LG U300, Руководство по обслуживанию

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1% 1%
Near to MSM
MicroSD
Near to MSM
KEYPAD
RF
U300_REV_1.1
CLOCK
PCB_Rev_ADC
PMIC USB
< USB 48M CLK >
07/MAR/2006
HKADC
RESET
SDRAM
GPIOs
J.H.Jang
2/7
MSM6250A
U300
CAMERA
SDRAM
NAND & LCD
AUDIO
BLUETOOTH
UART USIM
C225
0.1u
R208
100K
C250
0.033u
C223
0.01u
1K R213
C242
0.01u
R220
51K
51K
R210
1000p
VREG_MSMC_1.25V
C224
22n
C221
10u
C207
R202
180K
VREG_MSMP_2.7V
C238
0.1u
0.1u
VREG_MSMP_2.7V
C210
C203 27p
C232
VREG_MSMA_2.6V
1000p
1000p
C235
VREG_MSMP_2.7V
0.01u
0.1u
C229
C213
C222
0.01u
51K
R215
C246
2200p
0.1u
C227
C234
0.01u 0.1u
C240
0.01u
C208
R209
NA
C228
0.1u
10u
C233
R214 2K
GND
V26
VDD_A
W16
NC
W19
GND
W23
VDD_A
W25
W8
NC
GND
T25
VDD_C
T26
VDD_P1
U1
VDD_A
U19
VDD_P1
U2
NC
U25
GND
V19
GND
V23
VDD_P3
R25
VDD_P3
R26
T11
NC
NC
T12
T15
NC
NC
T16
VDD_A
T19
VDD_A
T21
GND
R1
R11
NC
NC
R12
R13
NC
NC
R14
R15
NC
NC
R16
GND
R2
VDD_C
N4
P12
NC
NC
P13
P14
NC
NC
P15
GND
P23
VDD_A
P25
GND
P4
NC
M16
VDD_P1
M2
GND
M25
GND
M26
N12
NC
NC
N13
N14
NC
NC
N15
L12
NC
NC
L15
NC
L16
VDD_P1
M1
M11
NC
NC
M12
M13
NC
M14
NC
NC
M15
H19
NC
NC
H8
GND
K1
K10
NC
GND
K2
VDD_P3
K25
VDD_P3
K26
NC
L11
GND
F17
VDD_P1
F2
F21
NC
VDD_C
F25
VDD_C
F26
NC
F6
GND
G25
VDD_PLL
D17
VDD_C
D19
VDD_C
D2
NC
D23
D4
NC
GND
E2
VDD_P1
F1
DAC_REF
F13
NC
B3
VDD_C
B5
GND
B6
VDD_C
B9
NC
C2
C25
NC
VDD_DAC
D13
GND
D14 B15
VDD_P3
B17
GND
B18
B2
NC
GND
B20
GND
B21
NC
B24
B25
NC
NC
B26
AF2
NC
GND
AF23
NC
AF25
AF26
NC
VDD_P2
AF6
NC
B1
GND
B10
VDD_P3
B12
GND
AE26
NC
NC
AE3
VDD_P2
AE6
NC
AF1
GND
AF10
VDD_P2
AF12
GND
AF15
GND
AE14
GND
AE15
NC
AE17
GND
AE18
AE2
NC
NC
AE21
AE24
NC
NC
AE25
GND_RET
AC22
AC23
NC
NC
AC4
AD2
NC
AD25
NC
NC
AE1
GND
AE10
VDD_P2
AE12
AA21
NC
NC
AA25
NC
AA6
VDD_C
AB2
GND
AB26
VDD_C
AC14
VDD_A
AC16
GND
AC2
A26
NC
VDD_P4
A3
GND
A6
GND
A9
GND
AA1
GND
AA16
GND
AA2
VDD_A
AA20
EUSY0279001
A1
NC
A10
GND
VDD_P3
A12
GND
A15
VDD_P3
A17
A2
NC
GND
A21
NC
A25
U201-2
MSM6250A_3_B
10p
C211
C202
0.01u
C248
0.1u
0.1u C205
1000p
C243
C231
1000p
180K
R207
C206 0.015u
1000p
Q_IP_CH0
Y26
XMEM1_CS_N[2]_SDRAM1_CS_N[0]
Y4
SDRAM1_CS_N[1]_XMEM1_CS_N[3]_GPIO[77]
Y6
C244
SDRAM1_D[23]
W4
XMEM1_CS_N[0]
W6
EBI2_DATA[9]
W9
SDRAM1_D[20]
Y1
SDRAM1_D[21]
Y2
HKADC[2]
Y21
MODE[0]
Y23
Q_IM_CH0
Y25
EBI2_ADD[15]
W13
NAND2_CS_N_XMEM2_CS_N[0]
W14
HPH_R
W15
HPH_L
W17
MICOUTN
W18
SDRAM1_D[19]
W2
I_IP_CH0
W21
I_IP_CH1(Reserved)
W26
I_IM_CH1(Reserved)
V25
SDRAM1_D[17]
V4
SDRAM1_D[22]
V6
GPIO[75]_SDRAM1_DQM[3]
V8
SDRAM1_D[18]
W1
EBI2_ADD[1]
W10
W11
EBI2_ADD[6]
EBI2_ADD[9]
W12
Q_IP_CH1(Reserved)
U23
MODE[2]
U26
GPIO[78]_SDRAM1_DQM[2]
U4
SDRAM1_D[16]
U6
WE1_N_SDRAM1_WE_N
U8
GPIO[79]_SDRAM1_A[0]
V1
OE1_N_SDRAM1_CLK_EN2
V2
I_IM_CH0
V21
EBI2_ADD[14]
T13
LCD2_EN_GPIO[37]
T14
SDRAM1_D[27]
T2
ANT_SEL1_N_GPIO[10]
T23
SDRAM1_D[29]
T4
SDRAM1_D[30]
T6
SDRAM1_D[31]
T8
Q_IM_CH1(Reserved)
U21
SDRAM_ADD[13]
P8
ANT_SEL0_N_GPIO[9]
R19
KEYSENSE_N[4]_GPIO[48]
R21
KEYSENSE_N[3]_GPIO[47]
R23
SDRAM1_D[24]
R4
SDRAM1_D[25]
R6
SDRAM1_D[28]
R8
SDRAM1_D[26]
T1
SDRAM_ADD[10]
P1
SDRAM_ADD[14]
P11
KEYSENSE_N[2]_GPIO[46]
P16
KEYSENSE_N[1]_GPIO[63]
P19
SDRAM_ADD[11]
P2
KEYSENSE_N[0]_GPIO[62]
P21
GSM_PA_PWR_CTL
P26
SDRAM_ADD[12]
P6
USB_SE0_VMI2C_SCL
N19
N2
SDRAM_ADD[8]
USB_DAT_VP_I2C_SDA
N21
USB_RX_DATA_GPIO[29]
N23
USB_OE_TP_N
N25
USB_SUSPEND_GPIO[17]
N26
SDRAM_ADD[7]
N6
SDRAM_ADD[6]
N8
UART1_RFR_N_GPIO[98]
M21 M23
UART1_DP_RX_DATA_GPIO[96]
SDRAM_ADD[4]
M4
UB1_N_SDRAM1_DQM[1]
M6
SDRAM_ADD[3]
M8
SDRAM_ADD[9]
N1
SDRAM_ADD[5]
N11
UART1_CTS_N_GPIO[97]
N16
UART3_DP_RX_DATA_GPIO[85]PM_SBST
L21 L23
UART3_CTS_N_GPIO[86]PM_SBDT
UART3_RFR_N_GPIO[87]
L25
UART1_DP_TX_DATA_GPIO[95]
L26
SDRAM_ADD[2]
L4
SDRAM1_D[15]
L6
SDRAM1_D[14]
L8
UART3_DP_TX_DATA_GPIO[84]PM_SBCK
M19
SDRAM1_D[13]
K4
SDRAM1_D[11]
K6
ROM1_WAIT_N_SDRAM1_CAS_N
K8
SDRAM_ADD[1]
L1
MMC_CMD_GPIO[30]
L13
TX_AGC_ADJ
L14
RINGER_GPIO[18]
L19
LB1_N_SDRAM1_DQM[0]
L2
GRFC[14]_GPIO[83]
J25
GRFC[12]_GPIO[81]
J26
SDRAM1_D[9]
J4
SDRAM1_D[5]
J6
SDRAM1_D[4]
J8
GRFC[11]_GPIO[80]
K19
SBCK
K21
GRFC[13]_GPIO[82]
K23
SDRAM1_D[7]
H4
SDRAM1_D[3]
H6
ETM_PIPESTAT1B_GPIO[43]
H9
SDRAM1_D[12]
J1
I2C_SCL_GPIO[27]
J19
SDRAM1_D[10]
J2
I2C_SDA_GPIO[26]
J21
SBDT
J23
RTCK
H16
PA_RANGE[0]_GP_PDM[1]
H17
H18
SBST1_GPIO[93]
CRE_SDRAM1_CLK_EN
H2
GP_MN_GPIO[13]
H21
ETM_GPIO_IRQ_SRC_GPIO[41]
H23
SBCK1_GPIO[0]
H25
SBST
H26
UART2_CTS_N_GPIO[90]
G6
SDRAM1_D[8]
H1
TX_VCO_1_EN_N_GPIO[7]
H10
KEYPAD_17_GPIO[53]
H11
GRFC[10]_TX_ON
H12
MMC_DATA_GPIO[32]
H13
TRK_LO_ADJ
H14
TRST_N
H15
BACKLIGHT_ETM_TRACECLK_GPIO[66]
F8
F9
KEYPAD_9_GPIO[49]
ROM1_ADV_N_SDRAM1_RAS_N
G1
G2
SDRAM1_D[6]
BT_TX_RN_N_GPIO[21]
G21
BT_CLK_GPIO[25]
G23
SBDT1_GPIO[1]
G26
SDRAM1_D[2]
G4
TMS
F15
F16
TDO
TCXO_EN_GPIO[94]
F18
F19
GP_PDM[0]_GPIO[92]
CAMIF_DATA[5]_GPIO[57]
F20
BT_SBST_GPIO[24]
F23
SDRAM1_D[0]
F4
UART1_DCD_N_GPIO[39]
F7
CAMIF_HSYNC_GPIO[15]
E23
BT_SBDT_GPIO[22]
E25
BT_SBCK_GPIO[23]
E26
UART2_RFR_N_GPIO[91]
E4
UHF_BAND_SEL_GPIO[6]
F10
UART1_RI_GPIO[64]
F11
RESOUT_N
F12
RESIN_N
F14
CAMIF_PCLK_GPIO[14]
D25
BT_DATA_GPIO[20]
D26
ANT_SEL3_N_GPIO[12]
D5
PM_INT_N_GPIO[40]
D6
PS_HOLD_GPIO[42]
D7
UART1_DTR_GPIO[44]
D8
GSM_PA_BAND_GPIO[5]
D9
SDRAM1_D[1]
E1
TX_VCO_0_EN_N_GPIO[8]
D11
MMC_CLK_GPIO[31]
D12
TDI
D15
TCK
D16
D18
ETM_TRACESYNC_GPIO[65]
CAMIF_DATA[9]_GPIO[61]
D20
CAMIF_DATA[7]_GPIO[59]
D21
CAMIF_DATA[2]_GPIO[54]
D22
CAMIF_DATA[3]_GPIO[55]
B23
ANT_SEL2_N_GPIO[11]
B4
B7
KEYPAD_11_GPIO[50]
UHF_VCO_0_EN_GPIO[3]
B8
UART2_DP_RX_DATA_USIM_PWR_EN_GPIO[89]
C1
CAMIF_DSP_CLK_GPIO[19]
C26
UART2_DP_TX_DATA_GPIO[88]
D1
KEYPAD_15_GPIO[52]
D10
EBI2_DATA[14]
AF8
EBI2_ADD[4]
AF9
USB_XTAL48_OUT
B11
B13
Q_OUT
I_OUT
B14
B16
SLEEP_XTAL_OUT
PA_ON[0]
B19
CAMIF_DATA[6]_GPIO[58]
B22
MIC1N
AF20
BOOT_MODE
AF21
MICINP
AF22 AF24
CCOMP
EBI2_DATA[2]
AF3
WE2_N
AF4
EBI2_DATA[6]
AF5
OE2_N_NAND2_RE_N
AF7
EBI2_ADD[2]
AE9
EBI2_ADD[11]
AF11
EBI2_ADD[18]
AF13
LCD2_CS_N_GPIO[38]
AF14
XMEM2_CS_N[3]_GPIO[36]
AF16
WDOG_EN
AF17
EAR1OP
AF18
AUXIN_AUXIR
AF19
AUXIP_AUXIL
AE19
MIC1P
AE20
MICINN
AE22
MICBIAS
AE23
NAND2_CLE_UB2_N
AE4
EBI2_DATA[4]
AE5
EBI2_DATA[11]
AE7
AE8
EBI2_DATA[13]
AC7
EBI2_DATA[7]
EBI2_DATA[12]
AC8
EBI2_DATA[15]
AC9
EBI2_DATA[1]
AD1
GSM_PA_PWR_CTL_REF
AD26
EBI2_ADD[10]
AE11
AE13
EBI2_ADD[17]
AE16
NAND2_FLASH_READY_GPIO[33]
AUXON_AUXOR
AC18 AC19
MIC2P
MICFBP
AC20
MICFBN
AC21
HKADC[4]
AC25
HKADC[3]
AC26
LB2_N_NAND2_ALE_A2[0]
AC5
EBI2_DATA[5]
AC6
EBI2_DATA[0]
AB4
ROM1_CLK_SDRAM1_CLK
AC1
EBI2_ADD[5]
AC10
EBI2_ADD[8]
AC11
EBI2_ADD[13]
AC12
EBI2_ADD[19]
AC13
XMEM2_CS_N[2]_GPIO[35]
AC15
AC17
EAR1ON
MODE[1]
AA26 AA4
RESOUT_N_EBI1
EBI2_DATA[3]
AA7
EBI2_DATA[8]
AA8
EBI2_DATA[10]
AA9
XMEM1_CS_N[1]_GPIO[76]
AB1
HKADC[5]
AB23
HKADC[1]
AB25
EBI2_ADD[12]
AA12
EBI2_ADD[16]
AA13
XMEM2_CS_N[1]
AA14
EBI2_ADD[20]_GPIO[34]
AA15
AUXOP_AUXOL
AA17
MIC2N
AA18
MICOUTP
AA19
HKADC[0]
AA23
CAMIF_DATA[4]_GPIO[56]
A23
CAMIF_VSYNC_GPIO[16]
A24
KEYPAD_MEMO_GPIO[45]
A4
GPS_TCXO_GPIO[28]
A5
KEYPAD_13_GPIO[51]
A7
GSM_PA_EN_GPIO[4]
A8
EBI2_ADD[3]
AA10
EBI2_ADD[7]
AA11
USB_XTAL48_IN
A11
Q_OUT_N
A13
I_OUT_N
A14
SLEEP_XTAL_IN
A16 A18
TCXO
PA_ON[1]_GPIO[2]
A19
PA_RANGE[1]_GP_PDM[2]
A20
CAMIF_DATA[8]_GPIO[60]
A22
MSM6250A_3_A
U201-1
EUSY0279001
22
R206
0.1u C204
C218 0.1u
10K
R205
C201
10p
0.1u C217
0.01u
C239
150K
R201
51K
R219
VREG_MSMA_2.6V
R221
51K
C216
TP_CAM_IF
0.015u
0.1u
C251
VREG_MSMP_2.7V
R217
0
C226
0.01u
1000p
C215
VREG_MSMP_2.7V
0.01u
C247
NA
VREG_MSMP_2.7V
C230
R212
0.01u
47K
R200
C249
470K
R204
VREG_MSME_1.8V
0.01u
R203
10K
0.1u
C237
51K
R216
0.01u
VREG_MSMA_2.6V
C212
12
3
4
FA-238
X200
48MHz
EXXY0015501
1000p
C245
C241
0.1u
C220
22n
1000p
C209
C200
1000p
27p
C236
C214
GND_RET
SDRAM_CLK
0.1u
SW_EN
MIC2N
MIC2P
DAC_REF
BOOT_MODE
WDOG_EN
MODE_1
RCV+
PA_R0
GSM_PA_PWR_CTL_REF
MMC_CMD
FLED_ON
NAND_WP_N
MID_SPK-
LCD_MAKER_ID
RX_QM
RX_QP
RX_IM
RX_IP
HOOK_SENSE_N
ON_SW_N
SUB_CS_N
CAM_P_DOWN
MMC_CD
CAM_PWR_EN
LCD_LDO_EN
PA_ON
BOOT_MODE
VBAT_SENSE
LCD_RESET_N
HDET1
SPK_AMP_EN
MULTI_ADC
RESOUT_N
CAM_IF_PROBE
USB_SE0
USB_OE_N
MODE_1
MAIN_CS_N
NAND_CS_N
NAND_CLE
EBI2_WE_N
EBI2_OE_N
MMC_DATA
MMC_CLK
TRK_LO_ADJ
WDOG_EN RCV- HPL_L HPL_R
VBAT_TEMP
RESET_IN_N
EAR_SENSE_N
LCD_IF_MODE
LCD_BACK_EN
CAM_DATA(2) CAM_DATA(6)
TX_IM
TX_QM
I2C_SDA
USB_XTAL_IN BUFF_TCXO SLEEP_CLK
I2C_SCL
SDRAM_CAS_N
TX_AGC_ADJ
FOLDER_DETECT
CAM_SENSE
EBI2_DATA(12)
EBI2_DATA(7)
EBI2_DATA(5)
NAND_ALE
MICFBN
MICFBP
EBI2_DATA(0)
EBI2_DATA(10)
EBI2_DATA(8)
EBI2_DATA(3)
AMUX_OUT
MICOUTP
LCD_ADS
GSM_PA_EN
KEY_COL(2) KEY_COL(5)
CAM_VSYNC
TX_IP
TX_QP
USB_XTAL_OUT
EBI2_DATA(14)
EBI2_DATA(6)
EBI2_DATA(2)
MICINP
MIC1N
EBI2_DATA(13)
EBI2_DATA(11)
EBI2_DATA(4)
MICINN
MIC1P
NAND_READY
EBI2_DATA(1)
EBI2_DATA(15)
PS_HOLD
PM_INT_N
BT_DATA
CAM_PCLK
CAM_DATA(0) CAM_DATA(5) CAM_DATA(7)
GSM_TX_VCO_0_EN_N
KEY_COL(1)
USIM_DATA
CAM_MCLK
KEY_COL(3)
ANT_SEL2
CAM_DATA(1) CAM_DATA(4)
SDRAM_DATA(6)
SDRAM_RAS_N
KEY_COL(4)
UART_DCD_N
SDRAM_DATA(0)
BT_SBST
CAM_DATA(3)
TCXO_EN
UART_RI
USIM_CLK
BT_SBCK
BT_SBDT
CAM_HSYNC
SDRAM_DATA(1)
GSM_PA_BAND
UART_DTR
SDRAM_DATA(5)
SDRAM_DATA(9)
SBDT
SDRAM_DATA(10)
SDRAM_DATA(12)
SDRAM_DATA(3)
SDRAM_DATA(7)
SBST
SDRAM_CLK_EN
RF_ON_TX_ON
KEY_COL(0)
GSM_TX_VCO_1_EN_N
SDRAM_DATA(8)
USIM_RST_N
SDRAM_DATA(2)
BT_CLK
BT_TX_RX_N
UART_RXD
UART_RFR_N
PM_SBCK
SDRAM_DATA(14)
SDRAM_DATA(15)
SDRAM_ADDR(2)
UART_TXD
PM_SBDT
PM_SBST
SDRAM_DQM(0)
SDRAM_ADDR(1)
SDRAM_DATA(11)
SDRAM_DATA(13)
SBCK
SDRAM_DATA(4)
SDRAM_ADDR(11)
KEY_ROW(1) KEY_ROW(2)
SDRAM_ADDR(14) SDRAM_ADDR(10)
SDRAM_ADDR(6) SDRAM_ADDR(7)
CAM_RESET_N
USB_DAT
SDRAM_ADDR(8)
UART_CTS_N
SDRAM_ADDR(5) SDRAM_ADDR(9) SDRAM_ADDR(3)
SDRAM_DQM(1)
SDRAM_ADDR(4)
SDRAM_DATA(31)
SDRAM_DATA(30)
SDRAM_DATA(29)
ANT_SEL1
SDRAM_DATA(27)
SDRAM_DATA(26)
SDRAM_DATA(28)
SDRAM_DATA(25)
SDRAM_DATA(24)
KEY_ROW(3) KEY_ROW(4)
ANT_SEL0
SDRAM_ADDR(13) SDRAM_ADDR(12)
GSM_PA_RAMP
KEY_ROW(0)
SDRAM_CS_N(0)
SDRAM_DATA(21)
SDRAM_DATA(20)
EBI2_DATA(9)
SDRAM_DATA(23)
SDRAM_DATA(19)
MICOUTN
SDRAM_DATA(18)
SDRAM_DQM(3)
SDRAM_DATA(22)
SDRAM_DATA(17)
SDRAM_ADDR(0)
SDRAM_WE_N
SDRAM_DATA(16)
SDRAM_DQM(2)
SDRAM_DATA(0:31)
EBI2_DATA(0:15)
SDRAM_ADDR(0:14)
USB_XTAL_OUT
USB_XTAL_IN
GND_RET MICBIAS
MICOUTN
MICOUTP
MICFBN
MICFBP
MICINN
MICINP
7. CIRCUIT DIAGRAM
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