LG SL7Y, Руководство по обслуживанию

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3-4 Copyright © 2019 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
25 VA
PO
W
E
R
Ad
a
p
te
r
(25 V
)
AM
P
SoC
Swi
tchi
n
g
TR
12 V
5.1 VA
30
m
A
1.2 V
12 VA
LDO or
Swi
tch
DCDC
Co
n
tro
l V
C
C
CT
RL
S
ig
n
a
l
PW
R_
C
T
RL
25 V
(A
liv
e)
12 V
(A
liv
e)
5.1 V
(A
liv
e)
200
m
A
DCDC
[3
A
]
DCDC
[3
A
]
D
C
D
C
_12_15_CT
RL
DCDC
[3
A
]
3.3 VA
50
m
A
DCDC
1.5 V
DCDC DCDC
250
m
A
WI
F
I_
3
V
5
Wi
-F
i
Swi
tch
500
m
A
USB_5 V
USB
Swi
tch
50
m
A
VCC_5 V
LCD
Swi
tch
20
m
A
H
D
M
I_5V
HDMI
DCDC
[2
A
]
MI
COM
DDR3
Swi
tch
Swi
tch
WI
RELESS Woofer (5G)
W
IR
E
LESS R
e
a
r (
5
G)
W
L
_3V3
65
m
A
65
m
A
RB
O
X
_
3
V
3
Swi
tch
Swi
tch
LDO
D
_3.3 V
100
m
A
30
m
A
NOR-Fl
ash
PW
M_3.3 V
100
m
A
PW
M
A_3V3
10
m
A
TUNER
3.3 V
(A
liv
e)
WI
F
I_
C
T
R
L
DSP_
P_
CT
RL
PW
R_
C
T
RL
PW
R_
C
T
RL
HDM
I_CT
R
L
WL
_
W
F
_
C
T
R
L
W
L
_
R
BO
X_
CTRL
D33
_
CT
RL
D33_CT
RL
PW
R_
C
T
RL
OPT
ICA
L
10
m
A
1100
m
A
D
C
D
C
_12_15_CT
RL
T
U
NER A
D
C
RCU
10
m
A
BLUET
OOT
H
60
m
A
30
m
A
10
m
A
30
m
A
D
_3.3 V
2. POWER BLOCK DIAGRAM