LG KG920 - Page 110

4. TROUBLE SHOOTING
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CIRCUIT
FB602
4.7u
C617
VBAT
100K R609
2V8_VEXT
C618
FB603
470p
BYP
6
EN
1
2
GND
3
IN
5
NC
OUT
4
PGND
7
U603
MIC5219-2.8YML
10u
C615
10u
C614
27p
C619C616
27p
2V8_M3M 2V8_MM
Figure 4-63.
Figure 4-64.
M3MOM POWER SUPPLY
(SLPH1)(SLPH0)
(SLPH3)
(SLPH4)
Change To MIC2211-NSYML
VBAT
1u
C114
2V8_CAM
1V8_M3M
11
BGND
BYP
4
2
EN1
3
EN2
GND
6
NC1
5
7
NC2
NC3
8
VIN
1
VOUT1
10
9
VOUT2
3V3_M3M
MIC2211-MSYMLU100
4.7u
C116
27p
C128
1V8_M3M
R126 100K
2V8_M3M_CORE
C126
27p27p
1V8_M3M_CORE
C127
2V8_M3M
Q100
D
G
S
SI1305-E3
R127 100K
1u
C113
R124
100K
SI1305-E3
D
G
S
Q101
R125 100K
2V8_M3M
0.01u
C117
CAM_PWREN
3V3_M3M_PWREN
M3M_2V8_ENM3M_1V8_EN