LG GU280, Service Manual

Page: 115 / 149

7. CIRCUIT DIAGRAM
- 116 - LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
16 15 14 13 12 11 10 9
8
7 6 5 4 3 2 1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
GB042-50P-H10-E3000
CN101
26 25
27 24
28 23
29 22
30 21
31 20
32 19
33 18
34 17
35 16
36 15
37 14
38 13
39 12
40 11
41 10
42 9
43 8
44 7
45 6
46 5
47 4
48 3
49 2
50 1
AXT680124
CN100
41 40
42 39
43 38
44 37
45 36
46 35
47 34
48 33
49 32
50 31
51 30
52 29
53 28
54 27
55 26
56 25
57 24
58 23
59 22
60 21
61 20
62 19
63 18
64 17
65 16
66 15
67 14
68 13
69 12
70 11
71 10
72 9
73 8
74 7
75 6
76 5
77 4
78 3
79 2
80 1
G1 G2
G3 G4
AXM41511LG1
S100
5
1
4
1
3
1
2
1
1
1
10
9
8
7
16 6
17
18
19
20
1 2 3 4 5
0
D
K
L
C
P
D
N
G
K
L
C
M
D
D
V
D
3
D
N
G
P
4
D
N
G
P
AVDD
PGND2 IOVDD
PGND1 RESET
SCL
D1 SDA
D2
D3 PGND5
D4 PGND6
D5
8
D
N
G
P
7
D
N
G
P
6
D
7
D
C
N
Y
S
V
C
N
Y
S
H
Y
B
D
N
A
T
S
EVLC14S02050
VA100
15p
C100
+VPWR
LDO_CAM_2.8V
LDO_CAM_1.8V
03-
S1
25
B
R
00
1
D
+VPWR
MVMF-A300M2
VB101
2
1
+VPWR
+VPWR
V
8.
1
_
M
A
C
_
O
D
L
V
8.
2
_
M
A
C
_
O
D
L
V
8.
1
_
M
A
C
_
O
D
L
F
p
5
.
7 30
1L
F
R0
10
51
0
Q3
0 S8
1
C
R
V
E
10
5
6
4
73 82 91
1
A
_
T
U
O
NI
1
B _
T
U
O
NI
2
A
_
T
U
O
NI
2
B _
T
U
O
NI
3
A
_
T
U
O
NI
3
B _
T
U
O
NI
4
A
_
T
U
O
NI
4
B _
T
U
O
NI
G1
G2
RCV100
MVMF-A300M2
2
1
600
HH-1M1005-601JT
FB110
FB111
HH-1M1005-601JT
600
EVLC18S02015
VA110 VA111
EVLC18S02015
7.5pF
EVRC18S03Q015010R FL101
0
1
5
6 4
7 3
8 2
9 1
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
1
G
2
G
7.5pF
EVRC18S03Q015010R FL104
0
1
5
6 4
7 3
8 2
9 1
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
1
G
2
G
7.5pF
EVRC18S03Q015010R FL102
0
1 5
6 4
7 3
8 2
9 1
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
1
G
2
G
EBI2_DATA[7]
EBI2_DATA[7]
EBI2_DATA[6]
EBI2_DATA[6]
EBI2_DATA[5]
EBI2_DATA[5]
I2C_SCL_BL
I2C_SCL_BL
I2C_SDA_BL
I2C_SDA_BL
VBACK_UP
VBACK_UP
KEY_ROW[4]
KEY_ROW[4]
CAMIF_PCLK
CAMIF_PCLK
C
N
Y
S
V
_
F
I
M
A
C
CAMIF_VSYNC
]
7
[
A
T
A
D
_
F
I
M
A
C
CAMIF_DATA[7]
N
D
W
P
_
M
A
C
_
A
G
V
VGA_CAM_PWDN
LCD_ADS
LCD_ADS LCD_CS_N
LCD_CS_N
KEY_COL[4]
KEY_COL[4]
LCD_MAKER_ID
LCD_MAKER_ID
LCD_RST
LCD_RST
VGA_CAM_RST
VGA_CAM_RST
I2C_SCL
I2C_SCL
I2C_SDA
I2C_SDA
CAMIF_DATA[5]
CAMIF_DATA[5]
CAMIF_DATA[4]
CAMIF_DATA[4]
CAMIF_DATA[3]
CAMIF_DATA[3]
CAMIF_DATA[2]
CAMIF_DATA[2]
CAMIF_DATA[1]
CAMIF_DATA[1]
CAMIF_DATA[0]
CAMIF_DATA[0]
C
N
Y
S
H
_
F
I
M
A
C
CAMIF_HSYNC
LCD_VSYNC
LCD_VSYNC
KEY_ROW[0]
KEY_ROW[0]
KEY_ROW[1]
KEY_ROW[1]
KEY_ROW[2]
KEY_ROW[2]
KEY_ROW[3]
KEY_ROW[3]
KEY_COL[3]
KEY_COL[3]
EBI2_OE_N
EBI2_OE_N
EBI2_DATA[9]
EBI2_DATA[9]
EBI2_DATA[8]
EBI2_DATA[8]
EBI2_DATA[4]
EBI2_DATA[4]
EBI2_DATA[3]
EBI2_DATA[3]
EBI2_DATA[2]
EBI2_DATA[2]
EBI2_DATA[15]
EBI2_DATA[15]
EBI2_DATA[14]
EBI2_DATA[14]
EBI2_DATA[13]
EBI2_DATA[13]
EBI2_DATA[12]
EBI2_DATA[12]
EBI2_DATA[11]
EBI2_DATA[11]
EBI2_DATA[10]
EBI2_DATA[10]
EBI2_DATA[1]
EBI2_DATA[1]
EBI2_DATA[0]
EBI2_DATA[0]
LCD_IF[1]
LCD_IF[1]
LCD_LDO_EN
LCD_LDO_EN
LCD_IF[2]
LCD_IF[2]
EBI2_WE_N
EBI2_WE_N
KPDPWR_N
KPDPWR_N
SUB_BACKLIGHT
SUB_BACKLIGHT
MOTOR_POWER_N
MOTOR_POWER_N
RCV+
RCV+
RCV-
RCV- CAMIF_MCLK
CAMIF_MCLK
CAMIF_DATA[6]
CAMIF_DATA[6]
KEY BAOARD CON.(50 PINS)
MAIN BAOARD CON.(80 PINS)
VGA CAMERA SOCKET(20 PINS)
VIBRATOR
RECEIVER
<GU280_FPCB_REV.A>