LG U880 Service Manual page 151

7. CIRCUIT DIAGRAM
FOLDER_SENSE
R600
VREG_MSMP_2.7V
U600 A3212EEH-T
62
1
OUTPUT VDD
2
NC1 NC2
GND2
3
GND1 PGND
FOLDER_DETECT
C601
0.1u
VREG_MSMP_2.7V
RA600
R603
10K
HOT1
10K
KEY_ROW(0)
1
1
KEY_ROW(1)
4
4
KEY_ROW(2)
7
7
KEY_ROW(3)
HOT4
KEY_COL(0) HOT4
KEY_ROW(4)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
LCD_BACK_LIGHT_CHARGE_PUMP
U601 AAT3152IWP
R602 C604 1u
8 3
+VPWR IN C1+
0
6
R604
5 5 4
WLED_PWR OUTCP C1-
C603 1u
4 6
0 C2+
7
2
LCD_BACK_EN EN_SET
7
C2-
10
ISINK1 WLED_1
11
ISINK2 WLED_2
9 12
GND ISINK3 WLED_3
13 1
PGND ISINK4 WLED_4
KEY
VREG_LCD_2.8V
HOT2 HOT3 CLR MENU
EBI2_DATA(0)
CLR MENU
EBI2_DATA(1)
EBI2_DATA(2)
2 3 LEFT UP
EBI2_DATA(3)
2 3 LEFT UP
5 6 OK RIGHT
5 6 OK RIGHT EBI2_DATA(4)
EBI2_DATA(5)
EBI2_DATA(6)
8 9 SND SEARCH
EBI2_DATA(7)
8 9 SND
SEARCH
0 HOT5 DN BACK
LCD_MAKER_ID
0 HOT5 DN BACK
KEY_COL(6)
KEY_ROW(1)
KEY_BACK_LIGHT
LD602
LD616 LD617
0
R666 R667 LEBB-S14H
+VPWR
R607 LD613
47 47
LEBB-S14H LEBB-S14H
LD600 LD610
R651 R652 LEBB-S14H
LD608
47 47
LEBB-S14H LEBB-S14H
LD601 LD606
R654 R655 LEBB-S14H
LD612
47 47
LEBB-S14H LEBB-S14H
LD605 LD609
R657 R658 LEBB-S14H
LD614
47 47
LEBB-S14H LEBB-S14H
LD603 LD607
R660 R661 LEBB-S14H
LD604
47 47
LEBB-S14H LEBB-S14H
LD611 LD615
R663 R664 LEBB-S14H
LD620
47 47
LEBB-S14H LEBB-S14H
LD618 LD619
R668 R669 LEBB-S14H
47 47
LEBB-S14H LEBB-S14H
LD621
R674
47
LEBB-S14H
CAMERA_SIDE_KEY
ON_SW
END
D602
ON_SW_N END
RB521S-30
R671
KEY_ROW(0)
100
EVLC14S02050
SIDE_KEY_COL(5)
R673
KEY_COL(5)
PM_ON_SW_N
LCD_CONNECTOR
FL603 ICVE21184E150R500FR
1 9
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4
CN600
51 52
1 50
2 49
3 48
FL604 ICVE21184E150R500FR 4 47
1 9 5 46
INOUT_A1 INOUT_B1
2 8 6 45
INOUT_A2 INOUT_B2
3 7 7 44
INOUT_A3 INOUT_B3
4 6 8 43
INOUT_A4 INOUT_B4
9 42
10 41
11 40
12 39
13 38
14 37
15 36
+VPWR
16 35
17 34
18 33
WLED_PWR
19 32
WLED_PWR
20 31
21 30
SPK_R+
22 29
SPK_R-
23 28
SPK_L+
24 27
SPK_L-
25 26
53 54
AXT450124
R650
47
VA605 UCLAMP0501H
INSTPAR C600
R653
ZD600
0.1u
EVLC14S02050
47
R656
47
D600
R659
6 1
SPK_L+ SPK_L-
47
5 2
SPK_R-
R662
4 3
SPK_R+ LCD_RESET_N
47
UCLAMP0505A
R665
47
R670
47
KYBD_BACKLIGHT
- 152 -
VOLUME_SIDE_KEY
R685
CN602
KEY_ROW(2)
1
100
2
EVLC14S02050 VA601
R672
VA600
KEY_ROW(1)
100
VA618
NA EVLC14S02050 VA602
SIDE_KEY_COL(5)
100
EVLC14S02050 VA619
SIDE_KEY_COL(5)
LCD_IF_MODE
LCD_RESET_N
LCD_CS_N
INOUT_A4 INOUT_B4
4 6
INOUT_A3 INOUT_B3 LCD_ADS
3 7
INOUT_A2 INOUT_B2 EBI2_WE_N
2 8
INOUT_A1 INOUT_B1 EBI2_OE_N
1 9
FL600 ICVE21184E150R500FR
INOUT_A4 INOUT_B4 EBI2_DATA(8)
4 6
EBI2_DATA(9)
INOUT_A3 INOUT_B3
3 7
INOUT_A2 INOUT_B2 EBI2_DATA(10)
2 8
INOUT_A1 INOUT_B1 EBI2_DATA(11)
1 9
FL601 ICVE21184E150R500FR
EBI2_DATA(12)
INOUT_A4 INOUT_B4
4 6
INOUT_A3 INOUT_B3 EBI2_DATA(13)
3 7
INOUT_A2 INOUT_B2 EBI2_DATA(14)
2 8
INOUT_A1 INOUT_B1 EBI2_DATA(15)
1 9
FL602 ICVE21184E150R500FR
0 R605
RCV+
0 R606
RCV-
MOTOR_PWR-
L610 56nH
WLED_1
WLED_2
WLED_3
WLED_4
KEY_ROW(2)
KEY_ROW(3)
+VPWR
CN601
1
2
3