Question about Philips 40PFL3705D 40 in LCD TV

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Philips 40PFL3705D/F7 turns on with white light no sound and no pictures can not use buttons for channel or volume

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 102 Answers

SOURCE: 19pfl3403d/f7 rolls constently thru the channels

If it does this, even when the remote control is in a different room (or has the batteries removed), you need to have the set serviced by a professional.
If it only happens when the remote is nearby then you may actually have stuck keys or the equivalent shorting inside the remote. Some remote cases open easily and you can blow out the inside and under the keys with "canned air" spray.
If the problem is with the remote, you can buy a cheap replacement at a local drug store. They will be labeled "universal" remote. However, no remote is truly universal. Check the label on the package and verify online that the device will work with your brand of TV BEFORE you buy.

Never open the case of a CRT or Plama television as there are LETHAL voltages inside for WEEKS after the set is unplugged.

Posted on Jan 02, 2010

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SD Tech
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SOURCE: MY PHILIPS MODEL 42PFL3603D/F7 TURNS ON WHEN YOU PLUG THE POWER IN AND THE BUTTONS DO NOT WORK

If the remote works for the set, both it and the buttons on the set go to the same place in these sets.

The Keyboard with the manual buttons may have a lockout feature--it can be locked to prevent children etc from tampering with the controls.

If no function from remote, that could be same issue or another==key board has priority over the remote control.

if all else fails carefully read the owner manual.

Posted on May 24, 2012

caroldon
  • 17129 Answers

SOURCE: philips 40pfl7705d/f7 tv has no picture but has sound

Possible it can be failure of the t- con driver board but it is necessary that you measure the voltage on the boards.
Check for visible leaks from capacitor , burnt driver or IC or resistance that can lead to the fault. If not the board must be replaced.

Posted on Jul 05, 2012

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Sounds like white balance adjustment mistuned. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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Maybe a thermal problem or there is something apart loose even use cold spray, manipulated by slight shaking or tapping components.

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There are 2 posiblities 1. T-con board is bad needs replaced. 2. Back lights have gone bad take a flash light to the screen in an angle and see if you see any picture? if so back lights are gone they can be replaced.

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Philips 40pfl3705d/f7


Sounds like T'Con board fault. Contact the authorized service center for Philips. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/

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1 Answer

I have a philips 40pfl3705d/f7 LCD TV and the volume can be seen onscreen adjusting itself randomly. Tuns on and off by itself and so on all by itself. When it works it works great. But randomly it seems a...


You might need to get this checked with the manfucaturer, looks like a malfunctioning remote control. Or you can just replace the remot and see if that helps.

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1 Answer

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Sounds like a failed T-Con board, but hard to say without seeing the set.

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1 Answer

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looking online as i have same problem, sound without picture points to T CON board. approx $50-100 part + labor

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1 Answer

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http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?scy=US&slg=AEN&mid=Link_FAQs&new_tmpl=1&session=20100701083748_66.249.65.50&ctn=40PFL5705D%2FF7&dct=FAQ

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1 Answer

TV Manual for "40" PHILIPS


Paste the following link in your browser & download the manual.

http://download.p4c.philips.com/files/4/40pfl3705d_f7/40pfl3705d_f7_dfu_aen.pdf

sonsunny

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1 Answer

Bracket screw size for philips42pfl6704d/f7


My Philips 40PFL3705D/F7 uses 8mm 1.25 bolts in the 4 holes for mounting to a wall mount. Not 8 mm 1.0 bolts.

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