LG GD910 - Troubleshooting; Common Problems and Solutions Guide

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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
Circuit Diagram
TP2
C245
33p
C247
1u
4.7K
R212
2V9_SIM
2V9_SIM
C246
DNI
C248
33p
CLK
3
4
GND1
GND2
7
8
GND3GND4
9
10
GND5
IO
6
2
RST
1
VCC
VPP
5
J200
SIM_IO SIM_CLK
SIM_RST
2V85_VLCD
VBAT
C223 1u
2.2uC229
1V5_VRF2V85_VRF
L201 10uH
1V35_CORE
10uC218
1uC224
C225 2.2u C226 2.2u
2.2uC222
2.2uC230
D201
SDB0530
C228 2.2u
2V85_VBT
2V8_VMME
2.2uC479
C227 2.2u
1V8_SD
2V8_TOUCH
2V11_RTC
J11
VUMTS
VVIB
F11
L11
VSIM
G10
C11
VMME
F10
VRF1
VRF2
D11
E10
VRF3
VRTC
H10
VSD1
H11
VAFC
VDDMME
C10
D
DRF13_AFC
E11
D10
VDDRF2
VDDSD1
K11
G11
VDDSIMVIB
VDDUMTS
H9
J10
SD1_FB
SD1_FBL
L10
2V9_SIM
10uC220
C219 10u
TP1