Question about Philips DVDR75 DVD Recorder
My Philips DVDR75 recorder hasn't been used all that often in the past 3 years, but I have been using it more now to replace VHS when recording from TV. It has been happening a lot lately that when I turn on the machine, the disc in it has data on it but the machine says the disc is empty and doesn't show up the free titles still available so I turn it on and off over and over until finally it recognises it which may take up to 1/2 an hour! And other times it says the disc contains unknown data so press ok to open tray etc. Today it happened again, and this time it ticked me off the most as it said empty disc but I knew it had important data on it and no matter what I would do it just wouldn't read it so I hit record for a few seconds and now all that's on the disc is the few seconds. Where did my data go?? I would understand if I lost those few seconds but I lost over an hour of individual chapters. Please tell me I can fix this. PLEASE.
Typical retail CDs that you purchase from a store have had their data or music pressed (or stamped) onto the disc via an intricate injection molding process. Tiny raised and lowered areas indicate how data is stored and how it should be read. After this imprinting process, a thin layer of metal (such as aluminum, gold, or silver) is applied to create a reflective, readable surface, followed by a clear plastic layer that serves as armor against scratches.
Posted on May 04, 2008
Hi, as far as you data is concerned you can verify that in a computer try reading the disk in a computer drive, and that should tell you if you have the data still there in the disk or has been over written, in case its over written then there is no possiblility you can recover it or else you can see your self.
And as far as your dvd recorder is concerned as its not reading disks its an intermittent problem its always better to replace the weak lens or you get a new recorder.
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Posted on May 04, 2008
The first thing i would suggest you to do is a hard reset by unpluging the the player for 30min and then try again.
If this does not solve your problem then please see if the player tries to read the disc.
Load a disc and listen.Does the player make squealing noises or is it totally quiet? Squealing noises may indicate that the player is trying to synchronize with the disc but can't due to an obstruction on the lens or in the laser path inside the pickup or a defect in the pickup. This can also be caused by an intermittent signal problem due to a faulty ribbon cable.
Totally silent means that the photo sensor is not getting any usable input from the laser at all, meaning that the pickup is "blind" for lack of a better word.
This can be caused by an obstruction of the beam by foreign matter on the lens or inside the pickup all the way to a marginal or failed laser diode and/or photosensor array. This can also be caused by a bad ribbon cable with one or more severed traces.
You could try to clean the optics. This is the most common malfunction as far as i know in all disc players. It would involve taking the cover off and finding a way to expose the lense, and then cleaning it with a very gentle brush. some players have a cover for the lense that swings to the side during playing, this greatly reduces the chance of dust accumulating, but its still worth the try.
If you actually see dust on the lense, then its just that simple. clean, close, play.
It may also be worth your while to check on the small shafting that guides the carriage of the laser pickup. Dirt, grome, dust and solidified lubricant can cause stoppage of the carriage and the laser eye then fails to read the next track.
If the problem does not get solved then you have to get it repaired.
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Posted on May 04, 2008
With this system, unfortunately the symptoms you describe sound like the laser assembly in the drive has started to fail.
The symptoms usually start with the recorder failing to recognize pre-recorded disks, then you get "DISK ERR" during recording, which becomes more frequent. Then it becomes almost impossible to record more than half an hour of a program.
The symptoms are confusing because some DVD+RWs fail more readily than others.
Please let me know if you need any additional help.
Thank you for using Fixya and Good Luck to you
Posted on Apr 23, 2008
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