LG RH1777 Service Manual page 74

Writing Part Check
Load tray with DVD ±R/RW disc.
Press the "REC" key.
Does writing finish
without any error?
YES
Is the written file
read normally?
YES
OK
NO
NO
Go to "LD CHECK".
YES
Is the re-written file
Check and replace LIC201, LIC121, LIC101.
4-12
Eject tray.
read normally?
YES