Read LG 32LC7D (CHASSIS:LA73E) Service Manual online
- 32 -
- Before Video network
Video
Net
w
o
rk
Sw
it
h
Front
AF
E
AF
E
Front
End
Front
End
Y/C
Se
pa
ra
ti
on
Y/C
Se
pa
ra
ti
on
Chrom
a
De
mo
Chrom
a
De
mo
B
ack
End
B
ack
End
VDEC Block
BVB
In
te
rf
ace
BVB
In
te
rf
ace
M
e
m
o
ry
In
te
rf
ace
(S
C
B
)
M
e
m
o
ry
In
te
rf
ace
(S
C
B
)
SCB
BUS
SCB
BUS
Crom
a
C
o
n
v
ersi
o
n
Crom
a
C
o
n
v
ersi
o
n
Horizon
Pa
n
Sca
n
Horizon
Pa
n
Sca
n
Fra
m
e
Buffer
Fra
m
e
Buffer
De-Int
er
De-Int
er
MPEG Feeder
BVB
In
te
rf
ace
BVB
In
te
rf
ace
SCB
DA
TA
Buffer
SCB
DA
TA
Buffer
P
ixel
Croppin
g
P
ixel
Croppin
g
Color
Ex
pa
nsi
o
n
Color
Ex
pa
nsi
o
n
Color
Ke
y
Color
Ke
y
A
lpha
Pr
e-
Multipl
A
lpha
Pr
e-
Multipl
G
ra
p
hic
Feed
er
B
lock
Horizon
S
c
al
er
Horizon
S
c
al
er
Gamma
Corre
ction
Color
Con
v
e
rto
r
BVB
In
te
rf
ace
CLUT
CLUT
???
???
RGB
Con
v
e
rt
er
RGB
Con
v
e
rt
e
r
Input
Ti
min
g
Ad
ju
s
t
Input
Ti
min
g
Ad
ju
s
t
D
V
I-
Secondary
BVB
In
te
rf
ace
BVB
In
te
rf
ace
???
???
RGB
Con
v
e
rt
er
RGB
Con
v
e
rt
e
r
Input
Ti
min
g
Ad
ju
s
t
Input
Ti
min
g
Ad
ju
s
t
DVI-P
rim
ary
BVB
In
te
rf
ace
BVB
In
te
rf
ace
HDMI
R
ece
iv
e
De
cod
e
HDMI
R
ece
iv
e
De
cod
e
HDCP
De
cr
y
p
t
HDCP
De
cr
y
p
t
HDMI Blo
c
k
HDMI
TMDS
Pins
HDMI
TMDS
Pins
Lbox
D
e
tect
Lbox
Det
e
c
t
TAB
2D -
S
cal
e
r
TAB
2
D
-
S
caler
2D -
S
cal
e
r
2
D
-
S
caler
MAD-IT
MAD-IT
NULL
NULL
Feed Back
Feed
Ba
ck
SCB
BUS
SCB
BUS
Crom
a
C
o
nv
ersi
o
n
Crom
a
C
o
n
v
ersi
o
n
Horizon
Pa
n
Sca
n
Horizon
Pa
n
Sca
n
Fra
m
e
Buffer
Fra
m
e
Buffer
De-Int
er
De-Int
er
Vide
o Feeder
BVB
In
te
rf
ace
BVB
In
te
rf
ace
ANALO
G
Pins
ANALO
G
Pins
HDMI
Pins
HDMI
Pins
DVI
Pins
DVI
Pins
Coef
T
a
bl
e
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