Question about Philips 20DV6942 20 in. TV/DVD Combo

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Blown or damaged transistor

How do I repair the damaged or blown transistor. Can I repair this myself? Should I have a tv repair place do it for me?

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I recommend to you to take it to a center of service, since sometimes there are damaged more parts than those who see seen wing although if you himself want to do it then, that I number of part is to give you another suggestion of the possible parts that are damaged

Posted on Mar 01, 2008


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Posted on Jan 02, 2017


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Transistor c3807 blown tv

Your TV need a through checkup. There sill be a reason for the blow up to this transistor. Find the reason first, rectify it, and then replace the damaged component. Contact any experienced service technician.

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if no any power indicator that light or even blinking, the first place to be check will be the power supply section you must check weather the fuse is blown.if the fuse is blown before you replaced with new one you need to check other component in the power supply section like transistor and diode. so this case need proper trouble shooting, if you think you don't have enough idea in any electronic repair just leave it to the trained tv technician.

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if their is no any power indicator at the front panel the cause is either the primary fuse at the power supply section blown. and then if the fuse is blown that was mean the regulator transistor and the horizontal out put transistor could also damaged. this case can be hand held by trained technician. if you want a do it with your own just make sure you have at least a basic knowledge in electronic repair since you are dealing with some high voltage parts a care must be needed.

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You could try buying the part from Yamaha America... the music section in California. Transistors and resistors are easily replaceable so repair of the board would be the path I would take myself... but then I am an electrical engineer.

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I want to know the value of transistors. my Philips TV 25PT4473/69T power supply is blown up. If Circuit diagram could I get

You have to try in Google search.

If the transistor body is not damaged, you can read the type no. Replace it with identical No. Make sure the diodes and capacitors are not damaged. Check with multi- meter

Sep 29, 2010 | Philips Televison & Video

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I have blown the protection circuit on my yamaha rx 600d amp anyone with a clue whats needed to fix?

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Hello. I have a punch 551 4 channel amp. The

The cost of the replacement parts is minimal if there is no damage to the audio circuit. If there are shorted output transistors, the cost of replacement parts won't be significantly higher but it may be more difficult to repair. If you're going to try to repair it yourself, read through the following page:

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You can't repair transistor damage. I'm sorry.
If the computer is new, you can contact the company and ask them for a new one or ask for a discount.

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