Read LG 47LG5010 / 47LG5020 / 47LG5030 (CHASSIS:LD84D) Service Manual online
C
2008
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Check J701.
Can you see the norm al
wave form?
Check the input of Compone nt
Audio s witch(IC1001) ,
Can you see the norm al wave form?
Check the output of Compo nent
Audio s witch(IC1001) ,
Can you see the norm al wave form?
YES
YES
YES
NO
J701
may have problem . Replace this Jack.
NO
After checking the Power of com po nent
Audio s witch, y ou sho uld decide to
replace co mpone nt Audio s witch or not.
NO
After checking the Power of com po nent
Audio s witch you sho uld decide to
replace co mpone nt Audio 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.
Component doesn’t display
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