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7. CIRCUIT DIAGRAM
1
1
2
2
3
3
A
A
VREG_MSMP_2.7V
R100
51K
SND
HOT100
KEY_ROW[3]
KEY_COL[0]
KEY_COL[1]
KEY_COL[2]
KEY_COL[3]
B
B
KEY_ROW[4]
KEY_ROW[3]
KEY_COL[0]
KEY_COL[1]
KEY_COL[2]
KEY_COL[3]
C
C
+VPWR
D
D
KYPD_LED_EN
VA101
E
E
EVL14K02200
KEY PCB BACKLIGHT LEDs
VREG_BT_2.85V
VREG_BT_2.85V
F
F
C113
C114
C115
1u
33p
0.01u
ACS2450ICAU92
G
G
R119
0
GND2
FEED
GND1
ANT100
H
H
1
1
2
2
3
3
4
4
5
5
6
6
HOT101
CLR_BACK
END
PM_ON_SW_N
VA100
EVLC18S02015
ON_SW
VREG_MMC_3.0V
MMC_CLK
MMC_CD
MMC_CMD
MMC_DATA
KEY_COL[0]
KEY_COL[1]
KEY_COL[2]
KEY_COL[3]
KYPD_LED_EN
KEY_COL[4]
MICBIAS
MIC1N
MIC1P
C116
C117
C118
0.01u
1u
33p
BLUETOOTH
M100
LG INNOTEK
LBDA254FJ0
16
6
ANT
SBST
BT_SBST
10
SBCK
BT_SBCK
11
SBDT
BT_SBDT
13
5
NC
SYNC_DET_TX_EN
R120
BT_TX_RX_N
8
0
RX_BB_TX_BB
BT_DATA
2
4
C112
1000p
LDO1
XTAL_IN
TCXO_BT
3
9
C111
1000p
LDO2
CLK_REF
BT_CLK
R121
R122
C120
C119
1u
47K
47K
2.2u
4
4
5
5
6
7
7
8
8
BAT100
V_BACK_UP
VA108
EVLC14S02050
BACK_UP BATTERY
+VPWR
VREG_BT_2.85V
VREG_MSMP_2.7V
CN100
1
40
2
39
3
38
TCXO_BT
4
37
5
36
BT_CLK
6
35
BT_SBST
7
34
BT_SBCK
8
33
BT_SBDT
9
32
BT_TX_RX_N
10
31
BT_DATA
11
30
12
29
13
28
14
27
15
26
V_BACK_UP
16
25
17
24
PM_ON_SW_N
18
23
KEY_ROW[3]
19
22
KEY_ROW[4]
20
21
D100
1
MMC_CD
2
3
MMC_DATA
PLR0504F
6
7
7
8
8
- 172 -
9
9
1
10
0
11
11
MICBIAS
C102
C103
10u
47p
SP0204LE5-PB
G3
5
MIC1N
PWR
C104
22n
4
C106
G2
3
G1
NA
2
C105
22n
OUT
MIC1P
1
MIC100
R116
NA
R117
C107
C108
MIC
0
33p
10p
R118
NA
C109
NA
VREG_MSMP_2.7V
R110
51K
SW100
R111
680
A
C
R112
680
LEFT
KEY_COL[0]
KEY_COL[1]
UP
R123
680
E
COM1
SELECT
KEY_COL[4]
R114
680
B
D
R113
680
DOWN
KEY_COL[3]
KEY_COL[2]
RIGHT
R115
680
KEY_ROW[4]
TACT SWITCH
VREG_MMC_3.0V
S100
GND
DAT2_RSV
CD_DAT3_CS
MMC_CD
6
CMD_DI
MMC_CMD
MMC_CMD
VDD
5
CLK_SCLK
MMC_CLK
VSS
4
DAT0_DO
MMC_CLK
MMC_DATA
DAT1_RSV
GND
R109
C100
C101
500873-0802
0.1u
1u
470K
Micro SD
Engineer:
Engineer:
LG ELECTRONICS INC.
JH Park
MOBILE HANDSET R&D CENTER
Drawn by:
Drawn by:
JH Park
DEVELOPMENT LAB 4
R&D CHK:
R&D CHK:
TITLE:
TITLE:
DOC CTRL CHK:
DOC CTRL CHK:
KU950 KEY 1.1
MFG ENGR CHK:
MFG ENGR CHK:
Changed by:
Changed by:
Date Changed:
Date Changed:
Time Changed:
Time Changed:
QA CHK:
QA CHK:
REV:
REV:
Drawing Number:
Drawing Number:
JH Park
2006, Aug 10
2:37:00 pm
9
9
10
10
11
11
12
12
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
DEVELOPMENT GROUP 1
Size:
Size:
A2
A2
PAGE1
12
12
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