ViewSonic N3252w-1M Service Manual page 87

8.21. Audio ADC
AUDIO ADC
ADCVA
VCC
L179 R121/0603 ADCVA L180
C634 C635
+ +
10U/50V 10U/50V
ADCVA ADCVA
C642 C643
0.1U 0.1U
C645
AUINL R379 10K C646
10U/50V
R380
5.1K
C649
AUINR R385 10K C650
10U/50V
R386
5.1K
ADCM0
AOMCLK R388 33
ADCVL
ADIN R389 33
ADCVL
AOBCLK R390 33
AOLRCK R391 33
R392
PULL DOWN FOR LJ
(NC)10K
ViewSonic Corporation
ADCVD DV33B
R121/0603 ADCVD L181
C637 C638 C639 C636
+
0.1U 1U 0.1U 100U/16V
R373 634 1%
C644 470P
ADCVA
R374
I135A
100K
2
R378
1
4.7U/50V
3
NJM4558 OPA
R381
100K
ADCVA
R382 634 1%
C648 470P
ADCVA
R383
I135B
100K
6
R384
7
4.7U/50V
5
NJM4558 OPA
R387
100K
ADCVA
I136
ADCM1
1 16
M0 M1
2 15
MCLK FILT+
3 14
VL REF_GND
ADCVL
4 13
SDOUT VA
A_IN_R
5 12
GND AINR
6 11
VD VQ
A_IN_L
7 10
SCLK AINL
8 9 ADCRST_1
LRCK RST#
AD12250
TSSOP16
84
N3252w-1M
Confidential - Do Not Copy
ADCVL
R121/0603 ADCVL
C640 C641
1U 0.1U R492 0
ERO3_GPIO ADCRST_1
90.9 1% A_IN_L
AOMCLK
C647
2200P
90.9 1% A_IN_R
C651
2200P
VCC
C653 + C652
47U/16V
0.1U VCC DV33B
GNDA
C654 C655
0.1U 1U
ADCVL ADCVL ADCVL
R367 R368 R369
10K 10K 10K
ADCM0 ADCM1
R370 R371 R372
(NC)10K (NC)10K (NC)10K
ADCVL ADCVL ADCVL
R375 R376 R377
(NC)10K (NC)10K (NC)10K
AOBCLK AOLRCK
ERO3_GPIO ERO3_GPIO 3
AUINL AUINL
AUINR AUINR
AOMCLK AOMCLK
AOBCLK AOBCLK
AOLRCK AOLRCK
ADIN ADIN
DV33B
20
20
3,22
3,22
3,22
3