Read Harman Kardon ONYX STUDIO 3 (serv.man2) Service Manual online
3.3-4.2V
LM_ISENB
BOOST_FB
LM_ISENB
AMP_PWR_CTRL
VOL_KEY+
BLUE_KEY
HAND_RESET
HAND_RESET
VOL_KEY-
AMP_PWR_CTRL
POWER_KEY
VDD_3V3
Vout_11V
Vout_11V
Vout_11V
Vout_11V
BAT
AMP_11V_18V
SYS_3V3
DC_IN_19V
BAT
BAT
VSYS
DC_IN_19V
SYS_3V3
POWER_ON/OFF_CTRL
7
AMP_PWR_CTRL 7
SHUTDOWN_BOOST
7
VOL_KEY-
7
VOL_KEY+
7
BLUE_KEY
7
POW_ON/OFF
7
POWER_KEY
7
L8
6.8uH/10A
L8
6.8uH/10A
C221
0.1uF/16V/X7R
C221
0.1uF/16V/X7R
Q17
NPN_3DG3904M
Q17
NPN_3DG3904M
C
6
6
N
C
/5600pF/
50V/
X7R
C
6
6
N
C
/5600pF/
50V/
X7R
TP6
TP6
C7
7
7
47nF/
25V/
KBX
C7
7
7
47nF/
25V/
KBX
C129
10UF/6.3V/X5R
C129
10UF/6.3V/X5R
Q15
NPN_3DG3904M
Q15
NPN_3DG3904M
R68
0
R68
0
R790
100K
R790
100K
C73
0.
1uF/
50V/
X7R
C73
0.
1uF/
50V/
X7R
R62
39K/1%
R62
39K/1%
R186
100K
R186
100K
C90
100nF/25V/X5R
C90
100nF/25V/X5R
R74
10K
10K
R74
10K
10K
R71
5.1K
R71
5.1K
C
268
22uF/
25V/
X5R
C
268
22uF/
25V/
X5R
FB21 300/3A
FB21 300/3A
TP4
TP4
C
241
4.
7uF/
25V/
X5R
C
241
4.
7uF/
25V/
X5R
R80
39K/
1%
R80
39K/
1%
R
375
N
C
/47K
R
375
N
C
/47K
R59
2.2
R59
2.2
C353
10U
F/
6.
3V/
X5R
X5R
C353
10U
F/
6.
3V/
X5R
X5R
C
3
8
N
C
/100nF/
25V/
X5R
C
3
8
N
C
/100nF/
25V/
X5R
C219
0.1uF/16V/X7R
C219
0.1uF/16V/X7R
TP5
TP5
R95
10
R95
10
Q26
P_AP2309
Q26
P_AP2309
G
D
S
C
252
4.
7uF/
25V/
X5R
C
252
4.
7uF/
25V/
X5R
R
7
2
300K/
1%
R
7
2
300K/
1%
R67
NC/30K/1%
R67
NC/30K/1%
C
3
7
100nF/
25V/
X5R
C
3
7
100nF/
25V/
X5R
R
130
100K/
1%
R
130
100K/
1%
D9
SVM1045V
D9
SVM1045V
1
2
3
R81
0.02/1%
R81
0.02/1%
C71
1000pF/50V/X7R
C71
1000pF/50V/X7R
R138
22K/1%
R138
22K/1%
R82
100K
100K
R82
100K
100K
C354
10U
F/
6.
3V/
X5R
X5R
C354
10U
F/
6.
3V/
X5R
X5R
C108
1F/
50V/
X7R
C108
1F/
50V/
X7R
R
146
10
R
146
10
R
66
100K
R
66
100K
R79
0.02/1%
R79
0.02/1%
R14
10K
R14
10K
Q4
N
P
N
_3D
G
3904M
Q4
N
P
N
_3D
G
3904M
D27
1N4148WS
D27
1N4148WS
C107 NC/100nF/25V/X5R
C107 NC/100nF/25V/X5R
C74
2200pF/50V/X7R
C74
2200pF/50V/X7R
C
6
8
0
.1uF/
16V/
X7R
C
6
8
0
.1uF/
16V/
X7R
R84
100
R84
100
R
804
15K/
1%
R
804
15K/
1%
R65
NC/56
R65
NC/56
C
5
0
0
.1uF/
50V/
X7R
C
5
0
0
.1uF/
50V/
X7R
R28
680K
R28
680K
Q29
N_2SK3018
Q29
N_2SK3018
G
D
S
R124
47K
47K
R124
47K
47K
TP8
TP8
TP1
TP1
Q16
AP92U03GM-HF
Q16
AP92U03GM-HF
G
4
D
7
S
2
S
1
S
3
D
8
D
6
5
D
C
257
470nF
C
257
470nF
C
1
6
4700pF/
50V/
X7R
C
1
6
4700pF/
50V/
X7R
R96
1K
R96
1K
C
3
3
0
.1uF/
50V/
X7R
C
3
3
0
.1uF/
50V/
X7R
R178
NC/10K
R178
NC/10K
R125
0
R125
0
R140
1K
1K
R140
1K
1K
Q25
N
C
/N
P
N
_3D
G
3904M
Q25
N
C
/N
P
N
_3D
G
3904M
Q18
NPN_3DG3904M
Q18
NPN_3DG3904M
R368
NC/1K
R368
NC/1K
TP3
TP3
C
7
6
0
.1uF/
16V/
X7R
C
7
6
0
.1uF/
16V/
X7R
C130
10UF/6.3V/X5R
C130
10UF/6.3V/X5R
C
106
1uF/
10V/
X5R
C
106
1uF/
10V/
X5R
R90
NC/4.7K
R90
NC/4.7K
L14
10uH/1.6A
L14
10uH/1.6A
C67
0.
1uF/
50V/
X7R
C67
0.
1uF/
50V/
X7R
R73
47K
R73
47K
C34
1uF/
10V/
X5R
C34
1uF/
10V/
X5R
R24
100K
R24
100K
R85
10K
R85
10K
R102
100K
R102
100K
Q8
NC/PNP_MMBT8550CLT1
Q8
NC/PNP_MMBT8550CLT1
C65
470nF
C65
470nF
C
7
0
1
F/
50V/
50V/
X7R
C
7
0
1
F/
50V/
50V/
X7R
R3
2
2
1
M
R3
2
2
1
M
C
7
5
2200pF/
50V/
X7R
C
7
5
2200pF/
50V/
X7R
C72
0.1uF/16V/X7R
0.1uF/16V/X7R
C72
0.1uF/16V/X7R
0.1uF/16V/X7R
R70
82K/1%
R70
82K/1%
U13
SY8213
SY8213
U13
SY8213
SY8213
BS
1
SS
4
LX
2
FB
5
VCC
6
EN
3
SVIN
7
PVIN
8
GND
9
FB22 300/3A
FB22 300/3A
D3 SK56/60V/5A
D3 SK56/60V/5A
C
186
100nF/
25V/
X5R
C
186
100nF/
25V/
X5R
C
311
N
C
/0.
1uF/
16V/
X7R
C
311
N
C
/0.
1uF/
16V/
X7R
C
6
9
100nF/
25V/
X5R
C
6
9
100nF/
25V/
X5R
C
5
3
0
.1uF/
16V/
X7R
C
5
3
0
.1uF/
16V/
X7R
C80
100nF/
25V/
X5R
C80
100nF/
25V/
X5R
C273
N
C
/22uF/
10V/
X5R
C273
N
C
/22uF/
10V/
X5R
U9
AP4435GM
U9
AP4435GM
S1
1
S3
2
S2
3
G1
4
D4
5
D3
6
D2
7
D1
8
R793
0
R793
0
C267
2.2UF
C267
2.2UF
+
CE4
220uF/25V/SMD
+
CE4
220uF/25V/SMD
C60
100nF/25V/X5R
C60
100nF/25V/X5R
R789
100K
R789
100K
R145
0
R145
0
R83
100K
R83
100K
R
69
47K
R
69
47K
TP7
TP7
U5
LM3481
U5
LM3481
ISEN
1
UVLO
2
COMP
3
FB
4
AGND
5
FA/SYNC/SD
6
FGND
7
DR
8
VCC
9
VIN
10
+
CE3
220uF/
6.
3V/
SM
D
SM
D
+
CE3
220uF/
6.
3V/
SM
D
SM
D
C79
NC/330pF/50V/NP0
C79
NC/330pF/50V/NP0
R788
100K
R788
100K
D7
BAT54C
D7
BAT54C
1
3
2
8
-2
Circuit Diagram - Main Board & CN board
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