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- 71 -

GND

IN

OUT

PWR
URXD
UTXD

3G

2.5G

GND
RX
TX
VCHAR
ON_SW
VBAT

13

Place closest to U101.H16

VRWLED

4

3

Place closest to U13

80

VRABB

C

VRMEM

1

D

1.8/2.8

VRUSB

2

3.3

6

11

7

5

16

20

20

VREXTL

7

2

C

C

VRSIM

15

Isolate

3

E

1.8/2.85

VRRTC

2.8

Current(mA)

20

10

5

F

A

1.8

E

A

1

15

VRIO

H/W REV.

14

1.3/1.05

Voltage(V)

D

15

8

1.8/2.85

1.8

6

200

3

10

VRPLL

VRMMC

C

E

100

D

12

B

1.8

E

200

F

1.3/1.4/1.05

VREXTH

100

Domain

9

SIM_CONNECTOR

8

4

200

TEST TP

N.A.

200/100

1.8/2.8

9

B

Place closest to U101.G16

F

D

0.1u

C130

B

C

E

HSMICBIAS

C154

DTC144EM-T2L

Q100

B14

A15

VRWLED_2

VSP_VCK

T3

T4

VSP_VDR

VSP_VDX

T2

VSP_VFS

U3

WAKEUP1

M12

1u

K17
H16

VCC5_1

H17

VCC5_2

F10

VCC6

VCCS

A10

U12

VIBDR

VRABB

B2

VREXTH

L17

VREXTL

G17

J16

VRIO

VRMEM

U11

T10

VRMMC

T12

VRPLL

N17

VRRTC

VRSIM

A3

B8

VRUSB

VRWLED_1

U1

U2

TDO

K12

TESTRESET

TESTV

B17

R1

TMS

VAC

B11

VBACKUP

R17

B12

VBAT

VBATS

B10

M16

VBG

B9

VBUS

VCC1

L16
U10

VCC2_1
VCC2_2

T11

VCC3

C3

K16

VCC4_1
VCC4_2

SE0_VM_TXD_TEST3

M10

SIMDTC

H1

SPKGND_1

SPKGND_2

N1

SPKNA_1

M6
M7

SPKNA_2

SPKND_1

M1
M2

SPKND_2

SPKPA_1

K6
L6

SPKPA_2

SPKPD_1

K1
K2

SPKPD_2

SPKVDD_1

L1
L2

SPKVDD_2

STARTADC

M9

TCK

T1

TDI

U17

OE_INTN__TEST1

B3

U15

ONNOFF

OSC32KIN

R16

OSC32KOUT

T16

P1_INT2

R2

A12

PCHGAC

PCHGUSB

A11

T15

PCLKREQ

T14

PWON

RCV_TEST4

F6

M17

REFGND

G12

REGEN

U13

RPWON

SCL1

T8

U7

SDA1

B6

A5

IREF

L12

C16

LED_A

E17

LED_B
LED_C

F17

MCLK1

M11

MICBIAS

G6

MICIN

F2
G2

MICIP

NC1

A1

NC2

A2

A16

NC3

NC4

A17

NC5

B1

T17

NC6

U16

NC7

NC8

G16

GND_VBUS

F9

HSDET

F16

D2

HSMIC

H6

HSMICBIAS

HSOL

G1

HSOR

F1
J6

HSOVMID

T7

I2S_SCK

I2S_SDR

T6

U5

I2S_SDX

U6

I2S_WS

ICTLAC1

F11

ICTLAC2

F12

A13

ICTLUSB1

B15

ICTLUSB2

ID_USB

M8

H12

CKEN

P16

CLK32KOUT

B4

DAT_VP_RXD_TEST2

A7

DM_TXD_SPKR_L

DP_RXD_MIC_R

A8

H2

EARN

J2

EARP

FILTERAPLL

P2

FML

C2

GND_DBB

J12

GND_PWR1

T9

GND_PWR2_1

D16

GND_PWR2_2

C17

U8

GND_PWR3

A6

GND_PWR4
GND_PWR5

T3031FZPH

U100

ADCIN3

B7
F7

ADCIN4

F8

ADCIN5

AUDVMID

E1

C1

AUXI_FMR

BM_PRECH

B16

BM_SEL

R148

NA

NA

R146

VBAT

0.1u

C123

2.2u

C146

750K

R?

NA

R143

0.1u

V_ABB

0.1u

C149

C126

NA

R100

R117

120K

1u

680

R108

C155

C159

2.2u

C121
10u

C112

4.7n

V_RTC

V_IO

C136

0.1u

TP108

C139
2.2u

SIM_PW_CTL

NA

R131

4.7u

C116

R130

NA

V_SIM

R123

100K

470n

C132

C107

0.1u

C152

R106

1u

V_IO

680

NA

R138

2.2K

R121

0.1u

0.1u

C428

C115

C129

V_IO

0.1u

2.2K

R120

C101

OJ103

10p

1u

C138

0

R114

V_IO

C142
0.1u

V_SIM

100K

R124

R109

680

R416

DNI

R126

82

VBAT

680

R102

2.2u

TP109

C145

47p

C110

R133

3.3

C113

4.7u

R105

680

C120

V_MMC

1000p

10K

R147

OJ101

V_EXTL

MICBIAS

C143
22p

K14

VSSRF4
VSSRF5

L13

VSSX

E15

B14

VSS_PLL

R8

WAKEUP_REQ

XANATST3

U15

XANATST4

U16

T16

XANATST5

R17

XANATST6

D15

XTAL

VBAT

VBAT

VSS5

A10

VSS6

A12

VSS7

T14

U12

VSS8

U5

VSS9

M13

VSSA1

VSSA2

N15

VSSOSC1

J14

VSSOSC2

J15

VSSOSC3

H15

VSSPBIAS

U11

M15

VSSRF1

G15

VSSRF1_1

H14

VSSRF1_2

VSSRF2

L15
K15

VSSRF3

C13

VDD_PLL

U10

VDD_RST

VDD_USIM

T12

M8

VDR

T6

VDX

K9

VFSRX

VPP1

B17

A17

VPP2

E17

VREF

R16

VREF1

R1

VSS1

VSS10

U8

VSS11

C17

VSS2

H1

VSS3

C1

VSS4

A7

VDDX

D16

R10

VDD_DBB1

VDD_DBB2

U6

VDD_DBB3

N1

B4

VDD_DBB4

B15

VDD_DBB5

VDD_DBB6

A11

A8

VDD_DBB7

VDD_DBB8

A13

VDD_IO1

U3

U7

VDD_IO2

A15

VDD_IO3

VDD_IO4

C9

VDD_IO5

A3

VDD_MIF1

K1

E1

VDD_MIF2

USB_SE0_UART_TX

L8

USB_TXEN_UART_RTS

M7

USIM_CLK

P10

USIM_IO

R11

USIM_PBIAS

T11

M10

USIM_PWCTRL

N11

USIM_RST

R7

VCLKRX

P16

VDDA1

P15

VDDA2

VDDOSC

H16

T15

VDDR1RX

F16

VDDR1TX1

F15

VDDR2

VDDRF

H17

VDDRF1

G16

T2

TRSTN

F12

TSPACT11

TSPACT12

H10

C14

TSPACT13

TSPACT14

E12

TSPACT15

G10

TSPACT9_GPIO_4_CDI

R9

TXHB

G17

TXLB

F17

UART_CTS

R2
R3

UART_RTS_SD_IRDA

UART_RX

L7

UART_TX

P3

USB_BOOT_GPIO_3_LPG

T10

USB_DATA_UART_RX

R5

USB_RCV_UART_CTS

T4

L17

RXDCSP

M16

RXEGSMM

L16

RXEGSMP

N17

RXGSMM

M17

RXGSMP

RXPCSP

K16

RXPSCM

J16

SCL_TRIT

N7

R6

SDA_TRIT

SENSE

A16

SPARE2

U2

SPARE3

U1

A1

TCK

B1

TDI

B2

TDO

A2

TMS

NC3

H13

G13

NC4

NC5

F13

N12

NC6

NC7

M12

L12

NC8

NC9

K12

NCS3

L5

ND_CE1

D3

E5

ND_NWP_CAM_D4

NMOE

M1

N10

ONNOFF

RES1

D4

RES2

R14

L1

RNW

RXDCSM

K17

LCD_NRST

C10

NBHE

L3

M2

NBLE

T1

NBSCAN

NC1

K13

NC10

J12
H12

NC11

G12

NC12

L11

NC13
NC14

K11
J11

NC15
NC16

H11

NC17

L10
K10

NC18
NC19

J10

NC2

J13

G11

KBC0

KBC1

C16

E13

KBC2

KBC3

C15

KBR0

F11

KBR1

E11

C12

KBR2

KBR3

H9

E9

LCD_DAT_NDF_0

LCD_DAT_NDF_1

B8

LCD_DAT_NDF_2

C8

LCD_DAT_NDF_3

E8

B7

LCD_DAT_NDF_4

LCD_DAT_NDF_5

D8

C7

LCD_DAT_NDF_6

B6

LCD_DAT_NDF_7

D2

GPIO_36_NCS1

M3

GPIO_40_NRDY
GPIO_41_ADV

J7
L6

GPIO_42_CKM

N3

GPIO_43_MCSI_CK

GPIO_43_NCS0

E3

M5

GPIO_44_MCSI_FS

GPIO_45_MCSI_TX

K7

P2

GPIO_46_MCSI_RX

N9

GPIO_5_TSPACT8

GPIO_7_NFWP_CAM_D2

G6

F10

GPIO_8_KBR4

B12

GPIO_9_KBC4

I2C_SCL

R4

I2C_SDA

N6

IREF

R15

GPIO_1_PWT

K8

A5

GPIO_21_CAM_LCLK

GPIO_23_SPI_CLK

G9

F7

GPIO_24_SPI_MISO

C5

GPIO_25_SPI_MOSI

E6

GPIO_26_SPI_NCS0

G8

GPIO_27_SPI_NCS1

C4

GPIO_28_SPI_NCS2_CAM_D7

GPIO_29_BU_CAM_D6

G7

T3

GPIO_2_PWL

B3

GPIO_30_LT3_CAM_D5

GPIO_31ND_RE

C3

GPIO_32ND_CLE

F6

GPIO_33ND_ALE

H8

GPIO_34ND_RDY

C2

F5

GPIO_35_NCS2

J2

DATA_ADD7

J4

DATA_ADD8

J6

DATA_ADD9

DCD_TXIR_GPIO_0_CAM_D1

M6

DSR_RXIR_GPIO_47_CAM_D0

N5

FDP

K6

FORCE

B16

C11

GPIO_10_NEMU0

GPIO_11_NEMU1

D10

B11

GPIO_12_LPG_TSPACT10

GPIO_13_LCD_NCS0

E10

GPIO_14_LCD_STB

B10

F9

GPIO_15_LCD_RNW

D9

GPIO_16_LCD_RS

B9

GPIO_17_LCD_NCS1

A6

GPIO_18_ND_WE

CKOUT_13MHZ

N8

P9

CSCLK
CSYNC

M9

DATA_ADD0

K4
L2

DATA_ADD1

H2

DATA_ADD10
DATA_ADD11

H3

DATA_ADD12

H5
G2

DATA_ADD13

G1

DATA_ADD14
DATA_ADD15

H4

DATA_ADD2

K5
K3

DATA_ADD3
DATA_ADD4

K2

DATA_ADD5

J5

DATA_ADD6

J3

G5

ADD22_GPIO_39

H7

ADD23_GPIO_37

ANATST1

T17

U17

ANATST2

APC_LDO_FILTER

R12

M11

APC_OUT

L9

APC_SPARE1

U13

APC_VDO

R13

APC_VREF

APC_VSS

N13

CAM_D3_GPIO_19_CAM_HS

F8

CAM_D3_GPIO_20_CAM_VS

E7

CAM_D3_GPIO_22_CAM_XCLK

C6

T9

CD0

CK13MHZ_EN

T7

CKIN_32KHZ

T8

D6591BUZPH

U101

P8

ABB_IRQ

G3

ADD16

F1

ADD17

F2

ADD18
ADD19

H6

ADD20

J8
F3

ADD21

TP106

R128

DNI

C134

0.1u

100nH

L100

10

R119

VBUS_USB

R103

680

TP121

TP123

32.768KHz

X100

1

2

3

4

TP120

MC-146_7pF

NA

R415

0

C119

0.1u

C150

2.2uH

L103

0.01u

C106

C127

0.1u

TP122

R127

15K

V_IO

0.1u

C137

RB551V-30TE-17

D100

4.7u

C114

R142

NA

V_SIM

R132

47K

C111

47n

V_SIM

R129

C140

10K

V_IO

0.1u

R122

2.2K

V_USB

10K

R125

TP102

NA

R139

VBAT

0.1u

C128

1.5M

R118

OJ102

TP119

R111

220K

C108

4.7u

C122

4.7p

1000p

NA

C103

C153

470n

C118

4

NC1

NC2

7
8

NC3

NC4

9

ON_SW

5

RTS

11

2

RX

TX

3

VBAT

6

OJ100

V_RTC

UA100

12

CTS

10

DSR

1

GND

0.1u

C144

750K

R137

1u

V_MEM

V_PLL

C104

C157

0.5p

HOT2 3

100nH

L102

X101

W-191-866

26MHz

2

GND1

GND2

4

1 HOT1

C148

1u

C105

C102
15p

10p

0.01u

C147

V_IO

0.1u

C124

R101

680

100nH

1u

L101

0.1u

C133

C135

1u

C158

0

R112

680

R104

R140

10K

1u

220K

R115

C131

C100
15p

C141
22p

680

R110

NA

R135

VBAT

R113

0

V_EXTH

V_BACKUP

1u

C156

C170

NA

VDDRF1

47p

C125

0

R413

R107

680

0

R418

3

CLK

GND1

4

7

GND2
GND3

8

9

GND4

GND5

10

6

IO

RST

2

VCC

1

5

VPP

VCHG

J100

0

R116

1u

VDDA

C151

47p

RPWON

RPWON

USB_BOOT

C109

ANT_SW1

HSOL

KEY_BACKLIGHT

KEY_BACKLIGHT

MOTOR_P

UART_TX

UART_RX

SPK_RCV_SEL

LCD_D(0:7)

LCD_ADS

_LCD_WR

KBR(0)

LED_R_EN

SPK_EN

SIM_CLK

SIM_IO

VRWLED

LED_B_EN

PCS_RXP

PCS_RXN

MLED1

MLED2

LCD_ID

SIM_RST

DITHERING

USB_DP

USB_DM

UART_DSR

UART_RX

_LCD_CS

JACK_DETECT

JACK_DETECT

CLK32K

RPWON

PWON

TEMPSENSE

BATT_TEMP

STARTADC

UART_CTS

UART_RTS

RPWON

UART_DSR

UART_TX

SPKNA

SPKPA

EAR_P
EAR_N

HSMIC

MICIP

MICIN

VCHG

CKEN

FOLDER

TMS

TCK

TDO_ARM

TDI

ADD(19)
ADD(20)
ADD(21)
ADD(22)

RnW

nBHE
nBLE

nMOE

nCS3

FDP

nRDYMEM

nFADV

CKM

nCS0

DATA_ADD(3)
DATA_ADD(4)
DATA_ADD(5)
DATA_ADD(6)
DATA_ADD(7)
DATA_ADD(8)
DATA_ADD(9)

DATA_ADD(10)
DATA_ADD(11)
DATA_ADD(12)
DATA_ADD(13)
DATA_ADD(14)
DATA_ADD(15)

ADD(16)
ADD(17)
ADD(18)

KBC(3)

KBC(2)

KBC(1)

KBC(0)

CLK32K
CKEN

TXHB

GSM_RXN

GSM_RXP

TXLB

DATA_ADD(1)
DATA_ADD(2)

LCD_D(0)

CHG_STATUS

CHG_EN

LCD_RESET

SIM_RST

SIM_CLK

SIM_IO

SIM_PW_CTL

KBR(3)

KBR(2)

KBR(1)

KBC(4)

STARTADC

TX_RAMP

ANT_SW2

PA_EN

PA_BAND

LCD_D(7)

LCD_D(6)

LCD_D(5)

LCD_D(4)

LCD_D(3)

LCD_D(2)

LCD_D(1)

DATA_ADD(0)

KBR(4)

DITHERING

CKOUT_13MHZ

UART_CTS

UART_RTS
UART_RX
UART_TX

USB_BOOT

P1_INT2

VIB_EN

7. CIRCUIT DIAGRAM

LGE Internal Use Only

Copyright © 2007 LG Electronics. Inc.  All right reserved. 
Only for training and service purposes

Z3X-BOX.COM

Summary of Contents for LG400GT

Page 1: ...Date January 2008 Issue 1 0 Service Manual Model LG400GT Service Manual LG400GT Internal Use Only Z 3 X B O X C O M ...

Page 2: ...NOFF RES1 D4 RES2 R14 L1 RNW RXDCSM K17 LCD_NRST C10 NBHE L3 M2 NBLE T1 NBSCAN NC1 K13 NC10 J12 H12 NC11 G12 NC12 L11 NC13 NC14 K11 J11 NC15 NC16 H11 NC17 L10 K10 NC18 NC19 J10 NC2 J13 G11 KBC0 KBC1 C16 E13 KBC2 KBC3 C15 KBR0 F11 KBR1 E11 C12 KBR2 KBR3 H9 E9 LCD_DAT_NDF_0 LCD_DAT_NDF_1 B8 LCD_DAT_NDF_2 C8 LCD_DAT_NDF_3 E8 B7 LCD_DAT_NDF_4 LCD_DAT_NDF_5 D8 C7 LCD_DAT_NDF_6 B6 LCD_DAT_NDF_7 D2 GPIO_...

Page 3: ...C7 K1 NC8 K14 F12 OE_ C4 RFU1 C11 RFU2 RFU3 H4 H11 RFU4 RFU5 G10 A_DQ10 G9 G8 A_DQ11 F7 A_DQ12 F6 A_DQ13 A_DQ14 G4 A_DQ15 G3 F9 A_DQ2 A_DQ3 F8 A_DQ4 G7 A_DQ5 G6 A_DQ6 F5 F4 A_DQ7 A_DQ8 F11 A_DQ9 F10 CLK D6 F_CE_ E11 S71VS064KB0 U202 E4 A16 D11 A17 A18 E10 D10 A19 A20 E5 A21 D4 E6 AVD_ A_DQ0 G12 G11 A_DQ1 20K R200 C220 1u C204 22n OB4 15L42 C33L 1 2 KB209 GND 4 7 S1 6 S2 VCC 9 MIC200 FSA2268TUMX U4...

Page 4: ...04 R369 47 V_IO 1u C315 0 1u 8 9 20K R309 13 14 15 16 17 18 19 2 20 21 22 3 4 5 6 7 CN302 1 10 11 12 330 R330 33u C300 C308 INOUT_B2 12 INOUT_B3 11 10 INOUT_B4 INOUT_B5 9 8 INOUT_B6 VCHG 27p ICVE31186E150R101FR FL300 7 G1 14 G2 INOUT_A1 1 2 INOUT_A2 3 INOUT_A3 INOUT_A4 4 5 INOUT_A5 INOUT_A6 6 13 INOUT_B1 HSMICBIAS V_IO R316 33K 27p 0 1u C309 2 Q1_B 6 Q1_C 1 Q1_E Q2_B 5 Q2_C 3 Q2_E 4 C306 VBAT V_IO...

Page 5: ...1 6 8nH L409 ANT400 ANT403 C421 27p 100p C431 C407 0 01u GND1 5 8 GND2 10 GND3 6 GSM1800_1900RX GSM1800_1900TX 1 4 GSM850_900RX GSM850_900TX 2 IN 9 7 VC_GSM1800_1900TX VC_GSM850_900TX 3 FL401 LMSP2PAA 575TEMP C406 0 01u Y1 Y2 L404 10nH 7 6 O2_2 NC7WV16P6X U401 A1 A2 GND VCC 2 G1 3 G2 5 G3 10 G4 I1 1 I2 4 9 O1_1 O1_2 8 O2_1 C402 2 2p B9310 FL400 L412 NA C425 R401 0 3p 100p C422 C426 27p C413 47p R4...

Page 6: ...8 19 20 21 22 23 24 12 13 14 15 2 3 4 5 6 7 8 9 16 25 26 27 CN1 1 10 11 100ohm R2 BAT1 VSYNC MODE SPK_RCV_P SPK_RCV_N IND_LED_B IND_LED_R MOTOR_P IND_LED_B D 0 7 D 4 D 5 D 6 D 7 LCD_ID _LCD_CS _LCD_WR MLED LCD_RESET MLED1 LCD_ADS MLED2 MOTOR_P D 0 D 1 D 2 D 3 D 0 7 D 3 D 4 D 5 D 6 D 7 LCD_RESET _LCD_CS _LCD_WR LCD_ADS D 0 D 1 D 2 SPK_RCV_P SPK_RCV_N IND_LED_R LCD_ID MLED2 MLED1 MLED 7 CIRCUIT DIAG...

Page 7: ... 76 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 8: ... Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 77 8 BGA IC Pin Check 8 BGA IC Pin Check 8 1 DBB U101 D6591BUZPH 8 2 ABB U100 T3031FZPH USE NOT IN USE Z 3 X B O X C O M ...

Page 9: ... 78 8 BGA IC Pin Check LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 8 3 Memory U202 S71VS064KB0 USE NOT IN USE Z 3 X B O X C O M ...

Page 10: ... 79 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 11: ... No Service U402 Analog Switch No Sound SPK Voice U200 SPK Amp No Sound SPK Voice U300 Charging IC No Charging U100 Triton lite ABB No Power On No Sound No LED CN301 FPCB conn No Display No Vibrator No Sound No Charging LED FL400 FEM GSM Rx Sensitivity No Service U101 Locosto DBB No Booting No Service No Display U202 Memory No Booting Z 3 X B O X C O M ...

Page 12: ... 81 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 13: ... 82 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

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