LG ME550d, Service Manual

Page: 3 / 22

- 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
2 3
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
2 3 1 6 4 5 7 8
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
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
FL204 EVRC14S03Q030100R
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
10
VCC
0.1u
C205
U203
FSA2267AL10X
9
1A 1B0
1
1B1
2
1S
8
2A
6
3
2B0
4
2B1
2S
7
5
GND
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
0 R205
4
5
6
7 8
9
10
11
12
13
14
CN203
1
2
3
VRMEM
C204
0.1u
C216
33nF
1uF
C209
FL205 EVRC14S03Q030100R
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
OUT_P
7
PGND
PVDD
10
P_GND
11
6
SYNC
1
VDD
5
_SHDN
U202 MAX9700CETB
4
GND
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
0 R202
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