Question about Samsung HL72A650 Television

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Screen begins to fade and flash colors. Replaced new lamp and after few minutes same thing occurs. Any suggestions for needs to be repaired?

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  • Samsung Master
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There are three things that are suspect in this situation. One is the ballast ( a large transformer that powers the light) The other is the light ENGINE. The light engine is about 400. Since you have described an issue with the colors flashing I would suspect the light engine. It could also be the power supply. None of these parts are cheap.

Posted on May 02, 2015

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Posted on Jan 02, 2017

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hello When the TV has been powered on long enough for the lamp unit to get hot, it may take several minutes for
the picture to appear on-screen. See "IMPORTANT NOTICE ABOUT HOT LAMP R
When the TV has been powered on long enough for the lamp unit to get hot, it may take several minutes for the picture to appear on-screen
in the following situations:
• When the Quick Restart™ feature is set to OFF and you turn the TV off and then on again within a few minutes.
• If the TV is on when a short-term power failure, power surge, or other similar power failure occurs, such that the TV loses and regains
power within a few minutes.
This is a property of DLP TV lamp technology and is NOT a sign of malfunction.
If this occurs, the green LED on the TV front panel will blink (and the red LED will be lit solid) until the TV is finished restarting the lamp
and the normal picture appears. If BOTH green and red LEDs are blinking at a one-second rate, you will need to turn the TV off and then
on again to restart the lamp.
ESTART" on page 8. if this no good check the lamp in side to see if it's not burn't out good luck

regards
shaun

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No sound or picture, 2004 pt50dl54j


remove back panel. blow out all the dust from all the components except the fan on the right.
Vacuum out all the dust.
Have you replaced the lamp? that would help too.
There are 2 small red lamp. One indicates HEAT problem. The other one is the LAMP indicator.

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I have a Samsung HLR6168W DLP that intermittently shuts itself down,the sound stops, the picture disappears, the screen goes dark but not completely off. A few moments later the picture returns, but no...


its the problem of inner lamp that is near to end of its life and it needs replacement.and what the thing is happening is the indication of faulty lamp.
how to replace the colour wheel with diagram and procedure
http://www.jangro.com/a/2006/07/24/samsung-dlp-replace-color-wheel/

how to replace the lamp in 5 minutes with diagram and procedure
http://www.jangro.com/a/2006/08/03/how-to-change-your-samsung-dlp-lamp-in-5-minutes

 
how to replace the ballast with diagram and procedure
http://www.consumermeet.com/entry/samsung-dlp-ballast.html

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1 Answer

Monitor fades and turns blue


this sounds like a transistor issue concerning the ccfl lamps the power transistors are deteriorating and they will eventually go bad you can have them replaced and that should fix the issue. otherwise I would say have the capacitors that feed the ccfl's may be getting old and need replacement as well, its not something the average customer will want to do but if you have a service center that does electronic repair then that would be bst.
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Green screen and shut down


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Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

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1 Answer

Continueus green flashing light


i have seen weak lamps do this. this would also be the first thing the servicer would replace. worse case scenario you would have a spare lamp on hand...

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Inaccurate error message


According to Canon's website:

Details Print Friendly Version Issue: ERROR LCD: More than one ink tank of the following color is installed U071
Solution: Replace defective ink tank (MP500 / MP800)

Replacing An Ink Tank Use the following procedure to replace empty ink tanks or when an ink tank error appears.
  1. Confirm that the printer is powered on and press the <Open> button. (The paper output tray will open.).

    mp500_openbutton.gif

  2. Lift the scanning unit (printer cover) completely. (The print head will move to the replacement position.)

    mp500_scanningunit_open.gif

    Note: When the scanning unit (printer cover) is opened more than ten minutes, the print head moves to the right side. If this occurs, close the scanning unit (printer cover), and open it again.

  3. Open the inner cover.

  4. Press the ink tank's tab (1), then remove it from the slot (2).

    sj403118.jpg

  5. Unpack the ink tank and pull the orange tape off completely in the direction of the arrow and remove the film.

    05sj00141_05_en.jpg

    Note: Tear the orange tape carefully along the dotted line. If the orange tape remains, printing problems may occur.

    05sj00141_06.jpg


    <4> Tape is completely removed.

    <5> Tape remains. Remove the orange protective cap located on the bottom of the ink tank by twisting as shown in the diagram.

    Caution: Do not touch the ink tank contact <6>. Doing so may cause printing problems. Do not squeeze the side of ink tanks as this may cause the ink to leak out. Do not reattach the protective cap once you have removed it.

  6. Insert ink tanks into the print head.

    Note: Press the mark <PUSH> on the ink tank firmly until you hear a click.

    05sj00141_08_en.gif


  7. Ensure that all the ink tanks are installed properly and the ink tank lamps light red.

    05sj00141_09_en.jpg

    <7> The ink tanks are installed properly.

    <8> The ink tanks are not installed properly.


    Note: Click for Ink Tank Lamp indications.

  8. Close the inner cover and the scanning unit (printer cover).

    Caution: When closing the scanning unit (printer cover), be careful not to jam fingers.

    N
    ote: The next printing begins, the print head cleaning will begin automatically.

Ink Tank Lamp indications
You can check the status of each ink tank according to the way its lamp flashes.
  • On: The printer is ready to print.
  • Slow flashing (at about three second interval): Ink is low. Prepare a new ink tank.
  • Fast flashing (at about one second interval): Ink tank is empty, or the printer is not ready due to an error.
  • Off: An error has occurred and the printer is not ready to print.

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