Question about Dynex Televison & Video

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Dynex dx-40l150a11 tv turns on and says "Please Wait" after that goes blank with no sound or video. Changed main board and power board already.

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  • Dynex Master
  • 74,118 Answers

Sounds like a software corruption. Just check it by updating its software [firmware]. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

Posted on Oct 16, 2013

  • 1 more comment 
  • Danny F
    Danny F Oct 16, 2013

    Tried changing main board because at first I believed it was a software issue also. Would not a new main board have the correct software? I tried updating software on both mainboards but nothing happens after please wait even if you have a usb memory stick installed to the USB with the correct firmware update on it.

  • Jack Munster Nov 13, 2013

    I have the same problem with my tv, did you figure out what's wrong with this tv

  • Jack Munster Nov 13, 2013

    Pls. let me know and thanks in advance !

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

dsacco86
  • 1077 Answers

SOURCE: Dynex 37'' LCD TV (DX-LCD37-09) wont turn on

The registration card may help with warranty going through the TV company. But, that's the last option.
You can fix it yourself by replacing this board. The board number should be BA71G0F01043.
e2fe413.jpg
The 8 Inverter transformer are the problem. They are on many TV power boards that are causing the same problems.
Ebay is selling a couple for $49. Good price I think.
http://www.google.com/products?sourceid=navclient&rlz=1T4GGLL_enUS311US314&q=dx-lcd37-09+inverter&um=1&ie=UTF-8&ei=oRf9SYKIG5_aswOMoPTjAQ&sa=X&oi=product_result_group&resnum=1&ct=title

If you decied to throw the board in the trash, let me know. I maybe able to help you fix it so you can have a spare board. I fixed mine that way.


Posted on May 03, 2009

  • 2318 Answers

SOURCE: Dynex DX-LCD32-09. tv was working fine, then out

This type of failure could be in the LCD controller board or the power supply might not be providing enough voltage to the main board and LCD controller.
Let me know if you require further assistance locating the boards or part numbers.

Posted on Sep 28, 2009

  • 1 Answer

SOURCE: DYNEX DX-LCD32 tv stand

Best buy has the stand you are looking for. I broke my stand the day i took the tv out of the box, darn it. $16.99 @Best Buy

Posted on Feb 02, 2010

itvrepair
  • 28 Answers

SOURCE: my lg plasma tv stays on standby

is you already change the power board,is possible
your y board is out...is a big board on the left side of the tv

Posted on May 19, 2010

  • 1 Answer

SOURCE: Dynex dx-pdp42-09 screen went black; won't turn on or off

dont really know,would you be interested in selling it lik that?

Posted on May 23, 2010

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1 Answer

I have a dynex DX-40L150A11. When turned on the please wait is displayed though not vibrant, then screen goes black. Replaced inverter board still same issue.


Sounds like corrupted firmware. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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1 Answer

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Fault with main board. Damaged component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/

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The fact that Please Wait appears on the screen that the power board is fine. I would unplug the tv for 4 hours and plug it back in to see if the same thing happens. It does appear that you need to replace the main board,

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Main board fault. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

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1 Answer

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In this case, the symptoms you describe is a faulty inverter board. The TV will or should flash "PLEASE WAIT" and then you have a black screen no audio. Find Shop Jimmy on line. Enter your TV model number. You will find an inverter board for $24.95 plus $9.50 shipping. When you remove the back cover of the TV, look to the left. You will see a long vertical board...this is what you will replace. Thanks for asking, Matt of Martins TV Repair.

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1 Answer

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Replace the TMS94481CT transformer on the inverter board. Can't miss it it is bright yellow. Part is available on EBay.

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