Question about Akai PTH5498 54" Rear Projection HDTV-Ready Television

4 Answers

On and off switch doesn't work anymore...

On my television the red(off) and the green(0n) switch won't work correctly. When you turn in on, it automatically shuts off.

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  • jjonessb65 Jun 22, 2008

    Is there a place to take the t.v. I don't have electronic tech people available.

  • jjonessb65 Jun 28, 2008

    I am going to call the company and ask for help. I will let you know what happens. Thanks a million.

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4 Answers

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  • Master
  • 1,894 Answers

Then u can better call ur company and ask them to send a tech for ur help sir

Posted on Jun 22, 2008

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  • Master
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Base from what you have said there's a possibility that the circuitry of the on/off switch has gone bad so if you know something about electronics you can try opening it up so you can see it, but I'm suggesting you to take it to a repair center near you and let a professional do it for you for yiour own safety also..

Good luck.........

Posted on Jun 22, 2008

  • Mark Gil
    Mark Gil Jun 22, 2008

    This maybe the problem the front panel plastic pivot is broken or the little tact switch itself is defective. In either case, you will need to slide out hte main board and remove the front panel PC board.

  • Mark Gil
    Mark Gil Jun 22, 2008

    Try checking this site and check if its near to you they can help you for this http://www.freewebs.com/ramtv/

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  • Master
  • 624 Answers

This is most likely an electrical problem in the power supply, with the most likely culprit being this voltage regulator IC part number STK392-110
It is also very likely that you may have some open resistors and dry capacitors in the power supply.

Just in case the problem is something to do with the Microprocessor having some confusion you can do this.

You can try unplugging the TV for a few hours and then plug it back in and turn it on. This resets the microprocessor, and if the problem is that, it should turn back on, but I would not count on that working. But it is worth trying since it cost nothing and is easy to do.

Without the proper equipment and troubleshooting skills you will not be able to repair it yourself. It would take a couple of hours for a well trained electronic technician to complete this repair.

I hope you have found this helpful, and if you plan on fixing it yourself let me know and I can offer you some helpful advice on what to look for. but if you are not experienced at electronic repairs, it is not a good idea to try and do this yourself, I have seen many people try and cause more problems than they started with. The end result being that they ended up spending even more money than they really needed to.

Posted on Jun 22, 2008

  • Dave DeGain
    Dave DeGain Jun 22, 2008

    To find the nearest Akai service center to your home, please visit this website and enter your zip code. They will locate the closest one to you.

    http://www.akaiusa.com/service_locator.a...


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  • Master
  • 6,966 Answers

Hi,

Often, this is indicative that the internal protection circuitry is engaging, that is once you powered it up, the built-in diagnostics sensing something is wrong and therefore automatically shutdown the unit.

Not unless you are comfortable working with electronic circuitry and components, it is perhaps best to seek the services of a qualified professional.

Pls post back for any developments or should you need additional information.

good luck and thank you for using FixYa.

Posted on Jun 22, 2008

  • Louie  Role
    Louie Role Jun 22, 2008

    Hi again,

    Initially, pls try a hard reset; that is unplug from the mains for a number of hours. If the unit resets itself and revert to factory default, then it will power up. Of course this is assuming that there are no hardware defects but a systems glitch. Further a hard reset reverts all configuration and settings.

    Should this be not corrective, then access to a service manual would be advantageous for any diagnosis/repairs.




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Posted on Jan 02, 2017

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