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6. RGB Video Trouble Shooting
Check Signal Format
Is it supported signal?
Y
Check RGB Cable
Y
Check RGB Jack JK208 at Jack
Board
Y
Check RGB Signal
L207, L208, L209 at Jack Board
Y
Check cable between P203 at Jack
Board and P701 at Main Board
Y
Check RGB Signal
C127, C128, C129 at Main Board
Y
Maybe BCM3556(IC100)
has problems
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Only for training and service purposes
N
Replace JK208 at Jack board
N
Replace one of L207, L208, L209
at Jack Board & Recheck
N
Maybe Cable Pin has problems
N
Replace it
LGE Internal Use Only
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