LG KE520 Service Manual page 147

7. CIRCUIT DIAGRAM
VBAT
LCD_BL_EN
FLASH_LED
LED_ABC
FPCB_CONNECTOR
DIF_IF
CN4
G1 G2
E_DATA(15:0)
1 80
2 79
E_DATA(0)
SPK_RCV_P
3 78
E_DATA(1)
SPK_RCV_N
E_DATA(2) 4 77
5 76
E_DATA(3)
6 75
E_DATA(4)
E_DATA(5) 7 74
8 73
E_DATA(6)
9 72
E_DATA(7)
10 71
E_DATA(8)
E_DATA(9) 11 70
CIF_PD
E_DATA(10) 12 69
CAM_D(0)
13 68
E_DATA(11)
CAM_D(1)
14 67
E_DATA(12)
CAM_D(2)
E_DATA(13) 15 66
CAM_D(3)
16 65
E_DATA(14)
CAM_D(4)
17 64
E_DATA(15)
CAM_D(5)
18 63
CAM_D(6)
19 62
LED_ABC CAM_D(7)
20 61
CAM_RST
21 60
MAIN_CS CAM_HS
22 59
DIF_RESET
23 58
DIF_ADS CAM_PCLK
24 57
DIF_WR
25 56
DIF_RD CAM_MCLK
26 55
DIF_VSYNC
27 54
DP_PWON CAM_VS
28 53
FLASH_EN
29 52
LCD_BL_EN I2C_SDA
30 51
LCD_ID I2C_SCL
31 50
DP_IO_ON
32 49
KBR(4)
33 48
KBR(5)
34 47
KBC(0)
35 46
KBC(1)
36 45
KBC(2)
37 44
KBC(3)
38 43
KBC(4)
39 42
40 41
G3 G4
LGE Internal Use Only
VREXTL
CN1
G1
1 26
2 25
LCD_ID
3 24
E_DATA(15)
4 23
E_DATA(14)
5 22
E_DATA(13)
6 21
E_DATA(12)
7 20
E_DATA(11)
8 19
E_DATA(10)
9 18
E_DATA(9)
10 17
E_DATA(8)
11 16
E_DATA(7)
12 15
E_DATA(6)
13 14
E_DATA(5)
G2
RA1 100
1 2
CAM_D(7)
3 4
CAM_D(6)
5 6
CAM_D(5)
7 8
CAM_D(4)
RA2 100
1 2
CAM_D(3)
3 4
CAM_D(2)
5 6
CAM_D(1)
7 8
CAM_D(0)
CAM_PCLK
CAM_RST
CIF_PD
VCAM_CORE_15
VCAM_28
VCAM_18 Audio Filter & PAD
VREXTL
SPK_RCV_P
C10
100p
VBAT
SPK_RCV_N
C11
47p
- 148 -
CN2
G1
1 26
2 25
E_DATA(4) KBR(4)
3 24
E_DATA(3) KBR(5)
4 23
E_DATA(2) KBC(0)
5 22
E_DATA(1) KBC(1)
6 21
E_DATA(0) KBC(2)
7 20
KBC(3)
8 19
DIF_RD KBC(4)
9 18
DIF_WR DP_PWON
10 17
DIF_ADS FLASH_EN
11 16
MAIN_CS DIF_RESET
12 15
DIF_VSYNC DIF_IF
13 14
DP_IO_ON
G2
2M F/F CAMERA CONNECTOR
DVDD_CORE
VCAM_CORE_15
VCAM_28
VCAM_18
CN3
G1 G2
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
G3 G4
C2 C3 C4 C5 C6
56p 0.1u 0.1u 56p 56p
C8 C9
56p 56p
FLASH_LED
OUT1
LEWW-S35KA LD1
EVLC18S02015
VA1
OUT2
C12
47p
VA2 VA3
EVLC18S02015 EVLC18S02015
I2C_SCL
I2C_SDA
CAM_VS
CAM_HS
CAM_MCLK
C7
0.1u
KE520
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Only for training and service purposes