LG U300 Service Manual page 147

7. CIRCUIT DIAGRAM
FOLDER_SENSE
U600
R601
A3212EELLT-T
VREG_MSMP_2.7V VDD
G1
62
OUT G2
FOLDER_DETECT
C600 C601
0.1u 10p
VREG_MSMP_2.7V
RA600
KEY
R606
10K
HOT600 HOT601
10K
KEY_ROW(0)
1 2
1 2
KEY_ROW(1)
4 5
4 5
KEY_ROW(2)
7 8
7 8
KEY_ROW(3)
HOT603 0
KEY_COL(0) HOT4 0
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)
DAUGHTER B-TO-B
D600
ON_SW_N
RB521S-30
CN601
1 20
VREG_MMC_3.0V
MMC_CMD
2 19
MMC_DATA
MMC_CLK
3 18
MMC_CD
4 17
BT_CLK
5 16
6 15
VREG_MSMP_2.7V BT_SBST
7 14
TCXO_BT BT_SBCK
8 13
VREG_BT_2.85V V_BACK_UP
9 12
BT_SBDT
10 11
BT_DATA BT_TX_RX_N
VREG_LCD_2.8V
HOT602 CLR MENU
EBI2_DATA(0)
CLR MENU
EBI2_DATA(1)
EBI2_DATA(2)
3 LEFT UP
EBI2_DATA(3)
3 LEFT UP
6 OK RIGHT
6 OK RIGHT EBI2_DATA(4)
EBI2_DATA(5)
EBI2_DATA(6)
9 SND SEARCH
EBI2_DATA(7)
9 SND
SEARCH
HOT604 DN BACK
LCD_MAKER_ID
HOT5 DN BACK +VPWR
WLED_PWR
WLED_PWR
WLED_PWR
SPK-
SPK+
FLED1
FLED2
FLED3
VA606
EVLC14S02050
KEY_BACK_LIGHT
LD600
R608
+VPWR
0
LD602 LD603
LD601
R610 R611
22 22
LD604 LD605 LD606
R613 R614
22 22
LD607 LD609
R616 LD608 R617
22 22
2006.02.21 Snow White LED
- 148 -
ON_SW
END
R600
VOL UP KEY_ROW(2)
100
END
EVLC14S02050 VA600
R602
VOL DN
KEY_ROW(1)
100
EVLC14S02050 VA602
R605
CAM
KEY_ROW(0)
100
EVLC14S02050 VA603
SIDE_KEY_COL(5)
PM_ON_SW_N
EVLC14S02050 VA604
LCD_CONNECTOR
EVLC14S02050
VA618
PLW0501H-LF
INSTPAR
ZD600
C603
0.1u
FL601 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
CN602
51 52
1 50
2 49
3 48
FL603 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
8 43
4 6
INOUT_A4 INOUT_B4
9 42
10 41
11 40
12 39
R607
13 38
14 37
100K
15 36
16 35
17 34
18 33
19 32
20 31
21 30
22 29
23 28
24 27
25 26
53 54 VA605
EVLC14S02050
VA607
EVLC14S02050
AXT350164
R609
22
R612
22
R615
22
R618
22
07/MAR/2006 B.G.KIM
KYPD_BACKLIGHT
VA619
EVLC14S02050
SIDE_KEY
CN600
1
2
3
4
R604
KEY_COL(5) SIDE_KEY_COL(5)
100
LCD_IF_MODE
LCD_RESET_N
C602
0.1u
FL600 ICVE21184E150R500FR
1 9
INOUT_A1 INOUT_B1 MAIN_CS_N
2 8
LCD_ADS
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3 EBI2_WE_N
4 6
INOUT_A4 INOUT_B4 EBI2_OE_N
FL602 ICVE21184E150R500FR
1 9
INOUT_A1 INOUT_B1 EBI2_DATA(8)
2 8
INOUT_A2 INOUT_B2 EBI2_DATA(9)
3 7
EBI2_DATA(10)
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4 EBI2_DATA(11)
FL604 ICVE21184E150R500FR
1 9
INOUT_A1 INOUT_B1 EBI2_DATA(12)
2 8
INOUT_A2 INOUT_B2 EBI2_DATA(13)
3 7
INOUT_A3 INOUT_B3 EBI2_DATA(14)
4 6
EBI2_DATA(15)
INOUT_A4 INOUT_B4
SUB_CS_N
L600 56nH
MOTOR_PWR-
WLED_1
WLED_2
WLED_3
WLED_4
D602
+VPWR
RB521S-30
U300
6/7
KEY & LCD CONN
U300_REV_1.1