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7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
KB105
KB101 KB102 KB103 KB104
KB109KB108KB107KB106
KB111KB110
LD103 LD104 LD105 LD108LD106 LD107
10
R107 R108
10
10
R105 R106
10
10
R109 R110
10
VA101
C102
0.1u0.1u
C101
VA102
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
CN102
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN101
2625
2724
2823
2922
3021
3120
3219
3318
3417
3516
3615
3714
3813
3912
4011
4110
429
438
447
456
465
474
483
492
501
1101R
201R 1
VLDO_LCD_1V8 VLDO_LCD_2V8
LCD_MAKER_ID
LCD_MAKER_ID
LCD_RD
LCD_RD
WLED3
WLED3
WLED2
WLED2
WLED1
WLED1
LCD_VSYNC_OUT
LCD_VSYNC_OUT
LCD_RS
LCD_RS
KEY_COL7
KEY_COL7
KEY_COL6
KEY_COL6
KEY_COL5
KEY_COL5
KEY_ROW0
KEY_ROW0
KEY_ROW1
KEY_ROW1
KEY_ROW2
KEY_ROW2
KEY_ROW3
KEY_ROW3
SLIDE_KEY_LED
SLIDE_KEY_LED
LCD_DATA[7]
LCD_DATA[7]
LCD_DATA[6]
LCD_DATA[6]
LCD_DATA[5]
LCD_DATA[5]
LCD_DATA[4]
LCD_DATA[4]
LCD_DATA[3]
LCD_DATA[3]
LCD_DATA[2]
LCD_DATA[2]
LCD_DATA[1]
LCD_DATA[1]
LCD_DATA[0]
LCD_DATA[0]
LCD_WR_N
LCD_WR_N
LCD_CS_N
LCD_CS_N
LCD_RST_N
LCD_RST_N
LCD_DATA[15]
LCD_DATA[15]
LCD_DATA[14]
LCD_DATA[14]
LCD_DATA[13]
LCD_DATA[13]
LCD_DATA[12]
LCD_DATA[12]
LCD_DATA[11]
LCD_DATA[11]
LCD_DATA[10]
LCD_DATA[10]
LCD_DATA[9]
LCD_DATA[9]
LCD_DATA[8]
LCD_DATA[8]
LCD_IF_MODE[0]
LCD_IF_MODE[0]
WLED4
WLED4
WLED5
WLED5
PM_ONSW_N
PM_ONSW_N
LCD_IF_MODE[1]
LCD_IF_MODE[1]
WLED_VOUT
WLED_VOUT
WLED_VOUT
VLDO_LCD_2V8
VLDO_LCD_1V8
POWER KEY
SUB PCB KEY
DOWN
OK
RIGHT
LEFT
UP
Multi.
Widget
TALK
RSK
LSK
END
SUB KEY B/L
Slide KEY PCB to Slide FPCB
ENBY0040501(GB042-50P-H10-E3000,SOCKET)
KEY PCB
LCD FILTER, ZIP CONNECTOR