LG CU920 Manual page 175

7. CIRCUIT DIAGRAM
PMIC VPWR BYPASS
+VPWR
C700
33u
+5V_PWR
ICHARGE
CHG_CNT_N
ICHARGEOUT
VBATT
1005 BATT_FET_N
MSM_RESIN_N
C721 1u
USB_OE_N
USB_CTL_N
USB_VBUS
USB_DAT
USB_D+
USB_SE0
USB_D-
R707 47K
C723
2.2u
1608
LED_CON
PM_ON_SW_N
MOTOR_POWER-
USIM_P_DATA
VREG_RF_SMPS
C728 C729
0.1u 22u
Power Line --> Route carefully!!!!!
Draw the Artwork_line thickly !!!!!
--->> USB_VBUS , FLASH_DRV_N , KPD_DRV_N , KEY_ON_SW_N , MOT_PWR-
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C703
C702
VBACK_UP
1u
1u
C716
2.2u
1608
Check if it is LOW enable.
0.1u
1 63
ADC_BYP REF_BYP
2 62
VCHG REF_GND
3 61 R701
ISNS_P REF_ISET
4 60
CHG_CTL_N VCOIN
5 59
ISNS_M MSM_INT_N
6 58
VBAT TCXO_IN
7 57
BAT_FET_N PS_HOLD
8 56
FLSH_DRV_N VREG_MSMA
9 U701 55
PON_RESET_N TCXO_EN
10 54
VREG_USB VDD_ANA
56 R704
11 53
USB_ID PM6650-3P TCXO_OUT
12 52
VREG_5V VDD_MSM
51K R705
13 51
USB_OE_N SBST
14 50
VSW_5V VREG_MSMP
51K R706
15 49
USB_CTL_N SBCK
16 48
USB_VBUS VBACKUP
17 47
USB_DAT SBDT
18 46
USB_D_P XTAL_OUT
19 45
USB_SE0 SLEEP_CLK
20 44
USB_D_M XTAL_IN
21 43
GP1_DRV_N(MPP7) RUIM_RST(MPP6)
smd_2520h1_6_r
4.7uH L700
C726
C727
2.2u
2.2u
1608 1608
C730
C731
10u
1000p
C734 C735
C736
1000p
0.1u
0.1u
1608
BAT700
C714
1u
ICHARGE
ICHARGEOUT
+VPWR
C717
121K
1%
VBACK_UP
PM_INT_N JTAG_PS_HOLD
TCXO_PM
D700 RB521S-30
PS_HOLD
VREG_MSMA_2.6V
TCXO_EN
C720
+VPWR
TCXO_MSM
4.7u
+VPWR
VREG_MSMP_2.8V
VREG_MSMP_2.8V
SSBDT_PM
TP700
SLEEP_CLK
USIM_P_RST_N
C724 C725
27p 27p
+VPWR
USIM_RST_N
USIM_P_CLK
USIM_CLK
USIM_DATA
VREG_USIM_2.85V
VREG_TFLASH_3.0V
- 177 -
Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT
U700 NUS3116MTR2G
10 9
VBATT P_DRAIN P_COLLECTOR
1 8
+5V_PWR EMITTER1 BASE1 CHG_CNT_N
2 7
USB_VBUS EMITTER2 BASE2 USB_CTL_N
3 6
0.1 COLLECTOR GATE BATT_FET_N
4 5
R700
SOURCE DRAIN VBATT
LGE Internal Use Only