Polk Mono React Service Manual page 23

SCH15_MIC01
MIC&ADC
MIC1_BIAS1
U13
MSM381A3526Z9BMC
C165
5 1 R203
VDD OUT
ESD8 ESD9
4 2
C170
GND GND
R204
C171 NC/15pF/50V/NP0
MIC2_BIAS1
U15
MSM381A3526Z9BMC
C175 NC/15pF/50V/NP0
5 1
R213 51
VDD OUT
ESD10 ESD11
4 2 C181
GND GND
R215 51
C182 NC/15pF/50V/NP0
MIC3_BIAS1
U17
MSM381A3526Z9BMC
C190 NC/15pF/50V/NP0
5 1 R221 51
VDD OUT
ESD15 ESD16
4 2 C193
GND GND
R222 51
C197 NC/15pF/50V/NP0
A A
MIC4_BIAS1
U19
MSM381A3526Z9BMC
C202 NC/15pF/50V/NP0
5 1 R233 51
VDD OUT
ESD17 ESD18
4 2
C206
GND GND
R237 51
C208 NC/15pF/50V/NP0
A A
MIC1_BIAS MIC1_BIAS1 MIC2_BIAS MIC2_BIAS1 MIC3_BIAS
Q10 Q11
PNP_3CG3906M PNP_3CG3906M
R248
10K
R250
10K
MBIAS_MIC_CON
Act_KEY
SW3
1 2
4 3
ESD19
TVAF27-N-R
NC/15pF/50V/NP0
DIR1_P
51 C166 1uF/6.3V/X5R
R496 NC/0
C168
A D C M C L K 可 可 可可 可B C L K 转 转
47nF/10V/X5R
DIR1_M
51 C169 1uF/6.3V/X5R
MIC_BCLK1
MIC_LRCLK1
MIC_DATE1
MIC1_BIAS
MIC_REST1
R206 100
R207 100
DIR1_M
C172
C173
NC/100nF/6.3V/X5R 0.1uF/16V/X7R
DIR1_P
DIR2_P
C176 1uF/6.3V/X5R
C178
I2C ADDRESS:0x18
47nF/10V/X5R
C179 1uF/6.3V/X5R DIR2_M
R216 0Ω/0402
DIR3_P
C191 1uF/6.3V/X5R
MIC_MCLK1
C194
47nF/10V/X5R
DIR3_M
C195 1uF/6.3V/X5R
MIC_BCLK1
MIC_LRCLK1
MIC3_BIAS MIC_DATE1
MIC_REST1
R223 100
R225 100
DIR3_M
C200
C198
0.1uF/16V/X7R
NC/100nF/6.3V/X5R
A
DIR3_P
C203 1uF/6.3V/X5R DIR4_P
C205
47nF/10V/X5R
I2C ADDRESS:0x19
DIR4_M
C207 1uF/6.3V/X5R
R242 0Ω/0402
A
MIC3_BIAS1 MIC4_BIAS MIC4_BIAS1
Q13 Q14
PNP_3CG3906M PNP_3CG3906M
R249 R251
10K 10K
Mut_KEY
V+_KEY
SW4
1 2
4 3
ESD20
TVAF27-N-R
D1V8 D1V8
C161 1uF/6.3V/X5R C162 1uF/6.3V/X5R
C163
100nF/6.3V/X5R C164 100nF/6.3V/X5R
MIC_MCLK1
I2C1_SDA_MIC
1 18
BCLK SDA
2 17 I2C1_SCL_MIC
U14
WCLK SCL
3 16 MIC2_BIAS
DOUT ADR1
4 15
RESER ADR0
5 14 R208 100
BIAS1 BIAS2
6 13 DIR2_M
IN3L(M) IN3R(M)
C174
25
AVSS_1
NC/100nF/6.3V/X5R
TLV320ADC3101IRGER
DIR2_P
A3V3
C185 C180
1uF/6.3V/X5R
MIC_3V3
A3V3
R218 0
MIC_1V8
D1V8
D1V8 D1V8
R220 0
C186 1uF/6.3V/X5R C187 1uF/6.3V/X5R
C188
100nF/6.3V/X5R C189 100nF/6.3V/X5R
1 18 I2C1_SDA_MIC
BCLK SDA
2 U18 17 I2C1_SCL_MIC D1V8 MIC4_BIAS
WCLK SCL
3 16
DOUT ADR1
4 15 R224 10KΩ
RESER ADR0
5 14
R226 100
BIAS1 BIAS2
6 13 DIR4_M
IN3L(M) IN3R(M)
C201
25
AVSS_1
NC/100nF/6.3V/X5R
TLV320ADC3101IRGER
DIR4_P
A A
A3V3
C210
1uF/6.3V/X5R
A A A
MIC_5V
LED3 RED
R243 470 R244 470
Q15
LED4 RED
PNP_3CG3906M
R245 470
R246 47K
R247
2.2K
R253
LED_MIC_CON R252 10K Q16 MBIAS_MIC_CON 4.7K
3DG3904M
R255
R254
2.2K/1%
47K
SW5 V-_KEY SW2
1 2 1
ESD21
4 3 ESD22 4
TVAF27-N-R TVAF27-N-R
23
R501
ALS
NC/0
R502
MIC_3V3
NC/0
R205
22
R503
NC/0
R209
A
LOW:0X44
NC/4.7K
U16
HIGH:0X45
R504
3 4
NC /INT
1 6
NC/0 VDD SDA
A 2 5
C183 C184 GND SCL
ESD12
HX3203
U20
3 4
NC /INT
1 6
VDD SDA
C229
2 5
GND SCL
NC/HX3203
TO main Board
MIC_3V3
MIC_1V8
C199 C196
0.1uF/16V/X7R 0.1uF/16V/X7R
1
2
3
4
5
R228 0
6 R227 0
7
8 R229 0
9
R230 0
10
11 R231 0
12
13
R232 0
14 R234 0
15 R235 0
16 R236 0
17
18 R238 0
19 R239 0
20 R240 0
21
R241 0
22
23
24
24PIN/0.5mm
XP15
01UI2CC1-SK30181
D1V8
MIC_3V3
RAB2
RAB1
NC/4.7K NC/4.7K
QAB1
I2C1_SCL_TA
D S
QAB2
I2C1_SDA_TA N_2SK3018
D S
N_2SK3018
Q17
3DG3904M
2
3
R210
R211
NC/4.7K
NC/4.7K
ALS_MIC_INT
I2C1_SDA_TA
I2C1_SCL_TA
ESD13 ESD14
I2C1_SCL_TA
I2C1_SDA_TA
MIC_DATE1
MIC_LRCLK1
MIC_BCLK1
V+_KEY
V-_KEY
Act_KEY
Mut_KEY
LED_MIC_CON
MBIAS_MIC_CON
ALS_MIC_INT
MIC_REST1
MIC_5V
C224
0.1uF/16V/X7R
RAB3 RAB4
4.7K 4.7K
I2C1_SCL_MIC
I2C1_SDA_MIC