I have a 53swx12b and it won't turn off. When you hit the power button on the remote or front panel the electronics all turn off but it seems like the TV part doesn't. It's done this once in the past but stopped for a few months and now it's doing it again. I can tell the TV is still powered up because I have it plugged in to a high end UPS and power usage display doesn't drop when I turn the TV off. I found some another article that leads me to think it's the power relay but I just wanted to get some other opinions. Of course it's just out of extended warranty.
Could you tell me where an end user could order parts from? I'm confident I could replace the relay myself. ThanksCould you tell me where an end user could order parts from? I'm confident I could replace the relay myself.
Thanks
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119 Answers
Re: TV won't turn off
Actually i just had a hitachi 2 weeks ago that would also not shut off. a called hitachi and was told to first do a master rest wich did not work, then they told me to replace the relay, once i replaced it the tv works normal again. i gently dissambled the relay & found the main contacts stuck together like they were welded.
so replacing the relay is a good place to start.
good luck.
well you could just search for a supplier on the net, but i would go to hitachi's home page. find your nearest service center, and get the part there. that way you know you are getting the original hitachi part.well you could just search for a supplier on the net, but i would go to hitachi's home page. find your nearest service center, and get the part there. that way you know you are getting the original hitachi part.
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It seems that the micro-switch to turn on power is damaged. It can be replaced, and can be bought from most of the electronic spare part selling shops. De-solder out one among them as sample, because, pin configuration should be identified when you buy it. It wont cost more, a cheap component.
Check and replace the microswitch soldered diretly to front panel circuit board. You have to open the TV. Get more details from the below referred site, and by click open the ads by the side and bottom of each posts.
Visit this site for more details.Type in the site name "Electro-help" either Google or Yahoo search box [not in the address bar of your browser], and click search.It is an electronic equipments service help site.All details you want are there.Note the position of hyphen in between words in site name, when you type it in.The site will appear as it is in web; subtitled as electronics equipments' repair help.
Check the microswitches inside the front panel control. You have to take the front panel control printed circuit board out from the TV. Repalce all the microswitches there at one time. It won't cost mor, and can be bought from most of the electronic spare part selling shops at your town.
TV won't turn on • Press the TV button. Make sure the TV is plugged in.• Check the wall receptacle (or extension cord) to make sure it is "live" by plugging in something else.• Something might be wrong with your remote control. Press the POWER button on the front of the TV. If the TV turns on, check the remote control solutions on page 26.• The front panel controls may be locked (disabled). Use the remote control to unlock the front panel controls by selecting the Lock Fr. Panel in the PARENTAL CONTROL menu and press OK (box won't have check mark).Buttons don't work • If you're using the remote control, press the TV button first to make sure the remote is in TV mode.• The front panel controls may be locked (disabled). Use the remote control to unlock the front panel controls by selecting the Lock Fr. Panel in the PARENTAL CONTROL menu and press OK (box won't have check mark).• Unplug the TV for two minutes and then plug it back in. Turn the TV on and try again.TV turns off unexpectedly • Sleep timer might have been activated. Go to page 24 for instructions.• KidPass might have been activated. Go to page 21 for instructions.• Wake-Up timer turned on the TV and no remote or front panel buttons were pressed for two hours.• Electronic protection circuit may have been activated because of a power surge. Wait 30 seconds and then turn on again. If this happens frequently, the voltage in your house may be abnormally high or low. • Unplug TV. Wait five minutes. Plug it in again.
Check the make and model of your TV ... You should be able to order a new remote through the manufacturer (try going through the online customer service from that company and they should be able to help). It might also be cheaper to go to an electronic's store and buy a universal remote. If you are going to go for the universal remote, make sure to ask someone at the store for help finding a remote that you can set WITHOUT the old remote.
There are some universal remotes that you have to program using the old remote -- it senses which frequencies the remote uses, and mimics them. If you have lost the old remote, then buying one of this type of remote will not do you any good ... so please make sure that you know what you are getting before you pay for it :-)
There are other universal remotes that have a list of pre-programmed frequencies, and you just have to search through the list to find the right one. This usually means that you will have to sit in front of the TV for a while hitting the power button. As the remote tries to set it's program, it starts at the top of a list of frequencies used by TV manufacturers, and each time you hit the power button, the remote sends a "turn on/off" signal in the frequency range that it is on, and then switches to the next frequency. As you hit the power button, the remote scrolls through the list of options, until it actually turns your TV off or on and you stop hitting the button. Then the remote holds the frequency range in it's programming, and should work just like your old one.
See if you can reset the electronics to factory defaults. Also check with the mfg about this. If nothing works you have one sick puppy on your hands.
Try this - turn set on then pull the power plug. Then push and hold the power button to on position for a few minutes.
Release button and plug back in Turn on and see what happens.
Genius!! Thanks! I took a dry cotton towl and ran it across the keys on my front panel and whatever was stuck, became unstuck..The internet just saved me $150.
do you feel static on the front of the screen (indicating the high voltage is working)? Put your arm in front of the screen when you hit the power button and see if your hairs are being pulled towards the screen.
Could you tell me where an end user could order parts from? I'm confident I could replace the relay myself.
Thanks
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