Question about Sharp DVRW250 DVD Players

8 Answers

Sharp DVRW250 not working

Hi, I have a Sharp DV-RW250 recordable DVD / video player, about 3 years old now. It has not been used much, so isn't worn out, but I cannot get it to function as it seems to be stuck in a mode where none of the buttons work. The timer display is lit brightly (as if switched on, rather than dimly as if on standby), but I cannot choose any of the buttons, get anything to eject or play etc. I have unplugged it, left it for days to "re-boot", but as soon as I plug it in again the lights come on, the fan comes on, but no buttons function. Any ideas?

thanks

Rob

Posted by on

  • 2 more comments 
  • robbie232 Dec 15, 2008

    Hi



    thanks for the response about SME cleaning - apologies, but being a bit of a technophobe, can you tell me a bit more as I'm not sure what this is or how I would do it......! Does it need to be carried out by a professional repairer or can it be done by anyone?



    thanks



    Rob

  • robbie232 Dec 15, 2008

    I've been advised that this may need SME cleaning - if you can provide some more details around what this is and how it is done, that would be great. Can it be done by myself or does it need a professional repair?
    Are there any othe potential solutions that people out there may know?

    thanks

    Rob

  • robbie232 Dec 15, 2008

    thanks - there's definitely not a DVD already in there, but will check the capacitator issue. I'm reposting in order to view the other solutions that have been posted

    thanks

    Rob

  • robbie232 Dec 16, 2008

    thanks for all the responses so far. Only re-posting to see the remaining solutions that have been suggested

    Rob

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Hi
dear my advise is do,t do your self and try professional repairing man in your near
coz dvd is very sensitive case maybe some thing is crashed your self so its make more porobleb for you.

Posted on Dec 16, 2008

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  • Master
  • 404 Answers

Hello, I've looked at all these responses and thought possibly I may help, Not being a Sharp tech but recent problems with other dvd/cd players have been sussed.
Is there a reset button possibly located around the back of the unit, if the system is powered up lights on but no one home could there be a sticky button? i.e. one of them stuck on/in? do they click when lightly pressed if not try a gentle flick with your finger.
Hope this helps.
Oh! Merry Christmas

Paul 'W' Onyer~EDson(:0)~[><

Posted on Dec 16, 2008

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If the DVD RW is not reading some CDs or DVDs, it can have a dirty lens problem.

Try using a len cleaner , like the ones here.

If this does not work it will be necessary to take apart the unit and accees the lens to clean it, or replace the lens pickup.
In this case call the number listed on the owner manual to get assistance.


Posted on Dec 15, 2008

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Are there any indications at all of power going to the unit? Is there a standby light? I suspect either the power supply section or the microprocessor within the unit

I doubt that the optics are bad. I would guess that the optics are dirty though. If you feel confident in taking apart the set, remove the lower box from the TV. The VCR/DVD unit is enclosed in a metal cage. You will need to remove the cage and get to the DVD assembly. Carefully clean the lens of the DVD using a cotton swab and alcohol. Re-assemble the unit and try to play a DVD. Since the message is "incorrect disc", the disc is being recognized and read partially. That also indicates correct functioning of the optical assembly. Some data is being read incorrectly however.
Keep us posted.

Posted on Dec 15, 2008

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  • Master
  • 6,966 Answers

Hi and welcome to FixYa,

Initially, a couple of possibilities:

  • stuck buttons on front panel controls (hopefully), the easiest to check and remedy. Try flicking at the buttons with your fingernail;
  • leaked capacitors in the power supply section especially the +5VDC (likely considering the length of time not used). This would result in a ripple filled/dirty logic supply voltage;
  • firmware glitch (hopefully not). This would be akin to the Operating System of a computer that has to be re-installed/reloaded.
Proposed course of action:
  • cleaning, visual inspection of the inside circuitry;
  • ensuring all cables, wires, plugs, jacks, terminals, connectors snug & tight;
  • replace any leaking, blistered, obvious signs of damage components especially capacitors;
  • perform a DIY (do-it-yourself) repair referencing a Service Manual.
Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 12, 2008

  • Louie  Role
    Louie Role Dec 15, 2008

    Hi again,

    Cleaning would be nothing more than blowing dust with a can of compressed air. You may, at your option, use likewise an electronic contact cleaner.

    Additionally, the initial step is visual/technical inspection. This of course would require opening the unit, perform voltage measurements,determine faulty component and subsequent part(s) replacement. Further, a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron would be required. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings.Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

    Cheers.


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  • 306 Answers

Then sure u need to contact a service center since it doesnt work even after unpluggin it!!

Posted on Dec 12, 2008

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  • 734 Answers

I think it requires sme cleaning...try it


Posted on Dec 12, 2008

  • futureloginn
    futureloginn Dec 15, 2008

    ok,
    i'll give you some steps for cleaning your DVD player----

    Step
    1
    Make sure the laser pickup lens is actually the problem. There are a wide variety of reasons that a DVD player might not read a disc efficiently. The disc could be scratched or dirty, for example. Test the DVD player with a disc that you know works before trying to clean the lens. 
    Step
    2
    Purchase or borrow a lens cleaner disc and try it first. You can find these things really cheap at any large department store. They usually get the job done well. However, you may need to clean the lens manually if the store-bought cleaner fails. 
    Step
    3
    Remove the outer casing of the DVD player. Remove the screws that mount the top casing onto the bottom of the DVD player and slide the top casing off. This will expose the DVD deck, which houses the laser pickup lens. 
    Step
    4
    Find the lens. The lens will be glass and under the DVD clamp. The lens will probably have a blue tint to it. If you are having trouble finding the lens, you could shine a light on the components and watch for the reflection. 
    Step
    5
    Use a cotton swab and some isopropyl alcohol to gently wipe the lens. Just a quick scrub will do. Dry the laser pickup lens with the other end of the swab. 
    Step
    6
    Give the lens a few seconds to dry and replace the covering of the DVD player. Test the efficiency of the player. If necessary, repeat the process.

    NOTE---(These steps are taken from a link)
    Thanks 

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  • 1,239 Answers

Hi
This is a power supply issue. One of the capacitors on the power supply board have likely popped (top dented outward, indicating failure), and needs to be replaced. It's a simple fix for anyone who knows their way around a soldering iron, and costs hardly 45 cents for the new capacitor. 

Posted on Dec 12, 2008

  • ABHISHEK.C
    ABHISHEK.C Dec 12, 2008

    if you think it is not capacitor.




    then check thisTo get your DVD out of the non working player, you have to look on the bottom of the case below the tray. There you will find a little slot, about 2 cm long x 2 mm wide. Through that slot you will see a white plastic piece, sometimes its on the middle of the slot and sometimes its full to the left of it (the front of the player facing you). Use something that can be inserted in the slot (I used a little knife) and move the white plastic piece all the way to the left, that will loose the tray. Then you will be able to open the tray using your fingers, nails or anithing that won't scratch the finishing of the case.








    for more info http://www.velocityreviews.com/forums/t3...

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