Question about Projection Televisions

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I have a pioneer projection TV #SDP62A5K. The tv was on and made a pop noise and went off. Now the tv will not come back on. When you press the main power button, it goes to green and clicks and goes right back to the red.

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  • sweetnlow585 Aug 30, 2008

    I have a pioneer #SDP62A5 projection TV. Recently in the past week we would be watching tv and it would go off for no reason. We would press the main power button and it would come back on. Yeasterday, we had it on and it went off, and now won't come back on. when you press the power button, it goes to green makes a click noise and goes back to red.

  • sweetnlow585 Aug 30, 2008

    We have unplugged the Tv for several hours, and it still will not come on.

  • sweetnlow585 Aug 30, 2008

    We have unplugged the Tv for more than 4 hours, and it still will not come on.

  • sweetnlow585 Aug 30, 2008

    what kind of hardware may need to be replaced and how much could it cost?

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After all things said and done, im afraid the problem is realy the power supply, no other way around it, in some instances you can still have a tech to inspect this but they'll recommed a replacement of the same.

cheers

Posted on Aug 30, 2008

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Your power supply board is very perfect.so the power is coming when you press the ON button the red light and green light comes .but its the faulty capacitor on the main board.which has blown off and made the bursting noise, when blown.just check on the main board for that capacitor, and replace it.this will solve your problem.
thanks.
please rate the solution.

Posted on Aug 30, 2008

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Sir,

We generally will, but the boards are ungodly expensive and take TIME to get from the manufacturer. They aren't fast with parts.....

SOMETIMES all you need is to have all the power and signal boards resoldered.....but that takes DAYS / 6-7 hours to do that work !!

Find a Pioneer authorized servicer in your area....


thanks
good luck

Posted on Aug 30, 2008

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The TV made a pop noise maybe came from the capacitor or from a fuse. This is a power supply section problem. Pioneer recommends replacing the whole supply board not attempting to repair it. The power supply module number is AWV1622 with a retail of about $500 or so including the "DUD" charge. The DUD is an extra charge that is refunded upon receipt of the old module. In other words, if you return the part to Pioneer, you will receive a refund in the amount of the "dud".

The other possibility is that the convergence ICs are bad. These are large black ICs attached to a heatsink and should be marked STK392-xxx or something similar. Check the connections on these ICs as well. If they look good, replace the ICs before you replace the power supply. The ICs are about $25 each.

Hope this may help;

Regards,
VOTIT

Posted on Aug 30, 2008

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That's a power supply problem or just the fuse that might have been burned. Better check the circuit board of your tv for some blown internal components.

Posted on Aug 30, 2008

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Http://www.repairfaq.org/sam/tvfaq.htm#tvtvrep
the link will guide u solve ur problem.

Posted on Aug 30, 2008

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TRY THESE STEPS
>Check the buttons on the TV make sure they are clean and not sticking.
>Check the Remote Control buttons and see if they are sticking
>Clean the Face of the infer Red lens to the remote and the TV...
clean them with a small rag or paper towel (Do Not USE Abrasives to clean any part of your Electronics)
>Check the plug for any defects
>Reset your tv back to it,s factory settings
>And if any thing locate your user manual and find the 1-800 number

Posted on Aug 30, 2008

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  • Projection T... Master
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By unplugging it for a while and draining power from TV you reset it, this can solve the problem if some chip is jammed with wrong settings.
If this first attempt did not work, then as already state, the TV safety protection circuit is turning TV off to cause further damage.
Common reasons for TV turning off after 15 20 minutes are overheating, or overvoltage from one of the boards or of the ICs.
With no diagnostic code (eg. blinking code) it is impossible to troubleshoot in detail from here.
As said you need a technician to fix this.
You can call the phone number listed in your owner manual, call a local TV repair, or tell us your city and get a repair phone number in your area.

Posted on Aug 30, 2008

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  • Ginko
    Ginko Aug 30, 2008

    I did not find your model number, if screen picture went down with a popping noise it is likely the lamp .
    This is not very difficult to replace, but the part is expensive.

    Here is an example.

    I did not find your model in the part list, provide all possible details on your model and we will give you right replacement.

    To replace the lamp you access the back of the tv, the procedure is illustrated in service manual that can be bought from part seller.



  • Ginko
    Ginko Aug 30, 2008

    Here are all your parts for your model

    Here is Pioneer replacements page


    The fault was a loud pop.

    This can be a short, the power supply or CRT has blown.

    If it is CRT, parts are over $500,
    if it is power supply it will be over $ 300 whole part or some technician work to fix it.
    If it is a short there may be no need to replace parts.

    It is worth to call a technician to have the job done. A call to diagnose the broblem usually cost $80 or so.


  • Ginko
    Ginko Aug 31, 2008

    You do not know what part to install until a technician test the TV, expert saying "the power supply module board" must ahave been just taking a guess.


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  • 763 Answers

Get some service on this one. a proffessional technician will solve this problem to be fix some hardware.


cheers
CHARCOIS

Posted on Aug 30, 2008

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Yes, it probably is tripping the protection safety circuit.

Try a hard reset to see if that will restore its functionality. Just unplug the power cord for 4 hours - the try it again. About a 10% chance this will restore it.

If the hard reset does not help the set will need to be diagnosed by a tv tech who can get inside and take voltage measurements and look at waveforms on the oscilloscope.

There are many sections of the tv that can cause such a problem and they are usually expensive to repair.

You will need a tv tech; it is not a home remedy type failure.

Thanks for your question,

Posted on Aug 30, 2008

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  • Projection T... Master
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The clicking sound you hear is the ON relay that is going OFF. The power management system in the tv has a protection circuit which has the function of monitoring current from the various sections of the tv. If it detects excessive current it immediately sends a signal to the power management circuit to shut the set off or power down.
Do a hard reset - this will just make sure the power management system or the protection circuits have not gotten corrupted. Unplug the line cord for 4 hours. That will reset all the internal codes to factory defaults.

Hope that helps..........

Posted on Aug 30, 2008

  • Mark Gil
    Mark Gil Aug 30, 2008

    Open the set with your fist thing to do back, top, sides If you have the back cover off, using a long wooden (non-conductive) stick, probe around gently to see if you can find a place that brings it back to life. This testing is for loose wires, poor connectors, corroded pins, cold solder joints. that my be acting up.

    If the above two procedures provide no indications, then the set has something internally that needs mending. The excessive current that is causing the protection circuit to go into action could be from the high voltage section, the vertical or horizontal deflection amplifiers, the audio amplifier or the main power supplies. Unfortunately, it is impossible to know without a hands-on diagnostic. The most common is high voltage generator failures and/or deflection amplifier breakdowns.

    If still cannot figure out what is the problem tech it to a repair center..



    Good luck.........

  • Mark Gil
    Mark Gil Aug 30, 2008

    The cost will be for a house call and repair labors. Maybe as much as $100 - 300 for repairs just an estimate...

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Your power supply went out get it to a shop they will tell you the same.

Posted on Aug 30, 2008

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