LG Electronics U250 service manual 144, Nand & LCD

7. CIRCUIT DIAGRAM

1 2 3 4 5 6 7

8

9

10 11 12 13 14

15

16

A

B

SDRAM_DATA(0:31)

C

REV_B

Change 32 bit

D

SDRAM

E

EBI2_DATA(0:15)

F

NAND & LCD

C

(ADS signal for LCD)

SDRAM_ADDR(0:14)

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)

SDRAM ADDR(13)

SDRAM ADDR(14)

V1

L1

L4

M8

M4

N11

N8

N6

N2

N1

P1

P2

P6

P8

P11

SDRAM_DATA(31)

T8

A1_22

A1 24 GPIO79

A1 1

A1 2

A1 3

A1 4

A1 5

A1 6

A1 7 A1 8

A1 9

A1 10

A1 11

A1 12

A1 13 A1 14

SDRAM_DATA(30)

T6

SDRAM_DATA(29)

T4

A1_21

SDRAM_DATA(28)

R8

A1_20

SDRAM_DATA(27)

T2

A1_19

SDRAM_DATA(26)

T1

A1_18

A1_17

SDRAM_DATA(25)

R6

A1_16

SDRAM_DATA(24)

R4

A1_15

SDRAM_DATA(23)

W4

GPIO_74

SDRAM_DATA(22)

V6

SDRAM_DATA(21)

Y2

GPIO_73

SDRAM_DATA(20)

Y1

GPIO_72

SDRAM_DATA(19)

E1

GPIO_71

SDRAM_DATA(18)

R11

GPIO_70

SDRAM_DATA(17)

V4

GPIO_69

SDRAM_DATA(16)

U6

GPIO_68

GPIO_67

SDRAM_DATA(15)

L6

SDRAM1_D15

SDRAM_DATA(14)

L8

SDRAM1_D14

SDRAM_DATA(13)

K4

SDRAM1_D13

SDRAM_DATA(12)

J1

SDRAM_DATA(11)

K6

SDRAM1_D12

SDRAM_DATA(10)

J2

SDRAM1_D11

SDRAM_DATA(9)

J4

SDRAM1_D10

SDRAM_DATA(8)

P4

SDRAM1_D9

SDRAM_DATA(7)

H4

SDRAM1_D8

SDRAM1_D7

SDRAM_DATA(6)

G2

SDRAM1_D6

SDRAM_DATA(5)

J6

SDRAM1_D5

SDRAM_DATA(4)

AB4

SDRAM1_D4

SDRAM_DATA(3)

D1

SDRAM1_D3

SDRAM_DATA(2)

AB2

SDRAM_DATA(1)

D2

SDRAM1_D2

SDRAM_DATA(0)

E2

SDRAM1_D1

SDRAM1_D0

AC15

XMEM2_CS_N1

LCD_CS_N

AF14

LCD_CS_N_GPIO38

NAND_CLE

AF10

UB2_N

NAND_CS_N

W14

XMEM2_CS_N0

EBI2_OE_N

AF7

OE2_N

AF4

EBI2_WE_N

AE10

WE2_N

NAND_ALE

T14

LB2_N_A2_0

NAND_READY

NAND2_FLASH_READY_GPIO33

EBI2_DATA(15)

AA10

D2_15

EBI2_DATA(14)

AC9

D2_14

EBI2_DATA(13)

W10

D2_13

EBI2_DATA(12)

AA9

D2_12

EBI2_DATA(11)

AE7

EBI2_DATA(10)

AC8

D2_11

EBI2_DATA(9)

W9

D2_10

EBI2_DATA(8)

AA8

D2_9

EBI2_DATA(7)

AC7

D2_8

D2_7

EBI2_DATA(6)

AF5

D2_6

EBI2_DATA(5)

AA7

D2_5

EBI2_DATA(4)

AE5

D2_4

EBI2_DATA(3)

AC6

D2_3

EBI2_DATA(2)

AE4

EBI2_DATA(1)

AF3

D2_2

EBI2_DATA(0)

AC5

D2_1

D2_0

AF13

LCD_ADS

A2_20_GPIO34

AA14

A2_19

T13

A2_18

AC14

A2_17

AE14

A2_16

W13

A2_15

AC13

AA13

A2_14

AF12

A2_13

A2_12

MODE

MSMPVREG2.7V

MSMPVREG2.7V

HKADC

VREGMSMP 2.7V

-RCV

RCV+

0

1

1

16-bit, NAND, Normal

ADC

HKADC(4):PCB_Rev_ADC

HKADC[5] - VBATT_TEMP

150K : 300K : 1.73V

MODE2 MODE1

MODE0

( Default Pull-Down)

0

0

0

Native, ARM JTAG

HKADC[0] - AMUX_OUT

150K : 10K : 0.016V

HKADC[1] - VBATT_SENSE

150K : 47K : 0.62V

HKADC[2] - HDET1

150K : 68K : 0.81V

BOOT_MODE3

BOOT_MODE2 BOOT_MODE1

HKADC[3] - TTY_ADC_DET

150K : 100K : 1.04V

0

0

1

8-bit, NAND, Normal

HKADC[4] - PCB_Rev_ADC

150K : 150K : 1.30V

RESET

36

1

0

1

8-bit, NAND, Trusted

PMIC_AUXIN[1]

150K : 470K : 1.97V

1%

R201

R202

AUDIO

1

1

1

16-bit, NAND, Trusted

PMIC_AUXIN[2] - PA_THERM

150K : 680K : 2.13V

150K

150K : 750K : 2.17V

SDRAM

CLOCK

VREG_MSME_1.8V

1%R435

HPH R

HPH L

C200

47p

Near to MSM

CLKSDRAM

CSSDRAMN(0)

CLKSDRAMEN

RASSDRAMN

CASSDRAMN

NRESIN

NRESOUT

TEMPVBAT

C202 220n

C203 220n

MICBIAS

MIC2N

MIC2P

MIC1N

MIC1P

1005 0.1uF 16V +80/-20%

(CAD : 10uF=>Input MSMA_2.6V)

WESDRAMN

DQM(3)SDRAM

DQM(2)SDRAM

DQM(1)SDRAM

DQM(0)SDRAM

MSMTCXO

CLKSLEEP

51K R204

OUTAMUX

SENSEVBAT

REV_B

300K

C201

47p

2012 10uF 6.3V +80/-20% Ceramic

VREG_MSMC_1.25V

VREG_MSME_1.8V

VREG_MSMP_2.7V

VREG_MSMA_2.6V

R207

NA

R206

R20551K

R20851K

R20951K

LINEN

LINEP

C204

22n

22n

MSM pin W18

C205

C206

C209

10p

4.7u

10u

0.1uF

C212

Place near

51

C210

C211

0.1u

10%

(CODEC VSS)

AB1

Y4

N4

G1

K8

AA2

U8

V8

U4

M6

L2

V2

W6

D18

A10

B10

A16

B16

F13

F11

AA4

AE17

T21

U23 Y23

AE21

AE22

AD1

V21

AA23

W21

V19

Y21

AB23

AC18

AC17

AA17

W17

AE18

AF18

T15

AA18

AA19

AC22

AC21

AC19

AC20

AF19

AE19

AF21

AF22

AF20

AE20 AA20

C213

C214

C215

C216

0.01u

0.01u

0.01u

0.1uF

C217

C218

C219

C220

C221

CLKROM1SDRAM1 CLK

N2CSXMEM1SDRAM1 CS N0

SDRAM1 CLK EN

NADVROM1SDRAM1 RAS N

NLWAITXMEM1SDRAM1 CAS N

XMEM1 HWAIT N

NWE1SDRAM1 WE N

SDRAM125A1DQM3 GPIO75

SDRAM123A1DQM2 GPIO78

NUB1SDRAM1 DQM1

NLB1SDRAM1 DQM0 OE1 N

XMEM1 CS N0

TCXO

USB XTAL48 IN USBXTAL48 OUT

SLEEP XTAL IN

SLEEPXTAL OUT

RESIN N

RESOUT N

RESOUT N EBI1

WDOG EN

MODE2

MODE1

MODE0

BOOT MODE

BOOT MODE2

BOOT MODE3 HKAIN0

HKAIN1

HKAIN2

HKAIN3

HKAIN4

HKAIN5

LINE ON

LINE OP HPH R

HPH L

EAR1ON

EAR1OP

MICBIAS

AUXOUT

HPH VREF

LINE L IP

LINE L IN

GRFC9_GPIO12

D5

0.01u

0.01u

0.1uF

0.1uF

0.1uF

C231

DAC_REF

IP R LINE

IN R LINE

AUXIN

AUXIP

MIC2N

MIC2P

MIC1N

MIC1P CCOMP

F25

SDCC_DAT1_GPIO99

M25

SDCC_DAT2_GPIO100

M26

SDCC_DAT3_GPIO101

AE3

LCD_MAKER_ID

C222

C223

C225

C226

C227

C228

C229

C230

MDP_VSYNC_SECONDA_GPIO104

AD2

2200p cap => place between

MDP_VSYNC_PRIMARY_GPIO105

LCD_VSYNC

1000p

1000p

0.01u

0.01u

0.01u

0.01u

0.1uF

0.1uF

WDOG_STB_SBCK1_GPIO0

H25

TP200 WDOG monitoring

D12(VDDA1) and F12(DAC_REF)

SBDT1_GPIO1

F26

PA_ON1_GPIO2

H11

CAMCLK_PO_GP_MN_GPIO13

J21

CAM_MCLK

2200p

A6

GPIO28

N19

LCD_IF_MODE_0

C232

C233

C234

C235

C236

C237

C238

C239

C240

C242

USB_RX_DATA_GPIO29

W15

XMEM2_CS_N2_GPIO35

AA15

VGA_CAM_RESET_N

1000p

1000p

1000p

1000p

0.01u

1000p

1000p

1000p

0.1uF

0.1uF

XMEM2_CS_N3_GPIO36

AE13

LCD_EN_GPIO37

LCD_LDO_EN

GPIOs

Near to B18 (VDD_PLL)

GPIO43

B6

LCD_RESET_N

VREG_MSMA_2.6V

H9

SYNTH2_GPIO65

F8

HOOK_KEY

GPIO66

XMEM1_CS_N1_GPIO76

Y6AA1

R211

XMEM1_CS_N3_SDRAM1_CS_N1_GPIO77

L25

0

UART3_RFR_N_GPIO87

H6

C243

UART2_DP_RX_DATA_GPIO89

F18

RCV_EN_N

C244

SYNTH0_GP_PDM0_GPIO92

H18

Close to MSM

C2

H2

W2

AC2

AE8 AE16 T25

G25

D25

B24 B14 B11

B5

F2 K2

M2

R2 U2

AE6

AE11 AE15

R25

K25 B15 B9

A3

B18 B21

D12 P23 U25 U26 Y26 AA26

AE23 AE24

AA16

AF17

0.1u

0.01u

SBST1_GPIO93

LCD_IF_MODE_1

10%

TX_AGC_ADJ

H13

TX_AGC_ADJ

VDD DIG 0 VDD DIG 1 VDD DIG 2

VDDDIG 3

VDDDIG 4

VDDDIG 5

VDDDIG 6

VDDDIG 7

VDDDIG 8

VDDDIG 9

VDDDIG 10

VDDDIG 11

VDDDIG 12

VDDPAD1 0

VDDPAD1 1

VDDPAD1 2

VDDPAD1 3

VDDPAD1 4

VDDPAD2 0

VDDPAD2 1

VDDPAD2 2

VDDPAD3 0

VDDPAD3 1

VDDPAD3 2

VDDPAD3 3

VDDPAD4 0

VDD PLL

VDD MDDI

REF)DAC(VDDVDDA1

VDDA2

VDDA3

VDDA4

VDDA5

VDDA6

VDDA7 VDDA8 VDDA9 VDDA10

PA_ON0

F17

PA_ON

33nFC246

M1

C26

Q_OUT

A13

TX_QP

VSS_PAD1_1

(PLLOUT_TEST)

C1

TRK_LO_ADJ

L13

2K

R213

TRK_LO_ADJ

TCXO_EN_GPIO94

F19

TCXO_EN

A12

F1

RESERVED

Q_OUT_N

TX_QM

VSS_PAD1_0

B12

K1

I_OUT_N

B13

TX_IM

R1

VSS_PAD1_2

VSS_DIG_0

H1

I_OUT

TX_IP

VSS_PAD1_3

VSS_DIG_1

DAC_REF

F12

DAC_REF

U1

VSS_PAD1_4

VSS_DIG_2

W1

VSS_DIG_3

AC1

U201-1

Q_IM_CH1

W23

RF

AF6

VSS_PAD2_0

VSS_DIG_4

AF8

I_IM_CH1

W25V25

AF15

VSS_PAD2_2

VSS_DIG_6

G26T26

Q_IP_CH1

V23

AF11

VSS_PAD2_1

VSS_DIG_5

AF16

MSM6245_A

I_IP_CH1

AA25

RX_QP

R26

VSS_PAD3_1

VSS_DIG_7

D26

Q_IP_CH0

Y25

B17

VSS_DIG_9

A24

Q_IM_CH0

RX_QM

VSS_PAD3_0

VSS_DIG_8

I_IM_CH0

AB25

RX_IM

A15

VSS_PAD3_2

VSS_DIG_10

A14

AC25

A9

A11

I_IP_CH0

RX_IP

VSS_PAD3_3

U201-2

VSS_DIG_11

MSM6245_B

VSS_DIG_12

A5

A18

VSSA1

VSS_DIG

AC23

GP_PDM2_PA_RAN_GE1

D17

A21

VSSA2

GP_PDM1_PA_RAN_GE0

H17

PA_R0

D13

VSSA3

H15

D19

VSSA4

AA21

TRST_N

P26

VSSA5

NC

MSM6280 Reference Rev.B : AA21 -> NC

D16

U19

TCK

F15

V26

VSSA6

AA6

AC23: VSS_DIG

TMS

D15

W16

VSSA7

VSS39

AC4

TDI

A17

W18

VSSA8

w18 (Analog VSS guard ring for CODEC)

VSS41

AE1

TDO

H16

W26

VSSA9

VSS43

AE2

RTCK

VSSA10

VSS44

AB26

VSSA11

VSS45

AE25

AUX_PCM_CLK_GRFC14_GPIO80

K19

SPK_AMP_EN

AC16

VSSA12

VSS46

AE26

AUX_PCM_DIN_GRFC13_GPIO14

N21

AC26

VSSA13

VSS47

AF1

AUX_PCM_DOUT_GRFC12_GPIO103

G4

AD25

VSSA14

VSS48

AF2

J8

AF23

AF25

AUX_PCM_SYNC_GRFC11_GPIO102

H12

TX_ON

AF24

VSSA15

VSS49

AF26

TX_ON_GRFC10

VSSA16

VSS2

VSS3

VSS4

VSS5

VSS6

VSS7

VSS8

VSS9

VSS10

VSS11

VSS12

VSS13

VSS14

VSS15

VSS16

VSS17

VSS18

VSS19

VSS20

VSS21

VSS22

VSS23

VSS24

VSS25

VSS26

VSS27

VSS28

VSS29

VSS30

VSS31

VSS32

VSS33

VSS34

VSS35

VSS36

VSS37

VSS38

VSS50

GRFC8_GPIO11

T23

VSS1

B4

GRFC7_GPIO10

T19

ANT_SEL1

A1

A2

A25

A26

B1

B2

B25

B26

D4

D23

F6

F21

H8

H19

K10

L11

L16

M11

M12

M13

M14

M15

N12

N13

N14

N15

P12

P13

P14

P15

R12

R13

R14

R15

T11

T16

W8

W19

GRFX6_GPIO9

ANT_SEL0

GRFC5_AUX_SBST_GPIO8

D11

GRFC4_AUX_SBCK_GPIO7

H10

GRFC3_GPIO6

F10

GRFC2_GPIO5

D9

GSM_PA_BAND

A8

GRFC1_AUX_SBDT_GPIO4

B8

GSM_PA_EN

GRFC0_GPIO3

A

B

C

D

E

F

C

D

E

AE12

A2_11

UART1 RFR N PA POWER CTL MGPIO98

AC12

A2_10

AA12

A2_9

W12

A2_8

T12

A2_7

AC11

A2_6

AA11

A2_5

AC10

KEYSENSE4 N GPIO48

KEYSENSE3 N GPIO47

KEYSENSE2 N GPIO46

KEYSENSE1 N GPIO63

KEYSENSE0 N GPIO62

UART1 CTS N GPIO97

W11

A2_4

AF9

A2_3

AE9

A2_2

A2_1

GPIO45

GPIO53

GPIO52

GPIO51

GPIO50 GPIO49

U21

R23

D14

P19

R21

A4

L12

D10

A7

B7

F9

P21

P16

M23

UART1 DP RX DATA GPIO96

UART1 DP TX DATA GPIO95

GPIO44 GPIO39

GPIO64

UART2 RFR N GPIO91

UART2 CTS N GPIO90

UART2 DP TX DATA GPIO88

UART3 CTS N GPIO86

UART3 DP RX DATA GPIO85

UART3 DP TX DATA GPIO84 GPIO40

GPIO42

USB DAT VP

USB SE0 VM

USB OE TP N

MMC CMD GPIO30

MMC DATA SDCC DAT0 GPIO32

MMC CLK SDCC CLK GPIO31

SBST

SBDT SBCK

I2C SDA GPIO26

I2C SCL GPIO27

CAMIF DATA9 GPIO61

CAMIF DATA8 GPIO60

CAMIF DATA7 GPIO59

CAMIF DATA6 AUX TDO GPIO58

CAMIF DATA5 AUX TDI GPIO57

CAMIF DATA4 AUX TMS GPIO56 CAMIF DATA3 AUX TCK GPIO55

CAMIF DATA2 AUX TRST N GPIO54

CAMIF VSYNC GPIO16

CAMIF HSYNC GPIO15

CAMIF PCLK GPIO82

CAMIF DATA0 GPIO83

CAMIF DATA1 GPIO81

GPIO19

GPIO17

SYNTH1 GPIO41 RINGER GPIO18

PA POWER CTL

GSM PA DAC REF

L26

D8

F7

F14

F4

G6

E4

L23

M21

M19

D6

D7

N26

N23

N25

H14

L14

M16

H26

J23

L21

K21

N16

F20

F16

D20

L15

J19

D22

C25

D21

B3

E23

K23

J25

J26

G21

K26

H23

L19

P25

AD26

					BT_CLK_GPIO25	G23
						F23
				BT_SBST_GPIO24
						E26
				BT_SBCK_GPIO23
						E25
				BT_SBDT_GPIO22
						H21
				BT_TX_RX_N_GPIO21
						R19
				BT_DATA_GPIO20
					MDDIC_DATP	A22
						A23
					MDDIC_DATN	B22
STBNMDDIH	STBPMDDIH	DATNMDDIH	DATPMDDIH	USEEFVDD	MDDIC_STBP	B23
					MDDIC_STBN
A19	A20	B19	B20	R16

BT_CLK

for VSS_THERMAL

BT_SBST

BT_SBCK

BT_SBDT BT_TX_RX_N BT_DATA

Section Date Sign & Name Sheet/

D

E

F

1

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

U250/KU250

Sheets

10%

MSM pin AD26

12

RTS

Designer

MAR.07.2007

Jaykay

ROW(4)KEY

ROW(2)KEY ROW(1)KEY

COL(0)KEY

COL(1)KEY

COL(2)KEY COL(3)KEY COL(4)KEY

MMCCD UARTRXD UARTERR)TXD

USIMCLK

RSTUSIMN

INTPM N

HOLDPS

USBDAT USBSE0 USBOE N

MMCCMD MMCDATA MMCCLK

SSBDTPM

CAMDATA(6)

CAMDATA(5) CAMDATA(4) CAMDATA(3)

CAMDATA(2)

CAMDATA(1)

CAMHSYNC

CAMPCLK CAMLDO EN PWRCAMMEGADOWN LCDBL CTRL CAMMEGARESET N EARSENSE N

PAGSMRAMP

PWRPAGSMCTL REF

C247

Place near

TP404

4

NC1

UFLS

DRAWING

USB_VBUS

ROW(3)KEY

ROW(0)KEY

DATAUSIM

RTRSSBDT

DATA(7)CAM

DATA(0)CAM VSYNCCAM

0.1u

8

NC2

PWR

MODEL

CTS

2/4

USB_D+

10

NC4

UTXD

11

DSR

CAMERA

USB_D-

9

NC3

URXD

Checked

VBATT

TP402

7

VBAT

VBAT

KEYPAD

USIM PMIC

USB

MicroSD

TP403

6

BOOT(NAND

R214

2.2K

REMOTE_PWR_ON

5

ON_SW ON_SW

MSM

UART

UART_TXD

TX

TX

R215

2.2K

VREG_CAM_AVDD_2.8V

UART_RXD

TP405

3

RX

RX

Approved

NAME

(Check CAM_DATA PINOUT !!!!)

TP406

2

GND

GND

1

2.5G

3G

I2C SDA

I2C SCL

UART

LG Electronics Inc.

DRAWING

REV_1.0

NO.

2

3

4

5

6

7

8

9

LG Electronics Inc.

LGMC

- 144 -