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I have a new philips 47" lcd and this is the second one. The problem I have is that I am watching the tv and it suddenly power cycles. Nothing else does only the tv. Any ideas?

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Take it back to the store and request another one..or get them to service it

Posted on Aug 27, 2008

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Why does my vizio lcd 47 in tv just suddenly turn off. I will be watching tv and suddenly it just goes off. The vizio power light then blinks steady for about 1 min and then the tv starts up again, as if...


Good day!

Please follow this procedure to fix your problem:
  1. Open the cover of your TV.Remove all screws at the back.
  2. Next,power ON the TV and check the output voltage of power supply using voltmeter.
  3. It should have not less than 5vdc for system board,12vdc for sounds and 24vdc for inverter board.If the 3 supplies are got a voltage drop your power supply had problem.For example if you check the 5vdc then the reading is 4.50vdc only.
  4. If you have voltage drop,check some leak/bulge on top capacitor on power supply.replace it by using soldering iron and soldering pump.
  5. When the power supply looks like OK,no voltage drop and no leak/bulge on top capacitor.The problem is your system board or main board.There's no easy remedy for that.You have to replace the whole system board.
I hope this solution helps you to fix your problem.Thank you and good luck.

Jun 13, 2011 | Vizio VO47L 47 in. LCD TV

1 Answer

I'm looking to get help with the equalizer settings on my Philips 47 in LCD TV. It just doesn't sound very good....Need help


hello,
Philips 47PFL7403D have Equalizer: 5-bands
Output power (RMS): 30W
Sound Enhancement: Incredible Surround
Sound System: Dolby Digital (AC-3), BBE.

Mar 27, 2011 | Philips 47PFL7403D 47 in. LCD TV

1 Answer

Our philips lcd tv picture turns off but sound stays on and then the piture won't come back on for longer while.


Suddenly, the sound for LCD 42PFL3605/12 dissapeared. Resetted to factory settings, upgraded firmware, but no result. The TV ran just 24 hours. Please, help!

Dec 19, 2010 | Philips 47PFL7403D 47 in. LCD TV

1 Answer

I was watching my 47" Phillips LCD, only 2 1/2 yrs old, when the screen went black. I still have sound but nothing on the screen itself.


Common failures are the power supply module and the backlight inverter modules, those are the two place to check.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Aug 06, 2010 | Philips 47PFL7403D 47 in. LCD TV

3 Answers

Hello, I have a phillips 1080p LCD HD 47


Replaced the backlight video board,u hear a click light on.The power board work.

Dec 10, 2009 | Philips 47 in. LCD HDTV

2 Answers

Philips LCD TV "47, model PFL 8404H/12, NO SIGNAL on all 4 HDMI


This is quite tricky as it was working until last night and suddenly stopped receiving signals. What can happen wrong?
Do you have any other Player or other HDMI cables to try out. Sometimes the cables would be damaged or PC may fail to detect the HDMI.

Try this out from Philips helpdesk where there is new SW and FAQs are available.
http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=42PFL8404H/12&slg=en&scy=CZ

Let me know if you are not able to upgrade the FW (if you do not get the support on ugprading)




Nov 30, 2009 | Philips 42PFL5332D 42 in. LCD Television

1 Answer

47'' Philips LCD TV is dead


You can try a power drain:  Unplug the TV's power cable so the TV isn't grounded to the house.  Then press and hold the TV's own power button in for one minute to drain the capacitors.  Then plug it in and see what happens.  If the same thing occurs, you likely have a problem with the TV's mainboard as a faulty power supply would provide no power at all to light up the LED.

Mar 24, 2009 | Philips 47PFL7403D 47 in. LCD TV

1 Answer

Shadowing on lcd tv when tv camera moves left or right


it could have something to do with the refresh speed of the tv set not sure if you can change it have a look in the menu or manual hope this helps jim

Mar 16, 2009 | Philips 47PFL7403D 47 in. LCD TV

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