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

1 Answer

No picture but sound

If I take the back panel off there is a ceramic 5 fuse right where the power supply comes in the back, it is blown, could that be why there is no pic, I mean could it really be that simple, I tried a lower amp fuse but it did not work,

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  • 2 more comments 
  • donya Feb 15, 2008

    Thanks Guru, my chassis number is DPTV305F, can you give me the next thing that you would check

    Thanks alot

  • donya Feb 15, 2008

    wow, you are awesome, the fuse is right next to the incoming power cord and it has a number 1000 stamped on the panel right next to it. Thanks a lot

  • donya Feb 15, 2008

    everything seemed ok, question, the 5000 coil at the top of all 4 corners where the copper is attached to the plastic, they all seemed to be slightly burnt, is that just the way they are connected or could it be fried? Any other ideas and thanks for everything so far, it is very helpful.

  • donya Feb 15, 2008

    I dont but thank you

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  • Philips Master
  • 8,617 Answers

It could be, but usually something else has caused the fuse to blow. What is the chassis number to your set?

Posted on Feb 14, 2008

  • 2 more comments 
  • Sonny Berry
    Sonny Berry Feb 15, 2008

    What is the ceramic fuse number stamped on the board? If you give me that number I can check what circuit that protects. The audio works so that tells me its not going into shutdown. Its probaly just a regulator or resistor thats burning that fuse. So look on the board where the fuse is and give me the location number of that fuse.

  • Sonny Berry
    Sonny Berry Feb 15, 2008

    Ok ceramic fuse 1000 is a safety device it must be replaced with the exact repacement the part number is 2422-093-00035 its rated at 5 amps. Now check transistor no 7807 for being shorted this drives the Horizontal output transistor number 7801 check both of those transistors for being shorted. Let me know what you find. Also check the windings on the line coil 5000 pins 4&3 for resistance and pins 1&2 for the same resistance.

  • Sonny Berry
    Sonny Berry Feb 15, 2008

    Sounds like maybe the line coil is shorted. Do you have the service manual for this set? So you can check the various test points for voltage. let me know if you do or not and I will post a link where you can get the service manual emailed to you.

  • Sonny Berry
    Sonny Berry Feb 15, 2008

    You can get the service manual for your set. Its called Phillip/magnavox DTV305 at the following link. It cost 10.99 and they will email it rigt out to you. They also offer free unlimited support with the service manual to help diagnose and obtain parts. I am one of their senior support techs.

    http://servicemanuals.vstore.ca/

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1 Answer

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Toshiba 57H81 Flashing Red Power Light, Blown Fused F850+F852


Solved by resoldering some solder joints!!!!!!!
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Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001

Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852

Symptoms January, 2009:

  • Upon turning on set I got flashing red power light and nothing else.
  • Removing plug for one minute and plugging in results in:
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    • Pushing power button results in steady red for about 2 seconds then slow flashing red light, no other set activity
  • Removing power cord for several hours and plugging back in made no change
    • Audible click, steady red for about 2 seconds then slow flashing red light
  • Possible related note: Over past several months occasionally the entire screen would flicker momentarily and at other times be problem free for weeks.
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Repairs Made:
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    • There are two main power supply capacitors in this set. They are C-809 and C-810. One their negative lead on the printed circuit board re-soldered leads and nearby contacts. I’m told that because the factory left out a printed circuit board eyelet, the connection will come loose over time. When I called Toshiba customer service they said there was a known solder joint problem causing blinking red light.
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1 Answer

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1 Answer

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1 Answer

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