LG 55LB5500, Service Manual

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- 22 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
BLOCK DIAGRAM
172m
V
540m
V
M
1L
R
S-
232C
(P
hon
e jac
k)
D
EM
O
D
X
-tal
(24M
H
z)
Se
ri
al
F
las
h
8M
x 8b
it
D
D
R
2
64
M
bi
t
IF
A
V
/C
O
M
P
(H
yb
ri
d)
Y
(C
V
BS
)/C
b/
C
r
A
V
/C
O
M
P/
D
V
I
L/
R
L/
R
H
D
M
I
T
M
D
S/
D
D
C
V
id
eo
Fr
on
t
E
nd
A
ud
io
Fr
on
t
E
nd
H
D
M
I
R
X
LV
D
S
ou
t
H
D
/ F
H
D
H
D
/S
D
V
id
eo
E
nc
od
er
TA
S5733
(D
igi
tal
A
M
P)
I2
S
M
C
LK
A
ud
io
D
SP
H
/P
o
ut
L
/R
U
A
R
T
R
X
/T
X
Air /C abl e
O
n
bo
ar
d
U
SB
U
SB
2.
0
LV
D
S
C
on. HD FHD
IF
(A
TS
C
)
A
nal
og
D
emod
IF
(N
TS
C
)
EE
PR
O
M
64K
x 8b
it
H/
P
SP
D
IF