LG KE590 Service Manual page 122

7. CIRCUIT DIAGRAM
1 2 3
LCD CONNECTOR
XF2B-3545-31A-P
DP_28
A
CN101
1
MLED 2
LED_CA1 3
LED_CA2 4
LED_CA3 5
6
7
LCD_ID 8
E_DATA(15) 9
E_DATA(14) 10
E_DATA(13) 11
E_DATA(12) 12
E_DATA(11) 13
E_DATA(10) 14
E_DATA(9) 15
E_DATA(8) 16
17
18
19
B
20
21
22
23
24
25
DP_28 DP_28
26
DIF_RD 27
TP100
28
29
30
R119
NA DIF_VSYNC 31
R118 0 IF2
32
IF1
33
34
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 CE GND2 C102
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
LCD_BL_EN EN_SET ISINK4
0
E
C114
U104 27p
R132
AAT2805IXN-4.5-T1
100K
CHARGE PUMP
3LED(60mA) + FLASH(300mA)
1 2
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5
VBAT
R103 R104
10 10
LED100
TP101
DIF_WR
TP102
DIF_ADS
TP103
MAIN_CS
CAMERA PART POWER
TP104
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 VCAM_28
U102 R1114D281D-TR-F
1 3
VDD VOUT
4 2
NC GND1
6 5
VCAM28_EN CE GND2
R137
C110
1uF
100K
VCAM_18
VBAT
U103 BH18LB1WHFV
1 5
VCAM18_EN STBY NC
2 6
GND BGND
3 4
R138 VIN VOUT
100K
C112
1uF
FB100
FLASH_LED
FB101
MLED
LED_CA1
LED_CA2
LED_CA3
C115 C116 C117
1uF 1uF 27p
3 4 5
6 7
LED101
R134 0
LED_ABC
VCAM_CORE_15
VCAM_28
VCAM_18
KEYPAD
R122
KBR(4)
150
C104
1uF
VA100
EVLC5S02100
R123
KBR(5)
150
VA101
EVLC5S02100
C109
1uF
R124 150
KBC(0)
R125 150
KBC(1)
R127 150
KBC(2)
R128 150
KBC(3)
R129 150
KBC(4)
EVLC5S02100 EVLC5S02100
EVLC5S02100 EVLC5S02100 EVLC5S02100
C113
1uF
- 123 -
8 9 10
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)
21 30
FLASH_LED KBC(1)
22 29
KBC(2)
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
LGMC
LGE Internal Use Only
A
B
C
D