DOWNLOAD LG 15LS1R-MG (CHASSIS:CL-81) Service Manual ↓ Size: 2.98 MB | Pages: 28 in PDF or view online for FREE

Model
15LS1R-MG (CHASSIS:CL-81)
Pages
28
Size
2.98 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
15ls1r-mg-chassis-cl-81.pdf
Date
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LG 15LS1R-MG (CHASSIS:CL-81) Service Manual ▷ View online

- 17 -
No Raster
Check LED Status 
on display unit
Check the input/
Output of U301
Check 
U401~U405, U407, U409
Check inverter
Connector or inverter
Check input source cable and jack 
Repeat [A] PROCESS
Fail
Change U401~U405,
U407, U409
Fail
Change U301
Fail
Change inverter
connector or inverter
Fail
Change panel link
cable or module
Fail
Check panel link 
Cable or module
Pass
Pass
Pass
Pass
Pass
:[B]Process
- 18 -
No Raster on AV Signal
(Component, CVBS, S-VHS)
No Raster on TV(RF) signal
Change Q113, Q114, 
Q115, R194, R198, R184
Check the signal of 
Q113, Q114, Q115
R194, R198, R184
Repeat
[A] Process 
Check the output of 
TU701
Check the
input/output  of U301
Check the 
input/output of U101
Check input source cable and  jack 
Fail
Fail
Fail
Fail
Re-soldering or
Change the defect part
Check X301
Fail
Re-soldering or
Change the defect part
Check 5V, 33V of TU701
Re-soldering or 
Change the defect part
Pass
Pass
Pass
Pass
- 19 -
No Sound
Check the speaker wire
Change source input
Check the 
input source
Fail
Pass
Re-soldering or 
Change the defect part
Check X301
Check the input/output 
of U301
Fail
Pass
Re-soldering or 
Change the defect part
Check the input/output 
of U201
Fail
Pass
Change speaker
Check the speaker
Fail
Pass
- 20 -
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