LG 42LC7D (CHASSIS:LA73E) Service Manual ▷ View online
- 29 -
- Main feature of BCM3550
- 30 -
- Whole chip internal block
- 31 -
- Brief diagram for our system
Vi
deo
Netw
or
k
Sw
ith
Front
Lbox
Detect
Lbox
Detect
Vi
deo
Netw ork
Sw
ith
Back
NULL
NULL
2D HD Scaler
2D HD Scaler
2D HD Scaler
2D HD Scaler
MAD
MAD
CRC
CRC
Capture 0
Capture 0
Capture 1
Capture 1
Capture 2
Capture 2
TNT/
PEP
TNT/
PEP
VBP
VBP
NULL
NULL
Feed Back
Feed Back
Compositor
MPEG Feeder
MPEG Feeder
Vi
deo Feeder
Vi
deo Feeder
Vi
deo Feeder
Vi
deo Feeder
Vi
deo Feeder
Vi
deo Feeder
ITU 656
ITU 656
HD-DVI
HD-DVI
VDEC 0
VDEC 0
Feed Back
Feed Back
DNR
DNR
2D SD Scaler
2D SD Scaler
VEC
UpScaler
UpScaler
Graphic
Graphic
VDEC 1
VDEC 1
HDMI-RX
HDMI-RX
Digital
Input
- 32 -
- ADC/IF Demodulator
Inband
AF
E
12B
it
A
/D
Inband
AF
E
12B
it
A
/D
A
G
C
Co
ntrol
ATSC VSB
Adv
an
c
e
d
R
eceiv
e
r
ATSC VSB
Adv
an
c
e
d
R
eceiv
e
r
ATSC
FEC
ATSC
FEC
Inband
Output
Int
e
rface
Inband
Output
Int
e
rface
OOB
Q
P
SK
R
eceiv
e
r
OOB
Q
P
SK
R
eceiv
e
r
OO
B
Output
Int
e
rface
OO
B
Output
Int
e
rface
D
VS-167 FEC
D
VS-178 FEC
D
VS-167 FEC
D
VS-178 FEC
O
O
B AF
E
6Bit A/D
O
O
B AF
E
6Bit A/D
A
G
C
Co
ntrol
QAM V
S
B
Adv
an
c
e
d
R
eceiv
e
r
QAM V
S
B
Adv
an
c
e
d
R
eceiv
e
r
IT
U
-T
J.83
A
nnex
A/B/C FE
C
IT
U
-T
J.83
A
nnex
A/B/C FE
C
NTSC IF
De
modul
ator
NTSC IF
De
modul
ator
Input Band
Input Band
Input Band
Input Band
Input Band
Input Band
Input
Band
Input
Band
MUX
MUX
Input Band
Input Band
B
C
M3560 DATA
Tr
an
sport Module
B
C
M3560 DA
TA
Tr
an
sport Module
Memory
Controll
er
Memory
Controll
er
Vid
eo Output
Vid
eo Output
Audio Output
Audio Output
H
S
X1 Ser
ial
H
S
X1 Ser
ial
MPE
G-2 Transport
D
e
mux
w
/DVB
,D
ES
MPE
G-2 Transport
D
e
mux
w
/DVB
,D
ES
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