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

- 146 -

Page 144 Page 146
Page 145
Image 145
LG Electronics U250 service manual 146, LCD Connector
Page 144 Page 146

U250 specifications

The LG Electronics U250 is a distinguished device known for its cutting-edge features and innovative technologies within the mobile phone sector. Launched as part of LG's effort to cater to a growing demand for functional yet stylish smartphones, the U250 boasts an array of characteristics that appeal to a savvy clientele.

One of the primary features of the U250 is its impressive display. Sporting a vibrant screen that offers excellent color reproduction and clarity, it enhances the user experience for gaming and multimedia consumption. The responsive touchscreen interface allows for seamless navigation, making it user-friendly for all age groups.

The U250 is powered by a robust processor that ensures smooth performance, whether multitasking between applications or running demanding games. With ample RAM, it minimizes lag and enhances the overall operating experience, allowing users to switch effortlessly between tasks.

Photography enthusiasts will appreciate the U250's advanced camera system. It is equipped with a high-resolution primary camera that captures stunning images in various lighting conditions. The inclusion of features like autofocus and image stabilization significantly elevates the quality of photos and videos. Additionally, the front-facing camera is designed for high-quality selfies and video calls, ensuring that users can always stay connected.

The device supports a range of connectivity options, including 4G LTE, Bluetooth, and Wi-Fi, ensuring users can remain connected to the world around them. The integration of NFC technology also enables quick and convenient transactions, particularly useful in a cashless society.

Battery life is another standout characteristic of the U250. With a durable battery, it offers extended usage time, allowing users to go through their day without the constant worry of recharging. Coupled with fast-charging capabilities, it reduces downtime significantly.

The LG U250 runs on an intuitive operating system that provides easy access to a plethora of apps on the platform. Customization options are abundant, allowing users to tailor their device's appearance and functionality to suit their preferences.

In conclusion, the LG Electronics U250 combines striking design with versatile functionality, making it a formidable entry in the smartphone market. With its impressive display, powerful performance, advanced camera features, and strong battery life, the U250 is poised to meet the needs of modern users seeking both style and substance in a mobile device. Whether for work or leisure, this smartphone is designed to enhance everyday life.
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