Question about Philips Magnavox 27MS343S 27" TV

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32mf23id philips I have a problem when I turn on the tv after a while I lose signal and then a few seconds late the tv shut off

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Sounds like the internal power supply is going bad. Loses power to the tuner first then the whole tv.

Posted on May 09, 2008

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PHILIPS 40PFL7705DV/F7 keeps shutting off


If it is a new TV and under warranty, return it. There is an internal fault and it needs to be serviced.

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1 Answer

TV keeps shutting off


Its the power pack located inside the TV, it needs replaced. contact manufacturer for parts or service.

http://www.support.philips.com/support/html/index_global.html

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REPLACED POWER BOARD TV TURNS ON DISPLAYS PHILIPS AND SHUTS OFF ,BUT LIGHT BLUE INDICATOR LIGHT STAYS ON


If no signal (whatever the reason) most sets with a solid blue screen will shortly shut off.

A few things to try first:

Unplug set, a box if used, a receiver if you have it in line---wait a while and plug each back and wait to see if they reboot and restore signal.

Also look to see if you can get the set to a video input before it shuts off---A DVD etc should be connected and on when you try that.

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I have a phillips 42fd9954 17s. when i turn it on the green light tuns on for like 6 seconds then fades . then nothing. no sound no picture. any idea. i am using a comp cord. had no cord when i got it


if you use vga input and there is no signal the tv shuts down in few second. It will wake up again if you provide vga signal or cycle it on off again. Change input to component or s-video and tv should stay on. On the other hand, this model has known problem with bad power supply unit but usually red light flashing when tv shuts down in that case.

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1 Answer

I have 20MC4306. Recently when you turn it off it turns itself back on. Also when you turn it on shuts off after 2 seconds. Tried putting in a video vhs then press play and wait few seconds and hit...


Sometimes when the TV recives a brodcast signal for a new update to the mainframes firmware, it will have to turn itself on to install/recive the update and aslong as it is connected to a power source it can do this. hope this helped answer your question. Have a good day :)

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1 Answer

The screen won't turn on. But, whenever you press the on button it turns red like it is turned on. What's wrong? And how can I fix this?


A very common problem with this TV model. You have a bad signal module or a bad small signal board. Leave your TV unplugged for a few days or a week. Then plug this TV and power on. If the TV comes on and plays well for a few seconds and goes out, the SSB needs replaced. The second thing would be to pull the back cover off. If TV is already on,you can see the rear filaments on the TV tubes lit. Still no picture..then your the signal module is bad and the Convergence ICs and resistors will need replaced. This is a good starting point. Definitely one of these two problems.

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DVD playback color


When passing the video signal thru a VCR on the way to the TV, you are activating the DVD's "Macrovision" copy protection.  You need to hook it directly to the TV.

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2 Answers

Tv turns off


is the timer set. or does it have an automatic shut off. I would check your settings.

 

Oct 23, 2007 | Televison & Video

1 Answer

Philips 55PW9363


Hi! ronogre,
This set has a defective SMALL SIGNAL BOARD.

Toprol

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