LG GD310 Service Manual page 68

PMIC
USB_OEN
USB_DAT_VP
USB_SE0_VM
TXON_PA
1V8_SD 2V5_VAUDB VBAT
VBAT
2V5_VAUDA 2V9_VFM
U_RCV B1
U_PMIN
C2
U_VMIN D3
C1
USB_DP
D2
USB_DM
TP3
E3
PMRSTN
D1
E2
VCXO_EN
E1
BT_VCXO_EN
F2
F1
G2
G1
H2
H1
C241 C214 C217
J1
2.2uF 2.2uF 1UF
D200 L200
J2
KDS160E 10UH H3
J3
K1
K2
L2
C204
100n C227
C224 C218 C212 C232 C208
22uF 2.2uF 10uF 2.2uF 0.1uF 2.2u
LDO Net name
SD1 1V35_Core
SD2 1V8_SD
VAUX 2V9_VAF
VIO 2V62_VIO
VSIM 2V9_SIM
VMME 2V8_VMME
VUMTS 2V85_AMP
VUSB VUSB
VLED VLED
VAUDIOa 2V5_VAUDA
VAUDIOb 2V5_VAUDB
VRF1 2V85_VRF
VRF2 1V5_VRF
VRF3 2V65_VBT
VPLL 1V35_VPLL
VRTC 2V11_RTC
VAFC VAFC
VVIB 2V8_VLCD
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
RTC_OUT
VUSB VBAT VBAT
1V35_VPLL
VBAT 2V62_VIO
R209
100K
RCV
VPIN
VMIN
D+
D-
RESET_N
RESET2_N
SLEEP1_N
SLEEP2_N
VAUDIOA
U201
VDDAUDIOA
VDDAUDIOB
PMB6821
VAUDIOB
VAUX
VDDAUX
SU1_GATE
SU1_GND
SU1_FB
SU1_ISENSE
VDDSD2
SD2_FB
SD2_FBL
Output Voltage
1.35V
1.8V
2.9V
2.62V
2.9V
2.9V
2.85V
3.1V
2.9V
2.5V
2.5V
2.85V
1,53V
2.7V
1.35V
2.11V
2.65V
2.8V
R223
ON_OFF2
27K
R214
0R
2V62_VIO
VBAT
VBAT
VBAT
C252
1u
C219
100n
L201
10UH
C11
VMME
C10
VDDMME
D10
VDDRF2
D11
VRF2
E10
VRF3
E11
VDDRF13_AFC
F10
VRF1
F11
VVIB
G11
VDDSIMVIB
G10
VSIM
H11
VAFC
H10
VRTC
H9
VDDUMTS
J11
VUMTS
K11
VDDSD1
J10
SD1_FB
L10
SD1_FBL
Output Current Usage
600mA Core & for LDO
300mA Memory
100mA Cam Auto Focus
100mA Peripherals
70mA SIM card
150mA u-SD
110mA Headset AMP
40mA Not used
10mA Not used
200mA Stereo headset, Mono earpiece
50mA Analog parts of S-Gold
2.85 V supply for SMARTi-PM
150mA
RF transceiver
1.5 V supply for SMARTi-PM
100mA
RF transceiver
150mA Bluetooth
30mA S-GOLD3 PLL
4mA Real Time Clock
5mA Not used
140mA LCD
- 69 -
5. TROUBLE SHOOTING
RPWRON_EN
1V35_CORE 2V8_CAM_A 2V85_VRF
VBAT 2V85_CAM 2V11_RTC 2V9_SIM 2V65_VBT
FB201
C202 C253 C229 C254 C244 C228 C251 C257 C201
10U 2.2U 1U 1U 1U
2.2U 2.2U 2.2U 2.2U
LGE Internal Use Only
1V5_VRF 2V9_VMME
1V8_SD
C242 C223
2.2U 2.2U