9. In the case of an unusual display in component 1 mode.
Is the video
input of the A/V jack
normal? (Check R235,
R236,R250)
Yes
Change the IC(IC500)
10. In the case of an unusual display in component 2 mode.
Is the video
input of the A/V jack
normal? (Check R243,
R244,R245)
Yes
Change the IC(IC500)
11. In the case of an unusual display in RGB mode.
Is the
R, G, B input
and H, V sync of the JK201 normal?
(Check R223, R224, R225,
R221, R222)
Yes
Change the IC(IC500)
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Only for training and service purposes
No
Check the input source.
No
Check the input source.
No
Check the input source.
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LGE Internal Use Only
Free Datasheet http://www.datasheet4u.com/