LG G3 Stylus Dual LG-D690, Service Manual

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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
ANT
1
COMMON
2
G3
3
G4
4
z~XXWY lu~€WWW_^WX
ku
p
jXXXX
jXXW]
ku
p
Y• sXXWZ
jXXXW YY—
YY— jXXWW
sXXX] YUY•
sXXXY
Z`•
sXXW^ XU\•
ku
p
sXXWY
jXXZX
WU\—
sXXX^ XY•
XY• sXXXX
ku
p
sXXXZ
_Y•
sXXW`
sXXW_
ku
p
jXXW\ XWW—
yXXW`
[U^r
jXXX_ XWW—
ku
p
sXXYW sXXX`
ku
p
jXXX` XWW—
sXXYX
ku
p
ku
p
sXXYY
+1V8_MTK_VIO
FEED
ANT1100
wt{XWYZ
yXXW_ Xr
Xr yXXW^
VBAT
Xr yXXW[
yXXW\ Xr
Y[r
yXXW]
FEED
wt{XWYZ
ANT1101
GND2
GND5
GND11
TRX1
AN
T
TRX2
GND1
0
TRX3
VRAMP
PGND3
PGND2
PGND1
TRX4
TRX5 TRX6
PGND6
PGND5
PGND4
PGND7 PGND8 PGND9 PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
GND1
GND1
2
GND3
GND4
GND6
GND7
GND8
TX_HB_I
N
TXEN
TX_LB_I
N
BS2 BS1 VBATT VC
C
GND9
MODE
43
42
41
40
39
38
37 36 35
32
33
34
24 23
22
29
30
31
18
21
25
20
26
19
27
5
2
|XXWW
zr€^^\_`
16
15
14 13 12 11 10
17
9
8
7
6
4
3
28
1
44
GSM850/900_Bal2
9
GSM850/900_Bal1
8
GSM1800/1900_Bal2
7
GSM1800/1900_Bal1
6
GND4
10
GND3
5
GSM850/900_UnB
1
GND1
2
GND2
3
GSM1800/1900_UnB
4
msXXWW
[^—
jXXYY jXXYZ
XWW—
YY—
jXXX] jXXX\
YY—
jXXYX
YY— YY—
jXXYW
jXXY[
XWœ
yXXWW
XWr
jXXXZ
XWW— XWW—
jXXX[
yXXWY
ZUZt
^\Wr yXXWX
yXXWZ XWr
sXXWX
\U]•
jXXX^
YYW—
sXXWW XU\•
FEED
ANT1102
wt{XWYZ
sXXW[ XUY•
GSM_PA_RAMP
nzt†wh†lu
hu{W†z~†zls†W
hu{W†z~†zls†X
hu{W†z~†zls†Y
{†tvk|sl†{yZ
{†tvk|sl†{y[
{†tvk|sl†{yY
{†tvk|sl†{yX
Yn†y†oi†u
Yn†y†si†w
Yn†y†oi†w
Yn†y†si†u
Yn†{†oi
Yn†{†si
yhkph{pvu†w~y†hu{
GSM1800/1900 RX
GSM850/900 RX
tjTjWWWWYTX[GaGlzkGw™–›ŒŠ›–•Gj™Šœ›
GOGkntzGnœ‹ŒGP
X[WZXY†jˆ•ŽŒ‹G™–”Gokr
jˆ•ŽŒ‹G™–”Gokr
jjkzJGaGXT[TXTZGGyŒ†WUZ
hu{X
hu{XGOGiXSiYSi\Si_SnztGxœˆ‹P
cGhu{†~jkth†xœˆ‹Ge
2mm
h}kkY_†khj
› —UGZ‹i”
› —UGZ‹i”
w”ˆŸGdGXU]}
ˆ‰–œ›GY}
0
0
0
0
BS2 BS1 Mode TXEN
1
0 1
0 0
0
0
0
TRX6
Stanby
LB_TX
HB_TX
TRX1
TRX2
TRX3
TRX4
0
0
1
0
1
TRX5
GSM_PA_EN
0
ANT_SEL2 ANT_SEL1 ANT_SEL0
1
1
0
0
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
WCDMA Band5
WCDMA Band8
WCDMA Band2
WCDMA Band1
GSM1800/1900 TX
GSM850/900 TX
1
0
0
0
0
3G_LB_Tx_SW
3G_LB_Tx_SW
SPDT [RF1141A]
j{ys
W
X
ihuk wh{o
hu{TymX
hu{TymY
GND1
RF1
CTL VDD
RF2
GND2
EN
RF
C
GND3
2
1
3 5
7
6
4
8
9
msXXWX
ymXX[Xh
ymtk
+2V8_MTK_VTCXO
hu{†zwk{†j{s
jXXWX XWW—
ku
p
sXXW\
jXXY] XWW—
jXXY^
XWW—
kup sXXYZ
sXXY[ YY•
jXXY_
XWW—
jXXZW
X—
yŒGXUW
yŒGXUW
yŒGXUW
yŒGXUW
yŒGXUW
yŒGXUW
yŒGXUWGljv
W
jXXY`
6. CIRCUIT DIAGRAM