5V
C332
0.1uF/
16V/Y5V
C332
0.1uF/
16V/Y5V
XP4
9PIN/2.5mm
XP4
9PIN/2.5mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
R49 10R49 10
C94
4.
7uF/10V/Y5V
C94
4.
7uF/10V/Y5V
Q217
NC/P_AP2305
Q217
NC/P_AP2305
G
DS
C359
2.2uF/10V/Y5V
C359
2.2uF/10V/Y5V
R23 10R23 10
R187
2K
R187
2K
R294 1KR294 1K
R141
15K/1%
R141
15K/1%
Q15
NPN_3DG3904M
Q15
NPN_3DG3904M
C80 10uF/10V/Y5VC80 10uF/10V/Y5V
R178
4.7K
R178
4.7K
R304
10K
R304
10K
C399
10uF/
10V/Y5V
C399
10uF/
10V/Y5V
FB4 300/2AFB4 300/2A
C78
0.1uF/
16V/Y5V
C78
0.1uF/
16V/Y5V
R39 15K/1%R39 15K/1%
C7
2
10uF/
10V/Y5V
C7
2
10uF/
10V/Y5V
Q5
NP
N_3DG3904M
Q5
NP
N_3DG3904M
R77 100KR77 100K
C12
0.1uF/16V/Y5V
C12
0.1uF/16V/Y5V
C155
0.1uF/
25V/Y5V
C155
0.1uF/
25V/Y5V
R297
10K
R297
10K
C340
0.1uF/
16V/Y5V
C340
0.1uF/
16V/Y5V
R182
6.8K
R182
6.8K
R298
1K
R298
1K
U8
AT
1526
U8
AT
1526
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
TP
9
C67
10uF/10V/
Y5V
C67
10uF/10V/
Y5V
R174
2K
R174
2K
C81
0.1uF/
16V/Y5V
C81
0.1uF/
16V/Y5V
R94
100K
R94
100K
FB25 0FB25 0
C392
0.1uF/16V/Y5V
C392
0.1uF/16V/Y5V
C156
0.1uF/
25V/Y5V
C156
0.1uF/
25V/Y5V
C87
0.01uF/50V/Y5V
C87
0.01uF/50V/Y5V
Q14
N
P
N_3DG3904M
Q14
N
P
N_3DG3904M
R179
NC/10K
R179
NC/10K
C229
4.7uF/10V/Y5V
C229
4.7uF/10V/Y5V
U11
AT1526
U11
AT1526
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
TP
9
R78
22K/1%
R78
22K/1%
7-11 7-11
Main & In & NFC Board Circuit Diagram:POWER SOURCE
Harman Kardon
BDS 280 + 580 Service Manual
Page 48 of 87