DOWNLOAD LG 52LG50FD-SA (CHASSIS:LJ82B) Service Manual ↓ Size: 5.28 MB | Pages: 62 in PDF or view online for FREE

Model
52LG50FD-SA (CHASSIS:LJ82B)
Pages
62
Size
5.28 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
52lg50fd-sa-chassis-lj82b.pdf
Date
PREV: LG 52LG50DC-UA (CHASSIS:LA84Z) Service Manual

LG 52LG50FD-SA (CHASSIS:LJ82B) Service Manual ▷ View online

C
2008
- 29 -
Flash
(32MB)
DDR1(128MB)
(16Mx16x4)
DDR1(128MB)
(16Mx16x4)
TEA6420
Audio 
SW
MT
V416
(Micom)
NTP3000
(Digital AMP)
64Bit I/F
RGB-
P
C
HDM
I
1/2
/3
COMP 1
COMP 2
AV1
AV2
RGB-
P
C
I2S
MCLK
Digital out
COMP1
COMP2
AV1
AV2
B
C
M7412
(MPEG4 
D
eco
de
r)
Analog 
/Digital 
Tuner
TC
9051
2
DVI
I2S
SIF
SPDIF Out
CVB
S
CVBS/Y/C
Y/Cb/Cr
R/G/B 
DDR1
(64MB)
CS5340
L/
R
Se
ria
l TP
20b
its
12b
it YC
 4
:2:2
NIM TUNER
TMDS_
RX+-
EPM240F
MNT out (Audio Only
)
T
M
D
S
341
A
(3x1
,S
/W
)
CVBS/Y/C
MC33078
(A
M
P
)
L/
R
R
S
232
RX/TX
DVI
4:
2:2 20bit YC
Full H
D
(1080
P)
WXGA(
7
6
8
P
)
RF
Sw
it
c
h
DM1/DP
1
Se
ria
l
TP
74HC
04
SPDIF Out
(Co
axi
al)
Video 
Fro
nt
 
End
Du
al
HDMI
Rx
HD/SD
Video
Encoder
Aud
io
DSP
USB2.0
PKT
HSX
PCI/
EBI
HD-DVI
IB
0
Pa
rs
e2
RSBUF
XCBUF
RMX0
BCM3553
Local KEY
24
C16
74LV
C
14AP
W
X-tal(54M)
R
eset
K
IA7029
NVRAM
I2C
Component V
ideo
C
2008
- 30 -
Check signal format
Is it supported?
Check signal
L700, L701. L702 / L704, L705, L706
Replace it.
Check signal
C638, C639, C640 / C628, C629, 
C630
Y
Y
N
Check J700 / J702
Replace connector
Y
N
Y
Replace it
N
Maybe BCM3553(IC100) has 
problems
Y
Check Component Cable
Component Video
C
2008
- 31 -
Flash
(32MB)
DDR1(128MB)
(16Mx16x4)
DDR1(128MB)
(16Mx16x4)
TEA6420
Audio 
SW
MT
V416
(Micom)
NTP3000
(Digital AMP)
64Bit I/F
RGB-
P
C
HDM
I
1/2
/3
COMP 1
COMP 2
AV1
AV2
RGB-
P
C
I2S
MCLK
Digital out
COMP1
COMP2
AV1
AV2
B
C
M7412
(MPEG4 
D
eco
de
r)
Analog 
/Digital 
Tuner
TC
9051
2
DVI
I2S
SIF
SPDIF Out
CVB
S
CVBS/Y/C
Y/Cb/Cr
R/G/B 
DDR1
(64MB)
CS5340
L/
R
Se
ria
l TP
20b
its
12b
it YC
 4
:2:2
NIM TUNER
TMDS_
RX+-
EPM240F
MNT out (Audio Only
)
T
M
D
S
341
A
(3x1
,S
/W
)
CVBS/Y/C
MC33078
(A
M
P
)
L/
R
R
S
232
RX/TX
DVI
4:
2:2 20bit YC
Full H
D
(1080
P)
WXGA(
7
6
8
P
)
RF
Sw
it
c
h
DM1/DP
1
Se
ria
l
TP
74HC
04
SPDIF Out
(Co
axi
al)
Video 
Fro
nt
 
End
Du
al
HDMI
Rx
HD/SD
Video
Encoder
Aud
io
DSP
USB2.0
PKT
HSX
PCI/
EBI
HD-DVI
IB
0
Pa
rs
e2
RSBUF
XCBUF
RMX0
BCM3553
Local KEY
24
C16
74LV
C
14AP
W
X-tal(54M)
R
eset
K
IA7029
NVRAM
I2C
RGB V
ideo
C
2008
- 32 -
Check signal format
Is it supported?
Check signal, Hsync, Vsync
C745, C746, C747, R839, R843
Replace it.
Check signal
R727, R714, R729
Y
Y
N
Check P701
Replace connector
Y
N
Y
Replace it
N
Maybe BCM3553(IC100) has 
problems
Check L708 Voltage Level 9V
Y
Replace L708 / Q701 / Q702 / Q703
N
Check Signal
C635, C636, C637
Y
Replace it
N
Check RGB Cable
Y
RGB Video
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