3. TROUBLE SHOOTING
- 26 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. 4 Checking FEMID (GSM, W B1/B2/B5/B8) Block
LGE Internal Use Only
yXXW_
Xr
Xr
yXXW^
VBAT
Xr
yXXW[
yXXW\
Xr
Y[r
yXXW]
GND2
GND5
TRX1
TRX2
TRX3
VRAMP
PGND3
PGND2
PGND1
TRX4
PGND6
PGND5
PGND4
PGND7 PGND8 PGND9
PGND10
PGND11
PGND12
GND3
GND4
GND6
GND7
GND8
TX_HB_I
N
TXEN
TX_LB_I
N
BS2 BS1 VBAT
T
VC
C
GND9
MODE
40
39
38
37
36
35
22
18
21
20
19
|XXWW
zr^^\_`
16
15
14
13
12
11
10
17
9
[^
jXXYY
jXXYZ
XWW
YY
jXXX]
jXXX\
YY
jXXYX
YY
YY
jXXYW
jXXY[
XW
yXXWZ
XWr
jXXX^
YYW
GSM_PA_RAMP
nztwhlu
hu{Wz~zlsW
hu{Wz~zlsX
hu{Wz~zlsY
{tvk|sl{yZ
{tvk|sl{y[
{tvk|sl{yY
{tvk|sl{yX
2mm
h}kkY_khj
UGZi
UGZi
wGdGXU]}
GY}
TP1 TP2
TP3
TP4