LG L704I Service Manual page 160

7. CIRCUIT DIAGRAM
< LCD CON >
VREG_LCD_2.8V
LCD_MAKER_ID
EBI2_DATA(0)
EBI2_DATA(1)
EBI2_DATA(2)
EBI2_DATA(3)
EBI2_DATA(4)
EBI2_DATA(5)
EBI2_DATA(6)
EBI2_DATA(7)
EBI2_DATA(8)
EBI2_DATA(9)
EBI2_DATA(10)
EBI2_DATA(11)
EBI2_DATA(12)
EBI2_DATA(13)
EBI2_DATA(14)
EBI2_DATA(15)
LCD_RESET_N
EBI2_WE_N
47K
VREG_LCD_2.8V
LCD_CS_N
LCD_ADS
LCD_VSYNC
MLED_CATHOD5
MLED_CATHOD4
MLED_CATHOD3
MLED_CATHOD2
MLED_CATHOD1
MLED_ANODE
1 2
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CN2
1
2
3
D1
4 C1
5 0.1u
6
7
8
9
10 +VPWR
11
12
13
14
15
16 LCD_BL_CTRL
17
18
19
20
21
22
23
24
R14
25
26
27
28
29
30
31
32
33
34
35
ENQY0012201
IMSA-9671S-35Y902
VREG_TOUCH_OUT
+VPWR
KEY_LED_DRV_N
VREG_TOUCH
3 4 5
< LCD BACK LIGHT >
EUSY0263102
MAX8630ZETD20+T
3 7
IN OUT MLED_ANODE
1 14
GND LED1 MLED_CATHOD4
13
LED2 MLED_CATHOD2
U2
12
LED3 MLED_CATHOD5
11
LED4 MLED_CATHOD3
9 10
ENM LED5 MLED_CATHOD1
8 15
ENS P_GND
< TOUCH >
FB1
VREG_TOUCH
SFBH0000909
HB-1M1005-600JT
VREG_TOUCH_OUT
CN1
G1 G2
1 10
2 9
TOUCH_ATTN_N
3 8
TOUCH_I2C_SCL
4 7
TOUCH_I2C_SDA
5 6
G3 G4
ENBY0018601
AXK7L10227G
- 161 -
< FPCB to KEY CON >
G2 G1
CN3
40 1
39 2
+VPWR EBI2_DATA(0)
38 3
EBI2_DATA(1)
37 4
EBI2_DATA(2)
36 5
KEY_LED_DRV_N EBI2_DATA(3)
35 6
VREG_TOUCH_OUT EBI2_DATA(4)
34 7
LCD_MAKER_ID EBI2_DATA(5)
33 8
VREG_LCD_2.8V EBI2_DATA(6)
32 9
LCD_RESET_N EBI2_DATA(7)
31 10
30 11
EBI2_DATA(8)
29 12
LCD_CS_N EBI2_DATA(9)
28 13
LCD_ADS EBI2_DATA(10)
27 14
EBI2_WE_N EBI2_DATA(11)
26 15
EBI2_DATA(12)
25 16
EBI2_DATA(13)
24 17
TOUCH_ATTN_N EBI2_DATA(14)
23 18
TOUCH_I2C_SDA EBI2_DATA(15)
22 19
TOUCH_I2C_SCL
21 20
LCD_BL_CTRL
G4 G3
AXK7L40227G
ENBY0020301
LGE Internal Use Only
A
B
C
D