LG GD910 - Page 32

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. BB Circuit Technical brief
GD910 service manual
[Table 3.3.1-1] LDO Output Table of SM-Power3
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 2V85_VFM 2.85V 100mA FM RADIO
VIO 2V62_VIO 2.62V 100mA Peripherals
VSIM 2V9_SIM 2.9V 70mA SIM card
VMME
2V9_VMME 2.9V 150mA u-SD
VUMTS 2V85_VCD 2.85V 110mA LCD
VAUDIOa 2V5_VAUDA 2.5V 200mA Stereo headset, Mono earpiece
VAUDIOb 2V5_VAUDB 2.5V 50mA Analog parts of S-Gold
VRF1 2V85_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 2V855_VBT 2.7V 150mA Bluetooth
VPLL 1V35_VPLL 1.35V 30mA S-GOLD3H PLL
VRTC 2V11_RTC 2.11V 4mA Real Time Clock
VAFC 2V7_VRF 2.65V 5mA Not used
VVIB 2V8_VAMP 2.8V 140mA AUDIO AMP
GD910 service manual
[Figure3.3.1-1] SM-Power 3 Circuit Diagram
PMIC
C209 2.2u
PMRSTn
0.1uC200
VUSB
2V85_VLCD
2.2uC477
VBAT
C223 1u
2.2uC229
1V5_VRF
2.2uC216
0.1uC234
C207 1u
VBAT
2V5_VAUDA
VBAT
L200 10uH
2V85_VRF
C221
L201
10u
10uH
27K
R200
C210
1u
C211
0.1u
4.7KR202 4.7KR203
1V35_CORE
10uC218
1uC224
D202
SDB0530
C225 2.2u
C214
2.2u
VBAT
C226 2.2u
1V8_SD
2.2u
C233
2.2uC222
R201 4.7K
R413 100K
2V5_VAUDB
2.2uC230
VBAT
D201
SDB0530
C228 2.2u
2V85_VFM
1V35_VPLL
2V85_VBT
CN200
1
2
2V8_VMME
C213 2.2u
C205
33u
2.2uC479
2V62_VIO
2.2uC201
C232 2.2u
C227 2.2u
VBAT
1V8_SD
VDD_CHARGE
100KR204
2V8_TOUCH
2V11_RTC
0.1uC212
VSS9
C7
VSS_MONO
VSS_SD1
H8 H4
VSS_SD2
D9
VSS_VREF
J11
VUMTS
A4
VUSB
VVIB
F11
WDOG
L3
VSS21 VSS22
G5
VSS23
G6 G7
VSS24 VSS25
G8 G9
VSS26 VSS27
H5 H6
VSS28 VSS29
H7 D5
VSS3
J6
VSS30 VSS4
D6 D7
VSS5 VSS6
D8
E4
VSS7 VSS8
E5 E6
L11
VSD2
L1
VSIM
G10
C6
VSS1 VSS10
E7 E8
VSS11 VSS12
E9
F3
VSS13 VSS14
F4 F5
VSS15 VSS16
F6 F7
VSS17 VSS18
F8 F9
VSS19 VSS2
D4
VSS20
G3 G4
VDD_CHARGE
B7
VDD_MONO
VDD_REF
J9 B5
VDD_USB
A11
VIO
A8
VLED
VMIN
D3 C11
VMME
C2
VPIN
VPLL
A10
VREF
C8
VREFEX_M
A5
F10
VRF1
VRF2
D11
E10
VRF3
VRTC
H10
VSD1
B10
H11
VAF C
F2
VAUDIOA
VAUDIOB
G1
H2
VAUX
VDDAUDIOA
F1
G2
VDDAUDIOB
VDDAUX
H1
VDDMME
C10
B9
VDDPLLIO
VDDRF13_AFC
E11
D10
VDDRF2
VDDSD1
K11
VDDSD2
K1
G11
VDDSIMVIB
VDDUMTS
H9
K9 J5 B8
RREF
J10
SD1_FB
SD1_FBL
L10K2
SD2_FB
SD2_FBL
L2
B2
SE0_VM
SENSE_IN1
L9 K10
SENSE_IN2
E2
SLEEP1_N
SLEEP2_N
E1
H3
SU1_FB
J1
SU1_GATE
SU1_GND
J2
SU1_ISENSE
J3
A3
SUSPEND
TXONPA
C5
MONO_INP
B6
MONO_OUTN
A6
MONO_OUTP
A7
OE_N
C4 K4
ON_OFF1 ON_OFF2
L4 L5
ON_OFF_OUT
OUTPORT
J4 K3
POWER_ON
A1
PUMS1 PUMS2
B4 B11
PUMS3
RCV
B1
RESET2_N
D1
E3
RESET_N
RESOURCE_CRTL
AC+
AC-
C3 L6
BL1_PWM BL2_PWM
K7 J8
BL3_PWM
CHARGE_UC
L8
CH_CNTRL
L7 K8
CH_SOURCE
C1
D+
D-
D2
DAT_VP
A2 C9
FLASH_ON
FLASH_SHINK
A9 J7
I2C_CLK
I2C_DAT
K6 K5
I2C_INT
MONO_INN
PMB6821
U200
B3
VBAT
2V9_SIM
10uC220
BT_VCXO_EN
C219 10u
C208 2.2u
10u
C215
C231
1u
USB_SE0_VM
BT_VCXO_EN
RTC_OUT
USB_DP
WDOG
PMRSTn
PM_VCXO_EN
USB_DAT_VP
USB_DM
I2C1_SCL I2C1_SDA SPOWER_INT
USB_OEn
PWRON RESOURCE_CTRL