Question about Toshiba 50H82 50" Rear Projection Television

1 Answer

Disconnect the flyback

Does the red lead connection on top of the flyback transformer unplug. ? I am afraid to pull very hard on it. It is covered with a bullet shaped boot.

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  • mps777 Nov 16, 2009

    I am not an idiot, NOT going to touch it with the power on. Please answer the very simple original question!

  • mps777 Nov 16, 2009

    I am not an idiot, NOT going to touch it with the power on. Please answer the very simple original question!

  • mps777 Nov 18, 2009

    Yes thankyou, I did plan to discharge it, I have been zapped before also. I cannot get this RP 61 inch into service position without pulling one the 3 high voltage leads. I have never had this problem before. I think it was put together wrong at the factory and the lead wire is too short to slide the chassis out. Is there a procedure for this removal of the lead from the HV transfmormer.

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  • 25 Answers

Do not touch the flyback...DANGEROUS HIGH voltage.You have to have professional equipment to mess with it!

Posted on Nov 15, 2009

  • Robin Wilson
    Robin Wilson Nov 18, 2009

    I am sorry ,I did not mean for you to take it that way.The capacitor holds high amounts of voltage for a long time,even after it has been disconnected.I watched my electronics instructor years ago get shocked when discharging a unit that had been unplugged for days and he was using the proper equipment.Again I apoloize if I have offended you in any way.I just didn't want you to get hurt and I was just replying as fast as I read you question.

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1 Answer

The words on the display are blurry the hole screen seems a little blurry tried contrast and sharpness dose not help


This can be corrected. You will need to use caution. Pull the back cover off. You will see a flyback transformer. You will note, that a suction cup is connected to the back of the picture tube. Follow the red lead and you will see the flyback transfomer. You will also see, two potentiometers on this transformer. The top knob will correct the focus you are talking about. The bottom knob will increase or decrease the voltage to the picture tube. Just work with the top pots. It will say focus on the knob. Turn back and forth as you watch the lettering of an informational program. This will be helpful. Thanks for asking and show all hands of support!

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1 Answer

I need to change the flyback of my TV Philips of rear projection model 50P8341. I do not Know how to remove the damage flyback. First, I tried to remove the anodes that are connected to each of the three...


Leave the CRT's alone!!!!! You will ruin them. The red wires come out of the Fly-back. Pull the rubber caps up and then with a twisting motion pull each red wire out 1 at a time.

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1 Answer

How difficult would this be to replace? (flyback transformer)


Not very hard but you MUST discharge the stored voltage or be electrocuted.
This charge will be there, even when unplugged.. take a medium sized test lead, ground one end to the chassis, and connect the other end to a probe, like screwdriver, and WITH FINGERS BACK, push the probe under the flyback connection on the tube. Listen for large spark, then you are good to go.

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1 Answer

Thomson scenium doesn't start when we switch it on.


First, try to unplug and reset. Second, Remove back cover and check for shorted horizontal output transistor with ohmmeter. If shorted replace flyback. Next, carefully disconnect plug connectors from deflection pcb. No need to disconnect h.v. or screen leads. Remove from plastic frame and look at bottom (solder side) for cracks around pins of flyback transformer. Resolder all pins. Last, look for two or three bulging capacitors in power supply on same board and replace. Any of these things can cause a dead set. Good luck, Russmann.

Dec 11, 2008 | Thomson Televison & Video

2 Answers

I bought a new flyback transformer for a RCA D52W19 TV, but it came with no HV wire. How do you connect to it? Or maybe I was had?


This transformer does not come with the HV lead, you will need to use the one that is there on the old FBT. Unplug the TV for about 30 minutes to allow it to drain any voltage that might still be in the capacitors.
Remember SAFETY comes first.
Good Luck.

Jul 24, 2008 | Televison & Video

1 Answer

Panasonic PT-53WXD63G Flyback, H.O.T., and Triper


The small wires are disconnected at the focus and screen control block, and the large HV cable is disconnected from the HV splitter.you may have to reuse the large red wire if the new flyback doesnt have the HV lead attached. The Hot is the horizontal output transistor its mounted to a aluminum heat sink near the flyback.

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1 Answer

Could I possibly have a bad flyback transformer


I would try resoldering the flyback connections on the Circuit board. if the flyback was defective it would operate and you usually get 3 blinks on the LED indicator. Sounds more like a solder issue.

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1 Answer

RCA D52W19 Flyback Transformer Replacment guide


The picture tube can hold a charge.with a jumper connect one end to the ground wire around the picture tub. attach the other end to a screw driver and push it under the red cap on the picture tub. that will discharge it.. Remove the transformer from the board by disordering all connections. Insert the new fly and solder. from the old transformer follow the two leads on the side to the screen board at the picture tube. one at a time connect the new transformer leads to the socket and board. part number for the FBT 259296 $50.39 from www.the parts store

Mar 21, 2008 | Televison & Video

1 Answer

RCA P52937 Flyback Transformer question


The lead going from the flyback to that other device is a voltage divider or splitter as they're incorrectly referred to... To remove the leads press down firmly, twist and then pull up...
Bill

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5 Answers

Chassis removal


all the projection tv are made with removal chassis in mind becouse thats the only parts you carry to the shop remove the upper ruber tap and gentely but firme pull the cable..be carefull tvs have verry dangerous sites, specialy in that area..good luck

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