Table of Contents
Advertisement
7. CIRCUIT DIAGRAM
1
1
2
2
3
3
A
A
KEY_ROW[0]
KEY_ROW[1]
B
B
KEY_ROW[2]
KEY_COL[0]
KEY_COL[1]
KEY_COL[2]
KEY_COL[3]
KEY_COL[4]
C
C
D
D
KEY BACKLIGHT LEDs
E
E
F
F
G
G
H
H
1
1
2
2
3
3
4
4
5
5
VREG_MSMP_2.7V
HOT900
900
901
902
st
(VT CALL)
1
4
7
*
HOT901
903
904
905
906
(JAVA)
2
5
8
0
HOT902
907
908
909
sh
(MENU)
3
6
9
#
KEY MATRIX
+VPWR
KYPD_LED_EN
VA908
EVL14K02200
CN901
1
40
2
39
3
38
TCXO_BT
4
37
MMC_CLK
5
36
BT_CLK
6
35
MMC_CD
BT_SBST
7
34
MMC_CMD
BT_SBCK
8
33
MMC_DATA
BT_SBDT
9
32
BT_TX_RX_N
10
31
KEY_COL[0]
BT_DATA
11
30
KEY_COL[1]
12
29
KEY_COL[2]
13
28
KEY_COL[3]
14
27
KYPD_LED_EN
15
26
KEY_COL[4]
V_BACK_UP
16
25
17
24
MICBIAS
PM_ON_SW_N
18
23
MIC1N
KEY_ROW[3]
19
22
MIC1P
KEY_ROW[4]
20
21
MAIN - KEY B to B Conn.
4
4
5
5
6
6
7
7
8
8
CN900
5
4
3
2
1
KEY_ROW[2]
KEY_ROW[1]
KEY_ROW[0]
KEY_COL[4]
KEY_COL[3]
KEY_COL[2]
KEY_COL[1]
KEY_COL[0]
VREG_MSMP_2.7V
SWIVEL_DETECT
SWIVEL_DETECT
6
6
7
7
8
8
- 171 -
9
9
10
10
11
11
R903
100ohm
SIDE_VOLUME_UP_KEY
KEY_ROW[0]
R904
100ohm
KEY_ROW[1]
SIDE_VOLUME_DOWN_KEY
R905
100ohm
KEY_ROW[2]
SIDE_CAMERA_HOT_KEY
R906
100ohm
KEY_COL[5]
SIDEKEY KEYPAD
R923
62
A3212EELLT-T
VDD
G1
R925
OUT
G2
47K
U901
C902
C903
0.1u
10p
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 Main 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, Sep 08
12:37:00 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
Page:9/9
12
12
Advertisement
Table of Contents
Troubleshooting
