LG L602i Service Manual page 143

7. CIRCUIT DIAGRAM
1 1 2 2
A A
PMIC
+VPWR
C405
33u
B B 1
ADC_BYP
2
+5V_PWR
VCHG
3
ICHARGE
ISNS_P
4
CHG_CNT_N CHG_CTL_N
5
ICHARGEOUT ISNS_M
6
VBATT VBAT
7
BATT_FET_N BAT_FET_N
8
FLASH_DRV_N
FLSH_DRV_N
9
1005
RESET_IN_N PON_RESET_N
10
VREG_USB
1u C422 11
USB_ID
12
VREG_5V VREG_5V
D401
C424 4.7u 13
L403 USB_OE_N
USB_OE_N
RB521S-30
14
+VPWR VSW_5V
4.7uH 15
USB_CTL_N
16
USB_VBUS USB_VBUS
17
USB_DAT USB_DAT
18
R406 C425 USB_D+ USB_D_P
19
USB_SE0
2.2K 4.7u USB_SE0
20
1608 USB_D- USB_D_M
21
GP1_DRV_N(MPP7)
C C
SUBKEYLED_DRV_N
KYBD_BACKLIGHT
ON_SW_N
VIB_DRV_N
USIM_P_DATA
R407
+VPWR
10K
D D
USB_VBUS USB_VBUS_IN
PS_HOLD
E E
1 1 2 2
LGIC(42)-A-5505-10:01
3 3 4 4 5 5
AUTO_BOOT_N
63 0.1u C417
REF_BYP
62
REF_GND C418 1u
121K R402
61
REF_ISET
60 1%
VCOIN
59 TP400
MSM_INT_N PM_INT_N
58
TCXO_IN TCXO_PM
57
PS_HOLD
56
VREG_MSMA
55
TCXO_EN TCXO_EN
54
U401 VDD_ANA +VPWR
53 R405 51
PM6650-2M TCXO_OUT BUFF_TCXO
52
VDD_MSM +VPWR
51
PM_SBST
SBST
50
VREG_MSMP
49
SBCK PM_SBCK
48
VBACKUP
47
SBDT PM_SBDT
46
XTAL_OUT
TP401
45
SLEEP_CLK
SLEEP_CLK
44
XTAL_IN
43
RUIM_RST(MPP6) USIM_P_RST_N
+VPWR
USIM_RST_N
USIM_P_CLK
USIM_CLK
USIM_DATA
VREG_CAM_DVDD_2.8V
VREG_USIM_2.85V
6 5 4 Q400
QST4
1 2 3
Q402
SI3493DV-E3
3 3 4 4 5 5
6 6 7 7 8 8
1
USB_D+
2
3
+5V_PWR
R403 470K
V_BACK_UP
JTAG_PS_HOLD
RB521S-30
D400
PS_HOLD
VREG_MSMA_2.6V
4.7u C423
VREG_MSMP_2.7V
C426
X400 4.7u
1
32.768KHz
CM315_12_5PF
VREG_MSMP_2.7V
VBATT
VBAT_TEMP
VBAT_SENSE
C438
+5V_PWR
CHG_CNT_N
ICHARGE
Section Date Sign & Name
ICHARGEOUT
+VPWR
Designer 2006.01.24
Checked
VBATT
Approved
BATT_FET_N
LG Electronics Inc.
- 144 -
9 9 10 10
I/O CONNECTOR
A A
U400 OUT400 OUT401
6
USB_D-
5
RA1R011H11
4
GND
USB_D+
1
USB_D-
PLR0504F
2
USB_VBUS_IN
3
NFM21PC105B1A3 4
1 2
5
IN OUT
6
3 4
7
G1 G2
8
FL400
R400 1K
9
AUTO_BOOT_N
10
AC_T_N
22 R401
G1_2
A
INNER
B B
C416 G1_1
RF_OUT
15p GND
CN400
Battery Connector C C
CN401
1
2 4
L404
3
56nH
ENZY0019801
HSBC-3PT25-19
D D
Sheet/
Sheets
MODEL
L602i
KIM.D.K
4/6
DRAWING
PMIC & LDO & I/O
NAME
DRAWING
Rev_1.2
NO.
LG Electronics Inc.
LGMC