Samsung SGH-E740S Service Manual page 59

BACKLIGHT
LCD_MAIN_CS
L_WR
LD(7)
LD(6)
LD(5)
LD(4)
LD(3)
LD(2)
LD(1)
LD(0)
ONKEY_N
M_SDA
P_CLK
HSYNC
VSYNC
Y(0)
Y(2)
Y(4)
Y(6)
WHEEL_SW1
+VDD_WHEEL
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
VGH_DETECT
WHEEL_SW2
SPK_N
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
HCD500
60 60
59 59
58 58
57 57
56 56
55 55
54 54 53 53
52 52 51 51
50 49 49
50
48 48 47 47
46 46 45 45
44 44
43 43
42 42 41 41
40
39
40 39
38 37
38 37
36
35
36 35
34
33
34 33
32
31
32 31
30
29
30 29
28 28
27 27
26 26
25 25
24
23
24 23
22
21
22 21
20 19
20 19
18
17
18 17
16 15
16 15
14 13
14 13
12 11
12 11
10
10 9 9
8 8 7 7
6
6 5 5
4 4 3 3
2
2 1 1
C530
9-23
Flow Chart of Troubleshooting
VIB
SLIDER_KEY_ON
RS
LCD_RESET
LD(15)
LD(14)
LD(13)
LD(12)
LD(11)
LD(10)
LD(9)
LD(8)
M_SCL
M_CLK
CAM_RESET
CAM_VDD_EN
Y(1)
Y(3)
Y(5)
Y(7)
VBAT
VBAT
+VDD_IO_HIGH
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
FLM
SPK_P