Question about Philips 20PT643R 20" TV

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Philips 21PT3832/71R The unit has picture with no sound but later on it is completely dead.

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 change your option code

Posted on Sep 07, 2008

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Posted on Jan 02, 2017

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I have a philips norelco 7340xl with dead batteries. I disassembled the unit and used a heat gun to remove the old battery. I replaced the battery with an energizer nimh rechargable just like the dead...


If your solder joints are good and no solder has slopped over to short it out, the only thing left to check is the polarity of the battery. Positive end goes toward the motor

Sep 21, 2010 | Health & Beauty

3 Answers

Philips 42PFL3603 tv sound but no picture.


Hold a flash light to the screen after it goes off and see if you can see a faint picture. Sounds like your backlight might be cutting off. Repair can be expensive but some of the newer units don't require the entire LCD to be replaced.

Sep 27, 2009 | Philips 42PFL3603D/27 42 in. LCD TV

1 Answer

TV SCREEN IS JUST A BLUE PICTURE,BUT HAS SOUND


Hi and welcome to FixYa,

Offhand it would appear that the VCR section of the combo unit would require a bit of cleaning. Specifically, head cleaning. The easiest approach is to use a VHS tape head cleaner.

The other post of "tv turns on then 5 seconds later shuts off" would be the auto-protect kicking in. This indicates that a likely hardware fault exists. Try to initially reset the unit by unplugging from the mains for an extended period. Otherwise it would require opening the unit for voltage measurement/diagnosis.

Pls post back updates. Good luck and thank you for using FixYa.

Jan 25, 2009 | Philips Magnavox Learning Universal Remote

1 Answer

I own a 52" Philips DLP television and have sound but no picture


I would check to see if the lamp door is properly seated.These units will not operate without the lamp door in place or improperly seated.

Jan 11, 2009 | Philips Magnavox 51MP392H Rear Projection...

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Philips Magnavox 51MP392H Rear Projection Television


are you getting sound, was it moved laterly, did you just get it from somone, did it get wet, does it make clicking noises, was the picture color/ convergence blurring before this, were the colors slowly seperating such as red/blue/green?, did the picture bow on top and bottom or sides prior to tihs, was there anything note worthy prior to the blank screen.

generally its IC convergence problem with the larger philips projection TV's however I need more info on your TV, also size make model # anything you can provide gets us a more narrowed solution.

hope this helps....

Aug 17, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Philips 27PT6441/37


There is a install kit 483531057673 for this model when the set is dead. The kit will contain 7404 and the Horizontal Driver Transformer 5402 along with resistors that will limit stress on 7404 and includes complete instructions

May 03, 2008 | Philips 27PT6441 27" TV

1 Answer

Sound no picture


sounds like cold solder at the vertical output IC. Try resoldering the vertical output IC and see if that helps.

Mar 29, 2008 | Philips 55PW9363 55" Rear Projection...

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