Question about Acer AL2416W 24 in. LCD Television

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Is there a known issue w/the signal processor on this model?

I'm getting intermittent display black-outs. The power indicator remains green, so that means it's getting power, and valid video signal. Most of the time, powering down to reset the monitor will resolve the issue; - but sometimes I'll need to leave it off for 1/2 hour before it'll start working properly again. A real BIG annoyance!!!
PS. Its not a backlighting issue, since I don't see any 'shadow pictures' during the black-outs, just no display.

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5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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Benimur
  • 6966 Answers

SOURCE: Acer AL1716 (black) - Drops to No Signal -

Hi Eric,

Your post/description of "No Signal" and power LED changing from green to amber is indicative of just that - the monitor is not receiving any signal from the video card of the computer or the signal it is receiving is beyond its capability.

Just to verify that it is indeed the PC;'s setting that is the root of the problem and not an internal fault within the monitor, pls:
1. lower the screen resolution of your desktop's properties.
2. it may also be of help if you likewise lower the screen refresh rate.
Both of the above may be adjusted through the appropriate settings in your Display Properties.

If your concern has not been corrected after completion of the above procedures, pls post back details of your video card (brand/model), display properties settings: a) screen resolution, color quality and Advanced/Monitor screen refresh rate.

Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FIXYA.

Posted on Feb 15, 2008

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  • 63 Answers

SOURCE: Monitor receiving signal, but no image

Hello!

I see many monitor with that trouble.
When you turn on comp., you can have a picture on monitor about 10-30 min. and that go in black screen, or If you change resolution again go in black screen.
You must repair monitor or bay another.

Posted on Nov 02, 2009

budmrtn
  • 11361 Answers

SOURCE: picture only comes on for a second than goes off.

The problem can be the 18 or 24vdc power supply is bad or the backlight inverter board is bad. You need to open it up.
Service manual: http://elektrotanya.com/?q=showresult&megnev=Acer&megnev2=AL2416W%20&kategoria=&kat2=all
If you are going to DIY and have proper tools and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Posted on Jul 08, 2010

Idahoodini
  • 82 Answers

SOURCE: I use Acer AL1912 19inch

Sounds like the monitor is dying, if it starts to die more and more often you will likely have to replace your monitor before it goes completely out. There are not many ways for a user to repair a monitor, unless the problem is with the computer, which you could test by connecting a different monitor to the computer for a while (if available). Hope this helps!

Posted on Mar 15, 2011

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Hello vinodquilon,

The problem you described is more then likely related to the video processor. Possibly also some power supply issue, since the audio section is being effected also. Or this may be two unrelated problems in that case the video processor and the audio processor and amplifier should be suspect. This is how I would handle this problem:

1) Get the schematic for this TV

2) Tackle the video problem first
a) Locate the video processor connect a known video source generator (I use the Sencore VA62A) and take voltage measurements and compare them to the schematic values (For red, green, and blue), if the values are not as they should be, use and oscilloscope to look at the waveforms of the video section and compare them to the schematic values if they are not as they should be, change out the video processor. Retest the TV, this should take care of the video problem.

3) Tackle the audio problem
a) Using the audio section on the VA62A inject a 1000Hz tone into the TV and using an oscilloscope check the input to the audio processor and the output of the audio processor if you do not see a 1KHz sine wave on the output check the voltage levels and compare them to the schematic, if they do nor match change out the processor, if they do match and you see a 1KHz sine wave at the output of the processor, then check the input and output of the audio amplifier stage in the TV if there is no audio at the output change out the amplifier.

This is a good starting point, now I must be frank with you, I run a TV repair business and I do understand that you may not have , Video Signal Analyzer or Oscilloscope, and Video/Audio Signal generator, or even a multimeter to do this job correctly, so since I have told you how I would do this job and you can follow the instructions given and solve your problem, Let me advise you on what you should do,

If I were you and did not have the above equipment nor experience in electronics, I would take the TV to a qualified TV repair center and have it fixed there since they would have the necessary equipment to do the job properly.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

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