LG TracFone LG840G Service Manual page 41

+VPWR
LCD_PWM
LCD_ID
MLED[1]
D601 D602
MLED[2]
C604
MLED[3]
2.2u
MLED[4]
MLED[5]
FL603
15pF
LCD_RS
INOUT_A4 INOUT_B4
4 6
LCD_CS_N
INOUT_A3 INOUT_B3
3 7
EBI2_OE_N
INOUT_A2 INOUT_B2
2 8
EBI2_WE_N
INOUT_A1 INOUT_B1
1 9
LCD_VSYNC
C621
15p
LGE Internal Use Only
VREG_MSME_1.8V
R601
100K
R602
LCD_RESET_N
100
D603
GB042-40S-H10-E3000
R636
100
C622
15p
Figure 3.5.7.2.2 The LCD interface
VREG_MSME_1.8V
VREG_LCD_2.8V
C603
1u
CN601
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9 32
10 31
11 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
ENBY0036001
C613
1u
- 41 - Copyright © 2012 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
LCD Filter(EMI 100 ohm, 15pF)
FL601
15pF
INOUT_A4 INOUT_B4 EBI2_DATA[0]
4 6
EBI2_DATA[1]
INOUT_A3 INOUT_B3
3 7
EBI2_DATA[2]
INOUT_A2 INOUT_B2
2 8
EBI2_DATA[3]
INOUT_A1 INOUT_B1
1 9
FL602
15pF
EBI2_DATA[4]
INOUT_A4 INOUT_B4
4 6
EBI2_DATA[5]
INOUT_A3 INOUT_B3
3 7
EBI2_DATA[6]
INOUT_A2 INOUT_B2
2 8
EBI2_DATA[7]
INOUT_A1 INOUT_B1
1 9
FL604
15pF
EBI2_DATA[8]
INOUT_A4 INOUT_B4
4 6
INOUT_A3 INOUT_B3 EBI2_DATA[9]
3 7
INOUT_A2 INOUT_B2 EBI2_DATA[10]
2 8
EBI2_DATA[11]
INOUT_A1 INOUT_B1
1 9
FL605
15pF
EBI2_DATA[12]
INOUT_A4 INOUT_B4
4 6
EBI2_DATA[13]
INOUT_A3 INOUT_B3
3 7
EBI2_DATA[14]
INOUT_A2 INOUT_B2
2 8
EBI2_DATA[15]
INOUT_A1 INOUT_B1
1 9
Only for training and service purposes