LG ME550d User manual

Date: June, 2007 / Issue 1.0
Service Manual Model : ME550d
Service Manual
ME550d

- 117 -
GND
IN
OUT
VBAT
PWR
URXD
UTXD
3G 2.5G
GND
RX
TX
UFLS
ON_SW
14
DRAWING
NO.
VRMMC
80
VREXTL
SLIDE OPEN HIGH
LOW
Useless GPIO33 becauseof sleep crt
F
A
E
1.3 / 1.4 / 1.05
1
Domain
15
15
VREXTH
850
1.8
UART3 :
E
NAME
Designer
2.8
D
Name
C
E
10
200
200
[email protected]
[email protected]
11
D
Multimedia audio flow
3456 7
DRAWING
98
Checked
Notice No. Date
12
22K THERMISTER
N.A.
SLIDE SWITCH
SLIDE
13
SLIDE CLOSE
56 7
20
12
VRRTC
VRUSB
VRSIM
C
D
B/T Headset
TI RECOMMAND HSDET BUG
Serial Port Intf.
1.8 / 2.85
1.8 / 2.85
Voltage(V)
2.8
F
3.3
B/T, PCO Trace
23
B
1.8
1.8 /
1.3/1.05
B
UART1 -> USB
Download , Mass Storage
ETM test
F
C
[email protected]~2.8V
VRMEM
VRIO
1.8
C
100
A
VIBRATOR
Approved
MODEL
E
Section Date Sign & Name
Iss.
Current(mA)
[email protected]
1.8 / 2.8
16
VRDBB 1.4 - 0.95
1510
Sheet/
Sheets
LG Electronics Inc.
Triton external voice codec
VRPLL
VRABB
8
47K
R152
K
2007
01/24
ME550c MAIN
1/4
1.1
ABB/DBB
D
4 9
1000p
VREXTH
C101
C102
27p
NA
R136
VRIO
1KR130
C1540.1u
TP103
C114 0.1uF
0.1uFC113
15KR150 47nC118
ICVL0518400V500FR
VA101
0.1u C150
C1520.1u
U101
3NC OUT 2
1
VDD
4VSS
VRSIM
NA
EM-0781-T5
C441
R117 5.6K
NAR156
C438
C439
15p
NA
VBUS
NA
R112
10K
R105
Q101
DTC144EM-T2L
B
C
E
NAR147
R128 NA
4.7u
C123
100nH
L102
C121
27p
VBAT
C112
C120
0.1u
4700p
VREXTH
VREXTL
NA
R109
5
RTS
11
2
RX
TX
3
6
VBAT
URT101
12
CTS
10
DSR
GND
1
4
NC1
NC2
7
8
NC3
NC4
9
ON_SW
R111 100K
100p
C115
C117
100u
100u
0.1u
C116
C145 C156NA
VCHG
NAR133
220KR121
10pC110
1uF C134
1uF
C106
_PPR 3
R104
100K
ISL6299U102
BAT 10 CRDL
1
8
GND
ICDL
9
6IMIN
PGND 11
2USB
USBON
7
4
_CHG
_EN
5
0.47uC133 1uF C132
NA
1uF C135
VRIO
C443
100K
R115
1uF
C105
TP101
NA
C126
VREXTL R137 10K
R120 100K
100nH
L101
VBAT
C148
R100 100K
VRRTC
VRIO
0.1u
L103
100nH
C1570.1u
C104
33K
R113
0.01u
47p
C119
R424 100
100R423 100R422
C1490.1u
C103
1uF
VRIO
R106 100K
VRUSB
TP102
R135 1K
100KR110
VBAT
C1430.1u
100K
R154
VRABB
VRDBB
C1470.1u
VBAT
100KR118
VRMMC
VCHG
0.1u C146 0.1u C142
C153
VRIO
0.1u
R108 100K
R107 NA
A17
VSS24
H2
VSS3 K1
VSS4 P1
VSS5 T3
VSS6
VSS7 W2
AA8
VSS8
VSS9 AA15
VSSA
V2
VSSDLL
N1 H1 VSSDPLL
Y14
VSSPBIAS
D1
VSS1
VSS10 AA21
Y20
VSS11 U21
VSS12 N19
VSS13 N20
VSS14 M20
VSS15 M19
VSS16
VSS17 L19
K19
VSS18 G21
VSS19
E2
VSS2
B10
VSS20 D4
VSS21 E21
VSS22
VSS23 A20
A9 VDD_17
VDD_18
A2
VDD_19
G20
VDD_2
E1
VDD_20
E20 B19 VDD_21
VDD_22
B17
G2 VDD_3
VDD_4
K2
VDD_5
T2
AA2 VDD_6
VDD_7
Y9
VDD_8
W15
VDD_9
Y21
VPP1
R19
VPP2
N14
VDDS5_4
M18
K20 VDDS5_5
VDDS5_6
F19
B20 VDDS5_7
D15 VDDS6 C13 VDDS7_1
VDDS7_2
C9
VDDS7_3
C6
VDD_1
D2
VDD_10
U20 R21 VDD_11
VDD_12
P21
N21 VDD_13
VDD_14
M21
L18 VDD_15
VDD_16
K18
VDD4
R1
VDDA
T4
N3 VDDDLL
VDDDPLL
J2
VDDS1_1
B2
G3 VDDS1_2
VDDS1_3
L4
VDDS1_4
P3
VDDS2_1
W8
VDDS2_2
Y10
VDDS2_3
Y2 Y1 VDDS3
VDDS4
W14
AA20 VDDS5_1
W20 VDDS5_2
N15 VDDS5_3
B13
TSP_ACT2
W18
UART2_RX AA18
UART2_TX
UART3_CTS D12
A13
UART3_RTS
UART3_RX B15
UART3_TX A14
ULPDR_ARM_BOOT_EXT T18
V14
ULPDR_CLK32K_IN
ULPDR_ON_NOFF C16
D14
ULPDR_SYS_CLK_OUT
ULPDR_WAKEUP_INT G10
USB_0_DAT AA17
W16
USB_0_RCV
USB_0_SE0 V15
Y17
USB_0_TXEN
SIM_PWRCTRL V4
U4
SIM_RST
V1
SLICER_IN
SPI_CLK Y19
W19
SPI_DATA_MISO
SPI_DATA_MOSI V18
SPI_NCS0 U18
B3 TEST_NEMU0
TEST_NEMU1
C3 H9 TEST_NTRST
B4 TEST_RTCK
TEST_TCK
D5
A3 TEST_TDI
TEST_TDO
C4
TEST_TMS
A4
TSP_ACT0 AA19
C21
SERIALRF_DATA C20
SERIALRF_ENABLE
SERIALRF_ENR D16
D18
SERIALRF_RF_CLK
J14
SERIALRF_RF_CS
SERIALRF_RF_DATA C19
B18
SERIALRF_RXEN
SERIALRF_RX_CLK E18
SERIALRF_RX_CS D17
SERIALRF_RX_DATA D19
A19
SERIALRF_SYSCLK
C18
SERIALRF_TX_CLK
SERIALRF_TX_START C17
SIM_CLK W1
V3
SIM_IO
W3
SIM_PBIAS
U2 SDRAM_SDATA11
SDRAM_SDATA12
J1
SDRAM_SDATA13
N2
M1 SDRAM_SDATA14
SDRAM_SDATA15
U1
SDRAM_SDATA2
C1
SDRAM_SDATA3
F2
SDRAM_SDATA4
C2
SDRAM_SDATA5
G1
SDRAM_SDATA6
D3
R2 SDRAM_SDATA7
P2 SDRAM_SDATA8
SDRAM_SDATA9
R3
K3 SDRAM_SDCLK
N4 SDRAM_SDCLKX
F4 SDRAM_SDCLK_EN
SDRAM_SADD10
L7
M4 SDRAM_SADD11
U3 SDRAM_SADD12
K8 SDRAM_SADD2
SDRAM_SADD3
J7
SDRAM_SADD4
N8
SDRAM_SADD5
M8
SDRAM_SADD6
R4
N7 SDRAM_SADD7
M7 SDRAM_SADD8
P4 SDRAM_SADD9
SDRAM_SBANK0
H4 SDRAM_SBANK1
G4
SDRAM_SDATA0
B1
SDRAM_SDATA1
M3
SDRAM_SDATA10
M2
Y15 MMC1_DAT3
MMC1_PBIAS
Y13
A1
NC1
NC2 AA1
A21
NC3
NC4 E5
K4 SDRAM_CS
L3 SDRAM_DQSH
J4 SDRAM_DQSL
SDRAM_NSCAS
H3
F3 SDRAM_NSDQML
E3 SDRAM_NSDQMU
E4 SDRAM_NSRAS
J3 SDRAM_NSWE
K7 SDRAM_SADD0
J8 SDRAM_SADD1
B6
MCBSP1_DOUT
C7
MCBSP1_FSX
A15
MCSI1_BCLK
D13
MCSI1_DIN
C14
MCSI1_DOUT
MCSI1_SYNC B14
MCSI2_BCLK C5
MCSI2_DIN B5
D7
MCSI2_DOUT
A5
MCSI2_SYNC
MISC_EXT_IRQ H12
AA14 MMC1_CLK
R13 MMC1_CMD
W13 MMC1_DAT0
MMC1_DAT1
AA13
V13 MMC1_DAT2
I2C1_SDA A18
I2C2_SCL C15
KBD_C_0 H13
D9
KBD_C_1 B16 KBD_C_2 D6 KBD_C_3 KBD_C_4 B21
G11
KBD_C_5 KBD_R_0 T19
P18
KBD_R_1 T20 KBD_R_2 P19 KBD_R_3 KBD_R_4 R20 KBD_R_5 P20
MCBSP1_CLKX B7
MCBSP1_DIN D8
GPIO_12 G9
GPIO_13 Y18
V17
GPIO_16
H10
GPIO_17
GPIO_18
V19
AA12
GPIO_19
GPIO_2 J15
GPIO_32 G12
GPIO_33
P13
GPIO_4 U19
GPIO_43 Y12
B12
GPIO_46 G13
GPIO_47
V20
GPIO_6 W17
GPIO_8
GPIO_9 V16
W5 EMIFS_FDATA_5
EMIFS_FDATA_6
Y4
AA4 EMIFS_FDATA_7
EMIFS_FDATA_8
V7
W6 EMIFS_FDATA_9
W11 EMIFS_FRDY
EMIFS_NFADV
R11
V12 EMIFS_NFBE_0
EMIFS_NFBE_1
W12
V9 EMIFS_NFCS_3
EMIFS_NFOE
V11
EMIFS_NFRP
AA9
R12 EMIFS_NFWE
EMIFS_NFWP
P12
W21
GPIO_1
GPIO_10
Y16
V10 EMIFS_FADD_22
AA10 EMIFS_FADD_23
EMIFS_FADD_24
W10
P10 EMIFS_FADD_25
Y7 EMIFS_FCLK
V5 EMIFS_FDATA_0
EMIFS_FDATA_1
W4
EMIFS_FDATA_10
AA5
EMIFS_FDATA_11
Y5
EMIFS_FDATA_12
V8
W7 EMIFS_FDATA_13
EMIFS_FDATA_14
Y6
P9 EMIFS_FDATA_15
EMIFS_FDATA_2
Y3
V6 EMIFS_FDATA_3
EMIFS_FDATA_4
AA3
ELCD_DATA_5
H18
G19 ELCD_DATA_6
ELCD_DATA_7
H20
H19 ELCD_DATA_8
ELCD_DATA_9
H21
L15 ELCD_DNC
D20 ELCD_ESTRB
ELCD_NCS0
M14
M15 ELCD_NRESET
ELCD_RNW
K15
K14 ELCD_TE
EMIFS_FADD_17
R9
Y8 EMIFS_FADD_18
EMIFS_FADD_19
AA7
EMIFS_FADD_20
W9
R10 EMIFS_FADD_21
CAM_LCLK A8
A7
CAM_VS
CAM_XCLK A10
ELCD_DATA_0
D21
F18 ELCD_DATA_1
J20 ELCD_DATA_10
ELCD_DATA_11
J18
J21 ELCD_DATA_12
ELCD_DATA_13
J19
ELCD_DATA_14
K21
ELCD_DATA_15
N18
R18 ELCD_DATA_16
ELCD_DATA_17
V21
ELCD_DATA_2
E19
G18 ELCD_DATA_3
F20 ELCD_DATA_4
PD761811BZVL
U104
C10
CAM_D_0 CAM_D_1 D10 CAM_D_2 C11
D11
CAM_D_3 C8 CAM_D_4 B9 CAM_D_5 CAM_D_6 A12
C12
CAM_D_7
CAM_HS B8
C151
32.768KHz
MC-146
X101
1
2
3
4
0.1u
1uF
VBAT
C107
R140 0
C111
10n
27p
C122
R101 NA
VRSIM
R103
0.22
2.2uHL104
VRMEM
VRPLL
VRDBB
10u
C125
R119 10K
R142 1K
0.1u C144
10u
C127
C137
1uF 2.2u
C136
0.1u C155
10u
C128
C108
8p
8p
C109
121KR134
R131 NA
36K
R151
100R425
1uF C139
VSP_VFS
M3
WAKEUP1
K9
L9 WAKEUP2
1uF C138 VRABB
B1
VREXTH
F12 VREXTL
D12
E12 VRIO
M8 VRMEM M7 VRMMC
VRPLL
M9
K12 VRRTC
VRSIM
A1
VRUSB
E5
VRVBUS
D6
VRWLED1
B10 A11 VRWLED2
L3 VSP_VCK
VSP_VDR
L4
M2 VSP_VDX
A6 VBUS
VCC11
H10
VCC12
H11
H12 VCC13
L7 VCC21
VCC22
L8
VCC3
B2
F10 VCC41
VCC42
F11
VCC51
E10
VCC52
E11
VCC6
A7
VCCS D7
VFDBB
G8
M10
VIBDR
VMODE K10
G10 SWDBB1 G11 SWDBB2 G12 SWDBB3
SWVBUS1
B6
C6 SWVBUS2
K2
TCK
TDI H5
J5
TDO
H9
TESTRESET
TESTV E6
TMS K1
VAC B8
VBACKUP H8
A10
VBAT
VBATS D8
J11
VBG
SDA1
J6
C4 SE0_VM_TXD
SIMDTC J7
SPKGND1 J4
H4
SPKGND2
SPKNA1 K3
K4
SPKNA2
J1
SPKND1
SPKND2 J2
G3
SPKPA1
SPKPA2 G4
SPKPD1 H1
H2
SPKPD2
H3
SPKVDD1
SPKVDD2 J3
M6 STARTADC
OSC32KOUT L11
P1_INT2
M1
L2 P2_INT2
A9
PCHGAC
PCHGUSB A8
M12 PCLKREQ PM_C F7
E9
PM_D
J9
PM_F
PWON
L10
PWROK G7
A2 RCV
J12
REFGND
C11
REGEN
H7 RPWON
M5 SCL1
D4 ID_USB
IREF J10
LED_A A12
LED_B B12
C12
LED_C
MCLK1
J8
K8 MCLK2
E3
MICBIAS
D2
MICIN D1
MICIP
F5 NC1
NC2
G5
G6 NC3
E4 OE_INTN
ONNOFF
M11
L12
OSC32KIN
C7 GND_VBUS1
GND_VBUS2
B7
E8
HSDET
HSMIC C1
HSMICBIAS E2
F1
HSOL
HSOR E1
F2
HSOVMID
M4 I2S_SCK
I2S_SDR
K5
H6 I2S_SDX
I2S_WS
L5
ICTLAC1 C8
ICTLAC2 B9
ICTLUSB1 C9
D9
ICTLUSB2
DAT_VP_RXD
C3
DM_TXD_SPKR_L
A3 DP_RXD_MIC_R
A5
EARN G2
G1
EARP
FILTERAPLL L1
FML D3
G9 GND_DBB1
GND_DBB2
F8
F9 GND_DBB3
K7 GND_PWR1
B11 GND_PWR21
GND_PWR22
C10
L6 GND_PWR3
B3 GND_PWR4
D11 GND_PWR5
P3029DZQW
U103
ADCIN1
D5
ADCIN2
B4
A4 ADCIN3
C5 ADCIN4
ADCIN5
B5
F4
AUDVMID
C2
AUXI_FMR
F3
AUXO
BM_PRECH E7
K6
BM_SEL
D10
CKEN
K11
CLK32KOUT
10K
VRDBB
R153
1000p
C124
1uF
VBAT
C130
R143 1K
R127 2.2K
VRIO
C444
NA
C141 NA
10K
R114
22K
PT101
R129 2.2K
C440
C442NA
NA
C129
10u
10R155
C1400.1u
NA
C445
VCAM28_EN
CAM_MCLK
2.2u C131
FDATA(15:0)
MAIN_KEY_BL_EN
LCD_ID
SYSCLK
CAM_HS CAM_VS
E_DATA(15:8)
CAM_PCLK
HOOK_DETECT
TEMP_SENSE
TEMP_SENSE
SLIDE
VCAM18_EN
SLIDE
CAM_D(4) CAM_D(5) CAM_D(6) CAM_D(7) CAM_D(0) CAM_D(3) CAM_D(2) CAM_D(1)
CAM_RST
HSDET
HSO_R
HSMICIP
_CHG_STAT
_FM_RESET
LCD_BL_EN
DP_PWON
REMOTE_INT CAM_PWON
MEGA_CLK
FLASH_EN
CHG_EN
_CHG_STAT
HSO_L
RPWON
UART3_RX
UART3_TX
Slicer_IN
UART3_CTS
UART3_RTS
UART3_DSR
CIF_PD
VBACKUP
JACK_DETECT
BOOT_SEL
FM_INT
DIF_VSYNC
TF_CMD
REMOTE_ADC
ULPDR_ARMBOOT_EXT
MICBIAS
HSMICBIAS
RADIO_R
RADIO_L
RCV_N
RCV_P
MIC_ABB_N
MIC_ABB_P
SDCLKX
DQSH
DQSL
SD_CS
VIBRATOR
SYSCLKEN
VBATS
MEGA_DAT0
NFOE
NFRP
NFWE
NFWP
NFADV
FCLK
SDCLK
SDCLK_EN
SBANK1
SBANK0
NSRAS
NSCAS
NSWE
NSDQMU
NSDQML
SDATA(15:0)
SADD(12:0)
FADD(25:17)
KBR(5:0)
KBC(4:0)
BT_NRST
VBUS
WAKEUP2
BT_CLK_REQ
PWON
REGEN
RPWON
SPKNA
SPKPA
JACK_TYPE
BATT_TEMPS
CLK_32K
TR_USB_DM
TR_USB_DP
LED_ABC
CLK_32K
ONNOFF
ULPDR_SYS_CLK_OUT
WAKEUP1
DAT_VP_RXD
RCV
SE0_VM_TXD
OE_INTN
UART3_DSR
JTAG_TRST
JTAG_RTCK
JTAG_TCK
JTAG_TDI
JTAG_TDO JTAG_TMS
TSP_ACT0
TSP_ACT2
UART2_RX UART2_TX
UART3_CTS UART3_RTS UART3_RX UART3_TX
ULPDR_ARMBOOT_EXT
SDATA(6)
SDATA(7)
SDATA(8)
SDATA(9)
DIGITALRF_DATA DIGITALRF_ENABLE
DIGITALRF_RF_CLK DIGITALRF_RF_CS
DIGITALRF_RF_DATA
SIM_CLK
SIM_IO
SIM_PWRCTRL
SIM_RST
MEGA_CMD
SADD(6)
SADD(7)
SADD(8)
SADD(9)
SDATA(0)
SDATA(1)
SDATA(10)
SDATA(11)
SDATA(12)
SDATA(13)
SDATA(14)
SDATA(15)
SDATA(2)
SDATA(3)
SDATA(4)
SDATA(5)
TF_CLK
TF_DAT0 TF_DAT1 TF_DAT2 TF_DAT3
SADD(0)
SADD(1)
SADD(10)
SADD(11)
SADD(12)
SADD(2)
SADD(3)
SADD(4)
SADD(5)
KBR(4) KBR(5)
MCBSP1_CLKX
MCBSP1_DIN
MCBSP1_DOUT
MCBSP1_FSX
MCSI1_BCLK
MCSI1_DIN MCSI1_DOUT
MCSI1_SYNC
MCSI2_BCLK
MCSI2_DIN
MCSI2_DOUT
MCSI2_SYNC
P1_INT2
NFCS_3
SPK_EN
USB_BOOT_SEL
CHG_EN
I2C_SDA
I2C_SCL
KBC(0) KBC(1) KBC(2) KBC(3) KBC(4) KBR(0) KBR(1) KBR(2) KBR(3)
FDATA(0)
FDATA(1)
FDATA(2)
FDATA(3)
FDATA(4)
FDATA(5)
FDATA(6)
FDATA(7)
FRDY
E_DATA(10)
E_DATA(11)
E_DATA(12)
E_DATA(13)
E_DATA(14)
E_DATA(15)
E_DATA(8)
E_DATA(9)
DIF_ADS
DIF_RD
MAIN_CS
DIF_RESET
DIF_WR
FADD(17)
FADD(18)
7. CIRCUIT DIAGRAM
ME550d

- 118 -
( ==> K5E1G12ACA-D075)
VBUCK18 : NAND
FPCB_CONNECTOR LEFT
CAMERA
D
MOON LIGHT
C
NO.
Sheet/
CAM
(VBUCK18 : SDRAM CORE)
MAIN_SUB CONNECTOR
AMP OUTPUT
5
B
MIC
(VDDE18 : SDRAM I/O)
9
B
Checked
23
Approved
CLOSE TO SPK/RCV
Section Date
10
1
Designer
BLUETOOTH
ANALOG AUDIO AMP
LCD
MIC
C
E
A
FPCB_CONNECTOR RIGHT
MODEL
DRAWING
NAME
DRAWING
SAMSUNG 1G NAND +512M DDR_SDRAM
K
2007
01/24
ME550c MAIN
2/4
1.1
MEMORY / T-FLASH / SIM
MEGA_SIM
Sign & Name
Sheets
LG Electronics Inc.
D
231 645 78
KEY
Close to TRITON
4
RECEIVER
0.1u
C213
TP205
47p
8
7
INOUT_B3
INOUT_B4 6
C218
FL203 EVRC14S03Q030100R
G1
5
G2
10
INOUT_A1
1
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2
FL204 EVRC14S03Q030100R
G1
5
G2
10
INOUT_A1
1
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4 6
10
VCC
0.1u
C205
U203
FSA2267AL10X
9
1A1B0
1
1B1
21S 8
2A 6
32B0
42B1
2S 7
5GND
FB201
C219
27p
1uF
C212
G1 G2
G3 G4
TP204
5
50
51
52
53
54
55
56
57
58
59
6
60
7
8
9
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
20
21
22
23
24
25
26
27
28
29
3
30 31
32
33
34
CN201
1
10
11
12
13
14
15
16
17
18
19
2
0R205
4
5
6
78
9
10
11
12
13
14
CN203
1
2
3
VRMEM
C204
0.1u
C216
33nF
1uFC209
FL205 EVRC14S03Q030100R
G1
5
G2
10
INOUT_A1
1
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4 6
OUT_P
7
PGND
PVDD 10
P_GND 11
6
SYNC
1VDD
5_SHDN
U202 MAX9700CETB
4GND
IN_M
3
IN_P
2
OUT_M 9
8
C214 1uF
R291
0
7
8
9
G1 G2
G3 G4
VBAT
47
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30 31
1
10
11
12
13
14
15
16
17
VBAT
CN202
0R202
C215
33nF
VBAT
C210 10u
47p
E9
_RAS
E7
_RE
E5
D6 _WE
F8 _WED
_WP
F5
C211
VDD4
D2
VDDQ1 F2
VDDQ2 K2
VDDQ3
C2
VSS1
VSS2 F9
G2
VSS3
VSS4 N4
B5
VSS5 N5
VSS6
VSS7 N8
E2
VSSQ1 J2
VSSQ2 L2
VSSQ3
_CAS
F7
C6 _CE
_CS
NC22
B9
NC3 E8 NC4 NC5 F3
F6
NC6
G4 NC7
NC8
G5 G6 NC9
E6 R__B
UDQM
H3
VCC1 B6
N7
VCC2
VCCQ N6
VDD1 B4
VDD2 G9
H2
VDD3 M2
IO7
LDQM
G3
NC1 B2
NC10
H5 H6 NC11
NC12
J3
NC13
K5 K6 NC14
NC15
K7 K8 NC16
NC17
M5 M6 NC18
NC19
M7
B7
NC2
M8 NC20
NC21
N2 N9
DQ15
DQ2
C3
D4 DQ3
DQ4
D3
E4 DQ5
DQ6
E3
F4 DQ7
J4 DQ8
DQ9
K3
IO0
J5
IO1
L5
J6 IO2
L6 IO3
IO4
J7
IO5
L7
J8 IO6
L8
P10 A9
DNU2 DNU3 A10
B1
DNU4 DNU5 B10
N1
DNU6 DNU7 N10
P1
DNU8 DNU9 P2
B3 DQ0
C4 DQ1
K4 DQ10
DQ11
L3
L4 DQ12
DQ13
M3
M4 DQ14
N3
C9
A3 B8
A4 M9
A5 L9
A6 K9
A7 J9
A8 H7
H8
A9
ALE
D5
BA0
D7
D8 BA1
G8 CKE
CLE
C5
H4 CLK
DNU1 A2
P9
DNU10 DNU11
KAG004003M_DDD5
U201
A0 C7
C8
A1
A10 D9
A11 H9
A12 G7
A2
VRMEM
R204
2K
27p
C221
NA
R212
TP202
VRMEM
C220
100p
0.1u
C206
R292
0
TP207
TP210
TP206
R290
0
R201 0
47p
C217
R203 0
TP203
TP208
0.1u
C208
VRIO
C207
0.1u
VRSIM
L201 33nH
0.1u
C201
VRMEM
VRMMC
L202 33nH
0.1u
C203
0.1u
C202
TP211
TP209
TF_CLK
TF_DAT0
TF_DAT1
SDATA(15:0)
FDATA(7:0)
DQSH
DQSL
CAM_D(0)
CAM_D(2)
CAM_D(3)
I2C_SDA
CAM_MCLK
KBR(0)
KBR(1)
KBR(2)
KBR(3)
KBR(4)
KBR(5)
MAIN_KEY_BL_EN
MIC_ABB_N
MIC_ABB_P
I2C_SCL
CAM_PWON
CAM_VS
VIBRATOR
VBACKUP
CAM_D(4)
CAM_D(5)
CAM_D(6)
CAM_D(7)
CAM_RST
CAM_HS
CIF_PD
CAM_PCLK
KBC(0)
KBC(1)
KBC(2)
KBC(3)
KBC(4)
SPKNA
SPK_EN
SPKPA
SPK_AMPP
SPK_AMPN
CAM_D(1)
SYSCLKEN
BT_NRST
CLK_32K
UART_TXD
BT_RX
BT_TX
BT_RTS
BT_CTS
BT_CLK
MCSI1_DOUT
MCSI1_DIN
MCSI1_SYNC
MCSI1_BCLK
BATT_TEMP
SPK_AMPN
RCV_PP
RCV_NN
SPK_AMPP
SPK_RCV_N
MICBIAS
VBATS
SPK_RCV_N
SPK_RCV_P
BT_CLK_REQ
E_DATA(9)
E_DATA(10)
E_DATA(11)
E_DATA(12)
E_DATA(13)
E_DATA(14)
E_DATA(15)
MAIN_CS
DIF_RESET
DIF_ADS
DIF_WR
LCD_ID
SPK_RCV_P
SPK_EN
RCV_P
RCV_N
RCV_PP
RCV_NN
SIM_RST
SIM_CLK
SIM_PWRCTRL
SIM_IO
MEGA_DAT0
MEGA_CLK
MEGA_CMD
E_DATA(15:8)
E_DATA(8)
LED_ABC
DIF_RD
FLASH_EN
DIF_VSYNC
LCD_BL_EN
DP_PWON
VCAM18_EN
PWON
TF_DAT2
TF_DAT3
TF_CMD
VCAM28_EN
SDCLKX
SADD(2)
SADD(3)
SADD(4)
SADD(5)
SADD(6)
SADD(7)
SADD(8)
SADD(9)
SADD(10)
SADD(11)
SADD(12)
FDATA(4)
FDATA(5)
FDATA(6)
FDATA(7)
NFCS_3
FADD(17)
FADD(18)
NFOE
NFWE
FRDY
NFWP
SADD(12:0)
SADD(0)
SADD(1)
SDATA(14)
SDATA(15)
SD_CS
SBANK0
SBANK1
SDCLK_EN
NSCAS
NSRAS
NSWE
NSDQML
NSDQMU
SDCLK
FDATA(0)
FDATA(1)
FDATA(2)
FDATA(3)
SDATA(0)
SDATA(1)
SDATA(2)
SDATA(3)
SDATA(4)
SDATA(5)
SDATA(6)
SDATA(7)
SDATA(8)
SDATA(9)
SDATA(10)
SDATA(11)
SDATA(12)
SDATA(13)
7. CIRCUIT DIAGRAM
ME550d

- 119 -
E
A
RX
TX
45
A
Checked
Approved
MODEL
B
C
Section
(UART3 <=> Bluetooth)
12
ANALOG SWITCH
BOOT SELECT
Designer
LG Electronics Inc.
34
DRAWING
NAME
DRAWING
NO.
Sheet/
Sheets
5678
C
D
18Pin IO Connector
0(COM-NC)
1(COM-NO)
MAX47*
91 0
1
D
23
ANALOG SWITCH
ON BOARD JTAG INTERFACE
(UART3 <=> Remote control))
B
FM RADIO
OVP
27p
K
2007
01/24
ME550c MAIN
3/4
1.1
IO CONNECTOR & UART
Date Sign & Name
TP308
C323
TP307
TP303
TP306
100K
R317
C318
1uF
FB301
16
17
18
19
2
20
21
22
3
4
5
6
7
8
9
CN301
1
10
11
12
13
14
15
VBAT
TP302
R325
100K
0.1u
C320
NA
EVLC14S02050
VA302
C317
C321
0.1u
C312 C313
4.7u
VRIO
0.47u
100KR307
10K
R332
0R318
10
5_RST
6_SEN
VRIO
12
GND3 15
GPIO1 19
18
GPIO2 GPIO3 17
14
LOUT
NC1
1
20
NC2
PGND 21
9RCLK
3RFGND 13
ROUT
SCLK
7
SDIO
8
16
VA
11
VD
VIO
VRIO
U304
SI4703-B16-GM
2FMIP
4GND1 GND2
20K
R334
2.4K
R312
R323
56K
0.1uC314
C324
VRIO
VRABB
47p
TP309
TP310
100pC315
10u
C303
20K
R329
VA301
EVLC14S02050
R313 100K
R311 NA
0.1u
C325
NO1
3NO2
NO3
7
11
NO4
17
PGND
V+ 14
VCHG_IN
VCHG
VBAT
COM1 16
COM2
4
COM3
8
COM4 12
GND
6
2IN1-2 10
IN3-4
NC1
1
NC2
5
NC3 9
NC4 13
15
U305
ISL8499IRZ-T
VRIO
R333
10K
ESD1
A1 A3
ESD2
C1
ESD3 ESD4
C3
GND
B2
VBAT
CSPESD304G
D301
TP301
TP305
75
R31
C311
0.1u
10K
R336
R306 100K
C301
120p
NA
R390
100nH
L303
VRIO
0.1u
R319 20K
C316
R335
NA
R320 0
2
3
1
R32
75
Q301
2SC5585
G4
33K
R330
26
27
28
29
30
17
18
19
20
21
22
23
24
G1 G2
G3
10
11
12
13
14
15
2
3
4
5
6
7
8
9
16
25
CN302
1
5
VCC
VRIO
VRIO
FB302
U306
TC7SH04FS
2
GND
14
VCHG_IN
120p
L304
100nH
C310
C307
47p
47p
C305C304
82p
C306
82p
VRABB
C308 0.1u
R314 47
TP304
COM2
COM3
8
12
COM4
6GND
IN1_IN2
2
IN3_IN4 10
NC1
1
5NC2
9
NC3
NC4 13
NO1 15
NO2
3
7NO3
11
NO4
PGND
17
14
V+
R310
MAX4701ETE+T
U303
COM1 16
4
VBAT
3K
R322
10K
8
GATE
GATE_OUT 9
2GND
IN1
1
IN2
4
5IN3
NC1
11
12 NC2
6
OUT1
OUT2 7
10
_EN
_FLAG
3
U302 NCP348MTR2G
C319
1uF
R328
47K
0.1u
C322
120p
C302
I2C_SCL
I2C_SDA
FM_ANT
CLK_32K
VBUS
FM_ANT
BATT_TEMPS BATT_TEMP
_FM_RESET
RADIO_L
FM_INT
RADIO_R
BT_RTS
TR_USB_DM
TR_USB_DP
VBUS
REMOTE_INT
UART_RXD
UART_TXD
REMOTE_ADC
JTAG_TCK
JTAG_RTCK
JTAG_TDO
UART3_RX
UART3_TX
UART3_CTS
UART3_RTS
BT_NRST
BT_NRST
UART_RXD
UART_TXD
UART_CTS
UART_RTS
BT_RX
BT_TX
BT_CTS
VBATS
JTAG_TRST
JTAG_TDI
JTAG_TMS
HSMICBIAS
UART3_DSR
UART2_TX
VBUS
JACK_TYPE
BOOT_SEL
USB_BOOT_SEL
HSO_R
HSO_L
JACK_DETECT
RPWON
UART2_RX
HOOK_DETECT
HSMICIP
7. CIRCUIT DIAGRAM
ME550d

- 120 -
0.5p
C416
VRIO
8dB ATT (NC)
SFAY00009801
4
C
D
(NC)
7
Sheet/
Sheets
(NC)
LDO Supplies
MODEL
DRAWING
Section
A
1
Designer
Date
Approved
E
SYSCLK
2.2nH
R408
A
B
(DBB)
(DBB)
B
NO.
23
LG Electronics Inc.
(DBB)
6
1
NAME
89 10
Checked
3
(NC)
DRAWING
(DBB)
8dB ATT
SMPY0014901
(DBB)
(ABB)
C
D
45
(NC)
EUSY0316801
2
0.01u
LEE
2007
01/24
ME550d MAIN
4/4
1.1
RF_RENESAS
Sign & Name
5
C411
7
PGND
C424
1p
U405TPS79928DRVR
4EN GND 3
6IN
NC
5NR 2
1
OUT
C407
C405
3.9p
3.9p
2A
GND
3
5
VCC
4
Y
_OE
1
R407
0
SN74LVC1G125DRLR
U402
R413 0
0.1u
C408
R405
47K
120
R411
C403
0.01u
C_VCCRF
22p
C410
C431
0.5p
51
R415
C419
R412
120
0.01u
C401
0.01u
R414
51
33p
C415
C418
56p
10u
C427
R418
100
0.01u
C421
22p
VCC_SYN
C404
22p
C429
0.01u
C428
1nHR420
R419 4.7nH
ANT403
33nF
C406
VRIO
EN
43
GND
IN
6
5NC 2
NR
OUT 1
PGND 7
C_VCCRF
TPS79928DRVR U406
C425
NA
0.1u
C433
C417
0.1u
NA
26MHz
12
34
C412
0.01u
X401 FA-23H
VCC_SYN
C422
R416
120
22p
C430
VCC_SYN
120
R417
15p
C420
C414 0.01u0.01uC413
22
GSM850RX1 12
13
GSM850RX2
18
PCSRX1
PCSRX2 19
3VC_DCSPCSTX
VC_EGSMGSM850TX
11
C_VCCRF
VBAT
DCSRX2
10
EGSMGSM850TX
EGSMRX1 14
15
EGSMRX2
GND1
2
23 GND10
GND11
24
GND12
25
26 GND13
GND2
4
6GND3
GND4
7
GND5
8
GND6
9
20 GND7
21 GND8
GND9
HWXR693
FL401
1ANT
DCSPCSTX 5
DCSRX1 16
17
C409
68p
ANT402
C423
1000p
C437
200
R401
2.2u
3
GND
2
IN
4
OUT
VCC
5
C435
2.2u
U401
SN74AHC1GU04DCKR
C434
0.01u
NA
C426
VRIO
8.2nH
R406
NA
C432
D9
VCCMIX B3
VCCRFLO A3
VCCRFSYN A7
A5
VCCRFVCO
J4 VCCTX1
VCCTX2
J5
VCCTXVCO
J6
C9
VCCVCXO
A8
VCCVCXOR B8
VCXTCXO
VOUTEF1 D8
VOUTEF2 D7
XON B9
A9
XOP
G7
STROBE E8
F8
SYSCLK
SYSCLKEN
J9
TEST1 G6
TXBAND
F3
TXMODE
G4
H2 TXON
J8 TXOUTD
TXOUTG
J7
H8 VBAT_IN
A6
VCCAD
VCCBB B6
J3 VCCFEMC
A2
VCCLNA
E9
VCCLOGIC1
VCCLOGIC2
C7 C5
GNDRFVCO
GNDTX2
G5
H6 GNDTXVCOD
GNDTXVCOD_B
H7
C8
GNDVCXO_OR
A4
IOUTB_IINB
B4
IOUT_IIN
LDO_CONT
H4
C2 PCSDCSGND
PCSGND B2
PCSLNAI
A1
PCSLNAIB
B1
QOUTB_QINB B5
C4
QOUT_QIN
RXTXDATA F9
RXTXEN
J1
H5 EAMPIB
FEMC1
H3
G3 FEMC2
F2 G85GND
G85LNAI
G1
H1 G85LNAIB
E2 G90G85GND
E1 G90LNAI
F1 G90LNAIB
GNDBBAD C6
E3 GNDDMIXIN
GNDLNA_TX1
G2
GNDLOGIC E7
GNDMIX D3
C3
GNDRFLO
GNDRFSYN
R2A60167BG
U403
B7
CAFC
CLOGIC1 F7
CTRLCLK H9
CTRLDATA G8
G9
CTRLEN
DCSG90GND
D2
C1 DCSLNAI
D1 DCSLNAIB
DMIXIN
J2
DMIXINB
VLDO
15
5
VRAMP
3
VREG
0
R410
48 PGND24 49 PGND25
27
PGND3 PGND4 28
29
PGND5 PGND6 30 PGND7 31
32
PGND8 PGND9 33
7
PIN_GSM
1
PIN_XCS
POUT_GSM
13
POUT_XCS
19
6
TX_ON
16 VBAT1
VBAT2
17
25
PGND1
34
PGND10 PGND11 35
36
PGND12
37 PGND13
PGND14
38 39 PGND15
PGND16
40
PGND17
41 42 PGND18
PGND19
43
PGND2 26
44 PGND20 45 PGND21 46 PGND22
PGND23
47
RPF09036B
U404
BAND_SELECT 2
COUPLER_OUT_GSM
12
COUPLER_OUT_XCS
20
GND1
24
11
GND10
23 GND2
GND3
22 21 GND4
18 GND5
GND6 4
14 GND7
GND8 8
10
GND9
9
NC
C_VCCRF
1000p
C402
1M
R403
C436
VBAT
G1
G2
RF
0.01u
KMS-507
SW401
ANT
Slicer_IN
REGEN
BT_CLK
DIGITALRF_ENABLE
SYSCLKEN
DIGITALRF_RF_DATA
DIGITALRF_RF_CS
DIGITALRF_RF_CLK
DIGITALRF_DATA
7. CIRCUIT DIAGRAM

- 121 -
4
NO.
Sheet/
Checked
C
D
Delete R120 after PV EVENT
MEGA SIM SOCKET
6894
Sheets
LG Electronics Inc.
512
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.Con
n.
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
10KR113
0.1u
NA
VBAT
C110
C100
100p
VA100
EVLC14S02050
R124 120
2URST
1VDD
6
VPP_MMC_CLK
VBAT
R109 NA
J100
5
GND
9
GND1GND2
10
MMC_CMD 8 MMC_DAT
4
UCLK
37
UIO
C101
NA
R122
NA
R120
120
LED104
MIC100
SP0204LE5-PB
2
G1
G2
3
G3
5
OUT
1
4
PWR
0R119
V_28
150p
C120
C106
27p
C107
4.7u
4.7u
C116
10K R102
VRIO
CE
6
2
GND1 5
GND2
4NC
VDD
13
VOUT
C104
0.1u
R1114D281D-TR-FU100
ZD100
1uF
GRM36Y5V105Z6.3PT
C118
1u
C123
150p
LED108 LED106
C117
0.1u
LED107
C115
45
6
7
8
KA_OUT
0.1u
SC100
1
2
3
0R117
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
120R125
22p
C122
0.1u
100nH
L100
C121
LED102
NAR111
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
820R108 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_IOSIM_CLK
SIM_RST
MEGA_DAT0_28
MEGA_CLK_28
MEGA_CMD_28
SIM_PWRCTRL
MICBIAS
RF_M
RF_P
7. CIRCUIT DIAGRAM
ME550d

- 122 -
1
Notice No.
1
Designer
5
Date
NO.
Sheet/
7
Sheets
4
6
D
E
1
NOT MOUNT
78
A
C
D
2
Date
9 SHP
1.1
A
45 6
B
C
Section
SIDE_KEY_VOL
Sign & Name
Checked
Approved
MODEL
DRAWING
NAME
DRAWING
Name
SIDE_KEY_CAM+PWON
Iss.
LG Electronics Inc.
258 0
3
4
01/23
2007 K
FM & CONN & KEY
2/2
ME550c Main Key
103
AST
KEYPAD
23
9
B
EVLC5S02100
VA203
R207 150
VA209
R205
EVLC5S02100
150
C200
NA
C201
NA
VA211
205
VBAT
6
7
8
9
G1 G2
G3 G4
VA200
EVLC5S02100
1
10 11
12
13
14
15
16
17
18
192
20
3
4
5
204
CN200
150
R202
200
203
207
150R208
AST
EVLC5S02100
VA210
VA202
9
30
31
32
33
34
35
36
37
38
39
4
40
5
6
7
8
16
17
18
19
2
20 21
22
23
24
25
26
27
28
29
3
G1 G2
G3 G4
1
10
11
12
13
14
15
CN201
VA207
VA208
EVLC5S02100
CN202
1
2
3
4
150
R200
202
EVLC5S02100
VA205
VRIO
150R209
150
150R203
R206
VRIOV_28
R210 150
EVLC5S02100
VA206
R211 150
R201
150
R212
NA
A1
A2
A2
A3
A3
A4
A4
B1 C1
B2 C2
C3
B3
C4
B4
GND B4
OE B3
B2 VCCA
VCCB
B1
SHP
TXS0104EZXUR
U200
A1
209
VRSIM
208
R204 150
VA204
206
EVLC5S02100
3
4
VA201
EVLC5S02100
201
CN203
1
2
MEGA_DAT0
MEGA_CLK
MEGA_CMD
BT_CLK_REQ
CLK_32K
BT_NRST
SYSCLKEN
MEGA_CLK_28
PWON
MEGA_CMD_28
KBC(0)
MCSI1_BCLK
MCSI1_DIN
MCSI1_SYNC
MCSI1_DOUT
KBC(1)
BT_CLK
BT_CTS
BT_RTS
UART_TXD
BT_RX
BT_TX
KBC(2)
KBC(3)
VBATS
BATT_TEMP MAIN_KEY_BL_EN
SIM_RST
SIM_CLK
SIM_PWRCTRL
SIM_IO
KBC(2)
KBC(1)
KBC(0)
KBC(3)
PWON
KBR(0)
KBR(1)
KBR(2)
KBR(3)
MIC_ABB_N
MIC_ABB_P
MICBIAS
MEGA_DAT0
MEGA_CLK
MEGA_CMD
MEGA_DAT0_28
KBR(3)
KBR(1)
KBR(2)
KBC(2)
KBC(1)
KBC(0)
KBR(0)
7. CIRCUIT DIAGRAM
ME550d

- 123 -
External Memory Socket
3V/1mAh
42 5
1.1
67
345
C
E
91 0
1/1
ME550c MAIN-SUB
12
B
D
A
B
C
D
Iss. Notice No. Date
MAIN_SUB CONNECTOR
1
Name
Section Date Sign & Name
Designer
Checked
8
DRAWING
NO.
Sheet/
Sheets
Approved
MODEL
DRAWING
NAME
3
LG Electronics Inc.
NA
R103
01/02
2007 K
T-FLASH / RTC Batt. / MOTOR
14
VRMMC
CN100
1
2
3
4
5
6
78
9
10
11
12
13
0.1u
C102
22p
C100
BAT100
100nHR105
VDD
VSS
1uF
C101
SCHA1B0102
S100
CD_DAT3_CS
CLK_SCLK
CMD_DI
COMMON
DAT0_DO
DAT1_RSV
DAT2_RSV
DETECT
DUMMY1
DUMMY2
OUT101
OUT100
0R100
0R101
0R102
VRMMC
VIBRATOR
TF_CLK
TF_DAT1
TF_DAT0
R104 100nH
VBACKUP
VBACKUP
TF_DAT2
TF_DAT3
TF_CMD
VIBRATOR
TF_CMD
TF_CLK
TF_DAT0
TF_DAT2
TF_DAT3
TF_DAT1
7. CIRCUIT DIAGRAM
ME550d

- 124 -
BH18PB1WHFVU103
6
BGND
2GND
STBY
1
3VIN VOUT 4
SEL 5
KBC(1)
CAM_PWON
NO.
B
KEYPAD
XF2B-3545-31A-P
LCD CONNECTOR
Sheets
LG Electronics Inc.
5
A
12 3 4
CAMERA PART POWER
DISPLAY PART POWER
E
4
Date
Checked
Designer
Name
Section
89
1
Approved
DRAWING
610
3
NAME
B
01/30
2007 K
ChargePump & LDO & LED & CONN
.
1.2
1/1
ME550c Slide Key
C
MODEL
Date
5
C
IF1
Iss. Notice No.
Sign & Name
CHARGE PUMP
D
IF2
7
2
Sheet/
A
3LED(60mA) + FLASH(300mA)
D
DRAWING
S_MENU101
VBAT
R120
0
C111
2.2u
FB101
TP103
R128
R129
150
150
R119
NA
VBAT
VCAM_18
R103
10
1uF
CLRS_MENU100
C107
S_RIGHT
0
R145
100K R144
VCAM_CORE_15
LED100
C105
1uF
R140
100K
27p
C114
C112
1uF
100K
R138
VA100
EVLC5S02100
C104
1uF1uF
C103
FB100
C110
1uF
10
R104
DP_28
R122
U102 R1114D281D-TR-F
6CE
GND1 2
GND2 5
NC
4
1VDD VOUT 3
150
1uF
C109
100K
R141
S_DOWN
R124
S_OK
150
VA104
EVLC5S02100
VA106
EVLC5S02100
R123
LED101
150
S_LEFT
1uF
C116
TP101
VA105
VCAM_28
EVLC5S02100
1uF
C115
BGND 6 GND
2
5
NC
1STBY
VIN
34
VOUT
TP104
U100 BH15LB1WHFV
TP100
100K
R137
NA
R121
3
30
31
32
33
34
35
4
5
6
7
8
9
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
CN101
1
10
11
12
13
14
C117
27p
NA
VCAM_18
R134 0
100K
R118
VOUT_FL 3
DP_28
R146
C1+ 11
12
C1- 14
C2+
C2- 15
2
C3+
C3- 1
16 EN_FLSH
EN_SET
10
9GND
ISINK1 5
ISINK2 6
7
ISINK3
ISINK4 8
PGND
17
4VIN
VOUT_BL 13
AAT2805IXN-4.5-T1
U104
C102
VBAT VCAM_CORE_15
1uF
R131
S_UP
330
1uF
C108
1uF
C106
U101 R1114D281D-TR-F
6CE
GND1 2
GND2 5
NC
4
1VDD VOUT 3
TP102
18p
C100
VBAT
DP_28VBAT
SEND
R130 1.5K
C113
1uF
R132
100K
VCAM_28
DP_28
VBAT
VBAT
0.1u
C101
4
40
41
42
43
44
45
46
47
48
49
5
50
6
7
8
9
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
CN100
51 52
53 54
1
VA101
EVLC5S02100
R125 150
R127
EVLC5S02100
VA103
150
VA102
CAM_PWON
EVLC5S02100
DP_PWON
VCAM18_EN
VCAM28_EN
VCAM18_EN
VCAM28_EN
E_DATA(9)
E_DATA(11)
E_DATA(10)
LCD_ID
DIF_VSYNC
DIF_WR
DIF_ADS
MAIN_CS
DIF_RESET
LED_ABC
LED_ABC
LED_CA1
LED_CA2
DIF_RD
LED_CA1
LED_CA2
MLED
LED_CA3
E_DATA(15)
E_DATA(14)
E_DATA(13)
E_DATA(12)
E_DATA(8)
DP_PWON
FLASH_EN
LCD_BL_EN
FLASH_LED
MLED
LED_CA3
DIF_WR
DIF_ADS
MAIN_CS
DIF_RESET
DIF_VSYNC
DIF_RD
LCD_ID
FLASH_LED
KBC(0)
KBC(4)
KBC(3)
KBC(2)
E_DATA(9)
E_DATA(10)
E_DATA(11)
E_DATA(12)
E_DATA(13)
E_DATA(14)
E_DATA(15)
KBR(4)
KBR(5)
FLASH_EN
LCD_BL_EN
KBC(4)
KBC(3)
KBR(4)
KBC(2)
KBC(1)
KBC(0)
KBR(5)
E_DATA(8)
7. CIRCUIT DIAGRAM
ME550d

- 125 -
(MAIN)
FPCB_CONNECTOR LEFT
MIC
FPCB_CONNECTOR RIGHT
12 3
Checked
Approved
FPCB_CONNECTOR LEFT
LCD
FPCB_CONNECTOR RIGHT
2M F/F CAMERA CONNECTOR
MOON LIGHT
(MAIN)
78
CAMERA
MEGA_SIM
KEY
BLUETOOTH
D
Iss.
Audio Filter & PAD
FPCB_CONNECTOR LEFT
(SLIDE KEY)
12 3 4
45 6
DVDD_CORE
MIC
Section Date Sign & Name
Designer
AMP OUTPUT
91 0
CAMERA FLASH LED
B
Notice No.
MODEL
DRAWING
NAME
5
DVDD_IO AVDD
Date Name DRAWING
NO.
12p
VBAT
02/07
2007 K
1.2
1/1
ME550c MAIN FPCB
CAM
Sheet/
Sheets
LG Electronics Inc.
(MAIN KEY)
(MAIN KEY)
C110
0R109
R110 0
C101
0.1u
OUT101
R104
39 47p
C106
47p
EVL5M02200
VA101
C107
VA102
EVL5M02200
VCAM_18
R108 0
NA
C116
39
R105
39
R106 R107
39
3 4
EVL5M02200
VA100
LD100LEWW-S35KA
1
2
VCAM_28
VCAM_CORE_15
VBAT
C12
56p 56p
C11
56p
C100
100nH
L2
C109
NA
100nH
L1
C105
100p
0.1u
C104C102
OUT100
VRIO
0.1u
100nH
L3
TP100
C112
NA
C113
NA
C111
36
37
38
39
4
40
5
6
7
8
9
12p
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
G1
G2
1
10
11
12
13
14
15
16
17
18
19
2
20
50
6
7
8
9
CN104
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
20
21
22
23
24
25 26
27
28
29
3
30
31
32
33
34
35
52
53 54
1
10
11
12
13
14
15
16
17
18
19
2
8
9
G1
G2
CN101
51
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
7
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
19
2
20
21
22
23
24
25
26
27
28
29
3
30 31
32
CN102
1
10
11
12
13
14
15
16
17
18
VCAM_28
VCAM_18
R111
0
9
NA
C115
16
17
18
19
2
20
21
22
23
24
3
4
5
6
7
8
G1 G2
G3 G4
1
10
11
12 13
14
15
TP103
VCAM_CORE_15
CN103
18p NA
C114
C108
3
4
5
6
7
8
9
G1
G2
CN100
1
10 11
12
13
14
15
16
17
18
192
20
VRSIM
54
55
56
57
58
59
6
60
7
8
9
G1
G2
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
25
26
27
28
29
3
30 31
32
33
34
35
36
37
38
39
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
CN105
1
2
A
GND 3
VCC
5
4Y
_OE 1
VCAM_18
VRSIM
VRIO
U1
SN74LVC1G125DRLR
E_DATA(12)
E_DATA(10)
E_DATA(8)
VBAT
CAM_PCLK
E_DATA(8)
E_DATA(9)
E_DATA(10)
E_DATA(11)
E_DATA(12)
E_DATA(13)
E_DATA(14)
E_DATA(15)
E_DATA(14)
CAM_D(3)
CAM_MCLK
CAM_VS
CAM_HS
SIM_CLK
SIM_PWRCTRL
SIM_IO
MEGA_DAT0
MEGA_CLK
MEGA_CMD
MAIN_KEY_BL_EN
CAM_D(1)
CAM_D(5)
CAM_D(7)
CAM_D(0)
CAM_D(2)
CAM_D(6)
SPK_RCV_N
CIF_PD
CAM_D(4)
CAM_RST
I2C_SCL
I2C_SDA
BT_CLK_REQ
CLK_32K
BT_NRST
SYSCLKEN
SIM_RST
KBR(1)
PWON
BATT_TEMP
VBATS
KBC(0)
KBC(1)
KBC(2)
KBC(3)
BT_CLK
MCSI1_DOUT
MCSI1_SYNC
MCSI1_DIN
BT_RX
BT_TX
BT_RTS
BT_CTS
UART_TXD
MCSI1_BCLK
FLASH_LED
SPK_RCV_P
UART_TXD
BT_RX
BT_TX
BT_RTS
BT_CTS
BT_CLK
MCSI1_DOUT
MCSI1_DIN
MCSI1_SYNC
MCSI1_BCLK
BATT_TEMP
KBR(3)
KBR(0)
MICBIAS
MIC_ABB_N
MIC_ABB_P
KBR(2)
KBC(4)
KBR(0)
KBR(1)
KBR(2)
KBR(3)
KBR(4)
KBR(5)
MAIN_KEY_BL_EN
VBATS
SPK_RCV_N
SPK_RCV_P
BT_CLK_REQ
SYSCLKEN
BT_NRST
CLK_32K
I2C_SCL
CAM_PWON
CAM_VS
PWON
VCAM28_EN
SIM_RST
SIM_CLK
SIM_PWRCTRL
SIM_IO
MEGA_DAT0
MEGA_CLK
MEGA_CMD
KBC(0)
KBC(1)
KBC(2)
KBC(3)
CAM_MCLK
CAM_D(0)
CAM_D(1)
CAM_D(2)
CAM_D(3)
CAM_D(4)
CAM_D(5)
CAM_D(6)
CAM_D(7)
CAM_RST
CAM_HS
CIF_PD
CAM_PCLK
MIC_ABB_N
MIC_ABB_P
I2C_SDA
CAM_PWON
LED_ABC
MICBIAS
VCAM28_EN
LED_ABC
VCAM18_EN
DP_PWON
VCAM18_EN
KBC(3)
KBC(2)
KBC(1)
KBC(0)
KBR(5)
KBR(4)
E_DATA(15)
E_DATA(13)
E_DATA(11)
E_DATA(9)
MAIN_CS
DIF_RESET
DIF_VSYNC
DIF_RD
LCD_ID
FLASH_LED
KBC(4)DIF_VSYNC
LCD_BL_EN
DP_PWON
E_DATA(15:8)
LCD_ID
FLASH_EN
LCD_BL_EN
DIF_WR
DIF_ADS
DIF_ADS
DIF_RD
MAIN_CS
DIF_RESET
DIF_WR
FLASH_EN
7. CIRCUIT DIAGRAM
ME550d