LG LG-V909DW - Power keys & DCDCs

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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
345Cp22
245Cu1.0
C548 4.7u
u1 445C
D510
2
3
1
1A
C
2A
035R K072
C545 4.7u
C546 4.7u
4.7uC547
2.2uC550
C508
2.2u
V_LDO4_1V8
305RM5.1115R
K074
2.2uL501
TP505
825R
K034
K81015R
0R523
U502
5
3 2
4 1
VOUTVDD
GNDCE
DNGP
C549 2.2u
725R K512
925R K512
C500 220p
10u
C504
V_POWERRAIL
145C u7.4
VDD_3V3
K022
405R
1M
R501
U500
2
17
5
14
1
13
10
11
6 3
9
8
12
4
16
15
7
EN
LX1
NC3
FB
VP1
NC2
VCC
PGND1NC1
VP2
VP3
LX3
PGND3
LX2
SGND
EXPOSED_GND
PGND2
L500
4.7u
V_POWERRAIL
D500
VDD_5V0
205Cu7.4
U501
4 3
5 2
6 1
SWVIN
GNDVOUT
FB_SHDN
u01 305C
535C p74
C509
2.2u
C510
2.2u
SW500
42
31
525R K001
C534
22u
K81605R
D503
R522 200K
425R K001
V_POWERRAIL
135C u2.2
u1
605L
235C n74
U505
51
87
96
105
114
123
132
141
CT RSET
EN_SET FLOUTA
FLEN FLGND
AGND FLOUTB
IN FLINH
LX GND
PGND OUT
GULS_G
L502 15u
0.1u
C506
C501 470n
U503
1B
E1C2
B2
C1
E2
D3
C3
A1C4
B3
A3
D4
E3
D2
B4E4
2A
1D
4A
TTABV
2NIV 1NIV
VINB LDO1
FB
SW
GNDB
LDO2
IRQ_N
SDA LDO3
SCL
DVS
EN
LDO4
DEFSEL
IDSEL LDO5
DNG
1uC517
V_GM_2V8
V_DE_2V7
1uC522
1uC525
V_IO_1V8
V_DI_1V2
1uC528
V_POWERRAIL
10u
C507
R505 100K
VDD_V2V2
10K
R502
VDD_5V0_HDMI
u1915C
V_POWERRAIL
TP501
VDD_V2V2
Q501
D
G
S
Q500
D
G
S
TP502
VDD_V2V2
1M
R507
R512
100K
u01 215C u01 115C
VDD_WLED
39p
C513
U504
E1
E2
E3
C3
A3
A4
2A 1A 4E 5B
D4
D3
B4
B3
C5
C2
D5
D2
E5
A5
C4
2B 1B
1C 1D
ODLV
NIV
1WS
2WS
VDDIO
FB
OUT1
VSYNC
OUT2
FILTER
OUT3
ISET
FSET
SCLK
SDA
S_DNG L_DNG
1WS_DNG 2WS_DNG
PWM
EN
FAULT
OUT4
OUT5
OUT6
C505
0.1u
C514
4.7u
Q502
5
3 2
4 1
VOUTEN
GNDVIN
DNGP
R517 18K
V_POWERRAIL VDD_3V3_ALWAYS
005R K81
C552
1u
C551
1u
u01325C
U506
713
6
85
94
103
112
121
FB2
FB1
EN2 EN1
AVIN PGOOD
SW2 VIN
AGND SW1
PGND
T_GND _FPWM
L507 2.2u
VDD_1V2
635C u2.2
C537
1u
V_POWERRAIL
C538
10u
2.2uL508
935C p74
045C u2.2
VDD_1V8
R531 0
CAM_I2C_SCL
CAM_I2C_SDA
WLED_EN
VDD_5V0_EN
CAM_EN
AP_ONKEY
FLASH_LED_INH
FLASH_LED_TORCH
FLASH_LED_EN
ONKEY_N
TEMP_THERM_N
WLED4
WLED3
WLED2
WLED1
GSM_TXON_IND
RESUME
HOT_RST_N
PG_VDDIO_SYS
VDD_3V3_EN
FLASH_A
FLASH_C
LCD_PWM
VDD_3V3_ALWAYS_EN_1
VDD_3V3_ALWAYS_EN_1
VDD_3V3_ALWAYS_EN
1.2V/1.8V
5V (HDMI & USB HOST)
mm0.1
3.3V
close to FB
WLED Driver for 8.9" LCD
CAMERA PMIC
Reset
Power On/Off
Power keys & DCDC's
1.5mm
mm0.2
mm0.2
2.0mm
1.0mm
0.7mm
1.0mm
3.3V (Always)
m
m5.1
CAMERA FLASH LED
Flash Mode : 810mA
Movie Mode : 111mA
1%
CAMERA FLASH LED DRIVER
Routing line must be thick enough to support 1A!!
anode
cathode
1.0 mm
1.0 mm
0.5 mm
0.5 mm
mm0.2
1.0mm
1.0mm
1.0mm
1.0mm