LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 66 -
PMIC
1V35_VPLL
0.1u
C210
2.2u
C203
2V85_VRF
1V8_SD
R201
27K
2V8_CAM_A
2.2u
C223
VBAT
10uH
L202
2V9_VFM
C202
2.2u
2.2u
C239
R205
4.7K
C241
1u
VBAT
FB201
10u
C230
C224
2.2u
10u
C
229
1V8_SD
VBAT
2.2u
C207
VBAT
C205
2.2u
1u
C245
R208
100K
2.2u
C246
VBAT
1V35_CORE
2V5_VAUDB
1V5_VRF
VUSB
U_VMIN
KDS160E
D203
4.7K
R203
10u
C232
C201
0.1u
0.1u
C233
C225
1u
2.2u
C235
10u
2V9_SIM
C231
2.2u
C247
TP201
2.2u
C208
C237
0.1u
C228
10u
L201
10uH
2V62_VIO
KDR331V
3
1
2
U_RCV
D201
C244
2V65_VBT
2.2u
KDS160E
D202
1u
C206
C211
1u
VBAT
2V62_VIO
FB202
4.7K
R207
2.2u
2V85_CAM
2V5_VAUDA
C238
C243
2.2u
C240
VBAT
U_PMIN
VBAT
1u
R202
DNI
C236
0.1u
2.2u
1u
C209
C242
R206
4.7K
E6
VSS_MONO
C7
H8
VSS_SD1
VSS_SD2
H4
VSS_VREF
D9
VUMTS
J11
VUSB
A4
F11
VVIB
L3
WDOG
2V9_VMME
G4
G5
VSS22
G6
VSS23
VSS24
G7
G8
VSS25
VSS26
G9
H5
VSS27
VSS28
H6
H7
VSS29
VSS3
D5
VSS30
J6
D6
VSS4
VSS5
D7
D8
VSS6
VSS7
E4
E5
VSS8
VSS9
VSD1
L1
VSD2
G10
VSIM
VSS1
C6
E7
VSS10
VSS11
E8
E9
VSS12
VSS13
F3
F4
VSS14
VSS15
F5
F6
VSS16
VSS17
F7
F8
VSS18
VSS19
F9
D4
VSS2
G3
VSS20
VSS21
K9
VDD_MONO
B7
J9
VDD_REF
VDD_USB
B5
VIO
A11
VLED
A8
D3
VMIN
VMME
C11
VPIN
C2
A10
VPLL
C8
VREF
A5
VREFEX_M
VRF1
F10
D11
VRF2
VRF3
E10
H10
VRTC
L11
TXONPA
VAFC
H11
VAUDIOA
F2
G1
VAUDIOB
VAUX
H2
F1
VDDAUDIOA
VDDAUDIOB
G2
H1
VDDAUX
C10
VDDMME
VDDPLLIO
B9
E11
VDDRF13_AFC
VDDRF2
D10
K11
VDDSD1
K1
VDDSD2
VDDSIMVIB
G11
H9
VDDUMTS
VDD_CHARGE
RESOURCE_CRTL
RREF
B8
SD1_FB
J10
L10
SD1_FBL
SD2_FB
K2
L2
SD2_FBL
SE0_VM
B2
L9
SENSE_IN1
SENSE_IN2
K10
SLEEP1_N
E2
E1
SLEEP2_N
SU1_FB
H3
SU1_GATE
J1
J2
SU1_GND
J3
SU1_ISENSE
SUSPEND
A3
B10
MONO_INN
B6
MONO_INP
A6
MONO_OUTN
A7
MONO_OUTP
C4
OE_N
ON_OFF1
K4
L4
ON_OFF2
ON_OFF_OUT
L5
J4
OUTPORT
POWER_ON
K3
PUMS1
A1
B4
PUMS2
PUMS3
B11
B1
RCV
D1
RESET2_N
RESET_N
E3
J5
B3
C3
AC-
BL1_PWM
L6
K7
BL2_PWM
BL3_PWM
J8
L8
CHARGE_UC
L7
CH_CNTRL
CH_SOURCE
K8
D+
C1
D2
D-
A2
DAT_VP
FLASH_ON
C9
A9
FLASH_SHINK
I2C_CLK
J7
K6
I2C_DAT
I2C_INT
K5
C5
U202
PMB6821
AC+
R204
4.7K
C204
2.2u
PMRSTn
SP_INT
VBAT
2V11_RTC
C248
2.2u
22u
C234
PWRON
OVP_VCHG
OVP_VUSB
PMRSTn
RTC_OUT
ON_OFF2
RESOURCE_CTRL
VCXO_EN
BT_VCXO_EN
TXON_PA
WDOG
USB_DAT_VP
USB_SE0_VM
USB_DP
USB_DM
KEY_EN
KEY_BACKLIGHT
SCL
SDA
SPOWER_INT
USB_OEn
ON_OFF2
LDO
Net name
Output Voltage Output Current Usage
SD1
1V35_Core
1.35V
600mA
Core & for LDO
SD2 1V8 _SD 1.8V
300mA
Memory
VAUX
2V9_VAF
2.9V
100mA
Cam Auto Focus
VIO
2V62_VIO
2.62V
100mA
Peripherals
VSIM
2V9_SIM
2.9V
70mA
SIM card
VMME
2V8_VMME 2.9V
150mA
u-SD
VUMTS 2V85_AMP 2.85V
110mA
Headset
AMP
VUSB VUSB
3.1V
40mA
Not
used
VLED VLED
2.9V
10mA
Not
used
VAUDIOa 2V5_VAUDA
2.5V
200mA
Stereo headset, Mono earpiece
VAUDIOb 2V5_VAUDB
2.5V
50mA
Analog parts of S-Gold
VRF1 2V8 5_VRF
2.85V
150mA
2.85 V supply for SMARTi-PM
RF transceiver
VRF2 1V5 _VRF 1,53V
100mA
1.5 V supply for SMARTi-PM
RF transceiver
VRF3 2V6 5_VBT
2.7V
150mA
Bluetooth
VPLL 1V3 5_VPLL
1.35V
30mA
S-GOLD3
PLL
VRTC
2V11_RTC
2.11V
4mA
Real Time Clock
VAFC VAFC
2.65V
5mA
Not
used
VVIB 2V8 _VLCD
2.8V
140mA
LCD