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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
System
HW
Block
Diagram
; PM7540
and
Power
Block
VR
EG
_M
SM
P
(2
.6
V/3
00
m
A
)
VR
EG
_M
SM
C2
_A
D
SP
2(
1.
23
V/
50
0m
A
)
VR
EG
_M
SM
A
(
2.
6V
/3
00
m
A
)
VR
EG
_M
SM
E(
1.
8V
/5
00
m
A
)
RT
R6
28
5
RT
R6
28
5
VR
F_
SM
PS
(2
.1
V/
30
0m
A
)
W
i-
Fi
&
BT
&
FM
W
i-
Fi
&
BT
&
FM
U
SI
M
U
SI
M
BA
TT
ER
Y
BA
TT
ER
Y
To
uc
h
To
uc
h
VR
EG
_R
U
IM
_2
.8
5V
(1
50
m
A
)
TC
XO
G
PS
D
F
LIP
-F
LO
P
TC
XO
G
PS
D
FLIP
-FLOP
VR
EG
_T
CX
O
(2
.8
5V
/5
0m
A
)
LC
D
LC
D
PA
M
(W
CD
M
A
)
PA
M
(W
CD
M
A
)
FEM
FEM
+VPWR
Q
SD
86
50
Q
SD
86
50
LC
D
B
ac
kl
ig
ht
Ch
ar
ge
P
um
p
LC
D
B
ac
kl
ig
ht
Ch
ar
ge
P
um
p
LC
D
B
ac
kl
ig
ht
LC
D
B
ac
kl
ig
ht
VC
O
IN
-
+
N
A
N
D
F
LA
SH
N
A
N
D
F
LA
SH
D
D
R
SD
RA
M
D
D
R
SD
RA
M
M
em
or
y
PA
M
(G
SM
)
PA
M
(G
SM
)
VR
EG
_R
FR
X_
1(
2.
7V
/1
50
m
A
)
Pro
xi
m
ity
se
ns
or
Pro
xi
m
ity
se
ns
or
IS
N
S_
P
IS
N
S_
N
VB
A
T
+VPWR
N
U
S5
53
0M
N
N
U
S5
53
0M
N
VCHG_VBUS
BT
_W
LA
N
T
CX
O
&
USB
PHY
PO
WR
LDO
BT
_W
LA
N
T
CX
O
&
USB
PHY
PO
WR
LDO
5Pin
Cradle
C
on
ne
cto
r
5Pin
Cradle
C
on
ne
cto
r
TA
O
V
P
M
A
X1
45
28
TA
O
V
P
M
A
X1
45
28
VR
EG
_E
FU
SE
_P
RO
G
(
50
m
A
)
VR
EG
_S
YN
TH
(2
.7
5V
/5
0m
A
)
VR
EG
_L
CD
_1
.8
V
(1
50
m
A
)
CA
M
ER
A
CA
M
ER
A
VR
EG
_C
A
M
_V
D
D
_A
F_
2.
8V
(
30
0m
A
)
VR
EG
_C
A
M
_A
VD
D
_2
.8
V
(1
50
m
A
)
VR
EG
_C
A
M
_D
VD
D
_1
.8
V
(1
50
m
A
)
CA
M
ER
A
FL
A
SH
CA
M
ER
A
FL
A
SH
+VPWR
eMMC
eMMC
VR
EG
_M
SM
P6
_2
.8
V(
15
0m
A
)
G
PS
G
PS
M
ot
io
n
se
ns
or
M
ot
io
n
se
ns
or
A
ud
io
Su
bs
ys
te
m
A
ud
io
Su
bs
ys
te
m
D
C
M
ot
or
D
C
M
ot
or
VI
B_
D
RV
_N
FP
G
A
L
D
O
1
.2
V
FP
G
A
L
D
O
1
.2
V
VR
EG
_T
O
U
CH
_2
.8
V
M
U
IC
TS
5U
SB
A3
34
02
YZ
PR
M
U
IC
TS
5U
SB
A3
34
02
YZ
PR
TI
BU
CK
TI
BU
CK
M
SM
C1
_M
O
D
EM
_1
.2
3V
M
SM
C2
_A
PC
_1
.2
3V
PM
75
40
VR
EG
_L
CD
_3
.0
V
(1
50
m
A
)
VR
EG
_T
O
U
CH
_3
.0
V
VR
EG
_P
RO
XI
_2
.6
V
L
ig
ht
se
ns
or
L
ig
ht
se
ns
or
VR
EG
_A
LS
_1
.8
V
FP
G
A
FP
G
A
FP
G
A_
CO
RE
_1
.2
V
VREG
_M
SM
P
VREG
_M
SM
E
VREG
_M
SM
P6
3.7 Hardware Architecture
< Power Block >
Содержание E900
Страница 1: ...Service Manual Model LG E900 Internal Use Only Service Manual LG E900 Date September 2010 Issue 1 0 ...
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