LG Electronics U250 service manual 145, EBI2WEN Nandready Nandale Nandcle Resoutn EBI2OEN

7. CIRCUIT DIAGRAM

1 2 3

4 5 6 7 8 9 10 11 12 13 14 15 16

A
			SDRAM_CS_N(0)
VREG_MSMP_2.7V			SDRAM_WE_N
	51K	100K	SDRAM_RAS_N
			SDRAM_CAS_N
	R300	R301	SDRAM_CLK
NAND_CS_N			SDRAM_CLK_EN
B			EBI2_WE_N
NAND_READY			NAND_ALE
			NAND_CLE
RESOUT_N			EBI2_OE_N
		SDRAM_ADDR(13)
R302	100K	SDRAM_ADDR(14)
		EBI2_DATA(0:7)		EBI2_DATA(0)

U301 HYC0UEH0MF3P-6SS0E

J2	_CS	VSSN0	C5
K1	_WED	VSSN1	P6
G2	_RAS
H2	_CAS		J9
		VSSQ0
G8			K10
E3	CK	VSSQ1	L10
B6	CKE	VSSQ2	M9
	_CE	VSSQ3	N10
B7		VSSQ4	C10
	_WEN	VSSQ5
C6	R_B	VSSQ6	D9
C4	ALE	VSSQ7	E10
B4	CLE	VSSQ8	F9
B3	_RE	VSSQ9	G10
C3
	_WP
J3	BA0	VDDQ0	J10
K2			K9
	BA1	VDDQ1	L9
N1		VDDQ2	M10
	IO0	VDDQ3
N2			N9

0.1uF 0.1uF 0.1uF

0.1uF

0.1uF

REV_B

X16 SDRAM --> X32 SDRAM

VREG_MSME_1.8V

VREG TCXO 2.85V		VREG SYNTH 2.6V GSM PA PWR CTL REF				VREG BT 2.85V
					REV_B
			1u
1u			C311
C312	+VPWR AMUX OUT
				+VPWR	+VPWR	+VPWR

2.2u C3161608

0.1u C301

0.1u C302

PMIC VPWR BYPASS

VDD_MSMC : 4.7uF	VDD_MSM : 0.1uF
VDD_MSME : 4.7uF	VDD_ANA : 0.1uF

VDD_RUIM : 0.1uF

VDD_RF : 0.1uF

VDD_WLAN : 0.1uF

VDD_MAIN : 0.1uF

VDD_SPKR : 0.1uF

C303	C304	C305	C306	C307	C308	C310		+VPWR
							C446
0.1u	0.1u	0.1u	0.1u	0.1u	4.7u	4.7u	33u

A

B

		EBI2_DATA(1)
		EBI2_DATA(2)
		EBI2_DATA(3)
		EBI2_DATA(4)
		EBI2_DATA(5)
C		EBI2_DATA(6)
	SDRAM_ADDR(0:12)	EBI2_DATA(7)
		SDRAM_ADDR(0)
		SDRAM_ADDR(1)
		SDRAM_ADDR(2)
		SDRAM_ADDR(3)
		SDRAM_ADDR(4)
		SDRAM_ADDR(5)
		SDRAM_ADDR(6)
		SDRAM_ADDR(7)
		SDRAM_ADDR(8)
		SDRAM_ADDR(9)
		SDRAM_ADDR(10)
		SDRAM_ADDR(11)
		SDRAM_ADDR(12)
D	SDRAM_DQM(0)
	SDRAM_DQM(1)
	SDRAM_DQM(2)
	SDRAM_DQM(3)
	SDRAM_DATA(0:31)	SDRAM_DATA(0)
		SDRAM_DATA(1)
		SDRAM_DATA(2)
		SDRAM_DATA(3)
		SDRAM_DATA(4)
		SDRAM_DATA(5)
		SDRAM_DATA(6)
		SDRAM_DATA(7)
		SDRAM_DATA(8)
		SDRAM_DATA(9)
E		SDRAM_DATA(10)
		SDRAM_DATA(11)
		SDRAM_DATA(12)
		SDRAM_DATA(13)
		SDRAM_DATA(14)
		SDRAM_DATA(15)
		SDRAM_DATA(16)
		SDRAM_DATA(17)
		SDRAM_DATA(18)
		SDRAM_DATA(19)
		SDRAM_DATA(20)
		SDRAM_DATA(21)
		SDRAM_DATA(22)
		SDRAM_DATA(23)
		SDRAM_DATA(24)
		SDRAM_DATA(25)
F		SDRAM_DATA(26)
		SDRAM_DATA(27)
		SDRAM_DATA(28)
		SDRAM_DATA(29)
		SDRAM_DATA(30)
		SDRAM_DATA(31)

N3	IO1	VDDQ4	C9
	IO2	VDDQ5
M5	IO3	VDDQ6	D10
P7	IO4	VDDQ7	E9
M6	IO5	VDDQ8	F10
N6			G9
M8	IO6	VDDQ9
	IO7
K4	A0	VSS0	B9
L1	A1	VSS1	C1
L2	A2	VSS2	H9
L3	A3	VSS3	J1
C2	A4	VSS4	P9
D2	A5	VSS5	M2
E1
D3	A6
E2	A7		B8
D4	A8	VDD0	D1
K3	A9	VDD1	H1
F2	A10	VDD2	H10
	A11	VDD3
F1	A12	VDD4	P8
		VDD5	M1
J8	DQM0
G6
F8	DQM1	VCC0	B5
E7	DQM2		N5
L4	DQM3	VCC1
	DQ0		J7
L5	DQ1	NC0
L6			H7
	DQ2	NC1
L7	DQ3	NC2	H8
K8	DQ4	NC3	B1
L8			B2
	DQ5	NC4
K7			B10
	DQ6	NC5
K5			E5
K6	DQ7	NC6	F3
G7	DQ8	NC7	G1
J6	DQ9	NC8	G5
J5	DQ10	NC9	M3
	DQ11	NC10
H6			M4
	DQ12	NC11
H5			M7
	DQ13	NC12
J4			N4
	DQ14	NC13
G3			N7
	DQ15	NC14
G4			N8
F4	DQ16	NC15	P1
E4	DQ17	NC16	P2
F5	DQ18	NC17	P3
H3	DQ19	NC18	P4
	DQ20	NC19
H4			P5
	DQ21	NC20
E6			P10
	DQ22	NC21
F7
	DQ23
F6	DQ24		A2
D5	DQ25	DNU0
E8			A9
D6	DQ26	DNU1	A10
D8	DQ27	DNU2	R1
D7	DQ28	DNU3	R2
C8	DQ29	DNU4	R9
C7	DQ30	DNU5	R10
	DQ31	DNU6

C317 C318 C319

0.1uF		0.1uF		0.1uF
C328	0.01u	C329		C330
			0.1u
	C334		C335

C320

C331 0.1uF

C321

C332 0.1uF

VREG_MSME_1.8V

VREG_MSMP_2.7V

+5V_PWR

R305	12p
	C324
10K

1005

REMOTE_PWR_ON

85

84

83

82

81

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

Check if it is LOW enable.

GND SLUG

VREG TCXO

VDD MAIN

AMUX OUT

VREG SYNT

REF OUT(MPP8)

SPKR OUT M

SPKR IN M

VDD SPKR

SPKR IN P

SPKR OUT P

SPKR BYP

VREG RFTX

AMUX IN2(MPP2)

VDD RF

AMUX IN1(MPP1)

VREG RFRX1

CBL0PWR N(MPP3)

VREG RFRX2

CBL1PWR N(MPP4)

VDD WLAN

C

1

ADC_BYP

REF_BYP

63

0.1u

C322

2

62

NBL414R-F9J

VCHG

REF_GND

ICHARGE

3

ISNS_P

REF_ISET

61

R303

121K

BAT300

0.1u

CHG_CTL_N

4

CHG_CTL_N

VCOIN

60

1%

1u C323

470K

5

59

PM_INT_N

ICHARGEOUT

ISNS_M

MSM_INT_N

6

58

R304

VBATT

VBAT

TCXO_IN

TCXO_PM

C325

7

57

BATT_FET_N

8

BAT_FET_N

PS_HOLD

56

PS_HOLD

FLSH_DRV_N

VREG_MSMA

VREG_MSMA_2.6V

RESIN_N

9

PON_RESET_N

U300

TCXO_EN

55

TCXO_EN

10

54

C326

VREG_USB

VDD_ANA

+VPWR

C327

1u

11

53

51

R306

USB_ID

TCXO_OUT

TCXO_MSM

4.7u

12

52

VREG_5V

PM6650-2M

VDD_MSM

+VPWR

1608hsmd 9r

USB_OE_N

13

51

51K

R307

14

USB_OE_N

SBST

50

VREG_MSMP_2.7V

VREG_MSMP_2.7V

VSW_5V

VREG_MSMP

USB_CTL_N

15

USB_CTL_N

SBCK

49

51K

R308

4.7u C333 smd 1608h 9 r

D

16

48

X300

USB_VBUS

USB_VBUS

VBACKUP

USB_DAT

17

USB_DAT

SBDT

47

SSBDT_PM

18

46

4

3

USB_D+

USB_D_P

XTAL_OUT

USB_SE0

19

USB_SE0

RUIM M CLK(MPP9)

RUIM M RST(MPP5)

SLEEP_CLK

45

TP308

SLEEP_CLK

20

RUIM M IO(MPP11)

RUIM CLK(MPP10)

44

1

2

USB_D-

USB_D_M

RUIM IO(MPP12)

XTAL_IN

21

GP1_DRV_N(MPP7)

RUIM_RST(MPP6)

43

USIM_P_RST_N

12p C338

VREG MSMC

VREG MSME

MC-146_7pF

R309

2.2K

LCD DRVN

KPD DRVN

KPDPWRN

VIB DRVN

VSW PA

VREG PA

VDD PA

VSWMSMC

VDDMSMC

VDDMSME

VSWMSME

VREGMMC

VDD RUIM

VREGRUIM

C337

32.768KHz

C336

4.7u

12p

1608

REV_D

KYBD_BACKLIGHT

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

+VPWR

PM_ON_SW_N

USIM_RST_N

MOTOR_PWR-

USIM_P_CLK

E

USIM_P_DATA

USIM_CLK

USIM_DATA

VREG_USIM_2.85V

VREG_MMC_3.0V

C339

C340

C358

REV_B

smd 2520h1 6 r

smd 2520h1 6 r

2.2u

2.2u

22u

L305

4.7uHL300

4.7uHL301

1608

1608

REV_E

4.7uH

VREG_RF_SMPS

C435

C436

C433

C434

C344

Power Line --> Route carefully!!!!!

C343

4.7u

4.7u

22u

10u

0.1u

1000p

1608

1608

Draw the Artwork_line thickly !!!!!

0.1u

C341

C389

0.1u

--->> USB_VBUS , FLASH_DRV_N , KPD_DRV_N , KEY_ON_SW_N , MOT_PWR-

F

LCD LDO

Artwork --> Place resistor and capacitor close to PM6650 !!

U302

R1114D281D-TR-F

C

		T-FLASH
				R314			VREG_MMC_3.0V
D		100K	100K
				0
	S300
	SCHA1A0100	R315	R316
	GND
	DAT2_RSV
	CD_DAT3_CS
	CMD_DI
	VDD
	CLK_SCLK
	VSS
	DAT0_DO
	DAT1_RSV		470K		EVLC18S02003	VA304 EVLC18S02003	VA305 EVLC18S02003	VA306 EVLC18S02003
	GND			C351
			R318	VA303
				0.1u
E

F	OJ300 OJ301	OJ302 OJ303
				3
	1
			2

LG(42)-A-5505-10:01

MCP(512Mb NAND + 512Mb 1 piece SDRAM)

MEMORY

USIM

R317

15K

5

J300 HSSC-8P-18

GND1

VCC

1

VREG_USIM_2.85V

6

VPP

RST

2

USIM_P_RST_N

MMC_CD

USIM_P_DATA

7

IO

CLK

3

USIM_P_CLK

MMC_CMD

8

RSV2

RSV1

4

9

11

MMC_CLK

EVLC18S02003

10

GND2

GND5

12

VA300

GND3

GND4

C35233p

r51005hsmd

C3530.1u

EVL14K02200 VA301

EVLC18S02003 VA302

MMC_DATA

L302

56nH

4 5 6 7 8

+VPWR

LCD_LDO_EN

+VPWR CAM_LDO_EN

+VPWR

CAM_LDO_EN

+VPWR

WLED_PWR

LCD_BL_CTRL

REV_C	R380	REV_B
		100K

9

1

VDD

VOUT

3

VREG_LCD_2.8V

VREG MSME1.8V

4

NC

GND1

2

C345

VREG MSMC1.25V

6

CE

GND2

5

1u

C346

1u

C

CAMERA LDO

CHARGER

1

U303 RT9011-MGPQW

ICHARGEOUT

VIN

VOUT1

8

VREG_CAM_AVDD_2.8V

R313

2

7

+VPWR

USB_VBUS

3

EN1

VOUT2

6

VREG_CAM_DVDD_1.8V

SI3493DVE3- Q301

0.1

EN2

NC2

C347

4

NC1 PGND

GND

5

C348

C349

6

5

4

1u

9

1u

1u

Q300

QST4

VBATT

D4

D3

S

C1

C2

3 B

D2

1

2

USB_CTL_N

D1

G

D

3

VIN

VOUT

4

VREG_CAM_DVDD_1.5V

2

GND

BGND

6

+5V_PWR

STBY

NC

BATT_FET_N

1

5

C350

6

5

4

Q302

C447

U501

1u

BH15LB1WHFV

QST4

1u

REV_D

1

C1

2

C2

3 B

CHG_CTL_N

LCD BACKLIGHT

ICHARGE

Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT

U305

AAT3157ITP-T1

E

5

IN

C1+

10

REV_B

C354

C355

9

1u

Section

Date

Sign & Name

Sheet/

1u

C1-

U250/KU250

7

Sheets

8

CP

C2+

C356

Jaykay

MODEL

6

1u

Designer

MAR.07.2007

3/4

C2-

11

EN_SET

1

D1

WLED_1

C357

2

D2

3

WLED_2

Checked

1u

D3

WLED_3

4

12

GND

NC

DRAWING

MEM & POWER

Approved

NAME

DRAWING

LG Electronics Inc.

REV_1.0

NO.

LG Electronics Inc.

LGMC

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