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31 inch phillips has sound but no picture. white screen with lines through it. it comes on for about three seconds then shuts off.

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I REPLACED THE 3340 RESISTER ON THE PICTURE TUBE BOARD. WORKS GREAT NOW. THANKS FOR THE HELP.

Posted on Sep 01, 2008

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Our lcd phillips tv screen turns completely white after about an hour of use


The TV, most probably, the display circuit or the display itself has developed dry solder/components leaking and the TV needs attention by a qualified service technician.

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My KP-51HW40 clicks off after running for a period. The red power light blinks when it goes off but screen stays dark. When TV is shut off for a while it restarts and runs fine. The "On"...


Hi,
KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
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Slow to turn on Phillips flat screen tube big screen


That is a common issue with the last generation of the phillips big screens, the best answer for this is one that i got at a meeting with phillips service several years ago. On philips the tv will not show a picture till the tubes are balanced out, simular to sony, but in a phillips if the white balance is not correct the picture and sound will be muted till all three tubes have warmed up enough to produce a good white balance. As the set ages the tubes become weaker and this procesess takes longer.

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I have seen this on mine. Check the cable going into your TV and make sure it is good. The ground portion of the cable could not be making a good connection.

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Please help


I suspect if you have green lines .you have a bad crt. there are three tubes red green and blue i suspect blue tube. tubes cost is around 300.00 to fix.


thanks doctor video


note sometimes you could adjust screen voltage located near the front grill black box . becareful high voltage ony a pro should do.

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31'sanyo tv analog has a white horizonal line thru it


There is a failure in the vertical amp section. This can be the main output IC, or any of the support components in this area.

An experienced tech can troubleshoot the set, and determine and service the fault.

Jerry G.

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No picture, screen is dark, but audio and the system control is operational


This sounds like the vertical output IC has stopped working. If the vertical pulses are missing at the yokes then the picture shuts down to protect the CRT's from being burned by the intense thin white line through the center of the picture. I have seen many of those TDA vertical output IC's fail.

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Phillips/Magnavox 9P5544C102 white raster and shuts down


This denotes a problem called blooming the horizontal lines you see are called retrace lines this is caused by the increase in anode voltage which could be caused by an increase in HV section current which trips the overcurrent protection dircuit and turns the TV off.If you do not have electronics experience I would suggest taking the set to a TV repair shop.

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