LG LG400GT Service Manual
Date: January, 2008 / Issue 1.0
Service Manual
Model : LG400GT
Service Manual
LG400GT
Internal Use Only
Z3X-BOX.COM
- 71 -
GND
IN
OUT
PWR
URXD
UTXD
3G 2.5G
GND
RX
TX
VCHAR
ON_SW
VBAT
13
Place closest to U101.H16
VRWLED
43
Place closest to U13
80
VRABB
C
VRMEM
1
D
1.8/2.8
VRUSB
2
3.3
6
117
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.
200/1001.8/2.8
9
B
Place closest to U101.G16
F
D
0.1uC130
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
NC1A1NC2
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
NAR146
VBAT
0.1uC123
2.2u
C146
750K
R?
NA
R143
0.1u
V_ABB
0.1u
C149
C126
NA
R100
R117 120K
1u
680R108
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
470nC132
C107 0.1u
C152
R106
1u
V_IO
680
NA
R138
2.2KR121
0.1u
0.1u
C428
C115
C129
V_IO
0.1u
2.2K
R120
C101
OJ103
10p
1u
C138
0R114
V_IO
C142
0.1u
V_SIM
100KR124
R109 680
R416 DNI
R126 82
VBAT
680R102
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
VSS8U5VSS9
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
VSS10U8VSS11
C17
VSS2H1VSS3C1VSS4
A7
VDDX
D16
R10
VDD_DBB1
VDD_DBB2U6VDD_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_IO4C9VDD_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
TCKB1TDIB2TDOA2TMS
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
100nHL100
10R119
VBUS_USB
R103 680
TP121
TP123
32.768KHz
X100
12
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
0.1uC137
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
10KR125
TP102
NA
R139
VBAT
0.1uC128
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
100nHL102
X101
W-191-866
26MHz
2
GND1
GND2
4
1
HOT1
C148
1u
C105
C102
15p
10p
0.01u
C147
V_IO
0.1uC124
R101 680
100nH
1u
L101
0.1u
C133
C135
1u
C158
0R112
680R104
R140
10K
1u
220K
R115
C131
C100
15p
C141
22p
680R110
NA
R135
VBAT
R113 0
V_EXTH
V_BACKUP
1u
C156
C170
NA
VDDRF1
47p
C125
0
R413
R107 680
0R418
3
CLK
GND1
4
7
GND2
GND389GND4
GND5
10
6
IO
RST
2
VCC
1
5
VPP
VCHG
J100
0R116
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_CLKSIM_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
- 72 -
2
1
7
SPEAKER AMPLIFIER
Memory (64Mb Nor + 32Mb pSRAM)
8
END
3
2
KEYPAD
9
5
B
MENU
SEL
9
6
Rev.D: 1u, 10V
D
CLEAR
UP
Rev.C: 2.2u, 6.3V
#
4
HANDSET MICROPHONE
10
C
6
RIGHT
A
3
A
B
C
E
4
SEND
KEY BACKLIGHT
LEFT
SPK & RCV SWITCH
0
1
5
D
1
*
OK
3
5
8
DOWN
7
4
4.7
R204
2
VA202
C211
KB218
100p
20K
R205
TP210
20K
R234
C210 100p
0.1uC212
1u
C206
LEBB-S14E
LD208
C205
0.1u
47p
C209
R221
100ohm
KB214
KB202
R213 100K
R231
2.2K
100ohm
R223
MICBIAS
VA200
ICVS0505481FR
100ohm
R226
C217
1u
KB213
10K
R207
VBAT
39p
C224
100ohm
R224
C201 220n
LD206
LEBB-S14E
0.1u
C218
100K
R209
KB206
KB205
KB211
100ohm
R222
KB200
C200
LEBB-S14E
LD207
220n
V_MEM
KB210
LEBB-S14E
LD209
R218
100ohm
KB219
KB215
R215
150
39p
C222
KB201 KB203
LD205
LEBB-S14E
LEBB-S14E
LD203
100ohm
R220
100ohm
R219
V_MEM
LD200
LEBB-S14E
C223 22n
KB208
TP202
TP204
R233
20K
C215
VBAT
2
BYPASS
7
GND
IN+
3
4
IN-
9
PGND
VDD
6
5
VO+
8
VO-
_SHUTDOWN
1
39p
U200 TPA6205A1DRBR
VBAT
C207
1u
LEBB-S14E
LD204
VA201
RFU6
G5
D12
RFU7
RFU8
E7
H7
R_CE_
R_CRE
H8
R_LB_
C7
C8
R_UB_
D3
R_WAIT
TEST
E9
VCC
D7
E3
VCCQ1
D5
VSS1
F3
VSS2
E12
VSSQ2
D8
WE_
F_RST_
E8
D9
F_VPP
A1
NC1
A14
NC2
C3
NC3
C12
NC4
H3
NC5
H12
NC6
NC7
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
S71VS064KB0U202
E4
A16
D11
A17
A18
E10
D10
A19
A20
E5
A21
D4
E6
AVD_
A_DQ0
G12
G11
A_DQ1
20KR200
C220
1u
C204
22n
OB4-15L42-C33L
1
2
KB209
GND
4
7
S1
6
S2
VCC
9
MIC200
FSA2268TUMX
U402
1A
810
1B0
1
1B1
5
2A 2B0
2
2B1
3
KB207
10KR230
KB217 CLEAR
KB204
R225
100ohm
C202
47p
KB216
R212
10
KB212
10u
C219
Q200
2SC5585
2
3
1
100K
R206
TP207
R208
100K
100ohm
R217
LD201
TP206
LEBB-S14E
47p
C208
100p
R232
100K
C214
4.7
R201
C216
1u
OK
C213
100p
TP208
C221
10
R210
NA
8.2K
LEBB-S14E
LD202
R202
R203 8.2K
R216
1K
R227
2.2K
SPK_N
SPK_P
EAR_N
EAR_P
SPK_P
SPKNA
KBR(0)
PWON
SPK_RCV_P
SPK_RCV_SEL
SPK_RCV_N
KBC(3)
SPK_N
KBC(4)
KBC(2)
KBC(1)
KBC(0)
KBR(4)
KBR(3)
KBR(2)
KBR(1)
KEY_BACKLIGHT
nBLE
CKM
nRDYMEM
RnW
nMOE
nFADV
FDP
nCS3
MICIN
MICIP
SPKPA
SPK_EN
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)
ADD(19)
ADD(20)
ADD(21)
nBHE
nCS0
DATA_ADD(0)
DATA_ADD(1)
DATA_ADD(2)
DATA_ADD(3)
DATA_ADD(4)
DATA_ADD(5)
DATA_ADD(6)
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Z3X-BOX.COM
- 73 -
1
ID
Voltage
11
F
A
C
HIGH 1.8V
R_MIN : 180K -> 61mA
A
2
9
4
C
F
152
CHARGING
E
E
D
1 5 16
D
10 128
D
4
GP(NOVATEK) LOW
6
D
0V
GP(NOVATEK)
LCD CONNECTOR
C
8
BATTERY CONNECTOR
INDICATOR LED SWITCH
VIBRATOR
FOLDER SENSE
E
3
B
6
R_REF : 27K -> 450mA
F
5
(10V,Z,Y5V)
C
(2012)
14
I/O CONNECTOR
13
3 9
E
MAKER
(50V,J,NP0)
B
NA
7
7
2.2K
R352
R377 47
INOUT_A1
INOUT_A2
2
INOUT_A3
3
4
INOUT_A4
INOUT_A5
5
6
INOUT_A6
INOUT_B1
13
12
INOUT_B2
11
INOUT_B3
INOUT_B4
10
9
INOUT_B5
INOUT_B6
8
FL301
ICVE31186E150R101FR
G17G2
14
1
FB2
100nHL300
R419 0
C301
47p
VBAT
0R358
0R376
VA307
EVLC14S02050
VA300
C313
0.1u
C305
120p
C312
R420
NA
1u
C303
VA308
1u
180K
R317
47p
C316
0
R321
R328
FB1
100K
NAR365
C326
4.7u
2
3
VBAT
CN300
1
R353
NA
FB3
VA302
R319
4.7K
100K
V_IO
R329
VCHG
10K
R326
33u
1000p
C307
C324
56p
V_EXTH
V_IO
C327
C310
0.1u
100K
R324
VA305
VBAT
V_IO
10K
V_BACKUP
V_IO
VA304
R325
R322
0
NA
C314
8
BAT
5
GND
IMIN
6
IREF
7
9
PGND
VIN
1
3
_CHG
_EN
4
2
_PPR
ISL6294U300
22u
2.2K
R331
VBAT
C317
C325
2200p
47R378
NA
R303
NA
R327
C304
R369 47
V_IO
1u
C315
0.1u
8
9
20KR309
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
7G114
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_C1Q1_E
Q2_B
5
Q2_C3Q2_E
4
C306
VBAT
V_IO
Q301
R359 NA
R357 NA
VA306
UMX1NTN
Q300
2
56
31
4
47K
R323
22
23
24
R364 0
6
7
8
9
16
25
26
27
28
29
30
17
18
19
20
21
CN301
1
10
11
12
13
14
15
2
3
4
5
VA301
EVLC14S02050
VA303
EM-0781-T5U301
3
NC2OUT
1
VDD4VSS
R414
4.7K
27K
R318
VBUS_USB
47R368
NAR356
C311
NA
C302
18p
10K
R302
10u
R354
2.2K
C328
MOTOR_P MOTOR_P
LCD_ID
IND_LED_B
IND_LED_R
LED_B_EN LED_R_EN
LCD_D(2)
LCD_D(1)
LCD_D(0)
LCD_ADS
IND_LED_B
LCD_D(0:7)
VIB_EN
FOLDER
SPK_RCV_P
SPK_RCV_N
IND_LED_R
_LCD_WR
_LCD_CS
LCD_RESET
MLED2
MLED1
VRWLED
LCD_D(7)
LCD_D(6)
LCD_D(5)
LCD_D(4)
LCD_D(3)
CHG_STATUS
CHG_EN
UART_DSR
HSMIC
TMS
TCK
TDI
TDO_ARM
JACK_DETECT
HSOL
USB_DM
USB_DP
RPWON
UART_TX
UART_RX
BATT_TEMP
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Z3X-BOX.COM
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