Challenger LT-2041BPE LCD Schematic
20.1” LCD TV Service Manual
T F T L C D T V & M O N I T O R
T F T L C D T V & M O N I T O R
20.1” LCD TV Service Manual
LT-2041BPE
M O D EL NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 1 /22
D O C U M E N T
N O
REVIS I O N N O
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
20.1” LCD TV Service Manual
M O D E L NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 2/22
D O C U M E N T
N O
REVIS I O N N O
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
:[A ]
N o Pow er
Check 5V,ST _ 5V,
1 2V, of Pow er
Check output of
I C 1 05, I C 1 03
Check P1 1 0
Check LE D
N o Pow er
Pas
Check O utput of
Change
Fai l
Pas
Change I C1 05,
Fai l
Fai l
Change LED
Fai l
20.1” LCD TV Service Manual
◈ T R O U B L E S H O O T I N G
M O D E L NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 3/22
D O C U M E N T
N O
< 1 >
REVIS I O N N O
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
No Raster on Co mponent
Change the defect
part Check
Check input source cable and jack = > L V D S
LVDS
cable
Change the defect
Re-soldering or Change
the defect part Check
I C 1 0 1 , I C 1 02,I C20 1 ,P 1 0
20.1” LCD TV Service Manual
Repeat [A]Process
Pass
Check the
R0 13,R 0 15, R0 18
Pass
Check the input/
output of I C 00 1
Pass
Check the signal of
P30 1 or LVDS cable
Pass
Pass
Fail
Fail
Fail
Re-soldering or
:[ C ] Pr oces s
Re-soldering or
Change P30 1 ,
Check T M D S Assy
Fail
Pass
M O D E L NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 4/22
D O C U M E N T
N O
REVIS I O N N O
< 2>
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
R e- solderi ng or
change defect
part check
R 0 1 0 ,R0 03,R 00
Check input source cable and jack = > T M D S
20.1” LCD TV Service Manual
N o Raster on HDM I
signal
Repeat
[A]Process
Pas
s
C hange
AR501 ,AR 502,I C50 1
C heck the signal
of
AR501 ,AR 502,I C
501
Fai l
Fai l
N o Raster on PC
signal
Repeat
[A]Process
Pas
s
C heck the si gnal
O r R 01 0,R 008,R 00 5,
R 0 03,R 00 4
Pas
s
:[ C ] P roces s
M O D E L NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 5/22
D O C U M E N T
N O
REVIS I O N N O
< 3>
Pas
s
:[ C ] P roces s
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
20.1” LCD TV Service Manual
No Raster on AV1
(CVBS) signal
Repeat [A]Process
Pass
Change R524,C292
Check the signal of
R524,C292
Pass Pass
No Raster on AV2
(CVBS) signal
Repeat [A]Process
Pass
Check the signal of
R551 ,C29 1
Change R55 1, C29 1
:[ B ] P r ocess
Check the input/
output of I C 1 0 0
Pass
Fail
Re-soldering or
Change the defect
part Check
I C 1 0 0 ,X 1 0 1, I C 1 06
:[ C ] P roces s
M O D E L NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 6/22
D O C U M E N T
N O
REVIS I O N N O
< 4>
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
20.1” LCD TV Service Manual
M O D E L NA M E
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 7/22
D O C U M E N T
N O
REVIS I O N N O
REVIS I O N
DATE
PA GE
20.1” LCD TV Service Manual
20.1” LCD TV Service Manual
No Raster on TV(RF)
signal
Pass
Repeat [A]Process
Pass
Pass
Check the output of
TU 561 ,Z1 01
No Raster on S_VI DE O
signal
Repeat [A]Process
Check 5V,33V
of T U56 1,
Re-soldering
of
Change the
defect part
Fail
Change R253,R252
Fail
Check the output of
Pass
Pass
R253,R252
Pass
M O D E L NA M E
:[ B] P rocess
:[ C ] P rocess
D O C U M E N T
N O
Pass
< 5>
REVIS I O N N O
Pass
REVIS I O N
DATE
PA GE
LT- 204 1 B P E RD(1) 00 06/ 1 1 / 13 8/22
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