Question about Philips Televison & Video

2 Answers

Hello, 23pfl5522d/05 hj1a0743 232784 the picture started going 'flakey' and ***** for a few hours, then back to normal, then the follwing day the screen is completely dark when it turns on. the red power light flashes, a very quiet high pitched background sound

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  • 11 more comments 
  • phillip_renf Nov 15, 2010

    that is superb info thanks.

    so somewhere there is a component that has burnt out, or short circuited, which is causing high current or something like that

    I assume this could be a resistor/cap, or might even be an IC chip ? it could be visible, or not visible to the eye ?

  • phillip_renf Nov 15, 2010

    thanks for this, any suggestion to what part in the television might be faulty, could it be visible, or an official quote the best option

  • phillip_renf Nov 16, 2010

    its a strange one, may need to check.

    after no power for a few mins

    try 6 slow flashes, then another 10 slow flashes, then fast flashes. (and audio speaker blips occasionally)
    or
    6 slow flashes, then fast flash/audio blip

    if removing power a couple of secs and plugging in,
    1 slow flash, i hear the display trying to initiate with a static crackle, then fast flashes/audio blips

    before it failed, the picture screen image started to get pixelly blips and 'sharded' lines. could it just be a display failure (or maybe display control circruity failure as well)

  • phillip_renf Nov 18, 2010

    the sound was ok when the picture when flakey/jagged/garbled,

    altho screen is currently completely dark though, with no turn-on

  • phillip_renf Nov 19, 2010

    thankyou, the SSB, is this the screen itself or the control circuitry. i had a quick 'non-destructive' (?) look inside and there seems to be 4 main parts - 1x power, 1x control board, 1x hidden board, 1x tft screen

  • phillip_renf Nov 21, 2010

    hi sorry for delay, cant find a camera

    the cct board is under a lot of metal layers, but basically is rectangle shaped, with one power-ribbon connector going to the power board


    from the back, left to right

    [hidden][power][main]

    would there be any use in disconnecting this boards ribbon cable from the power, and powering up the tv just with the power/main board connected ? if its poss it might remove the faulty component (altho the tv would then be minus a large electrical section)

  • phillip_renf Nov 21, 2010

    Hi, the tv is herehttp://i56.tinypic.com/fbgfes.jpg - ribbon cable temporarily unplugged, no power

    I am guessing the vertical board on the left underneath the metal

  • phillip_renf Nov 21, 2010

    the actual only number i could find printed (apart from philips logo) is 3139 123 62613 WK713.5

  • phillip_renf Nov 21, 2010

    i think i can confirm that (after some variable starts?) the red power led flashes once, then fast, and the sound gives a blip every few seconds

  • phillip_renf Nov 22, 2010

    thankyou, awesome, i will try that.

    just on the power-on LED. after a long time disconnected, it seems to,

    6 slow flashes,
    then 3 or 4 lots of flash-flash,
    then the speakers blip, then continous fast flashes, with occasional speaker blips

    would this tie-in with the main control board

    on the power, there are a couple of capacitors which show small signs of bloating

  • phillip_renf Nov 23, 2010

    thanks, good info

  • phillip_renf Nov 23, 2010

    awesome info. thanks. trying to work out how to rate,,,

  • phillip_renf Nov 23, 2010

    awesome info thanks. trying to work our how to rate,,,

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2 Answers

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  • Master
  • 4,889 Answers

Can you please tell me how many times the power led flashes in between each pause? Its a self-diagnostic error code and will help us zero in on the location of the problem.

Posted on Nov 16, 2010

  • 8 more comments 
  • eagle338
    eagle338 Nov 16, 2010

    Ok. One more question, to confirm the problem. When the picture goes "flaky" is the sound affected too, or do you still have proper sound?

  • eagle338
    eagle338 Nov 18, 2010

    All these indications that you have specified means that there is a 99% possibility that it is not the power supply causing the problem. 6blinks error code is usually associated with the SSB main of the tv. Replacing the same would resolve the issue

  • eagle338
    eagle338 Nov 19, 2010

    The hidden board is the SSB aka audio video main board. Remove the metal cover off it and get me the part number off it and I will confirm if its the main board

  • eagle338
    eagle338 Nov 21, 2010

    You cannot power up the set with the cables disconnected! And yes you need to disconnect the cable alright but make sure that you are removing those of the main SSB not the T-con. I do not have a service manual, so I can find it for you on some site if you want, but its not gonna be free.

  • eagle338
    eagle338 Nov 21, 2010

    What is the part number of the board on the right? That looks like the SSB main.

  • eagle338
    eagle338 Nov 21, 2010

    You can stop looking. It is the part Signal board main located on uktvparts for 43 GBP.
    http://www.uktvparts.co.uk/3139-62613-wk...

  • eagle338
    eagle338 Nov 22, 2010

    Let me know how it goes.

  • ttalley Nov 29, 2010

    I have the same model 50" Philips Plasma 50PF7321D/37 TV, and it has a green light then switches to red and blinks 6 times repeatedly. I tried fix on youtube where the guy repairs a 50PF9731D/37 with new capacitor chips but my board does not have those and I do not see any blown inside the TV. Thanks for any help.

  • corieandcai Dec 12, 2010

    6 times

  • eagle338
    eagle338 Dec 12, 2010

    Same solution Amigo. Its the SSB that needs to be replaced.

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  • Philips Master
  • 12,061 Answers

This is a fairly classic switchmode power supply problem. the sound you hear is the resonant transformer being overloaded and oscillating, as it tries, to work against the fault. The protection circuitry inside the SMPSU, has sensed a severe potential problem, and is attempting the shutting of the set, down to avoid a fire, explosion, or both.
This set had developed a problem, that is so severe that the set must be shut down, (This set should be removed from the Power),
What is happening is the internal "Fault" that is causing the Protection Circuitry , to detect the problem and attempt to shut down the set, keeps restarting the set, because as soon as it shuts down, the "Faulty" component(s) cool down?, and the "Fault" ostensibly "Clears" so the PSU starts up again, only for the component(s) to heat up, whatever, again and fail, so it shuts down, and if left unattended, this would continue on until the part eventually failed.
Any fault that involves the power supply is usually quite serious, and needs a professional, usually, unless one is familiar with servicing current day, televisions.
And in my professional recommendation, you should get a "Quote" for repair, from, an, Approved Service Center. Now, this point is very important for a good result, Always contact, their "Local" or a, "Head Office" Philips in your case. Ask them, for a referral to an authorised servicing center, where you ask for a "Quote". Now, when you get the information you want, then you can decide as to repair of replacement.
The reason we want an approved agent, is that way, all the engineers are trained on their own brand sets, they have seen almost all faults, and will get the job done quicker, and for less cost, and usually have parts on hand, also sometimes, there has been a service bulletin in issued and the repair may be subsided or even free. There are many, many, many reasons that display this symptom, one must work through the troubleshooting steps to isolate and identify, the Cause and repair that and any damage done.

Posted on Nov 15, 2010

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