Philips DVDR630VR Service Manual page 103

Recognition Fail Case 2:DVD Fail
Check pick-up read power
was 0.9~1.1mW?
YES
Is IC301
pin 46(LDEN-DVD)level
was about 0V?
YES
Is there
RF signal at CN102
pin 13,14.
YES
Is there RF signal
at IC106 pin 95.
YES
Check again after the
replace IC106.Is it OK?
YES
OK
Recognition Fail Case 3:
DVD±R/RW Fail
Is there AWOBBLE
(IC106 pin 81)signal?
Replace the IC106.
NO
Go to "LD CHECK".
NO
Replace the IC301.
NO
Replace the pick-up.
NO
Replace the IC106
NO
Replace the IC201.
NO
Is there WBLLPP
(IC201 pin 113)signal?
Replace the IC201.
Check the connection between
IC106 and IC201.
3-122
NO
YES