LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
- 73 -
Figure . Audio part schematics
IN 1,2
EUSY0300101
SELECT_SPK&RCV
0
1
NO 1,2
ON
NC 1,2
ON
OFF
OFF
FB402
15p
C438
DNI
C440
12
R411
VREG_5V
DNI
C439
C441
15p
U401
COM1
3
COM2
9
6
GND
4
IN1
8
IN2
NC1
5
7
NC2
2
NO1
10
NO2
VCC
1
NLAS5223BMNR2G
FB403
0.1u
C437
R412
12
SPK_RCV-
SPK_OUT-
RCV_EN
RCV-
RCV+
CAM / HP MIC SEL
C453
NO
2
VCC
0.1u
U405
NLAST4599DFT2G
5
COM
3
GND
1
IN
NC
4
6
C459
10p
VREG_MSMP_2.7V
MID_MICP
EAR_MIC_P
EAR_SENSE_N
CAM_MIC_RIGHT