Question about Philips 55PP9401 55" Rear Projection Television

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Philips 55PP9401 55 in Wont turn on no video no OSD

Blinking orange light. PS seems OK some cycling HV noise on Powerup

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Re: Philips 55PP9401 55 in Wont turn on no video no OSD - Philips 55PP9401 55" Rear Projection Television Projection...

Could be bad convergence ic's stk392-120 X 2

Posted on Dec 14, 2008

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Mitsubishi dlp tv wd65837 wont turn on.

Hello Ejaz,
You will also probably need to change the blown fuse for the lamp also located near the lamp. The blinking orange led is just showing that the circuitry cannot sense any light output yet!

Good Luck!
Rich Lilja

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Philips PTV 915 mod 50p8341a, powers on, but no video or audio or osd, can raise Beam current and achieve a REd or G,B rater. HV and filaments glow and ok. when turned off pix appears and then off as per...


Loss of picture n sound can be from many things. In your case, since you heard a high pitch squeal, it is almost always related to a bad flyback transformer. They can develop intermittent conditions before they finally go.

Therefore, I am confident that you can get the flyback fixed by a local shop for under $100. At least, I suggest you call around, giving them your symptoms like you did here and get their opinion.

It is new enough that there should be no question about the value of getting it fixed.

All the best and let me know if you have further thoughts or comments for me.
Dont forget to rate me as fixya..

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I own a philips hdtv dlp. yesterday, it seemed as if it might need new bulbs but today it won't even come on. the blue power light (in the front) is continually blinking. what does this mean? a new a tv? i...

Dull Video...

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture


* Screen Looks 3D, Warped, Distorted, etc
* Colors do not line up
* TV may shut off - and make a chirping sound.

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya

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1 Answer

My 57f500 wont turn on ,i opened the back and 3 green 1 red blinking and makeing clicking noise please help. thank you

I've had a few of these with a burned HV safety capacitor and also the regulator IC bad along with a pico fuse. It's best to have a qualified tech look at it. Same model could also have defective convergence ic's.

Dec 03, 2009 | Hitachi 57F500 57" Rear Projection...

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Picture is lighter and seems to be blue. like one of the tubes is burned out.

These sets have two common problems. Problem #1) Convergence

  • Screen Looks 3D
  • Colors wont align
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Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...


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B;inking lamp light and tv wont turn on

Usually when light continues blinking the main board is OK but, your video boards or other boards may have an IC problem. I've seen where some have tried to fix these problems themselves only to make problems worse. I think you'll be better off having a Service Tech fix it. They will have your TV operating in no time at all.

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Without HV you won't get heater voltage, describe the problem your having.

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