Harman Kardon ONYX STUDIO 4 - Page 16

7-6
1
Circuit Diagram:Main board & CN board
A B
Dynamic Pressure Detection Circuit
C170 68pF/50V/NP0
V_Bias1
C D E
R177
10
woofer_L
woofer_L
C171
2.2UF/10V/X5R
R180 10K/1%
R178
10K/1%
C172 2.2UF/10V/X5R
R179
10K/1%
0
V_Bias1
R181
V_Bias1
1
R182 10K/1%
U10
TP2412
VDD_3V3
D9
U11
TP2412
1N4148WS
VDD_3V3
woofer_L
10K/1%
D10
1N4148WS
C173 2.2UF/10V/X5R
U12
VDD_3V3
R183
100K/1%
VDD_3V3
1
VDD_3V3
C174
10UF/6.3V/X5R
C175
C176
10UF/6.3V/X5R
TP2412
C179
VDD_3V3
R187
0/1%
R188
0/1%
R336
0/1%
Audio_Detection_CTL
R191
V_Bias1
R189 10K/1%
100nF/25V/X5R C178
100nF/25V/X5R
10UF/6.3V/X5R
C180
100nF/25V/X5R
C177
10UF/6.3V/X5R
R190
0/1%
1K/1%
V_Bias1
R192
1K/1%
10
Tweeter_R
Tweeter_R C181 R193 10K/1% C182 2.2UF/10V/X5R R196 V_Bias2
2.2UF/10V/X5R
R197 10K/1%
C192
68pF/50V/NP0
V_Bias1
R194
10K/1%
D11
1N4148WS
Tweeter_R
C183 2.2UF/10V/X5R
R199
10K/1%
V_Bias1
D12
1N4148WS
R195
1M/1%
1K/1%
C188 C191
C189 C184
R198
1K/1%
C185 C186
10
Tweeter_L
Tweeter_L
2.2UF/10V/X5R
C194
R204 10K/1%
C193
68pF/50V/NP0
R202
10K/1%
V_Bias2
2.2UF/10V/X5R
C195
R203
10K/1%
V_Bias2
R205
IO Expender
2
V_Bias2
R206 10K/1%
D13
1N4148WS
Tweeter_L
2.2UF/10V/X5R
C196
10K/1%
D14
1N4148WS
2
SYS_3V3
U13
TP2412
VDD_3V3
U14
TP2412
C200
VDD_3V3
U15
TP2412
VDD_3V3
10
woofer_R
V_Bias2
woofer_R
R214 10K/1%
C198
C199
100nF/25V/X5R
C204
10UF/6.3V/X5R
C197
100nF/25V/X5R
C201
10UF/6.3V/X5R
C202
100nF/25V/X5R
U16
R216
R217
SYS_3V3
C203
2.2UF/10V/X5R
R215 10K/1%
R219 10K/1%
C207
2.2UF/10V/X5R
V_Bias2
R220
10K/1%
D15
1N4148WS
woofer_R
C205
2.2UF/10V/X5R
R222
10K/1%
D16
1N4148WS
7
IO_INT
7
IO_RESET
IO_INT
A1_1
IO_RESET
R223 1K
1
/INT
2
A1
3
/RESET
Vcc
24
SDA
23
SCL
22
NC/4.7K
I2C_SDA
I2C_SCL
NC/4.7K
C208
I2C_SDA
7,9
I2C_SCL
7,9
FB6
C206
10Ω
68pF/50V/NP0
V_Bias2
100pF/50V/NP0
C209
4
P00
A0
21
A0_1
7 PHONE_LED_CTL
PHONE_LED_CTL
5
P01
6
P02
P17
20
PHONE_KEY 7
P16
19
BLUE_KEY 7
7 POWER_R_LED_CTL
POWER_R_LED_CTL
6 DSP_PDN
7
P03
8
P04
P15
18
LINK_KEY 7
P14
17
VOL_KEY+ 7
6
CSN_CAD_MATSEL
9
P05 P13
16
VOL_KEY- 7
3
Logic Control
TP40
TP27
10
P06
11
P07
12
GND
P12
15
P11
14
P10
13
TP52
TP53
TP54
SYS_3V3
D17
STB_3V3
STB_3V3
I2C ADDRESS
NC/MBRX140/40V/1A
R230
10K
C210
C211
R232
NC/10K
R233
NC/10K
7 Power_KEY
4 DC_Bias
Power_KEY
DC_Bias
TP29
TP31
TP33
100nF/25V/X5R10UF/6.3V/X5R
R235 100
U17
1
VDD
2
Power Key
3
Audio out
5V_DET
14
NC
13
NC
12
TP28
DC_DET
TP30
TP32
TP34
DC_DET
5,7
7
Power_On_Off
Power_On_Off
TP35
R238 100
4
Power_On_Off VREG_EN
11
R239 100
TP36
TP38
VREG_EN
VREG_EN
7
7
Power_Off_Ready
Power_Off_Ready
TP37
R243
NC/10K
R240 1K
Audio_Detection_CTL
5
Power_Off_Ready
6
Audio_Input
7
ext Vref 367mV
SLG4V4826
R244 10K/1%
NC
10
Power On
9
GND
8
R245 0/1%
R242 100 Power_ON
Power_ON
4
R246 22K/1% R247 2.4K/1%
VDD_3V3
A B C D E
100pF/50V/NP0 C213 100pF/50V/NP0 C212
5 6 7 8
4 3 2 1
5 6 7 8
4 3 2 1
+IN B V- -IN B +IN A OUT B -IN A
+IN B -IN B
V-
+IN A
OUT B -IN A
V+
OUT A
V+
OUT A
10UF/6.3V/X5R
5 6 7 8
4 3 2 1
5 6 7 8
4 3 2 1
+IN B -IN B
V-
+IN A
+IN B -IN B
V-
+IN A
OUT B -IN A
OUT B -IN A
V+
OUT A
V+
OUT A
5 6 7 8
4 3 2 1
5 6 7 8
4 3 2 1
+IN B -IN B
V-
+IN A
+IN B -IN B
V-
+IN A
OUT B -IN A V+ OUT A
OUT B -IN A
V+
OUT A
R211
R212
R213
R327 R332
4.7K
A1_1
10K
4.7K
NC/10K
NC/10K
10UF/6.3V/X5R
C187
100nF/25V/X5R
C190
100nF/25V/X5R
TCA1116
10UF/6.3V/X5R
10UF/6.3V/X5R
100nF/25V/X5R
100nF/25V/X5R
10UF/6.3V/X5R
3
4
4
0UF/
6.3V/X
5R
100nF