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C222
C222
1u
WM_HPH_R
C224
1u
WM_HPH_L
C225
1u
WM_RXP
C226
1u
WM_RXN
C224
WM_MIC1N
WM_MIC1P
WM_MIC2N
WM_MIC2P
WM_MICBIAS
C234
4.7u
AU_19.2M
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U202
C222
WM_DVDD
A2
LINE1
A1
LINE2
B1
RXP
C2
RXN
A3
U202
ACIN
B3
ACOP
WM8753LEB-RV
D2
MIC1N
C1
MIC1
E2
MIC2N
D1
MIC2
B4
MICBIAS
C235
C236
4.7u
4.7u
WM_AVDD
WM_DVDD
Schematic of voice path
- 131 -
4. TROUBLE SHOOTING
C224
WM_AVDD
LOUT1
U202
MONO2
MONO1
ROUT1
LOUT2
ROUT2
E9
OUT4
E8
OUT3
D8
1u
C229
B7
WM_MONO2
1u
C230
B6
WM_MONO1
D9
WM_ROUT1
A9
WM_LOUT2
B9
WM_ROUT2
100K
R213
100K R214
100K
R215
LGE Internal Use Only
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