Read LG 42LC4D (CHASSIS:LA73E) Service Manual online
- 37 -
- Explanation
Mpeg Feeder And Video Feeder (MFD and VFD)
-Mpeg Feeder is a data path
of VSB or QAM decoded si
gn
al. These signals go to
the Mi
nitita
n
of BCM3
55
0.
-In the mini
titan
bl
ock do pr
ocessi
ng the MPEG and video.
VDEC ( Video Displ
ay Decoder)
-This block has several
detai
led bl
ock. It can handle the
input composite signal
for example, Y/C separation,
color decodi
ng, auto gai
n control, etc.
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 Detai
l Block
BVB
Int
erf
ace
BVB
Int
erf
ace
Digital Input
-Digital input
can handle digit
al video signal.
I
n our
syst
em
t
hrough this pat
h,
com
ponent
,R
G
B
PC,
HD
MI
/D
VI
signals
are deco
ded. So this path is very impo
rta
nt block i
n o
ur system.
Explanation
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