Read LG 47LG5010 / 47LG5020 / 47LG5030 (CHASSIS:LD84D) Service Manual online
C
2008
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Check J600,J600 ,JK60 7,JK618
Can you see the norm al
wave form?
Check the input of Vid eo
switch( IC700).
Can you see the norm al wave form?
YES
NO
J600,J601 or SIDE AV ma y have
problem. Replace this Jack or SIDE
AV.
NO
After checking the Power of AV swi tch
you sho uld decide to replace AV s witch
or not.
Check the output of Main IC(IC100).
Especial ly you sho uld check
The H,V s ync and cloc k.
Can you see the norm al wave form?
YES
NO
After checking the Power of Main
IC(IC100) you sho uld decide to replace
Main IC or not.
This board has big problem
because
Main IC(IC100) have some trouble s.
After checking thorou ghly all path once
again, You sho uld deci de to repla ce
Main Board or not.
YES
AV1/2/3 doesn’t display
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