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4-10
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Recognition fail case 2 : DVD Disc
Go to “LD CHECK”.
YES
NO
Check pick-up
read power was
1.1~1.3mW.
Replace the Pickup.
YES
NO
Is there RF signal
at LIC101 pin78?
Replace the LIC101.
YES
NO
Is there
RF signal at LIC101
pin88(RFP) and
pin87(RFN)?
Replace the LIC201.
YES
NO
Check again
after the replace
LIC101 It is OK?
OK
Recognition fail case 3 :
Blank DVD+R/RW
Replace LIC201.
Replace LIC101.
Is there WBL
(LIC101 pin63)
Signal?
Is there WBL
(LIC201 pin63)
Signal?
YES
Check the connection
between LIC101 and LIC201.
YES
NO
NO