Question about Panasonic SC-HT730 System

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Does not play dvds suddenly, problem just started

The unit itself works but does not read any dvds in any slot

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the problem can be solve by opening the cover of the player. use a dry cotton bud to clean the lens and observe the red light beam on the lens when the player is power on. check for the ribbon cable, because if the ribbon cable is bad , the lens will not beam up a red light. if otherwise replace the lens to the same type.
hope this help

Posted on May 26, 2010

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Hello, I have a CyberHome 300 dvd player. The unit was brand new and playing dvds perfectly. I decided to go through some older VCDs (mostly 2.0) that I had and it played the first one fine for a...

U could have damage the laser eye data reader,because u tries old VCDs with a different version of device data informations disc.Tries device unplug,replug the device back like an hour later for the thing for resetting itself back to the factory setting.Device it might be work probally again,if still the same problems.It is a new unit wright?Take it back where u bought it for a replacement unit.

Mar 14, 2011 | Televison & Video

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Player connected dvd does not play looks like it is reading disk

First, try a different DVD. If this activity is present for all your DVDs then the laser either has a dirty lens or the laser LED itself is starting to fail.
If you know how to do it, you can try increasing the bias on the LED, but chances are that will only help for a while, and the laser will eventually burn out completely.
It's time to start looking for a replacement unit, unless cleaning the laser lens fixes the problem.

If the unit reads other DVDs then obviously the DVD itself is defective and not the player.

Feb 24, 2011 | Goldstar GBV241 DVD Player/VCR

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Hardly used it & now it doesnt recognize any dvd any clue what could be wrong

Laser eye reading buble,might be dirty,reqiure cleaning or having problems with those DVDs disc's itself like dirts,grimes or cracks and big scratches on those DVDs disc's laser shinning surfacing data's reading side?Check all ur DVDs disc's again u are using,might just require a good cleaning on DVD's discs on the reading data's shinning surface sides,with some dish washing soap?If the DVDs disc's are not the problems.Tries websites like, to buy a DVD disc cleaning kit.By using the DVD cleaning disc,might work,might not.But than u don't have to be littery taking the portable DVD player aparts and used some Q tips,dipping in with some rubbing alchahol to clean the Laser eye reading buble itself.

Dec 01, 2010 | TruTech PVS12701 Portable DVD Player

1 Answer

I have a Philips HTS 6500 HTIB receiver. It started to show a "No disk" message when trying to play dvds. It seems like a common problem for this device. I have some experience with electronics but I am...

First, I commend you for taking the initiative and tackling this yourself. Every device that loads through a slot has a device that prevents a disk from being loaded when there is already a disk loaded. This is the device (the two pins) that you are describing. What you need to do is disassemble the unit again and while reassemling check at each step to make sure the pins are out of the way (usually down).

The pins are usually connected to the loading mechanism itself by gears, so it may be necessary to manually turn a gear or belt (very gently!) to get the mechanism to a position to accept a disk. Most likely this won't work by itself, but it might. If it doesn't, then separate the pin mechanism from the loading mechanism, get the loading mechanism into a position to accept a disk. That is, not in the position where the disk is being "read" by the machine, and put the two mechanisms back together, of course with the pins out of the way, and try it out. It may take a time or two to get the gears in just the right position to work right, but you seem to have the ability.

I hope this helps. If not, please post what happens, and i'll do what ever else I can to help.

Oct 13, 2010 | Philips DivX Ultra HTS6500/37 Theater...

1 Answer

I have Dell studio 1435 ( out of warranty ), its dvd writer is not working properly, some dvds are not readable even the windows dik which i got with it.

the lens in the dvd drive has lost its potential to read the dvd's... still you will be able to read cd's without any problem... replacing the entire dvd header unit will fix the problem... but its really gonna cost more... i suggest you to buy an external dvd writer which can be plugged into the usb slot...

Aug 10, 2010 | Dell Computers & Internet

1 Answer

I used a disk cleaner because I kept getting a "No Disc" message after putting one in for recording. (same disc I had used previously that worked). It still reads no disc,then I put a recorded movie in and...

It sounds like the unit may be beginning to fail. DVDs are created in one of two ways - they are either burned (when you create one with the recorder) or they are stamped (most commercial DVDs are created from a master this way.) As the unit ages, the strength of the laser used to "read" the DVD begins to get weaker and weaker, eventually becoming too weak to read even the best DVDs. Not all commercial DVDs are created equally, which means some may have a deeper, neater pit pressed into the substrate making it possible for a weak signal to get reflected and read by the hardware (hence, you will experience the ability the read some commercial DVDs and not others.)

DVDs you create at home creates the "pits" by focusing the laser beam on a dye layer and causing a dye to change from translucent to opaque. Where the dye is translucent the laser beam is reflected back to the reader and where it is opaque, not. We get the 0 and 1 state that digital signals use to reproduce/transmit signals in this way.

You may be able to get the unit serviced and have the board that sends/receives the laser beam replaced - but that may be as expensive as buying a new unit, complete with warranty.

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1 Answer

I am unable to play dvds. The system starts with

Try other discs to see if the system is reading anything.

If it isn't then take a can of air and blow some into the drive to make sure there is no dust or dirt on the laser.

After that, try again and if the system isn't reading discs still then that means that the laser is bad. You can either replace the laser or the dvd drive itself.

Dec 01, 2009 | Sony Playstation 3 (PS3) Console

1 Answer

My computer is not reading any cds or dvds when i put it in the slot So i can not burn any cds? Please help

Make sure you have current firmware or driver updates on the cd-drive itself. If that fails sounds like a bad drive, sorry about that. If the other option works that would be good.

Nov 11, 2009 | Dell Inspiron 531S (DDCWGA1_5) PC Desktop

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After playing a cd in unit will no longer read DVDs

Had the same symptom. The unit would play CDs but not DVDs. The DVD laser was at fault. Purchased and replaced laser unit KHM-313AHC (ebay- $20) and it now works fine.

Jul 16, 2009 | Disney D7500PDD Portable DVD Player

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