LG Electronics U250 service manual 146, LCD Connector

7. CIRCUIT DIAGRAM

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

A

B

CN400

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

LCD CONNECTOR

ICVE21184E150R500FR

LCD_RESET_N
LCD_IF_MODE_0		INOUT_A1			INOUT_B1		LCD_CS_N
LCD_IF_MODE_1	1				9		LCD_ADS
		INOUT_A2			INOUT_B2
LCD_VSYNC	2				8		EBI2_WE_N
		INOUT_A3			INOUT_B3
	3				7		EBI2_OE_N
		INOUT_A4			INOUT_B4
	4				6
			G1		G2
			5	10		FL401

ICVE21184E150R500FR

91

INOUT_B1 INOUT_A1

82

INOUT_B2 INOUT_A2

73

INOUT_B3 INOUT_A3

64

INOUT_B4 INOUT_A4

G2	G1
10	5
	FL400

ICVE21184E150R500FR

91

INOUT_B1 INOUT_A1

82

INOUT_B2 INOUT_A2

73

INOUT_B3 INOUT_A3

64

INOUT_B4 INOUT_A4

	G2	G1
10		5
		FL402
ICVE21184E150R500FR

INOUT_A1 INOUT_B1

19

INOUT_A2 INOUT_B2

28

INOUT_A3 INOUT_B3

37

INOUT_A4 INOUT_B4

46

G1	G2	FL403
5	10

EBI2_DATA(0)

EBI2_DATA(1)

EBI2_DATA(2)

EBI2_DATA(3)

TP400
	L400
TP401	56nH
EBI2_DATA(4)	D400
EBI2_DATA(5)
EBI2_DATA(6)	RB521S-30
EBI2_DATA(7)

EBI2_DATA(8)

EBI2_DATA(9)

EBI2_DATA(10)

EBI2_DATA(11)

+VPWR

MOTOR_PWR-

VREG_MSMP_2.7V
						R401
0.1u					R402	5.1K
C400
		5	4	VIN-	1M	10K
	1
HOOK_KEY		VCC				R404
	OUT	GND	3	VIN+
					100K	MIC2N
		2
	U400					MIC2P
NCS2200SQ2T2G					R405
						HPH_L
						HPH_R
						USB_D+
						USB_D-
						EAR_SENSE_N
VBAT_SENSE				R408		VBATT
				470K REMOTE_PWR_ON
						+5V_PWR
47n	C403	R409	680K			USB_VBUS
						UART_TXD
						UART_RXD

MICBIAS			I/O CONNECTOR
2.2K
R400
R403
VREG_MSMP_2.7V
51K
			C401	33u	R406	100ohm
	C402		33u	R407	100ohm
	FL404		REV_B
2	OUT	IN	1
4	G2	G1	3
	NTS104B

CN401

HSEJ-18S04-25R

21

191

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

A

B

C

D

10

9

8

7

6

5

4

3

2

1

EVL14K02200 VA410 EVL14K02200 VA409

ICVE21184E150R500FR

INOUT_A1 INOUT_B1

19

INOUT_A2 INOUT_B2

28

INOUT_A3 INOUT_B3

37

INOUT_A4 INOUT_B4

46

G1		G2
5	10		FL405

C409 0.1u PLW0501H-LF D402 INSTPAR

EBI2_DATA(12) EBI2_DATA(13) EBI2_DATA(14) EBI2_DATA(15)

LCD_MAKER_ID

VREG_LCD_2.8V WLED_1 WLED_2 WLED_3

WLED_PWR

REV_B : Change Pin Description

CN402

20

1

VBAT

VA401EVLC18S02003

VA402EVL14K02200

VA403EVL14K02200

C4050.01u

EVL14K02200VA404

EVL14K02200VA405

D401SD12T1G

C406

C432

C1005X7R1H471KT

47pC407

47pC408

VA490

EVL14K02200VA407

EVL14K02200VA408

0.1uFC404

EVLC18S02003VA400

22

VBAT_TEMP

2

1u

470p

EVL14K02200

3

4

C

VREG_MSMP_2.7V

R410

80.6K

VBAT_GND

REV_1.0

KEY_BACK_LIGHT LED(8EA)

D

E

CAMERA	AUDIO
MEGA CAMERA CONNECTOR	SELECT_SPK&RCV

+VPWR
LD400 LEBB-S14H R411						LD402	LEBB-S14H
LD403	LEBB-S14H	100ohm	LD404	LEBB-S14H		LD405	LEBB-S14H	R413 100ohm
		R414			R415
LD406	LEBB-S14H	100ohm	LD407	LEBB-S14H	100ohm	LD408	LEBB-S14H	R416 100ohm
		R417			R418
		100ohm			100ohm			R419 100ohm
REV_B : EDLH0013501 --> EDLH0006001
KYBD_BACKLIGHT

E

F

CAM_DATA_OUT(0) CAM_DATA_OUT(1) CAM_DATA_OUT(2) CAM_DATA_OUT(3) CAM_DATA_OUT(4) CAM_DATA_OUT(5) CAM_DATA_OUT(6) CAM_DATA_OUT(7)

22

23 D0

24 D1

1 D2D3

2D4

3 D5

4 D6

5 D7

32	31	30	29		28	27	26	25
	PGND1	PGND2	PGND3	PGND4	PGND5	PGND6	PGND7	PGND8		20
									PCLK
										19
									VSYNC	18
				CN403					HSYNC	12
								STANDBY		11
									SCK
									SDA	10
									RESETB	9
									MCLK	7
	DGND1	DGND2	DGND3	AGND1	AGND2	DVDD	VDDIO	AVDD
8	15	21	6		17	13	14	16
						0.1uF C411	1u C412			0.1u C414

	REV_1.0
	R436	0	CAM_PCLK
			CAM_VSYNC_OUT
			CAM_HSYNC_OUT
			MEGA_CAM_PWR_DOWN
			I2C_SCL
			I2C_SDA
			MEGA_CAM_RESET_N
			CAM_MCLK
	R437 20
			VREG_CAM_AVDD_2.8V
			VREG_CAM_DVDD_1.8V
C415	C448	C413	C449
10p	NA	10p	NA

U401

NLAS5223BMNR2G

110

+VPWR VCC NO2 SPK+

29

C410	SPK-	NO1	COM2	SPK_RCV+
0.01u

38

SPK_RCV-			COM1	IN2		RCV_EN_N
			4	7	10	R421
			IN1	NC2		RCV+
RCV-	R422	10	5	6		EVL14K02200 VA412
	EVL14K02200VA414		NC1	GND
						REV_B

MIC

VREG_MSMP_2.7V
				KEY MAP			PM_ON_SW_N
			2 4 6 8
R423	100K	RA400	100K			CLR	MENU
			1 3 5 7
KEY_ROW(0)
			400	401	402	LEFT	UP
			1	2	3
KEY_ROW(1)
			403	404	405	OK	RIGHT

END

END

F

REV_1.0

COMMON_CAM_MCLK

REV_B : SUMY0010301 --> SUMY0003802

MIC400

OB4-15L42-C33L

R424

2.2K

		MICBIAS
C416	C417
10u	47p

4	5	6
KEY_ROW(2)
406	407	408	SND	SEARCH
7	8	9
KEY_ROW(3)

C

D

CAM_DATA(0) CAM_DATA(1) CAM_DATA(2)

ICVE21184E150R500FR								ICVE21184E150R500FR
1		9	CAM_DATA_OUT(0)			CAM_DATA(3)	1		9	CAM_DATA_OUT(3)
INOUT_A1	INOUT_B1	8						INOUT_A1	INOUT_B1
2			CAM_DATA_OUT(1)			CAM_DATA(4)	2		8	CAM_DATA_OUT(4)
INOUT_A2	INOUT_B2	7						INOUT_A2	INOUT_B2
3			CAM_DATA_OUT(2)			CAM_DATA(5)	3		7	CAM_DATA_OUT(5)
INOUT_A3	INOUT_B3	6						INOUT_A3	INOUT_B3
4							4		6
INOUT_A4 INOUT_B4								INOUT_A4 INOUT_B4
G1	G2							G1	G2
5	10						5		10
FL406					ICVE21184E150R500FR			FL407
		CAM_DATA(6)		1		9	CAM_DATA_OUT(6)
					INOUT_A1	INOUT_B1
		CAM_DATA(7)		2		8	CAM_DATA_OUT(7)
					INOUT_A2	INOUT_B2
		CAM_VSYNC		3		7	CAM_VSYNC_OUT
					INOUT_A3	INOUT_B3

1

2

INSTPAR	INSTPAR
PSD05-LF	D403 PSD05-LF	D404

REV_B : EDTY0008606 --> EDTY0008601

39p	39p
C420	C421

C418	0.1u
	MIC1P
C419	0.1u
	MIC1N

R425 2.2K

HOT400	409	HOT401	DN	BACK
HOT4	0	HOT3
KEY_ROW(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)

D

CAM_HSYNC	4			6	CAM_HSYNC_OUT
		INOUT_A4	INOUT_B4
		G1	G2
	5		10
		FL408

	Audio AMP
		NCP2890DMR2
SPK_AMP_EN	1	_SD	OUTB	8

SPK-

KEYS

E

VT_CAMERA_CONNECTOR

VREG_CAM_AVDD_2.8V
	C424
20		19	18	17	16

VGA_CAM_RESET_N I2C_SCL

I2C_SDA

				REV_C : 20K --> 3K		R426	2	BYPASSU402 VM		7
			C422	0.1u	R4285.6K	20K			VP	6
	R427	1K					3
LINE_N								INP
	R429	1K	C423	0.1u			4		OUTA	5
LINE_P					R4305.6K			INM
		5600p								C428

+VPWR

SPK+

E

F

NA

GND8

GND7

P20

P19

P18

P17 P16

GND6

VREG_CAM_DVDD_1.5V

1

P1

GND5

2

COMMON_CAM_MCLK

3

P2

15

REV_1.0

P3

CN404

P15

CAM_PCLK

4

P4

P14

14

5

13

CAM_DATA_OUT(0)

P5

P13

12

P12

11

GND1

P11

GND2

P6

P7 P8

P9

P10

GND3

GND4

EVL14K02200

6

7

8

9

10

VA430

CAM_DATA_OUT(1)

CAM_DATA_OUT(2)

CAM_DATA_OUT(3)

CAM_DATA_OUT(4)

CAM_HSYNC_OUT CAM_VSYNC_OUT CAM_DATA_OUT(7) CAM_DATA_OUT(6)

CAM_DATA_OUT(5)

C426	C4275600p	R431			1u	C429	C430
		20K		C425
		C431
				10u		1000p	1000p
		NA
		L401	100nH		RCVN
		SPK_RCV-
		L402	100nH		RCVP
		SPK_RCV+
		REV_E : For Antenna Radiation

Section	Date	Sign & Name			Sheet/
				U250/KU250	Sheets
Designer	MAR.07.2007	Jaykay	MODEL
					4/4
Checked
			DRAWING	KEY / MMI
Approved			NAME	LCD/CAMERA
	LG Electronics Inc.		DRAWING	REV_1.2

NO.

1 2 3 4 5 6 7 8

9

LG(42)-A-5505-10:01	LG Electronics Inc.
	LGMC

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