Only For Training And Service Purposes - LG KP270 Service Manual

PMIC
R209
RTC_OUT ON_OFF2
27K
R212
DNI
USB_OEn
USB_DAT_VP
USB_SE0_VM
VBAT
1V8_SD 2V5_VAUDB VBAT
2V5_VAUDA 2V85_VFM
B1
RCV
C2
VPIN
D3
VMIN
C1
USB+ D+
D2
USB- D-
PMRSTn
E3
PMRSTn RESET_N
FB201
D1
RESET2_N
E2
PM_VCXO_EN SLEEP1_N
1608
E1
BT_VCXO_EN SLEEP2_N
F2
VAUDIOA
F1
VDDAUDIOA
G2
VDDAUDIOB
G1
VAUDIOB
H2
VAUX
H1
VDDAUX
C214 C215 C216 D204
J1
2.2u 2.2u 1u L202 SU1_GATE
J2
SU1_GND
RB521S-30 H3
10uH
SU1_FB
J3
SU1_ISENSE
K1
VDDSD2
K2
SD2_FB
L2
SD2_FBL
C222
C219
C223 C224 0.1u C225 C226
10u 10u 2.2u 0.1u
4.7u
1608 1608 1608
1608 1608
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

VUSB
VBAT VBAT 1V35_VPLL
VBAT VBAT
C203
2V62_VIO
2.2u
1608
1608
C201
0.1u
R235
100K
1%
1608
U202
PMB6821
[Figure3.3.1-1] SM-Power 3 Circuit Diagram
- 31 -
3. TECHNICAL BRIEF
KDR331V
OVP_VCHG
2
3
C202 R233
OVP_VUSB
1
1u 47K
2V62_VIO VBAT D202
R234
C205
47K
R216
33u
4.7K
R217
4.7K
1V35_CORE
C211 0.1u
L201
10uH
VBAT 2V85_VLCD
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
FB202
H9
VDDUMTS
J11
VUMTS
FB203
K11
VDDSD1
J10
SD1_FB
L10
1608
SD1_FBL
C220
4.7u
1608
TA_DETECT
2V8_AMP 2V7_VRF 2V85_VRF 1V5_VRF 2V9_VMME
2V11_RTC 2V9_VSIM 2V85_VBT 1V8_SD
C232 C233 C234 C235 C236 C237 C238 C239 C240 C241
1u 1u 1u 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u
LGE Internal Use Only