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7. CIRCUIT DIAGRAM
1
2
LCD CONNECTOR
XF2B-3545-31A-P
DP_28
A
CN101
1
MLED
LED_CA1
3
LED_CA2
LED_CA3
5
7
LCD_ID
E_DATA(15)
9
E_DATA(14)
E_DATA(13)
11
E_DATA(12)
E_DATA(11)
13
E_DATA(10)
E_DATA(9)
15
E_DATA(8)
17
19
B
21
23
25
DP_28
DP_28
DIF_RD
27
TP100
29
R119
NA
DIF_VSYNC
31
R118
NA
IF2
IF1
33
R120
R121
35
0
NA
C100
C101
18p
0.1u
C
DISPLAY PART POWER
VBAT
DP_28
U101 R1114D281D-TR-F
1
3
VDD
VOUT
4
2
NC
GND1
6
5
DP_PWON
C102
CE
GND2
1uF
R141
C105
1uF
100K
D
C106
C107
C108
1uF
1uF
1uF
VBAT
4
3
VIN
VOUT_FL
13
C111
VOUT_BL
2.2u
9
GND
17
PGND
5
ISINK1
R130
1.5K
16
6
FLASH_EN
EN_FLSH
ISINK2
7
ISINK3
R131
330
R145
10
8
ISINK4
LCD_BL_EN
EN_SET
0
E
U104
R132
AAT2805IXN-4.5-T1
100K
CHARGE PUMP
3LED(60mA) + FLASH(300mA)
1
2
3
4
R103
2
10
4
6
LED100
8
10
12
14
16
18
20
22
24
26
TP101
28
DIF_WR
TP102
DIF_ADS
TP103
30
MAIN_CS
CAMERA PART POWER
32
TP104
34
DIF_RESET
VBAT
VCAM_CORE_15
U100
BH15LB1WHFV
1
5
CAM_PWON
STBY
NC
2
6
GND
BGND
3
4
VIN
VOUT
R140
C103
100K
1uF
VBAT
U102 R1114D281D-TR-F
1
3
VDD
VOUT
4
2
NC
GND1
6
5
VCAM28_EN
CE
GND2
R137
C110
1uF
100K
VBAT
U103
BH18PB1WHFV
1
5
VCAM18_EN
STBY
SEL
2
6
GND
BGND
3
4
R138
VIN
VOUT
100K
C112
1uF
FB100
FLASH_LED
FB101
MLED
LED_CA1
LED_CA2
LED_CA3
C114
C115
C116
C117
27p
1uF
1uF
27p
3
4
5
6
7
VBAT
R104
10
LED101
R134
0
LED_ABC
KEYPAD
R122
KBR(4)
150
C104
1uF
VA100
EVLC5S02100
R123
KBR(5)
150
VCAM_28
VA101
EVLC5S02100
C109
1uF
R124
150
KBC(0)
R125
150
KBC(1)
R127
150
KBC(2)
R128
150
KBC(3)
R129
150
KBC(4)
VCAM_18
EVLC5S02100
EVLC5S02100
EVLC5S02100
C113
1uF
Section
Designer
Checked
Approved
Iss.
Notice No.
Date
Name
5
- 124 -
8
9
VBAT
CN100
51 52
1
50
2
49
3
48
4
47
5
46
6
45
VCAM28_EN
7
44
LED_ABC
8
43
9
42
VCAM18_EN
E_DATA(8)
10
41
DP_PWON
E_DATA(9)
11
40
E_DATA(10)
12
39
FLASH_EN
E_DATA(11)
13
38
LCD_BL_EN
E_DATA(12)
14
37
DIF_WR
E_DATA(13)
15
36
DIF_ADS
E_DATA(14)
16
35
MAIN_CS
E_DATA(15)
17
34
DIF_RESET
18
33
DIF_VSYNC
KBR(4)
19
32
DIF_RD
KBR(5)
20
31
LCD_ID
KBC(0)
VCAM_CORE_15
21
30
FLASH_LED
KBC(1)
VCAM_28
22
29
KBC(2)
VCAM_18
23
28
KBC(3)
24
27
KBC(4)
25
26
CAM_PWON
53 54
S_UP
S_DOWN
S_OK
S_LEFT
S_RIGHT
S_MENU100
S_MENU101
SEND
CLR
EVLC5S02100
EVLC5S02100
Date
Sign & Name
MODEL
ME550d
ME550c Slide Key
01/30
K
2007
DRAWING
ChargePump & LDO & LED & CONN.
NAME
DRAWING
LG Electronics Inc.
1.2
NO.
10
A
B
C
D
Sheet/
Sheets
1/1
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