LG KG290 Service Manual page 106

7. CIRCUIT DIAGRAM
1 2 3
I/F CONNECTOR
A
A
ICVE21184E150R101FR FL707
9 1
L_DATA15 INOUT_B1 INOUT_A1
8 2
L_DATA14 INOUT_B2 INOUT_A2
7 3
L_DATA13 INOUT_B3 INOUT_A3
6 4
L_DATA12
INOUT_B4 INOUT_A4
L_DATA11 INOUT_B4 INOUT_A4
B 6 4
L_DATA10
INOUT_B3 INOUT_A3
7 3
L_DATA09
INOUT_B2 INOUT_A2
8 2
L_DATA08 INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL706
L_DATA07 INOUT_B4 INOUT_A4
6 4
L_DATA06
INOUT_B3 INOUT_A3
7 3
L_DATA05 INOUT_B2 INOUT_A2
8 2
L_DATA04 INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL705
L_DATA03
INOUT_B4 INOUT_A4
6 4
L_DATA02
INOUT_B3 INOUT_A3
7 3
L_DATA01 INOUT_B2 INOUT_A2
8 2
C
L_DATA00 INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL704
ICVE21184E150R101FR FL703
9 1
LCD_RS
INOUT_B1 INOUT_A1
8 2
LCD_CS
INOUT_B2 INOUT_A2
7 3
LCD_WR INOUT_B3 INOUT_A3
6 4
VSYNCOUT INOUT_B4 INOUT_A4
KEY_ROW4 INOUT_B4 INOUT_A4
6 4
KEY_COL3 INOUT_B3 INOUT_A3
7 3
KEY_COL4 INOUT_B2 INOUT_A2
8 2
KEY_ROW0 INOUT_B1 INOUT_A1
9 1
D ICVE21184E150R101FR FL702
KEY_ROW1 INOUT_B4 INOUT_A4
6 4
KEY_ROW2 INOUT_B3 INOUT_A3
7 3
KEY_ROW3 INOUT_B2 INOUT_A2
8 2
POWERKEY INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL701
E
UPPER_KEY_BACKLIGHT
VBAT
R709
R707 R708 R710 R711
75 75 75 75
75
VA702
VA703
capacitor
EVL5M02200 NA
F
LD700
LD701 LD702 LD703 LD704
KEY_BACKLIGHT
G
H
2 3
LGIC(42)-A-5505-10:01
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6
2V8_VCAM VBAT
ECN700
FH26-61S-0.3SHW(05)
C701
1u
1
2
3
4
5
C702 6
39p 7
8
9
10
11
12
MLED
13
14
MLED2
15
MLED1
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
IFMODE
39
40
41
42
LCD_RESET
43
44
45
46
47
48
49
50
51
52
MOTOR
53
VBACKUP
54
55
KEY_BACKLIGHT
56
LCD_ID1
57
58
SPK_REV_P
59
SPK_REV_N
60
61
VIBRATOR
VBAT
R712
75
LD705
C704 C705
1u 27p
VIB+
VIB
MOTOR
VA707
EVL14K02200
(480pF)
4 5 6
7 8 9
LCD CONNECTOR 35pin(ZIP)
ENQY0013901(ELCO,14-6293-035-000-829)
2V8_VCAM
35
MLED 34
MLED1 33
MLED2 32
IM1 31
IM2 30
LCD_RESET 29
L_DATA15 28
L_DATA14 27
L_DATA13 26
L_DATA12 25
L_DATA11 24
L_DATA10 23
L_DATA09 22
L_DATA08 21
VSYNCOUT 20
L_DATA07 19
L_DATA06 18
L_DATA05 17
L_DATA04 16
L_DATA03 15 IM1
L_DATA02 14 IM2
L_DATA01 13
L_DATA00 12 R703 R704
0 0
VSYCIN 11
LCD_RD 10
LCD_WR 9
LCD_RS 8
LCD_CS 7
6
5
LCD_ID1 4
3
R700 2
20K
1
CN700
C700
1u
SPEAKER/RECEIVER
BACKUP BATTERY
L700
VBACKUP SPK_REV_P
C703
L701
39p
SPK_REV_N
C706 C707
BAT700
VA705 VA706
39p 39p
NA NA
2V,500mA,SMD Type
7 8 9
8
- 107 -
1 0 11 12
KEYPAD_UPPER
END
POWERKEY
CLR
KEY_ROW0
LEFT MENU
KEY_ROW1
UP SEL
KEY_ROW2
RIGHT SEND
KEY_ROW3
DOWN CONF
KEY_ROW4
VA701
VA700
NA
NA
KEY_COL3
KEY_COL4
1800
SPK_P
1800
SPK_N
OJ100 OJ101
10 11 12
LG Electronics Inc.
LGMC
LGE Internal Use Only
A
C
D
E
F
G
H