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

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No picture but the sound is just fine.

Well, I've got a problem with my TV that has been touched on numerous times here in the forum but I haven't been able to see any threads that have worked the problem through all the way. So here is my attempt to help myself and hopefully others.
I bought this TV second hand about 6 months ago and it's been working flawlessly ever since, until the other day. After a round of golf, I fell asleep on the couch watching television. When I woke up there was sound coming out but no picture. After a few attempts to turn it off and on, no luck. Tried unplugging it. No luck. Currently I'm receiving a signal just fine because the audio works off of all the input channels but no video at all. Not even the menus or input designation that is usually in the upper left hand corner.
There were no indications that this anything was wrong until the picture stopped. No color or sound problems, a typical 5 second warm up time which I assume is normal.
I've taken apart the back of the set and cleaned out the dust with compressed air. Checked the 2 main ceramic fuses (T5H250V) that I could find and they pass an ohm test. Not sure where to look next.
I'm fairly mechanical and this seems like it shouldn't be that difficult. Okay, I'm actually just hoping that I don't need to spend $300+ in order to watch Scrubs again. Is there hope?
What are the next steps I should take?
Thanks for any input.

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  • Michael Nesis Jul 02, 2008

    Excellent suggestion, that was pretty in line with the posts I was reading. Now, where is that? I'm looking in the back of my set and there are 3 main boards. A thin one to the right where the power cord comes in. A large one in the middle that has the big transformer looking thing on it with thick cords that run to the tubes/lights(flyback). And lastly an equally sized large board that has the connectors (red,yellow,white; s-video; component).
    From what I've read so far, the vertical output IC is on the middle board (with the flyback) on the lefthand side towards the front of the TV.
    Is that right?

  • Michael Nesis Jul 02, 2008

    okay, just going to check it now. I just felt that I needed to tell you how great it is that there is a message board like this and you are pretty killer being able to give directions on this. thank you.
    By the way there will most definitely be another question after this.

  • Michael Nesis Jul 08, 2008

    Okay, With your help I found the heatsink that the IC is attached to. Took me a few days to get the circuit board out. Who would have thought that they held it in with screws. So now I've taken the board out. Most of the connectors were pretty easy, but I did have a bit of an issue with the wires on the flyback. Hopefully the wires when removed are supposed to look like a spark plug wire when you pull it out of the boot. (about a quarter inch of bared wire at the end) Is this right or did I just break that too? I've already ordered the part and did verify that it is stamped with TDA8177. Should be a couple more days until I get it in. Any hints on the desoldering/soldering of the piece? Looks pretty straight forward but I've never done components like this before, just soldering wires together.


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  • Philips Master
  • 8,617 Answers

Rear projections have a safety feature built into them that shut the picture tubes off when they experience vertical deflection problems, the audio will still work. i would recomend first trying to resolder the vertical output IC. If that doesnt help, the next thing would be replace the Output IC and if that doesnt do the trick you may need a deflection Board known as the LSB for your model. Let me know if I can assist you further.

Posted on Jul 01, 2008

  • 1 more comment 
  • Sonny Berry
    Sonny Berry Jul 02, 2008

    If you look at the flyback you will see two large heatsinks right next to in line with the flyback. the vertical IC is on the heatsink farthest from the flyback. It will have TDA8177 stamped on it. its closet to the left side of that board with the flyback and even in line across from the flyback. It will have a liitle clip holding it to the heatsink.

  • Sonny Berry
    Sonny Berry Jul 02, 2008

    just let me know when you need help.

  • Sonny Berry
    Sonny Berry Jul 08, 2008

    no the wires are susposed to have the bared wire on the end. Some de-solder braid may make removing the old solder frem the IC to aid in the removal of the old output IC, or Radio Shack has a de-soldering Iron that works best.


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