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3. TECHNICAL BRIEF
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REV_B
AUDIO
SELECT_SPK&RCV
R422 10
R42110
VA412EVL14K02200
VA414EVL14K02200
3
COM1
9
COM2
6
GND
IN1
4
IN2
8
5
NC1
NC2
7
NO1
2
NO2
101
VCC
U401
NLAS5223BMNR2G
0.01u
C410
SPK_RCV+
RCV_EN_NSPK_RCV-
RCV-
RCV+
SPK-
SPK++VPWR
REV_B : EDTY0008606 --> EDTY0008601
MIC
REV_B : SUMY0010301 --> SUMY0003802
C421 39p
C420 39p
C419 0.1u
D403
PSD05-LF
INSTPAR
PSD05-LF
D404
INSTPAR
2.2K
R424
47p
C417
R425 2.2K
1
2
OB4-15L42-C33L
MIC400
C418 0.1u
10u
C416
MICBIAS
MIC1P
MIC1N
Figure 1.27 Audio part schematics