LG KF700Q Service Manual page 95

4. TROUBLE SHOOTING
FB1( V REG_CAM _2.8V
LCD_DATA(15)
LCD_DATA(14)
LCD_DATA(13)
LCD_DATA(12)
LCD_DATA(11)
LCD_DATA(10)
LCD_DATA(9)
LCD_DATA(8)
LCD_DATA(7)
LCD_DATA(6)
LCD_DATA(5)
LCD_DATA(4)
LCD_DATA(3)
LCD_DATA(2)
LCD_DATA(1)
LCD_DATA(0)
LCD_IF_MODE
EBI2_ADDR(11)
LCD_CS_N
LCD_RESET_N
EBI2_OE_N
EBI2_WE_N
LCD_VSYNC_OUT
VGA_CAM_PWDN
LCD_MAKER_ID
Rev.1.0
TOUCH_I2C_SCL
TOUCH_I2C_SDA
TOUCH_PENIRQ_N
R306( V GA_CAM _PWDN)
LGE Internal Use Only
VREG_CAM_2.8V
FB1
CN101
1 20
VGA_CAM_PWDN
2 19
CAM_MCLK
3 18
4 17
CAM_PCLK
5 16
CAM_DATA(0)
6 15
CAM_DATA(1)
7 14
CAM_DATA(2)
8 13
CAM_DATA(3)
9 12
CAM_DATA(4)
10 11
CAM_DATA(5)
VGA CAMERA CONNECTOR
MAGNACHIPS
CN301
G1 G2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
R306 51 26
27
28
29
30
31
32
G3 G4
MAIN PCB TO LCD FPCB
[Fig. 4.9] Schematic of VGA camera part
- 96 -
VREG_CAM_1.8V
Rev_1.0
C105 C106
FB2
04/14 FB2( V REG_CAM _1.8V )
0.1u 0.1u
VGA_CAM_RESET_N
I2C_SCL
I2C_SDA
CAM_HSYNC
CAM_VSYNC
CAM_DATA(7)
CAM_DATA(6)
64
CAM_VSYNC
63
CAM_HSYNC
62
CAM_DATA(7)
61
CAM_DATA(6)
60
CAM_DATA(5)
59
CAM_DATA(4)
58
CAM_DATA(3)
57
CAM_DATA(2)
56
CAM_DATA(1)
55
CAM_DATA(0)
54
53
CAM_PCLK
52
51
CAM_MCLK
50
VGA_CAM_RESET_N
49
I2C_SCL
48
I2C_SDA
47
46
45
WLED_PWR
44
MLED1
43
MLED2
42
MLED3
41
MLED4
40
MLED5
39
MLED6
38
37
MOTOR+
36
MOTOR-
35
34
SPK_RCV+
33
SPK_RCV-
( V GA_CAM _RESET_N)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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