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7. AV Video Trouble Shooting
Check Signal Format
Is it supported signal?
Y
Check AV Cable
Y
Y
Check AV Jack JK209 at Jack
Board
Y
Check AV Signal
R203, R204, R214, R215 at Jack
Board
Y
Check cable between P203 at Jack
Board and P701 at Main Board
Y
Check AV Signal
C124, C125 at Main Board
Y
Maybe BCM3556(IC100)
has problems
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
N
Replace JK209 at Jack board
N
Replace one of R203, R204, R214,
R215 at Jack Board
& Recheck
N
Maybe Cable Pin has problems
N
Replace it
LGE Internal Use Only
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