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Dynex dxlcd42hd09 Screen is black but power is on and sound works. How do I get the screen to show the picture?

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6 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

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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: power button is green - no blinks / no picture / no sound

Unplug it from the wall, wait 2 minutes and plug it back in. if problem still exists, its probably the main pcb.

Posted on Aug 21, 2008

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budmrtn
  • 11361 Answers

SOURCE: dynex tv no picture screen comes on and then goes black

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. Look for 5vdc, 12vdc, and 24dvc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Dec 18, 2009

SOURCE: My HCT tv screen is black and no picture will show

I see this sort of thin often in my shop, however unfortunately, this is only a SYMPTOM, the "Cause" unfortunately, can be, and are Many and Varied. usually it has to do with the Voltages being wrong, often involving the Power Supply, and High tension section. There is no realistic way to repair a TV of this sophistication, in house.The tools, equipment and the need for a service manual and experience to repair is considerable. Plus when faulty, a TV can cause a fire or an explosion, so it is owed to all, that it be professionally attend to, as if a repair was done, incorrectly and there was such an event. it would be very bad for the repairer. It is my professional recommendation, that you get a free "Quote" for a repair. This way you can make an informed safe decision to repair or replace.

Posted on Mar 27, 2010

SOURCE: Black screen, no picture, sound = yes

http://www.scribd.com/doc/26366292/Philips-q528e-Service-Training-Manual-Part2
use this training service manual to troubleshoot and isolate the problem. So, it is nearly always my professional opinion that one should always get a "Quote" from the manufacturers recommended service center, I cannot stress how important that last point is. It is even worth the cost of shipping. you see an authorised service agent, will have trained staff, trained on their brand, also they have first hand access to parts, original parts. This will actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives on the option of repair or replace. Often my clients,do not go through with repair, unless it is moderate, but in some of the more costly jobs they see it, as do i, that a replacement, with a warranty, is a better option. As an aside here, one could then tear the TV down, and sell the Known Good bits. You'd be surprised who needs parts, i myself often must by from third party sources to effect a repair. So money could be recouped, somewhat,and help out someone else

Posted on May 08, 2010

alpug
  • 1961 Answers

SOURCE: I have a dynex 32 lcd and in the screen has all of

open the back cover of you tv you can see the power supply there.using a multitester measure the output of the power supply wether there is 5 volts output...check the connectors specially the RGB fit them to the terminals...the power supply outputs are 5v,12v,and 24 volts if one of them is missing replace the power supply..

good luck!!hope this help you..

your rate is important to this help.tnx..

Posted on May 21, 2010

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1 Answer

When the TV is plugged in the screen is black,little red power light bottom right corner blink 5x then you hear the sound of power on pause then power off. This continues to repeat and no picture.


Repairing Flat Screen TV - Blacked out with blinking red light

? 12:00
https://www.youtube.com/watch?v=3GmtBthpzDk
Mar 15, 2012 - Uploaded by n1bpd
Repairing Flat Screen TV - Blacked out with blinking red light ...Capacitors are little cylinders with a flat top with an X. If they have failed the X .... picture, no sound, totally black just the red power light blinking on the corner ... hello i have a dynex dx-lcd42-09 the red light blinks as soon as i plug it in i opened ...Missing: 5x

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1 Answer

Dynex tv no picture screen comes on and then goes black


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. Look for 5vdc, 12vdc, and 24dvc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Dec 18, 2009 | Dynex 32 in. LCD Flat-Panel HDTV

2 Answers

Power button is green - no blinks / no picture / no sound


Unplug it from the wall, wait 2 minutes and plug it back in. if problem still exists, its probably the main pcb.

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