Question about Philips 60PP9202 60" Rear Projection HDTV-Ready Television

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HO board Hi, I need the part # for the high output board, the large one that has the transformer on it with the 3 red wires that go to the tubes.May be called flyback?ThanxJoe

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Re: HO board

60pp9202 About 2 days ago tv went blurry -all colors separated!
I first tried factory setting convergence - NO GOOD!
Then by hand one cross aligned at a time (red mostly, and green, the blue doesn't show misalignment) , tv won't save my efforts after I shut it off.
The crosses around perimeter are bend like bows , so when you try to bring yellow and red crosses together to align with "converge red"- they can't line up because red and yellow crosses are bowed-bent opposite, in center they are closer to straight be still all are a bit warped! images on screen are now also warped as well! If there are any of you in the Queens nyc area that can come and do a good repair- I would be glad to pay a decent fair price! (917)687-6290 CALL ME IF YOU CAN COME TO FIX IT (2PM-8PM) ANTIQUEBABIES@AOL.COM

Posted on Dec 15, 2007

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My 1998 hitatci tv keeps blowing fuse whats wroung

The TV has two power supplies, low and high voltage. Most likely the high voltage transistor (called a Horizontal Output Transistor or HOT) is shorted due to a malfunctioning high voltage transformer (the biggest piece on the board with the large red wire coming from it. If the low voltage is bad most likely the diode pack (full wave rectifier) or the voltage regulator chip.
Remember fuses are to keep the unit from catching fire by opening up when a short circuit draws too much current. If you cannot replace the cause of the current draw, it's time to buy a new TV.

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Where is the flybac located in a rca hd52w59

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1 Answer

My toshiba 65hx81 cut out lastnight. All I have now is the red flashing pwer light. Where do I begin? Do you know what the issue might be? Thankis, Kyle

Frist Kyle count the number of blinks on the set when it shuts down, this is an error code related to the problem area., The most common failure in this model is the deflection power supply board. This board provides high voltage to the picture tubes and related large signal circuits. You may want to check the horizontal output transistor for shorted condition, if it is found to be shorted replace it an the flyback transformer as these two work to gether to produce the horizontal frequency to produce the high voltage.

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1 Answer

It has an electric arc in the back an makes a cracking noise

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Wherenis the solder joint on the high output

The board on the left from the back is the deflection board. The HV transformer has a thick red wire comming out of the top. The underside of the board where this component is soldered develops cracks. Resolder these points, This very common failure on this model. There are 3 pc mount fuses beside this transformer. They are little brown boxes. The middle one is usually open. Replace this with a 1/2 amp pico fuse.

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1 Answer

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Mar 31, 2009 | Philips Projection Televisions

1 Answer

Locating the ''flyback transformer '' on a rca mod #R52WH74

It is usually large and black. Its the one with the rather thick red wire coming out of it. The other end of that wire either connects directly to the picture tube or into a distribution block which distributes the high voltage to the 3 picture tubes (guns) in projection TV's. Be aware that this transformer produces high voltage and can store voltage even when the set is unplugged. I hope this helps.

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2 Answers

TV Just Started Making a Humming/Buzzing sound

Replacing a flyback is not something I would suggest for anyone with no electronics experience. Second, lets see where the noise is coming from first. Take off the back and listen to the noise. The flyback will be at one end of the large red wires that go to the tubes. Sometimes the connection at the tube is not 100% and the noise comes from there. BE CAREFUL - there are high voltages going through this red wire that can be dangerous even with the set UNPLUGGED!! IF the noise is coming from the connection at the tube, with the set unplugged, carefully turn the rubber cap back and forth touching only the rubber part with one hand. Put the other hand in you pocket while doing this.

If the noise comes from the flyback side, if you can solder, again with the set unplugged, try resoldering the pins on the transformers. That may resolve the problem.

Keep me posted.

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1 Answer

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If you are lucky, it's only a blown fuse. Some tv's this large have more than one fuse, so look real hard and find all fuses. If fuses are good, then about 95% of the time, when you have no picture/no sound, the problem is a bad H.O.T. This is a large transistor with three pins soldered into the main board and is very easy to find because it is connected to a metal "heat sink". Look for a large red or black wire coming from the pic tube down to the main circuit board (sometimes it's blue, but it's the only wire coming from the GLASS part of the tube to the board. This wire goes to about the largest component on the board called the "flyback transformer". It is usually black and is about 3 or 4 inches tall, 2 inches wide, and 2 inches thick. The h.o.t. will usually be located in the area of the "flyback". The h.o.t. will be screwed with one screw or clamped onto a large piece of metal (usually silver). This piece of metal is usually about 2 inces square and is about 1/8 of an inch thick and is mounted perpendicular to the main board. Imagine a slice of bread standing on one side rather than lying flat and this is what the heat sink looks like. Sometimes you will see several heat sinks with transistors screwed into them, but the one you are looking for will always be the largest transistor with three pins. Don't forget to unplug the tv before you begin and stay away from the large wire coming out of the tube going to the "flyback". Do NOT unplug this wire from the tube. It can shock you very badly EVEN WITH THE TV OFF FOR SEVERAL DAYS. Just be careful and go ahead and give this a try. You can do it, and this is probably going to fix your set. If not, then replace the flyback transformer. The H.O.T. is about $10 or $15 and the flyback can be from $30 to $80. It is possible that none of this will fix your set, but you have about a 95% chance that it will and with such a big and nice and relatively new set, I would give it a shot. Keever

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1 Answer

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