LG 47LC7DF (CHASSIS:LA73A) Service Manual ▷ View online
- 25 -
Ch
eck A
n
ten
na
C
able
Ch
eck
T
u
n
er
(T
U
600
),
5
V
, I
F
o
u
t
Ch
eck LG
D
T
3303
(I
C604
)
in
pu
ts
po
w
er pins
,
Os
c(2
5Mhz), I
F
pin
Ch
eck LG
D
T
3303
O
u
tp
u
ts
3._ Check X260
Input (
C
LK,
S
O
P, V
a
lid,
Error,
Data)
Ch
eck X260 I
N
PU
T
C
L
K
, SOP,
Va
li
d,
E
rror,
D
ata
- 26 -
EXT
1/
2
X260
TP A
Comp1
/2
RGB
CVBS
TP C
TP B / 656
AT
/N
T
/
TUNER
LGDT
3303
VSB1/Q
A
M
TP
MST
3367
HS,VS
DVI
HS,
VS
YCbCr
2
YCbCr
or RGB
FRC9445H
RGB
CVBS
YCbCr
1
DVO
Y/C1, Y/C2
Y/C1, Y/C2
AV
1/
2
AV
1/
2
HDMI
1/2
/3
TMDS
341
A
- 27 -
5 :
_
C
heck
t
h
e
M
S
T
3361
(I
C
402)
Ou
tp
u
t
Sig
n
als
(Vs
yn
c)
:
(DE) :
(Clk) :
(Hs
yn
c
)
59.94
H
z
Fre
q
ue
nc
y : D
if
fe
re
n
t
acc
o
rdin
g
t
o
format !
!
(Data)
:
4
: _Check
MS
T3361(IC402)
Po
w
er
pins,
Input Signals, Signa
l Shape
is
Same (
abo
ve
)
6
: _Check X260
(I
C101)
Inputs
_S
ig
nal
s
h
ape
is sa
me
(a
b
o
ve
)
Ch
eck Si
g
n
al
f
o
rm
at
(sup
port
ed for
m
at?)
Ch
eck S
T
M
A
V3
35
(I
C403
)
P
o
w
er
Pi
ns,
C
o
m
p
1(
#2,#5
,#11
),
Co
mp
2(
#3
,#6,#10
),
RG
B
(#9,#4
,#7
)
RG
B_
V,
H
(R
400,R
401
)
Ch
eck S
T
M
A
V3
35
(I
C403
)
o
u
tp
u
ts
#14
(M
U
X
_O
U
T
_Y
),
#13
(M
U
X
_O
U
T
_P
b
),
#8
(M
U
X
_O
U
T
_P
r)
Ch
eck M
S
T3361(
IC
402
)
OS
C,
Pow
er pin
s
,#
4
4( Y
_
in),
#41
(C
b_
in
),
#46
(C
r_
in
)
#37
(H
),
#38
(V
)
1
2
3
Ch
eck M
S
T3361(
IC
402
)
Ou
tp
u
ts
V-
o
u
t (#99
)
, H
-ou
t (
#98
) , C
lock
(#96
)
, Da
ta
(30B
it
) ,
DE
(#97
)
Ch
eck X260 (
IC101
)
In
pu
ts
MS
T
3361_
HS(
#
T
6) ,
MS
T
3361_V
S
(#T
5)
, C
lock (
#
P3)
,
Dat
a (
3
0Bit)
, D
E
(#U
6)
4
5
6
3 :
C
h
eck
S
T
M
A
V335
(I
C403
)
o
u
tp
u
ts
Si
g
n
al
s
h
ape
is sa
me
(a
b
o
ve
)
1.
C
h
eck Si
g
n
al f
o
rm
at
(
re
f.
o
w
en
r’s
ma
nua
l)
2.
Check
STM
A
V
335(
IC403)
Pow
er
Input Signal
- 28 -
EXT
1/
2
X260
TP A
Comp1
/2
RGB
HDMI
1/2
/3
CVBS
TP C
TP B / 656
AT
/N
T
/
TUNER
LGDT
3303
VSB1/Q
A
M
TP
MST
3367
HS,VS
DVI
HS,
VS
YCbCr
2
YCbCr
or RGB
FRC9445H
RGB
CVBS
YCbCr
1
DVO
Y/C1, Y/C2
Y/C1, Y/C2
AV
1/
2
AV
1/
2
TMDS
341
A
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