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I have a 32 inch sanyo model number DP32640 and when i plug it in no lights come on and the screen is black... any suggestions how to fix it

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If sound is OK, the problem is with its back-light inverter board. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
If audio too is not present, the main power regulator board is fauly.

Posted on Nov 23, 2014

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Posted on Jan 02, 2017

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SOURCE: HDTV 42 inch Plasma Sanyo model DP 42746

the picture is very dark

Posted on Jan 24, 2008

  • 1 Answer

SOURCE: Wanted: 32" Sanyo LCD replacement screen (compatible)

take apart the lcd and find the lcd panel number then email patel150@gmail.com to buy a new panel from a factory in china
then put it all together

Posted on Apr 17, 2009

tvservice306
  • 458 Answers

SOURCE: I have a 32 inch insignia tv and the screen went

MAY BE BAD MAIN BOARD
http://bestbuy.partsearch.com/PartSearch.aspx?PartNumber=756TQ8CBZK027&x=35&y=13

Posted on Aug 17, 2009

  • 135 Answers

SOURCE: screen went black on my 42" sanyo model dp42647 lcd

Hi there! The panel may be in protection mode. The Inverter board is the most logical area to start after checking power supply Voltages.(5,6,24 and 13Volts). There may be coils on the Inverter Board which have bad soldering or faulty. Other than this it may be main board which controls switch on or off. If all else fails, refer to a repairer. Beware of High Current!!! Best Wishes and Good Luck, Jus004

Posted on Aug 23, 2009

jan mczeal
  • 632 Answers

SOURCE: green light is on but screen is black

It's either the backlight lamp or backlight inverter is busted due to a power failure or fluctuation. Here's how to determine which is which:

  1. Grab a flashlight.
  2. Turn on the TV.
  3. Shine the flashlight onto the screen.
  4. If you cannot see any display even a faint one, the backlight inverter is dead, else the backlight lamps are busted.
  5. Replace which ever is the culprit.

Posted on Sep 26, 2009

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The screen on my sanyo 32 in dp32640 has lines on one side of screen and looks like color is going out?! Any ideas on this..


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/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

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My mom has 32 inch Sanyo vizio tv, er32647, she bought less than a year ago and now ion the lower left hand cirner there is a pink line that goes up the , about an inch long muy husband said it was a pixel...


Hello williskathy2,

This might be a problem with the circuitry of the screen driver. what happens is the one of the drivers in the display matrix IC goes bad and it can not fire that one string of LCD elements, and this creates the line that you see. Since the line is pink, I would say that the driver is incorrectly firing the string of LCD elements. I would suggest that if you have a background in electronics you check the voltage levels on the display driver IC and the connection to the screen. If you do not have a background in electronics I would suggest that you have a qualified TV technician fix your problem.

I hope this helps,

Shuttle83
www.electron-age-technologies-llc.com

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