LG E900 Service Manual page 161

7. CIRCUIT DIAGRAM
12 11
L
u-USB Connector
K
REV.1.0
CN400
6
7
VBUS 2mm
8
1
VBUS
D- 2
D+ 3
ID 4
GND 5
9
D405
J 10
C446
ESD9B5_0ST5G
11 22p
GU077-5P-SD-E1500
ENRY0011501
I
H
PM7540
G
R430
VCHG_VBUS
4.7
C460
2.2u
VREG_MSMP_2.6V
F
M7
PCB_REVISION PCB_REVISION MPP_1
N5
MPP_2
R425
D8
REMOTE_PWR_ON MPP_3
1K B12
MPP_4
0603 D4
MSM_USIM_RST MPP_5
A1
REV.C SIM_RST MPP_6
L12
USB_3.3V_EN
MPP_7
M11
GSM_PA_DAC_REF MPP_8
K8
MSM_USIM_CLK
MPP_9
C470 K9
SIM_CLK MPP_10
0.1u K5
MSM_USIM_DATA
E MPP_11
K6
SIM_IO MPP_12
M3
MPP_13
N1
MPP_14
N3
MPP_15
M5
VBAT_TEMP MPP_16
B3
MPP_17
D5
MPP_18
F4
MPP_19
G4
HOOK_ADC MPP_20
J2
MPP_21
K2
MPP_22
H2
USB_ID
L2
USB_D_P
M2
USB_D_M
H4
USB_OE_N
J4
D USB_DAT
K4
USB_SE0
R424 47K J10
VREG_MSMP_2.6V SBST
H10
SBCK
TP400 K10
PMIC_SSBI SBDT_SSBI
TP401 D10
PM_INT_N
MSM_INT_N
B6
SPKR_IN_L_M
B7
SPKR_IN_L_P
A6
SPKR_OUT_L_M
A7
SPKR_OUT_L_P
B4
HKAIN0 : PCB Revision Check ADC SPKR_IN_R_P
REV R1 R2 ADC B5
SPKR_IN_R_M
A4
A&F 150K 10K 0.16V SPKR_OUT_R_P
B&G 150K 47K 0.62V A5
SPKR_OUT_R_M
C&H 150K 68K 0.81V
C B2
D&I 150K 100K 1.04V
VIDEO_IN
B1
E&J 150K 150K 1.30V VIDEO_OUT
N2
Rev.1.0 150K 300K 1.73V VIB_DRV_N
VIB_DRV_N
E1
Rev.1.1 150K 430K 1.93V KPD_DRV_N
F1
Rev.1.2 150K 680K 2.13V
LCD_DRV_N
H1
FLSH_DRV_N
B
A
12 11
LGE Internal Use Only
10 9 8
VCHG_VBUS
TA OVP Circuit
VCHG_VBUS
C438
U404 EUSY0374601
FL400 2mm
2mm 0.1u
NFM18PC104R1C3
1 1 7
IN OUT IN1 OUT1
2 8
MAX_DM GND1 GND2 IN2 OUT2
MAX14528
MAX_DP
4 MAX_DM
USB_ID IC1
MAX_DP
3 5
OVLO IC2
USB_ID
REV.B
C447
C448 C445
1u
22p 1u
25V
REV.B
USB PHY POWER
VBAT +VPWR VREG_MSME_1.8V
+VPWR
0603
Place close to PM7540 pins
C435 0.1u BU33TD2WNVX U400
C467 0.1u
C453 0.1u 4
C465
VIN VOUT
C459 0.1u 3
33p USB_3.3V_EN STBY GND
C469 0.1u
C450 0.1u
C457 0.1u EUSY0407201
C401
C454 0.1u
1u
C455 0.1u
C458 0.1u
C456 0.1u
C464 0.1u
C463 1n
Local Ground Plan
C466 4.7u
1005
C461 1n
C451 4.7u Place in PM7540 room at shield edge These CAPs close to inductors
1005
C402 C477 C478
0603
1n 1n 1n
K1
VSW_5V
J1
VREG_5V
N8 D401
VSW_MSMC1
M8 0603
R400 68K
VREG_MSMC1
N6 L405 4.7u
VSW_MSMC2
M6 ELCP0008004
VSNS_MSMC2_1.2V
VREG_MSMC2
N10 L404 4.7u
VSW_MSME
M9 ELCP0008004
VSNS_MSME_1.8V
VREG_MSME
N4 L400 4.7u
VSW_PA
M4 ELCP0008004
VREG_PA
A2
VREG_GP1
J13
VREG_GP2
N12
VREG_GP3
A9
VREG_GP4
B13
VREF_GP5
E13
VREG_GP6
K13
VREG_MMC
A11
VREG_MSMA
G13
U405 VREG_MSME2
H13
VREG_MSMP
PM7540 A8
VREG_RFRX1
A10
VREG_RFRX2
A3
VREG_RFTX
N11
VREG_RUIM1
E12
VREG_SYNT
D13
VREG_TCXO
M1 C468 2.2u
VREG_USB
G1
VREG_WLAN
G12
MIC_BIAS MIC_BIAS
C424 C425 C426 C428 C421 C422 C423 C429 C430 C473 C419
A12 R428 121K
REF_ISET 2.2u 2.2u 2.2u 1u 2.2u 2.2u 2.2u 4.7u 4.7u 2.2u 2.2u
A13
1%
REG_GND
C13 C452 100n
REF_BYP
H12
TCXO_IN TCXO_PM_19.2MHZ
D9 TP402
TCXO_EN TCXO_EN
R427 51
G10
TCXO_OUT PMIC_TCXO
Place crystal and load caps close to PM7540
C472 22p
M13
XTAL_IN
N13
XTAL_OUT
X400
K7 32.768KHz
SLEEP_CLK SLEEP_CLK Route together
M12 C471 22p
AMUX_OUT AMUX_OUT
CM315_12_5PF
C12
KPD_PWR_N
KPD_PWR_N
F10
PON_RESET_N nPON_RST D404
E10
PS_HOLD
PS_HOLD
KDS114E-RTK_HA
C462
33p JTAG_PS_HOLD
0 R455
HW_SHDN
R432 0603
200K
10 9 8
7 6 5
MUIC
+VPWR REV.B
Battery Charging Circuit
C436
0.1u
ISNS_P
+VPWR
ISNS_M
2mm
E1 C4
UART3_TX
VBUS UART_TX VREG_MSMP_2.6V
E2 C3 +VPWR
DM UART_RX UART3_RX
E3 VBAT
DP
D3 D4
ID USB_DM USBH_DM
E4
USB_DP USBH_DP
C437
R406 A3 D1
R2_2K IC400 AUDIO_L 22u
2.2K TS5USBA33402YZPR C1
AUDIO_R
A4 1608
EUSY0372001 MIC
C2
DSS
B3
_INT MUIC_INT
A1 A2
CLDO SDA MUIC_I2C_SDA
B2
SCL MUIC_I2C_SCL
D2
C440 GND
10n
Fuel Gauge IC & Battery Conn.
U402 BD4931FVE-GTR
1
VOUT VDD
2
SUB
3
NC GND
EUSY0399302
VREG_MSMP_2.6V
1
USB_3.3V
2
0603
C404
1u
MAX17040G U403
0603
3
VDD CELL
C443
10n
SEO
8
FUEL_I2C_SDA
SDA CTG
7
FUEL_I2C_SCL SCL GND
REV.C
EUSY0242303
C432 C433 C434 C431
22u 10u 10u 1u
MSMC1_EN
0.5mm
MSMC2_ADSP_1.23V
0.5mm
VREG_MSME_1.8V
0.3mm
VRF_SMPS_2.1V
VREG_CAM_AF_2.8V
VREG_LCD_3.0V
VREG_TOUCH_IO_2.6V
REV.B
VREG_EFUSE_PROG
VREG_CAM_AVDD_2.8V
VREG_MSMP6_2.8V REV.C
VREG_PROXI_2.6V REV.C
VREG_MSMA_2.6V
VREG_MSMP_2.6V
VREG_RFRX1_2.7V
VREG_CAM_DVDD_1.8V
VREG_LCD_1.8V
VREG_RUIM_2.85V
MSMC2_ADSP_1.23V
VREG_ALS_1.8V
VREG_TCXO_2.85V
VREG_TOUCH_3.0V
+VPWR
C420 C474 C418 C427 C475
2.2u 2.2u 2.2u 1u 2.2u
R433
Remove PullUp
374K
374K
S
BUCK_SCL
G SI1305-E3
BUCK_SDA
Q401
D
MSMC1_EN
7 6 5
- 162 -
4 3 2
BACK-UP BATTERY
VCHG_VBUS
REV.C
Q400 NUS5530MN
2mm
10 BAT401
DRAIN_B
1% 1 9 R452
NC1 COLLECTOR_B VCOIN
2 8
COLLECTOR EMITTER 4.7K
3 7
SMZY0023501
SOURCE BASE CHG_CTL_N C479
4 6 TAIYO_YUDEN
DRAIN NC2 1u
5
GATE BATT_FET_N
C439
10n
POWER KEY
KPD_PWR_N
5
VBAT
MSMA_2.1V
4
VBAT
2mm
REV.C
HW RESET IC
CN401
2mm
D1
0603
1
R413
VBAT_TEMP
2
10K
3
D2 VBAT
C442 C400
0.1U 100u ENZY0027301
ZD402
2
3216
C480
0.1u
5
6
EO
1
4
1 U406
GND /SR0
0603 EUSY0429601
2 /SR1 TRIG
FT8010UMX
C481
4.7u
4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP
TI Buck
+VPWR
C417
22u
6
VINDCDC1 L403 2.2u MSMC2_APC_1.23V
7
L1
37 9 1.3A
VCC VDCDC1
14 10
VSYSIN DEFDCDC1 R437 90.9K REM_SENSE_APC
15 8 R436 86.6K
C409 VBACKUP PGND1
16
1u VRTC
36
VINDCDC2 L402 2.2u MSMC1_MODEM_1.23V
30 35
SCLK L2
29 33
SDAT VDCDC2 0603
32 R448 100K
DEFDCDC2 REM_SENSE_MODEM
25 34
R438 60.4K
DCDC1_EN PGND2
24
DCDC2_EN C416
23 U401 5
22u R442 374K VLDO2
DCDC3_EN VINDCDC3
22 4
LDO_EN TPS65023 L3
11 EUSY0334204 2
_HOT_RESET VDCDC3
27 1
_RESPWRON DEFDCDC3
28 3
_INT PGND3
39
LOWBAT_SNS
38 20
PWRFAIL_SNS VLDO1
21
_LOWBAT
31 19
_PWRFAIL VINLDO +VPWR
26
TRESPWRON
18
VLDO2 VLDO2
12
DEFLDO1
R445
13 40
DEFLDO2 AGND1
17
10 AGND2
41
G_SLUG C415 C414 C413 C410 C412
C411 10u 10u 2.2u 1u 2.2u
REV.B REV.B
1n 10V 10V
4 3 2
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1
L
K
J
I
H
SW401
1 1-1
REV.C
2 2-1
3
GND
ESCY0008301
G
VREG_MSMP_2.6V
F
7
KPD_PWR_N
6
REV.E
E
D
C
B
A
1