Question about LG RH177 DVD Recorder/HDD Recorder

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A standard commercial movie on DVD first showed 'no disc' and then on second loading 'disc not recognised' after it had spun the disc up. This has happened to several discs. All discs work in any other player, including PC and Mac computers. The DVD Recorder/player is at fault. Is there a cure?

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  • LG Master
  • 17,130 Answers

Please try to put in an ordinary audio CD track and see if this is detected. If yes the optical is working, if not there is no laser scanning and the possibility of the head being faulty is high.
Now certain cleaner disks are not read and so will not be tracked. Hence the rejection but the best is for cleaning manually the laser head eye with a cotton bud very softly and without any pressing of the lens eye.
If there is still no result then watch the CD if it spins or tries to spin. If the head unit moves up or down to focus or in and out of the drive, if so the board seems to work correctly and the possibility of the optical head being the suspected fault is closer.
Finally try to see if the set records on a DVD with a given signal source. If not the fault is confirmed.
But if any of the above seems otherwise we must recheck with possibilities of the processor board

Posted on Sep 29, 2010

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