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My pioneer PDP-503CMX don't turn on and the green led blinking 5 times

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  • benitov636 Jun 29, 2009

    this is not a projection tv.Is plasma tv

  • benitov636 Jun 30, 2009

    MY PIONEER PLASMA MONITOR MODEL #PDP-503CMX DON'T START AND THE STANDBY LED BLINKS 5 TIMES

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3 Answers

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Try this...it could be that power manaement is enabled.

The POWER MANAGEMENT and AUTO POWER OFF functions
must be set individually for each input (INPUT 1 or INPUT 2).
To return to operating mode:
÷ To return to normal operation from POWER
MANAGEMENT mode: either operate the computer,
or press INPUT on the display or remote control unit.

Or this...
http://www.elwinelectronics.com/roadscum/Field_Service_Guide_07_rev1.2.pdf

it says on page 38 that it could be a fan abnormality. You may want to have it checked by Pioneer's service technician.

Hope this helps.

Posted on Jun 30, 2009

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Hi,

I would say its very highly probable that its time to replace the projection bulb. This generally has to be done every several years in a TV like that. They arent real cheap, but its not a huge deal either.
OR

You probably need a new bulb for the TV. they go out every couple of years or so depending on how much it's used. Unplug the TV from the wall. On the back of the TV there is usually a small compartment for the bulb. Pull it out to see if it's burnt out. DO NOT TOUCH THE BULB WITH YOUR BARE HANDS. It may be VERY HOT or if it is working the oils in your hands could damage it.

1. Try to get the manual/users guide for that TV. Most manuals tell you how to change the bulb. And the exact bulb you need.

2. Get the model number of the bulb and see how much it is. It's probably like 200-250 bucks. order it if you need to.

Hope this helps.
Thanks for contacting Fixya.

Posted on Jun 29, 2009

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  • Master
  • 583 Answers

Here is a list of the problems that might have occurred indicated by the number of blinks. The words in parentheses are those, which you will see for each of these faults on a diagnosis screen described later in this article.

  • Unit is dead, No blinks - Problem in the standby power section. Might check fuse, R607, Q601, IC601, R612 and VDR601 (should show open).
  • Continuous blink once a second, no pausing - No reply from the jungle IC301 (data bus is busy, shorted to ground, or held high), IK video path is defective.
  • One blink - not used for the self-diagnosis
  • Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. Could be a short in the power supply of any of the circuits.
  • Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672.
  • Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505
  • Five blinks - AKB circuit (automatic kine bias), 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. In addition, unit could be in IK blanking, try turning up screen slightly.
  • Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206.
  • Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.
thanks for using fixya.keep updated.
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Posted on Jun 30, 2009

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Posted on Jan 02, 2017

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Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
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I have a 50" Pioneer PDP-503MXE with the same problem - the fans don't run. It appears to be a problem with the temperature sensor that controls the fan speed. However, the fans can manually be switched to MAX.
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I cant get the fans to turn on!!!!!!!!!!!


Call up the 'Integration Menu" - the fans can be switched between 'auto' and 'full speed'.

To do this switch the display into standby. If the standby light flashes 4 times it is indicating a fault in the Thermal Sensor Assembly which will explain why your fans aren't working. With the display in standby press the menu button and within 3 seconds press the power button. The display will turn on with the integration menu. Select the option tab and scroll down until you see 'fan control' - press 'set' to toggle between 'auto' and 'max'. When you select 'max' the fans will run at full speed within a few seconds. The fans are a bit noisey at full speed so you may want to look into replacing the sensor eventually.

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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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  • PRO-1000HDI
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  • 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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