Read LG 42LH55 (CHASSIS:LA92B) Service Manual online
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MAIN IC => POWER MANAGEMENT
+
5
V_
ST
A
P
1117E33G
+3.
3V
_
S
T
+3.
3V
_
A
VDD_M
PLL
MA
X810
R
ese
t
+5V
+5V
_G
ENER
A
L
AV
D
D
_
A
U
AV
D
D
M
P
2212
D
N
+1.
2
6
V
_
VDDC
M
P
2305
D
S
A
V
DD_MEMPLL
A
V
DD
_L
PLL
A
V
DD
_DM
AV
D
D
_
O
T
G
+3.
3V
_
VDDP
+3.
3V
S
C
4215
+1.
8V
_DDR
L
101
Saturn5/L
GE3159
Saturn5/L
GE3159
L
715
L
703
L
709
L
711
L
109
L
103
L
106
L
108
L
107
L
102
W7
AV
D
D
_
A
U
J7
~
N
7
A
V
D
D
_33_1
~
5
H1
7,
T
2
0,
V
2
0
A
V
DD_MEMPLL
R2
0
A
V
DD
_L
PLL
W8
A
V
DD
_DM
H8
AV
D
D
_
U
S
B
H9~W10
VDDP
_
1
~8
G12~W18
A
V
DD
_DDR
_
1~1
1
D1
6~Y
2
2
VDDC_1~2
7
H7
A
V
DD
_MPL
L
EN
EN
Main IC =>
POWER MANAGEMENT
D4
HWRESET
L
717
IC702
IC103
IC704
IC705
IC701
IC100
S
I4925
EN
Q706
PO
WE
R
_
O
N
/O
FF
,
PO
W
E
R
_
O
N
_
D
E
L
A
Y
L
720
+
5
V_
ST
EN
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