LG 60PZ550 Service Manual page 46

Digital TV Video Trouble Shooting
Check RF Cable
Y
Check Tuner 5V,7V Power
IC404(7V),IC406(5V)
Y
Check IF_P,IF_N
R1412, R1413
Y
Check 1500
#33(TXAC-) , #32(TXAC+) ,
#17(TXBC-) , #16(TXBC+)
Y
Check PDP Module
Control board
Refer to Module CAS
Great Company Great People
N
Replace IC404 or IC406
Maybe Tuner has problems
N
: Replace Tuner
Maybe BCM has problems
N
Replace IC501
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