Question about Pioneer PureVision Pro-800HD 43 in. Plasma HDTV

10 Answers

TV does not turn on

I own a Pioneer PRO 800HD and while turning the TV on three days ago, I hear a crack and the TV shut off. I unplugged the TV and attempted to turn it on again but still nothing. On the bottom left corner of the frame, the TV is blinking red 5 times and a 2 second delay before it blinks again. Do you have any idea what's happening. The TV is approx. 2 years old. Thanks for your help! Keith Exact same problem here! Any solution yet, thanks Hans

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  • spyder550 Jan 11, 2009

    where are these boards located and how do you "check them"
    Thanks
    Hans

  • spyder550 Jan 12, 2009

    If it is the power supply, how come the light still blinks ?
    Thanks
    Hans

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10 Answers

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The crack you heard was most likely a blown fuse or a blown capacitor. The reason the LED light still blinks even though one of those may have been blown is because it is like giving you a code for you to identify the problem so that you can check it and repair it. If you know how to do it yourself, on the main power board, you will see 1+ glass tubes that have metal on the ends and on the insides. If the metal on the inside is broken apart, or if the glass it self is broken, then that fuse need to be replaced.

Posted on Jan 12, 2009

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To resolve this, first follow the link provided by abhishek33 as Pioneer apparently has a no-charge fix for this. Second, in answer to your question about the blinking, this is what is happening:

When the set is plugged in, there is a power supply that is always on. This is called the "standby" power supply. This provides 5V to give power to the internal CPU (computer) and the remote receiver circuit. This is what allows you to use a remote to turn on the set. When the set is turned on, there are a number of circuits that check for proper function and will shutdown the set if problems are detected. This is to minimize further damage. Those circuits also cause the standby light to blink a counted number of blinks. This will indicate the circuit that detected the problem which will then speed up the diagnosis and repair process. This is not unique to these sets but exists in many manufacturer's products.

Hope this helps,

Dan

Posted on Jan 12, 2009

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Open the unit then go to power supply section check the fuse if its open ,check also the diode,capacitor and regulator transistor for open also if defected replaced it with the identical ratings.Thats is the common components parts easly damaged in power supply causing not turn on.Maybe also has a loose or cold soldered joints that caused a crack sound You better resoldered all parts joint in power supply section.

Hope it may help you;

Regards;
VOTIT

Posted on Jan 11, 2009

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If a pioneer plasma blinks 5 times it means:

Standby LED blinks 5 times. Burned components in PSU.

When this happen the technician perform several test (check capacitors, read voltages, read continuity on resistors) on the PSU unit (the power board), then replaces the faulty component or the whole board.

I think all people here that are telling you to replace the whole board do not have a clue of how the board is done and how much it can cost.

A PSU board for this set is expensive, and therefore it is better to call a technician that can test a replace the broken component, often a $1 capacitor.

Here is the replacement power board for your model: AXX1064 , the cost is over $400.


Posted on Jan 11, 2009

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Hi
7 blink error on that model is 8.6 volt error and generally caused by y main board. disconnect y main from power supply and if tv does not shut down and vs voltage comes up (test point on power supply) replace y main and both y upper and lower buffer boards as replacing one without other two could cause additional failures

Posted on Jan 10, 2009

  • ABHISHEK.C
    ABHISHEK.C Jan 10, 2009

    2 blinks means the unit is having problem with 12 volt supply.
    while power on you can check 12DC on power supply before shutdown.if the voltage is constant before shut down I would recommend to replace D board..



    I'll need to verify this for your specific model, but usually the 6 blinks means that there is nohorizontal pulse. The 7 indicate a high voltage shutdown. Since the symptom changes, I would look first for poor solder connections in the horizontal circuit. Can you solder? If so, update this and I'll try to provide more details.



    if not solved These sets usually need crt change

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This requires a replacement of the power supply board.
you can get the required board at the pioneer service center or at
www.partstore.com
just select the proper model and brand and get the required part.
thanks.

Posted on Jan 10, 2009

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This requires a replacement of the power supply board. This is per Pioneer tech support whom resolved my issue when I called. Hope this helps!

Posted on Jan 10, 2009

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Five Blinks---- AKB circuit (AKB), the timer/ standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board. Also check Q218, 219, 220 on the A board. Also, unit can be in IK blanking. Try turning up screen slightly.

Posted on Jan 10, 2009

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This requires a replacement of the power supply board. This is per Pioneer tech support whom resolved my issue when I called. Hope this helps!

Posted on Jan 10, 2009

  • Sibananda Jena
    Sibananda Jena Jan 10, 2009

    http://www.pioneerelectronics.com/PUSA/S...

    Important: Updated Information Regarding Free Power Supply Replacement
    for Certain Pioneer Plasmas
    Pioneer is continuing to offer a free, in-home/office power supply
    replacement for certain of its second and third generation plasma
    models listed below for customers who experience a problem with the
    original power supply. If a model is not listed below, no power supply
    replacement is needed and no further action needs to be taken.

    If you own or use a plasma listed below, please call our toll free
    hotline at 1-800-421-1404 to arrange a time to have your plasma's power
    supply upgraded at your residence or office at no charge.

    Plasma Models (15 listed):


    • PDP-505HD

    • PDP-503PU

    • PDP-5030HD

    • PDP-5031HD

    • PDP-433PU

    • PDP-4300

    • PDP-4310

    • PDP-4330HD

    • PRO-800HD

    • PRO-800HDI

    • PRO-1000HD

    • PRO-1000HDI

    • PDP-433CMX

    • PDP-502MX

    • PDP-503CMX

    The issue with the power supply in the plasmas listed above does not
    pose any health or safety risk. Pioneer has received reports that the
    power supply in the affected models may fail. In some cases, a loud
    popping sound can be heard when a power supply fails. After the power
    supply fails, the plasma is no longer operable.



    Anyone with questions can call Pioneer's toll free hotline at 800-421-1404.

    We apologize for any inconvenience.

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  • 431 Answers

Check the power cable

Posted on Jan 10, 2009

  • nematics
    nematics Jan 10, 2009

    I guess the fuse would have gone due to excessive power input. Did you use a stabiliser to conenct or you conencted it directly??

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PLEASE READ BELOW what I found out.
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Important: Free Power Supply Replacement for Certain Pioneer Plasmas

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CHARCOIS

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Here is a solution from the Pioneer web site:

http://www.pioneerelectronics.com/PUSA/Support/Important%3A+Updated+Information+Regarding+Free+Power+Supply+Replacement+for+Certain+Pioneer+Plasmas
Important: Updated Information Regarding Free Power Supply Replacement for Certain Pioneer Plasmas Pioneer is continuing to offer a free, in-home/office power supply replacement for certain of its second and third generation plasma models listed below for customers who experience a problem with the original power supply. If a model is not listed below, no power supply replacement is needed and no further action needs to be taken.
If you own or use a plasma listed below, please call our toll free hotline at 1-800-421-1404 to arrange a time to have your plasma's power supply upgraded at your residence or office at no charge.
Plasma Models (15 listed):
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  • PDP-503PU
  • PDP-5030HD
  • PDP-5031HD
  • PDP-433PU
  • PDP-4300
  • PDP-4310
  • PDP-4330HD
  • PRO-800HD
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  • PRO-1000HD
  • PRO-1000HDI
  • PDP-433CMX
  • PDP-502MX
  • PDP-503CMX
The issue with the power supply in the plasmas listed above does not pose any health or safety risk. Pioneer has received reports that the power supply in the affected models may fail. In some cases, a loud popping sound can be heard when a power supply fails. After the power supply fails, the plasma is no longer operable.

Anyone with questions can call Pioneer's toll free hotline at 800-421-1404.
We apologize for any inconvenience.

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