LG 42LC50C (CHASSIS:LA64A) Service Manual ▷ View online
- 22 -
- 23 -
- 24 -
BLOCK DIAGRAM
1. Overall Block Diagram (D2A + BCM7411 + Cortez Adv.)
D
IG
IT_
D[0
-23]
H
,V_SY
N
C
_
D
IGIT
DE,C
LK
_D
IG
IT
D
2
A_VI
D
E
O_OU
T
TMDS_
0
T
M
D
S
_1
DDC_I
2C
_
0,
1
EEPR
OM
_1
EEPR
OM
_0
TUNER_CVB
S
AT
S
C
/N
T
S
C
Tun
er
R,
G,
B
VG
A_
H,
V S
Y
N
C
C
A
BLE_
D
E
T
COMP
ON
ENT
(Y
,Pb,Pr
)
COMP
ON
ENT (Y
,P
b
,Pr)
REAR CVB
S
SIDE
_CV
BS
S_
VI
D
EO
Y
,C
(r
e
a
r/
s
id
e
)
S_
VI
D
EO
D
E
T
TUNER_C
VB
S
I2
S
C
o
m
p_1/2
L/
R
MSP L
/R
A
n
a
log
L/R
C
V
BS
,S
-V
ID
EO L/
R
VG
A
L/
R
MNT_
OUT_
L/R
SPDIF_
O
UT
IR
I2
C
_
D2A
(AT)
I2
C
_
Co
rte
z
(NT)
I2
C
_
Co
rte
z
SIDE L/R
D2
A
UA
R
T
_
D
2A
_
0
RS232
232
C_
Tx / R
x
MSP4450K
T
P
A
3100D2
I2
C
_
Co
rte
z
MNT_V
_
OUT
INV
_
BR
DI
GIT
A
L
_IN
[2
4B
it]
DE,CLK
_
IN
DI
GIT
A
L
_
H,
V
_
S
Y
NC
ANA
L
OG_IN
A
N
ALO
G_
H,
V_SY
N
C
ANA
L
OG_IN
C
A
BLE_
D
E
T
ANA
L
OG_IN
ANA
L
OG_IN
ANA
L
OG_IN
ANA
L
OG_IN
ANA
L
OG IN
INV
_
BRI
D
ISPL
A
Y
_E
N
AI
_
O
N
_
O
FF/
OD
S
E
L_1
LV
D
S
_
D
AT
A
LV
D
S
_
D
AT
A
D
ISPL
A
Y
_E
N
INV
_CT
L
IR
UART
1
UART
1
LVDS
Conne
cto
r
For LCD
POWER
HDMI
SiI9023
NVRAM
EEPR
OM
16 KB
DDRRAM
(256
Mb
)
$4
Flash
2MB
$1
2
3
2
C Driver
S
T
32
32
CDR
NV
RAM
EEPR
OM
32KB
A
T
49BV160C
F-RO
M (2
MB
)
$ 0.46
DDRR
AM
(32M
B)
$2.7
I2
C
M
U
X
S
IF
_
T
U
N
E
R
I2
S
I2
S
N
J
U26901
A
N
T
./C
ab
le
I2
C
_
D2A
VSB
Pro:Idiom
B
C
M7411
DDRR
A
M
(128
M
B
)
I2
S
CPLD
12_t
o_2
4
EBI
8_t
o
_16
8
16
DI
GIT
A
L
_IN
[2
4B
it]
DE,CLK
_
IN
DI
GIT
A
L
_
H,
V
_
S
Y
NC
UA
R
T
_
D
2A
_
1
SERIA
L_TS
I2
S
D
IG
IT_
D[0
-23]
H
,V_SY
N
C
_
D
IGIT
DE,C
LK
_D
IG
IT
Cortez-A.
FLI8662
UART
MUX
UART
0
UART
0
MSP SPDIF
Pa
ral
le
l T
o
Ser
ial
SPDIF
MUX
7411 SPD
IF
D2
A
S
P
D
IF
D2
A
S
P
D
IF
I2S
MUX
Impl
em
ente
d
in CPLD
I2
C
_
Co
rte
z
_5V
- 25 -
300
200
810
811
812
820
813
814
815
816
817
800
120
500
510
520
400
910
900
540
600
610
550
530
821
200T
200N
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Click on the first or last page to see other 42LC50C (CHASSIS:LA64A) service manuals if exist.