LG GW520 - Page 78

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. Trouble shooting
GW520 service manual
Circuit DiagramCircuit Diagram
22pC246
0.1uC237
3
C3
C5
4
5
C6
6
C7
GND1
7
8
GND2
9
GND3
10
GND4
J200
5000-6P-1.8SL
ENSY0018701
C1
1
C2
2
2V9_SIM
R236 4.7K
C245 DNI
C248
22p
SIM_IO
SIM_RST
SIM_CLK
C221 1u
FB201
2.2uC222
C220 1u
22u
C216
C223 2.2u C218 2.2u
VUMTS
J11
VVIB
VRTC
G10
VSIM
VDDUMTS
H10
VAFC
H11
K11
VDDSD1
VDDSIMVIB
G11
H9
SD1_FB
J10
L10
SD1_FBL
1uC219
C214
10u
10uC215
TP2
TP1