Question about Polaroid FLM-4201 42 in. LCD Television

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TV will power up but no but don't light up.

Then it will not power down. i have to unplug it.

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In those polaroid flat screens they have a manufactured defect in the power supply usually the defective parts will be burnt ,swollen. Check out Stivo at fixya.com

Posted on Jan 31, 2009

  • sleiphnir22 Jan 31, 2009

    that was stiv0 on fixya

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No picture on TV


Not sure if you saw Tom's Guide
at Sharp lcd tv power button flashing

(1) 4tinyhearts said:
I unplugged the TV and held the buttons down and it continued to flash. I continued to hold down the two buttons and replugged it in again and it worked. TV back up and working.

(2) lastditcheffort said:
Unplugged it. After looking for a new tv online I decided to try getting it to work. So, plugged it back in and held down the power button, a red light came on, held down the power button again and an orange light came on, held down power button again and green light came on and tv powered on. This was simply a case of trial and success!

(3) Nateinportland said :
unplug, hold power button, plug in. If that doesn't work, unplug all the HDMI cables, unplug the power, hold power button, plug back in.

Jun 04, 2016 | Sharp Aquos Flat Panel Televisions

1 Answer

Only getting red light


Is this when the TV is on or off? If it occurs while the TV is on, is it constant or intermittent?

Try this: Unplug the TV. Hold down the power button on the TV for 30 seconds, while the TV is still unplugged. Then plug in the TV and turn it back on.

Similarly, power cycle the TV: turn it off, unplug it and leave unplugged for a couple minutes. Plug it back in and power it on. Reset settings back to factory defaults. If all else fails, I would recommend pursuing repair/replacement options.

Nov 07, 2013 | Insignia NS-LDVD19Q-10A LCD TV

1 Answer

Sharp Aquos LC-60E79U has flashing green power light and OPC light but won't turn on


Try to I unpluged the power, push volume and channel down, pluged power again

While it's flashing unplug your TV from the main power source for 15 seconds,Then press Valume Up and Channel Up, while holding it plug the TV back in, you should see the TV Turn on. How to Reset Your Sharp LCD TV TV Repair

Jun 15, 2013 | Flat Panel Televisions

1 Answer

Power board for 37pf5521d


hello!
You don't need to replace power supply in most cases. If you can to the board itself, it buried deep under metal shield, up side down, remove it from the set by unscrewing 6 machine screws, unplugging few plastic connectors. Be careful, connectors are fragile, gently move those in every direction, while pulling out male part of connectors. You will find at least 1 "bloated" electrolytic capacitor, remove and replace those. It's good have "in circuit" capacitor checker to determine quality of "hot side" of power supply capacitors. If you won't find and replace those, small: 1mf 10mf or 22mf, your set will start up, might even work fine for a while, then will quit for good! I've seen that happen! If you don't have capacitor gizmo, then replace all small electrolytic capacitors on "hot" side of power supply. "hot" is that side, what connects to main power in plug area, contents one large capacitor, I.C. chip diver, power mosfet, etc. worst case scenario: if you can't replace those parts yourself, remove the board and take to local TV repair shop. It won't cost you that much to do so, compare to complete TV repair.
Good luck,
Alex.

Feb 19, 2012 | Philips 37PF5521D 37 in. HD-Ready LCD...

1 Answer

I have a Vizio VF550XVT1A. The screen started to


Hi Alfred Grace,

First of all, thank you for posting your question here at Fixya.

Based on the symptoms you've described, I don't believe that the backlights are already faulty. If backlights gone to malfunction, that are permanent, but in your case you've said that the TV power up fine for half an hour, this is an indication that the fault not came from the backlights but from the inverter boards. Inverter boards are the one giving high voltage to the backlight to light up, it has a built in protection circuit that will activate once there's a malfunction on the board to avoid further damaged because of high voltage output.
If you would like to fix it yourself, I would advice you to replace both the slave and master inverter board. I saw your board at shopjimmy.com. Click it HERE for the replacement. Replacing these boards are not technical, all you have to do is to unplug the unit overnight to drain any voltages from the power supply board, disconnect all connectors and then put-in the new boards. No soldering required. If just in case that the inverter boards are not the issue (I'm pretty confident that the power supply board is working fine), don't worry, the link I've provided accepted return, the fault is on the power supply board.

Hope I helped you.
Have a nice day!
Good luck and take care!

Jdvillanueva

Dec 21, 2011 | Vizio VU42L 42 in. LCD TV

1 Answer

My westinghouse tv was working a couple of mins ago but then i unplugged it and plugged it back in and it wont come back on. I left it unplugged for 45 mins and plugged back in but it still wont work! Help...


If you don't have any indicator lights on the front then it is likely to have blown a fuse. If you do see indicator lights then it is likely to have a bad power supply. The power supply can be traced down from the AC cord plug. It can be easily changed by a novice. Just take the back off and unscrew and unplug the power supply board.. do a search on Ebay or shopjimmy.com or google with your model number of the set to find price and availablity.

Jun 09, 2011 | Flat Panel Televisions

1 Answer

I have a Dynex LCD and when you press the power button the red light flashes on the front of it and does not turn on. Any solutions to this?


Try to "power cycle" the TV. Unplug its power, hold down one of the buttons located physically on the TV for 10-20 seconds and then plug it back up and attempt again. If that fails, time to see if you have a protection plan from best buy. Don't bother calling Dynex if your 1yr manufacturer warranty has expired.

May 28, 2011 | Dinex DX-LCD26-09 26 in. HD-Ready LCD TV

1 Answer

Ive just bought this tv and when i turn it on the stand by light is flashing but i cant turn the tv on please can you help?


This shouldn't happen. When the standby light is flashing there is a problem with the television and it needs servicing. It could be the main board, the power supply, or both. This is a costly repair when a television is not in warranty. Now there are times when a television has to be turned on from the power button located on the top or side of it when first being unboxed. At a time like that the remote control will not work to power on the television. I don't believe that is the problem you are experiencing.

The troubleshooting for this is to unplug the television overnight and when you plug it back in the next day wait for the standby light to start flashing. Hold down the power button on the television set itself. Wait and see if the standby light stops flashing and turns red (or a different color). Let go of the power button. Press it once more and release it once more. The television should come on.

Even if the above works you don't want to risk something really being wrong with the television and a costly repair being needed after the warranty expires.

May 14, 2011 | Flat Panel Televisions

2 Answers

Sharp 46 aquos model LC46E77UN tv turned off power button just flashes on and off tried unplugging and waited an hour and replugged same conclusion power light just flashes


Unplug it hold down the Channel Down button and the Volume Up button unplug it for 10 seconds then plug it back in and continue holding them down for another 10 seconds then release. I had the same issue and this fixed it now I have another though *~*

Oct 01, 2009 | Sharp Flat Panel Televisions

19 Answers

Lcd sharp tv flashing green light


Try unplugging the unit and while unit is unplugged hold the volume up button and channel down buttons down and while depressing both buttons plug the unit in. Let go of the buttons and the unit should come on in the service mode. There will be a small k on the screen. With the sharp remote press the channel up button once. This should bring up a menu that will show a lamp error line. If the lamp error is = to 5 the unit is in lamp error shut down. User channel down to highlight that line and curser right arrow to highlight the lamp error #. Hit the enter button to clear the lamp errors. Now unplug the unit and let it sit for a minute and plug back in. I hope this corrects the problem. If the unit does not come on by doing this or if it does and you do not find lamp errors the power supply pcb may have been damaged by the surge.

Jan 06, 2008 | Sharp Aquos LC-37G4U 37 in. HD-Ready LCD...

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