LG GD510 Service Manual page 56

GD510 Operational Description
PMIC
USB_OEN
USB_DAT_VP
USB_SE0_VM
TXON_PA
SD_1V8 VAUDB_2V5 VBAT
VBAT
VAUDA_2V5 VFM_2V9
B1
U_RCV
C2
U_PMIN
TP
D3
U_VMIN
TP C1
USB_DP
TP
D2
USB_DM
TP302
FB301
E3
PMRSTN
220
D1
HB-1T1005-221JT
E2
VCXO_EN
E1
BT_VCXO_EN
F2
F1
G2
G1
H2
H1
C323 C321 C333
2.2u 2.2u 1u D302 J1
L301
KDS160E J2
10u
H3
J3
K1
K2
L2
C308
100n
C335
C327 C326 C332 C325 C305
22uF 2.2u 2.2u 100n 2.2u
10u
LDO Net name
SD1 CORE_1V35
SD2 SD_1V8
VAUX VFM_2V9
VIO VIO_2V62
VSIM VSIM_2V9
VMME VMME_2V9
VUMTS CAM_2V85
VUSB VUSB
VLED VLED
VAUDIOa VAUDA_2V5
VAUDIOb VAUDB_2V5
VRF1 VRF_2V85
VRF2 VRF_1V5
VRF3 VBT_2V65
VPLL VPLL_1V35
VRTC VRTC_2V11
VAFC VAFC
VVIB CAM_A_2V8
Copyright © 2009 LG Electronics. Inc. All right reserved.
LG Electronics
Only for training and service purposes
VUSB VBAT
VPLL_1V35 VIO_2V62
VBAT
VBAT
C316 C313
2.2u 100n
C322
1u
C310
2.2u
R308
100K
C331 R310 C342
100n 100K 1u
RCV
VPIN
VMIN
D+
D-
RESET_N
RESET2_N
SLEEP1_N
SLEEP2_N
U305
VAUDIOA
PMB6821
VDDAUDIOA
VDDAUDIOB
VAUDIOB
VAUX
VDDAUX
SU1_GATE
SU1_GND
SU1_FB
SU1_ISENSE
VDDSD2
SD2_FB
SD2_FBL
Output Voltage Output Current
1.35V 600mA
1.8V 300mA
2.9V 100mA
2.62V 100mA
2.9V 70mA
2.9V 150mA
2.85V 110mA
3.1V 40mA
2.9V 10mA
2.5V 200mA
2.5V 50mA
2.85V 150mA
1,53V 100mA
2.7V 150mA
1.35V 30mA
2.11V 4mA
2.65V 5mA
2.8V 140mA
RTC_OUT
VBAT
VBAT VBAT
C339
1u
TP301
TP TP
L302
10u
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
Usage
Core & for LDO
Memory
Touch, LCD
Peripherals
SIM card
u-SD
Camera
USB
Not used
Stereo headset, Mono earpiece
Analog parts of S-Gold
2.85 V supply for SMARTi-PM
RF transceiver
1.5 V supply for SMARTi-PM
RF transceiver
BT/FM Radio
S-GOLD3 PLL
Real Time Clock
Not used
Camera
- 57 -
62/113
5. Trouble shooting
Revision A
R303
ON_OFF2
27K
RPWRON_EN
C312
2.2u
C341
100n
VBT_2V65
CORE_1V35 CAM_A_2V8 VSIM_2V9
VBAT CAM_2V85 RTC_2V11 VRF_2V85
D301
KDS160E
FB302
C328
C306 C340 C315 C314 C318 C319 C334
10u 1u 1u 1u 1u 2.2u 2.2u 2.2u
LGE Internal Use Only
LGE Property
SD_1V8
VRF_1V5 VMME_2V9
C320 C307 C324
2.2u 2.2u 2.2u