LG L240 Service Manual page 102

7. CIRCUIT DIAGRAM
1 2
KEYPAD BACKLIGHT
A
VBAT
KEY_LED_EN
B
C
FOLDER SWITCH
FOLDER
D
E
1 2
3 4
3
R517 10K
Q501
2
2SC5585
1
VREXTH
U502 A3212EELLT-T
VDD
G1
OUT G2
C503 C504
0.1u 0.1u
3 4
5 6 7
KEYPAD
VREXTH
U501 FSA4157L6X
6 1
B1 S
5 2
GND VCC
R516
4 3
KBR(5) B0 A
150 C501
0.1u
STAR
R520
KBR(0)
150
EVL5M02200
KB_504
VA502
R522
KBR(1)
150
EVL5M02200
SHARP
VA503
R524
KBR(2)
150
EVL5M02200
LEFT
VA504
R526
KBR(3)
150
PG05DBTFC
SOFT_LEFT
VA505
R528
KBR(4)
150
PG05DBTFC
VA506
R529 150
KBC(0)
R530 150
KBC(1)
R531 150
KBC(2)
R532 150
KBC(3)
R533 150
KBC(4)
EVL5M02200
VA508 VA509 VA510 VA511 VA512
EVL5M02200 EVL5M02200
EVL5M02200
EVL5M02200
Section
Designer
Checked
Approved
Iss. Notice No. Date Name
LG Electronics Inc.
5
- 103 -
8 9
VRIO
U503 R535
END
100K
LMV7291MGX-NOPB
5 1 2
4 VIN-
PWON
1 VCC
OUT 3 VIN+
GND
MOD
2
R536
C502 200K
4.7u
VA501
KB_501 KB_502 KB_503 SEND
KB_505 KB_506 KB501 CLEAR
KB_507 KB_508 KB_509 HOT_RIGHT
CN501
3
2
1
UP OK DOWN RIGHT
SOFT_RIGHT HOT_LEFT
CN502
4
3
2
1
Date Sign & Name
MODEL
LG240
06/30
JM KIM
2006
DRAWING
KEY & LED & HALL SWITCH
NAME
DRAWING
Rev 1.1
NO.
10
A
B
C
D
Sheet/
Sheets
5/7