LG ME550d, Service Manual

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4
NO.
Sheet/
Checked
C
D
Delete R120 after PV EVENT
MEGA SIM SOCKET
6 8 9 4
Sheets
LG Electronics Inc.
5 1 2
D
MODEL
B
Iss.
10
1
B
C
3
Date
Sign & Name
Name
2
Notice No.
Section
E
A
5
A
Designer
7
Date
3
DRAWING
NAME
DRAWING
01/23
2007
K
MIC & SIM & KeyLED & B/T & Batt.Conn.
1/2
ME550c Main Key
Approved
BLUETOOTH (Shielding Block)
Connect the digital and analog ground in the 4 layer, do not connect on the top layer
For ECM MIC Test
BATTERY TERMINAL
NOT MOUNT
1.1
120
R129
ANT100
1
2
3
4
0
R110
LEBB-S14H
LED100
CN100
C112
10K R113
0.1u
NA
VBAT
C110
C100
100p
VA100
EVLC14S02050
R124
120
2
URST
1
VDD
6
VPP_MMC_CLK
VBAT
R109 NA
J100
5
GND
9
GND1 GND2
10
MMC_CMD
8
MMC_DAT
4
UCLK
3 7
UIO
C101
NA
R122
NA
R120
120
LED104
MIC100
SP0204LE5-PB
2
G1
G2
3
G3
5
OUT
1
4
PWR
0 R119
V_28
150p
C120
C106
27p
C107
4.7u
4.7u
C116
10K R102
VRIO
CE
6
2
GND1
5
GND2
4
NC
VDD
1 3
VOUT
C104
0.1u
R1114D281D-TR-F U100
ZD100
1uF
GRM36Y5V105Z6.3PT
C118
1u
C123
150p
LED108 LED106
C117
0.1u
LED107
C115
4 5
6
7
8
KA_OUT
0.1u
SC100
1
2
3
0
R117
ANA_OUT
1u
C103
DBF81H903
4
BL1
BL2
5
DC
2
6
GND1
GND2
7 8
GND3
NC
1
UNBL
3
1u
C119
FB100
R114 NA
120
R125
22p
C122
0.1u
100nH
L100
C121
LED102
NA R111
LED103 LED105
VBAT
C124
100p
R118 NA
120
C114
R127
NA
R123
120
C108
VLDO_OUT
VLDO_OUT
47p
LED101
R128
120
R126
C113
NA
VBAT
120
C111
10u
C102
0.1u
100nH
L102
L101
100nH
RFIO_OUT
NA
RFIO_OUT
ANA_OUT
R115
R121
NA
ANT101
VRSIM
TP100
R116 24
R130
0.1u
120
KA_OUT
C105
XTALP_FAST_CLK_IN
C109
27p
A3 H8
VDD_IO_SF1 VDD_IO_SF2
B3 G5
VLDO_OUT
VSS1
H7
VSS2
A5 B8
VSS3
G8
VSS4
A2
VSS5
H4
VSSA1 VSSA2
D1
VSSA3
F3 G2
VSSA4 VSSA5
G1 F4
VSSA6
XTALM
E1
E2
KA_OUT
NSHUT_DOWN
E3
G3
OSC_LDO_OUT
RFIO_LDO_OUT
F2
H2
RFM
RFP
H1
F6
SLOW_CLK_IN
G4
TL_LDO_OUT
A8
TX_DBG
H6
VBAT
C2
VDD_IN_ANA
VDD_IN_BB
F5
VDD_IN_OSC
H3
VDD_IN_RFIO
F1 D8
VDD_IO1
VDD_IO2-1
G7
VDD_IO2-2
HCI_RX
HCI_TX
E5
IO0_EXT_CLK_REQ_OUT
D7
IO14
B4
IO15
F7
C6
IO1_EXT_CLK_REQ_IN
IO2_SCL
B7
IO3_SDA
D5
A6
IO4
C4
IO5
C8
IO7
D6
JTAG_SEL
D4
JTAG_TCK
JTAG_TDI
C3
E6
JTAG_TDO
JTAG_TMS
B5
G6
B2
ANATEST1
C1
ANATEST2
D2
ANA_LDO_OUT
B6
AUD_CLK
AUD_FSYNC
A7
AUD_IN
C5
AUD_OUT
C7
A4
BB_LDO_OUT1
BB_LDO_OUT2
H5
F8
BB_LDO_OUT3
BGAP_I
A1
BGAP_V
B1
E8
HCI_CTS
HCI_RTS
E7
E4
C125
U101
BRF6150HZSL
10u
820 R108
BT_CTS
BT_RTS
MCSI1_DIN
MCSI1_DOUT
MCSI1_SYNC
MCSI1_BCLK
RF_P
RF_M
BT_NRST
BT_RX
BT_TX
UART_TXD
SYSCLKEN
BT_CLK
CLK_32K
BT_CLK_REQ
MIC_ABB_P
MIC_ABB_N
MAIN_KEY_BL_EN
VBATS
BATT_TEMP
SIM_IO SIM_CLK
SIM_RST
MEGA_DAT0_28
MEGA_CLK_28
MEGA_CMD_28
SIM_PWRCTRL
MICBIAS
RF_M
RF_P
7. CIRCUIT DIAGRAM
ME550d