Harman Kardon ONYX STUDIO 4 - Page 15

7-5
Mic Circuit(Close To BT Modle Circuit)
R137 1K
MIC_BIAS
R140
C120
2.2UF
2.2K
MIC_A
3.9nH/400mA
L5
MIC 1
C127
0.1uF/16V/X7R
2
1
2
XP1
TP15
C129
15pF/50V/NP0
C130
15pF/50V/NP0
C131
15pF/50V/NP0
ESD1
LVE16Y1R0
Power_Off_Ready
Power_Off_Ready
Power_On_Off
Power_On_Off
8
8
SHUTDOWN_BOOST
POWER_ON/OFF_DAC
SHUTDOWN_BOOST
POWER_ON/OFF_DAC
AMP_PWR_CTRL
AMP_PWR_CTRL
4
4
4
POWER_KEY
BLUE_KEY
VOL_KEY-
VOL_KEY+
LINK_KEY
PHONE_KEY
POWER_KEY
BLUE_KEY
VOL_KEY-
VOL_KEY+
LINK_KEY
PHONE_KEY
DC_DET
DC_DET
BAT_DET
BAT_DET
8
8
8
8
8
8
5,8
5
CHG_status
CHG_status
5
AUX_IN_L
AUX_IN_L
AUX_IN_R
AUX_IN_R
MIC_LP
MIC_LP
MIC_LN
MIC_LN
MIC_RP
MIC_RP
MIC_RN
MIC_RN
AUX_IN_DET
AUX_IN_DET
6
6
6
6
6
6
6
PCM5121_MUTE
PCM5121_MUTE
9
I2S1_DATA_IN
I2S1_DATA_IN
I2S1_LRCLK
I2S1_LRCLK
I2S1_DATA_OUT
I2S1_DATA_OUT
I2S1_BCLK
I2S1_BCLK
MUTE
MUTE
MUTE
MUTE
6
6,9
6
6,9
10,7,9
10,7,9
I2C_SDA
I2C_SCL
I2C_SDA
I2C_SCL
8,9
8,9
IO_INT
IO_INT
IO_RESET
IO_RESET
8
8
LED
BT_LED_CTL
R171 0
POWER_W_LED_CTL R173 0
LINK_LED_CTL
R174 0
BT_LED
POWER_W_LED
LINK_LED
R175 NC/0
POWER_R_LED
8 POWER_R_LED_CTL
POWER_R_LED_CTL
R170
4.7K
Q19
R151 NPN_3DG3904M
47K
R236 NC/0
PHONE_LED
8 PHONE_LED_CTL
PHONE_LED_CTL
Q20
R210
4.7K
R176 NPN_3DG3904M
47K
SPI_CLK1
3
1
NC/15pF/50V/NP0
C161
NC/15pF/50V/NP0
C162
10UF/6.3V/X5RC123
GPIO11 I2S2_DATA IN I2S2_DATA OUT GPIO14 GPIO15 GPIO16 GPIO17 GPIO18 GPIO19 GPIO20 GPIO21 GND GPIO22 GPIO23 GPIO24
S
15pF/50V/NP0 15pF/50V/NP0
LVSL10180Z020
LVSL10180Z020
GND GND
MIC_LN
61
6
2
6
Circuit Diagram:Main board & CN board
A B C D E
BT_1.8V
R136 0
VDD_MEM SYS_3V3
(: XKYKZ
SYS_3V3
SYS_3V3
1
L4 400/200mA
TP14
VCC_BT
C124 C125
VREG_EN
R141 C126
R138
NC/100K
Q15
G
NC/N_2SK3018
C122
NC//0.22µF
R142
NC/470K/1%
R139
100K/1% RST1
REST
1
C128
1uF/10V/X5R
J1
SMA_VER
1
R143 0
C132 C133
KEY &LED Connect
D
SYS_3V3
L6 220/500mA
D
C134
0.1uF/16V/X7R
2
U9
BM875H
1
R144
R145
1K1K
C135
15pF/50V/NP0
63
MIC_BIAS
C146
2.2UF
MIC_A
LINK_KEY
BLUE_KEY
PHONE_KEY
VOL_KEY-
VOL_KEY+
POWER_KEY
BT_LED
PHONE_LED
POWER_W_LED
POWER_R_LED
SYS_3V3
1
1
2
2
3
3
4
4
5
5
7
7
8
8
9
9
10
10
11
11
12
12
BAT_DET
2
AIO0 MIC_LP
62
C136 10UF/6.3V/X5R LINK_LED
13
13
I2S1_BCLK R152 33
3
AIO1
4
GND
C137 10UF/6.3V/X5R
MIC_RP
60
C138 NC//10UF/6.3V/X5R
SYS_3V3
14
14
15
15
I2S1_LRCLK R153 33
5
I2S1_BCLK
MIC_RN
59
C147
NC//10UF/6.3V/X5R
I2S1_DATA_OUT R154 33
6
I2S1_LRCLK GND
58
R155 NC/33 DC_DET
I2S1_DATA_IN R156 33
7
I2S1_DATAOUT GPIO32
57
TP39
NC/15pF/50V/NP0
8
I2S1_DATA IN
GPIO31
56 VREG_EN
C152
15pF/50V/NP0
C154
C153
SPI_CLK
SPI_MISO
SPI_CSB
SPI_MOSI
9
GND
10
SPI_CLK
11
SPI_MISO
12
SPI_CSB
GPIO30
55 R157 0
V5.0
54
CHG_EXT
53
VBAT_SENSE
52
USB_5V
VCC_BT
VREG_EN
8
XP2
15PIN/0.5mm
15pF/50V/NP0
13
SPI_MOSI VBAT
51
BT_1.8V
SYS_3V3
REST R158 1K
14
GND
15
REST
1V8_OUT
50 VDD_MEM C155
VDD_MEM
49
C156 C157 CN Connect
R160 R161
TP17
TP18
POWER_W_LED_CTL
BT_LED_CTL
16
UART_RTS
17
UART_CTS
18
UART_RX
19
UART_TX
20
LED0
VDD_PADS
48
GND
47
USB_D-
46
USB_D+
45
GND
44 R163 33
NC/0.1uF/16V/X7R
Power_Off_Ready
R159 220/500mA
R162 220/500mA
USB_D-
USB_D+
DC_IN_19V
C158 NC/0.1uF/16V/X7R
C1590.1uF/16V/X7R 1
4.7K 4.7K LINK_LED_CTL
21
LED1
I2S2_BCLK
43 R164 33
Power_On_Off C160 R1652.2 2
1
I2C_SDA
I2C_SCL
GPIO8
I2C_SDA R166 33
I2C_SCL R167 33
22
LED2
23
GPIO8
24
I2C SDA
I2C SCL
I2S2_LRCLK
42
GPIO27
41
GPIO26
40
GPIO25
USB_D+
USB_D-
1000pF/50V/X7R 3
2
4
3
5
4
6
5
USB_5V 7
6
C165 C166 AUX_IN_L
AUX_IN_R
C167 C168
8
7
9
8
10
9
10
XS1
3
AMP_PWR_CTRL
R331
33
100pF/
0pF/50V/NP0 10PIN/2.0mm
3
TP51
POWER_ON/OFF_DAC
AMP_PWR_CTRL
MUTE
BT Debug
SYS_3V3
SYS_3V1 1
GND1
2
SPI_MOSI
SPI_MISO
SPI_CSB
SPI_MOSI1
4
SPI_MISO1
5
SPI_CSB1
6
XP3
6PIN/2.0mm
4 4
A B C D E
SPI_CLK
1
2
3
4
5
6
NC//1uF/10V/X5R
NC/15pF/50V/NP0
C169 NC//15pF/50V/NP0
NC//470K/1%
NC/15pF/50V/NP0
0.1uF/16V/X7R
15pF/50V/NP0
4 3 2
4 3 2
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
78 77 76 75 74 73 72 71 70 69 68 67 66 65 64
GND
VDD_3V3
GPIO34 GPIO33
GND
RF_IN
GND GND
SPK_RP
SPK_RN
SPK_LP
SPK_LN
GND
MIC_BIAS_A
MIC_BISA_B
CHG_status 33 R330
IO_RESET 33 R169
IO_INT AUX_IN_DET POWER_ON/OFF_DAC MUTE PCM5121_MUTE
SHUTDOWN_BOOST DC_DET
GPIO21
GPIO8 GPIO21
D
MIC_RP
MIC_RN MIC_LP MIC_LN
NC/15pF/50V/NP0
C163
C164
NC/15pF/50V/NP0
C139
100pF/50V/NP0
C148
10K
R146
10K
R147
10K
R148
10K
R149
10K
R150
100pF/50V/NP0
C140
100pF/50V/NP0
C141
100pF/50V/NP0
C149
100pF/50V/NP0
C142
100pF/50V/NP0
C143
100pF/50V/NP0
C150
100pF/50V/NP0
C144
100pF/50V/NP0
C151
100pF/50V/NP0
C145
100pF/50V/NP0
18 19
16 17
GND GND
3 4
GND GND
50V
/NP0
10