A few days ago, I loaded a CDRW disc with MP3's in my Yamaha DVD S540. It "saw" the disc as a VCD and did not read any data from it, despite a long and noisy search. It also would not switch off so I had to turn the power off at the wall. Since then, it gives a NO DISC error when I put MP3 discs or DVD's in. It will only recognise certain music CD's and will usually play a minute or so of track 1, before hunting through the remaining tracks and hanging for about 30 seconds on each one before reaching the end of the disc, going into STOP mode and then into standby. I've removed the cover and cleaned the lens as best I can (it has a protective cover). I was able to run a firmware upgrade program and that seemed to go OK. The laser assembly runs along its track OK and I've very lightly regreased that. The gears that drive the laser assembly engage fine and also the laser adjusts its focal length to "see" what kind of disc is there. The ribbon cable from the laser assembly has a slight kink in it, but that looks like it would have been there from new. I'm really lost now - this machine's a year out of warranty - does anyone have an idea what I can do?
You seemed to have done almost everything we would have recomended except to unplug unit for several hours and then retry. If that dosent work I think you may have a laser or servo problem and these types of repairs, im afraid can not be done without special tools and equipment.
Posted on Jul 05, 2006
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