Question about Philips Magnavox 27MS343S 27" TV
Try this before you toss it...recently my magnavox 37" had been takign upwards to an hour to turn on. this past tuesday i check these threads to determine the problem. like many have said, its probably the capacitor, which it was n my case. basically i took everything apart and the bad (2) capacitors were obvious. one was oozing the electrolytic fluid and the top of the other started to 'dome' on the cap. i then went to a local electronics store (not radio shack, parts are too specific)... $3 for the (2) capacitors and a $20 solder iron. then you just de-solder the bad caps' and replace. i took the approach that - "what's the worse that could happen, the tv already didnt work?" well i just completed teh fix, it took about 3 hours and saved me nearly $300 that i didn't have. you can't be without your flatscreen at the beginning of football season!!!
Posted on Sep 09, 2009
Okay i have the Magnovox 42" plasma, bought in new in 2007, manufacture Jan. 2007. Tv has been working fine, then earlier it went off, i waited a few minutes then turned it back on, worked for a few hours, then off again. i disconnect the power cord and plug back in after about 5 min, as i plug it in.. you see and hear the power turn tv on (as usual) then off again in a matter of seconds.But when you try to turn it back on (remote or manually) it will not come back on! i waited 4hrs for everything to cool down also, but that didn't work either. any suggestions?
Posted on Jun 27, 2011
This is a common sign of a main power supply that is getting tired.
Our sets aren't really 'off' unless unplugged, otherwise they could not respond to the remote.
This means some portion of the power supply is always 'hot.'
Unplugging it allows all of the set to cool internally and temporarily causes the failing components (mostly electrolytic capacitors) to recover some of their lost value and perform as they should.
I think your problem is going to get progressively worse until even unplugging it won't restore those weakened components.
Once it reaches that point, I would suggest you find a surviving TV repair guy to ferret out the tired parts and get it back running again. Even if you decide to buy a sexy new flat screen/panel LCD/plasma, etc., don't discard your Philips since the new sets are not living as long as your current one. That way you'll have a backup (assuming you have a converter) when the new set dies 2 weeks after the warranty expires.
Posted on Sep 06, 2009
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Posted on Jan 02, 2017
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Jan 14, 2018 | Philips Televison & Video
Sorry to say but it sounds like your power supply is bad, although it is possible it is some other components in the TV because turning it off allows all diodes etc to power down completely. Unfortunately after a bit it happens again which leads me to believe again power trouble.
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