DOWNLOAD LG 17LS5R (CHASSIS:LP68A) Service Manual ↓ Size: 1.56 MB | Pages: 23 in PDF or view online for FREE

Model
17LS5R (CHASSIS:LP68A)
Pages
23
Size
1.56 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
17ls5r-chassis-lp68a.pdf
Date
PREV: LG 15LS1R-MG (CHASSIS:CL-81) Service Manual

LG 17LS5R (CHASSIS:LP68A) Service Manual ▷ View online

- 13 -
TROUBLESHOOTING
No power 
(LED indicator off)
Check short of main B/D 
or Change Lips.
Change IC903.
Change LED Assy.
Check 15V or 5V 
of Lips.
Check Output of 
IC903.
Check LED Assy.
Check P901, P270,  Connector.
Fail
Fail
Change Q904.
Check Output of 
Q904.
Fail
Pass
Fail
Pass
Pass
Pass
:[A]Process
- 14 -
No Raster
Check LED Status 
on display unit.
Check the input/
Output of IC100.
Check 
IC900, IC901, IC906, IC908,
IC909, IC910.
Check inverter
connector or inverter.
Check inputting source cable
and jack. 
Repeat [A] PROCESS.
Fail
Change IC900, IC901, IC906,
IC908, IC909, IC910.
Fail
Change IC100.
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
- 15 -
No Raster on AV Signal
(Component, CVBS, S-VHS)
No Raster on TV(RF) signal
Change R104, R106, R108,
R131, L822, L800, L801.
Check the signal of 
R104, R106, R108, R131
L822, L800, L801.
Repeat
[A] Process .
Check the output
of TU500.
Check the
input/ output  of IC100.
Check inputting source cable
and  jack.
Fail
Fail
Fail
Fail
Re-solder or change the defect part.
Check X101.
Check 5V of TU500.
Re-solder or change the
defect part.
Pass
Pass
Pass
- 16 -
No Sound
Check the speaker wire
Change source input.
Check the 
input source.
Fail
Pass
Re-solder or Change the
defect part.
Check X301.
Check the input/output 
of IC100
Fail
Pass
Re-solder or change the
defect part.
Check the input/output 
of IC400
Fail
Pass
Change the speaker
Check the speaker
Fail
Pass
Page of 23
Display

Click on the first or last page to see other 17LS5R (CHASSIS:LP68A) service manuals if exist.

RANDOM: