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7. CIRCUIT DIAGRAM
1
1
2
2
3
3
4
4
A
A
LCD Connector
AP_VDD_LCD_2.8V
(lower contact)
CN100
1
2
3
4
5
6
7
8
9
R115
0
10
11
R102
12
100K
13
TP100
14
15
16
17
18
19
20
TP101
21
22
23
24
25
26
27
28
29
30
R103 100K
31
R104 100K
32
33
34
35
C105
820p
XF2B-3545-31A-P
SW100
KEY_ROW(0)
SW103
KEY_ROW(1)
SW106
KEY_ROW(2)
SW109
KEY_ROW(3)
KEY_COL(4)
KEY_COL(5)
KEY_COL(6)
1
1
2
2
3
3
4
4
LGE Internal Use Only
5
5
6
6
7
8
D100
1
6
LCD_DATA(0)
LCD_DATA(10)
DIS_WEN
2
5
LED1
LED2
3
4
LED3
LCD_DATA(2)
LCD_DATA(8)
LCD_DATA(7)
LED4
LED_ANODE
PLR0504F
LCD_VS
D102
DIS_CSN
DIS_RS
1
6
DIS_WEN
LCD_DATA(15)
LCD_DATA(12)
LCD_DATA(11)
2
5
LCD_DATA(0:15)
LCD_DATA(0)
LCD_DATA(1)
3
4
LCD_DATA(13)
LCD_DATA(14)
LCD_DATA(9)
LCD_DATA(2)
LCD_DATA(3)
LCD_DATA(4)
PLR0504F
LCD_DATA(5)
LCD_DATA(6)
LCD_DATA(7)
LCD_DATA(8)
D104
LCD_DATA(9)
LCD_DATA(10)
LCD_DATA(11)
1
6
LCD_DATA(4)
LCD_VS
LCD_DATA(12)
LCD_DATA(13)
2
5
LCD_DATA(14)
LCD_DATA(15)
3
4
LCD_DATA(6)
DIS_RS
LCD_NRESET
PLR0504F
TP102
SW101
SW102
FUNCTION KEYPAD LED
SW104
SW105
AP_+VPWR
SW107
SW108
LD100
R106 100ohm
SW110
SW111
SSC-TWH104-HLS
SSC-TWH104-HLS
LD103
R109
100ohm
SSC-TWH104-HLS
SSC-TWH104-HLS
LD105
R111
100ohm
SSC-TWH104-HLS
SSC-TWH104-HLS
LD107
R113
100ohm
SSC-TWH104-HLS
SSC-TWH104-HLS
KPD_DRV_N
VA100
EVL14K02200
5
5
6
6
7
7
8
8
9
10
11
12
AP_+VPWR
D101
LED_ANODE
1
6
LCD_DATA(5)
WLED_CTL
2
5
C102
C103
1u
4.7u
3
4
DIS_CSN
PLR0504F
D103
1
6
LCD_DATA(1)
2
5
3
4
LCD_DATA(3)
LCD_Backlight driver
PLR0504F
LCD_DATA(0)
LCD_DATA(2)
LCD_DATA(4)
LCD_DATA(6)
LCD_DATA(8)
LCD_DATA(10)
LCD_DATA(12)
LCD_DATA(14)
LCD_DATA(15)
LCD_DATA(13)
LCD_DATA(11)
LCD_DATA(9)
LCD_DATA(7)
LCD_DATA(5)
AP_+VPWR
LCD_DATA(3)
LCD_DATA(1)
LD101
LD102
R107 100ohm
R108
100ohm
SSC-TWH104-HLS
LD104
R110
100ohm
LD106
R112
100ohm
LD108
R114
100ohm
Approved
Approved
9
9
- 198 -
13
14
15
16
U100
AAT3151IWP_T1
8
3
VIN
C1+
C100
1u
5
4
VOUT
C1-
6
C2+
C101
2
EN_SET
1u
7
C2-
10
D1
LED1
11
LED2
D2
9
12
LED3
GND
D3
13
1
LED4
PGND
D4
FUNCTION-SLIDER CON-HEADER
CN101
1
40
2
39
KEY_COL(7)
3
38
KEY_COL(6)
4
37
KEY_COL(5)
5
36
KEY_COL(4)
6
35
KEY_ROW(3)
7
34
KEY_ROW(2)
8
33
KEY_ROW(1)
9
32
KEY_ROW(0)
10
31
KPD_DRV_N
11
30
12
29
LCD_NRESET
13
28
DIS_WEN
14
27
DIS_RS
15
26
AP_VDD_LCD_2.8V
DIS_CSN
16
25
LCD_VS
17
24
18
23
WLED_CTL
19
22
20
21
Section
Section
Date
Date
Sign & Name
Sign & Name
MAY
MAY
MODEL
MODEL
JOY 1.3
Designer
Designer
LGE
LGE
2006
Checked
Checked
DRAWING
DRAWING
LCD & FUNCTION KEY
NAME
NAME
DRAWING
DRAWING
LG Electronics Inc.
LG Electronics Inc.
NO.
NO.
LG Electronics Inc.
LG Electronics Inc.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
C
D
E
F
C
C
D
D
E
E
Sheet/
Sheet/
Sheets
Sheets
1/1
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