Question about Philips 27PT5445 27" TV

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I have a Philips model 27pt5445 with chassis L03.1

Goes into shut down after 5 minuts.I have L01 servise manual but no L03 .I'm an old tech that just fiddles around now days.Bill

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  • Philips Master
  • 1,207 Answers

Check all high voltage caps with Mfs less than 10 . For example a 160 volt 2.2 cap or 200 volt 1 Mf or 250 volt at 4.7Mf etc. Always substittute with a higher dgree cap. Like an 85 degree cap to a 105 cap! And be sure you always have good solid grounds on anything with heat sinks, transistors. mosfets,vertical,powerline regs etc. Thanks for asking!

Posted on Apr 07, 2010

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Posted on Jan 02, 2017

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My tv when turned on goes to a black screen with 3 color strips of lines going across the picture then goes to a snowy picture but only shows on half the screen and then shuts off


This sounds like a vertical problem. It could be just a bad solder joint or it could be a IC that has failed and surrounding componets. Hope this is helpful.

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I have problems with this 27pt5445/37 philips tv when I turn on the screen with vertical problems and within seconds it turns off and replace some capacitors and no improvement


Did you replace cap 2465, 100volt 10Mf to cure the vertical problem? and You may still have a bad cap at location 2415, 160 or 200volt 2.2 at 85 degrees. Check this out! When the tv tries to come on does it make a very good effort with the picture tube cracklin on and then shuts down? If this is true you may need a mosfet, located at 7404. Part# 934054713215. Good Luck! This is a smd!

Sep 28, 2009 | Philips 27PT5445 27" TV

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Channels have just changed.


It sounds like your tuner mode has been changed. To change this back to cable hit menu arrow down to install, then arrow down to tuner mode and change that to cable. That should take care of your problem, if not email me at evilteddybear42@yahoo.com.

Jason

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Magnavox MS3252S431


Replace:

Q7461 C33725
O7463 C32725
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27PT5445/37 philips tv


My philips is model 29PT854A/78R and I can't seem to be able to find the manual to download it to my computer.

Can you please help me? Maybe you can tell me the site or web page for that specific tv manual?

I appreciate your help at your earliest convenience. My email: jeannettefort@xploratelmex.com.pe
Thank you very much.

Sincerely,

Jeannette Fort

Apr 09, 2008 | Philips 27PT5445 27" TV

1 Answer

Magnavox 32" tv ms3252s431 shutting off


Usually, the L01-1 chassis most common problem = weak
capacitors, such as C2455.Could be C2425......47mf/25v...
Check all caps around horiz drive xformer = an ESR meter
helps on this one + a skilled, experienced technician......T.

Nov 19, 2007 | Televison & Video

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