LG KP270 Service Manual page 75

4. TROUBLE SHOOTING
SIM_DATA
C211 0.1u
VMME
VDDMME
VDDRF2
VRF2
VRF3
VDDRF13_AFC
VRF1
VDDSIMVIB
VAFC
VRTC
VDDUMTS
VUMTS
VDDSD1
SD1_FB
SD1_FBL
LGE Internal Use Only
2V9_VSIM
2V9_VSIM
J301
J301
R317
4
C5
10K
5
C6
6
C7
10
GND4
9
C323
GND3
22p
1V35_CORE
L201
10uH
VBAT 2V85_VLCD
C11
C10
D10
D11
E10
E11
F10
F11
VVIB
G11
G10
VSIM
H11
H10
FB202
H9
J11
FB203
K11
J10
L10
1608
C220
4.7u
1608
2V9_VSIM
1
C1
2
C2
3
C3
7
GND1
8
GND2
C322
C324
0.1u 22p
TP3
2V8_AMP 2V7_VRF 2V85_VRF
2V11_RTC 2V9_VSIM 2V85_VBT
C232 C233 C234 C235 C236 C237
1u 1u 1u 2.2u 2.2u 2.2u
Copyright © 2008 LG Electronics. Inc. All right reserved.
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SIM_RST
SIM_CLK
C325
DNI
1V5_VRF 2V9_VMME
1V8_SD
TP1
C238 C239 C240 C241
2.2u 2.2u 2.2u 2.2u
Only for training and service purposes