LG 42LB5RT - Page 22

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15. In case of becomes unusual display from component1 mode(main/sub) 16. In case of becomes unusual display from component 2 mode(main/sub) 17. In case of becomes unusual display from RGB mode(main/sub)
Is normal video
input
of the JK102?
(Check L126, L127, L128)
Check the input source
Is normal video
input
of the JK103?
(Check L129, L130, L131)
Is normal R, G, B input
and H,V sync of the JK500?
(Check R509, R511, R512
R513, R515)
Check the input source Check the input source
Change IC(IC700) Change IC(IC700) Change IC(IC700)
YES
NO
YES
NO
YES
NO