LG -E450 Service Manual page 208

ANTENNA
SW900
G1
G2 ANT
Main MIC
VMIC
MIC_N
FB900
MIC_P
C910
0.1u
Speaker
SPK_OUT_P
SPK_OUT_N
RGB_LED
LED_B
LED_R
LED_G
LGE Internal Use Only
L904 100p
C903 C902
C915 C916
DNI
100n DNI 100p
.
MIC901
G4
6
G3
5
VDD
4
G2
3
G1
1800 2
OUT
1
EAB62670801
R902
C911 C912
0
33p 33p
.
CN900
R908 1
0
R909 2
0
FPCB_KEY Connector
LD907
4
R910
100
R911 3
2
100
R912 1
100
LD908
4
R913
100
3
R914 2
100
R915 1
100
BACKUP BATT
10uAH / 0.03F
+2V8_VRTC_MTK
BAT900
R907
5.6k
C913
1u
HOME KEY
KB901
R916 22
KCOL1
1 2-1 2-2
KROW1 R917 22
VA905 VA906
VBUS_CHG_IN
CN904
1 30
2 29
3 28
4 27
5 26
6 25
7 24
8 23
VBATT
9 22
10 21
USB_ID
11 20
12 19
MAIN_WHITE
13 18
+2V8_VRTC_MTK
14 17
KCOL1
HOMEKEY
15 16
KROW1
ENBY0040601
GB042-30P-H10-E3000
- 208 -
VIBRATOR
R900
VB900
20
L903 18n
R901
1
+3V0_VIBR_MTK
20
2
C901
1u
GND
MICRO USB I/O
FL900
VBUS_CHG_IN OUT IN
GND2 GND1
Field Issue (NPI guide)
D902 D901
12V
CN903
SPK_OUT_N 8 10
SPK_OUT_P
1
2 6
P4 P1
4 1
3
P3 P2
3 2
4 7
USB_ID
+3V0_VIBR_MTK 5
FL901
LED_R 9 11
LED_G
LED_B
EAG63293501
VMIC
MIC_N
MIC_P
Copyright © 2013 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
OJ100
DM
DP
Only for training and service purposes