Read LG 37LH55 (CHASSIS:LA92B) Service Manual online
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• VIDEO PATH
VIDEO TROUBLESHOOTING
SIDE
SIDE
J
A
CK
P
A
CK
J
A
CK
P
A
CK
D-sub RGB
HDMI 1
Side A
V
CV
BS
, L
/R
RS-232C (Ctrl./SVC)
RGB/
H/V
Half-NIM Tuner
MAX3
232
Saturn5
Saturn5
(ATSC US)
(ATSC US)
LGE3159
MPEG2
L
inux
Scal
er
IF
+/-
SIF
TU_CVBS
R
e
set / IF
_AGC
SDA
/SCL_
5V
HDMI4
HDMI 2
RX
/T
X
R
X
/TX
RE
A
R
RE
A
R
J
A
CK
P
A
CK
J
A
CK
P
A
CK
T
R
B
u
ffer
VS
B
D
e
m
od.
T
S
In[0
7]
TS_
cl
k, SOP, Va
l
EEPR
OM
AV
Compone
nt 1
Y
Pb
Pr, L/R
CV
BS
, Y/
C,
L
/R
Compone
nt 2
Y
Pb
Pr, L/R
SCL
, SDA
_3
.3
V
LCD Module
(FHD+120Hz)
(F
H
D
+
T
ru
m
o
tion240
H
z
)
FRC IC
(L
GE7329)
DDR2
Qimonda/Hy
nix
FRC Block
FRC Block
LV
D
S
HDMI 3
HDMI S/W
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