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Can I use backlight board from sanyo in proscan tv?

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You have to find the exact specifications and comapre them, and if the main parameters match you are fine.

Posted on May 14, 2017

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50 in proscan led tv powers on then has black screen but can see screen work with flashlight


Your backlighting is no longer working.
With a LED TV it's an array of LED's that light it, in an LCD TV it's fluorescent bulbs that do the backlighting.
There's a chance it's the power supply board that's bad, unfortunately, it could also be the backlighting itself.
You'll need an expert to look at it to make that determination.
If you don't know Electronics, don't open it up yourself! There are hazardous voltages even in flat screen TVs. The hazardous voltages are there even when the unit is unplugged!

Jul 17, 2016 | Proscan Televison & Video

2 Answers

50" proscan led tv new main board but still same issue....


Check whether the control voltage comes to the inverter section cirlcuit at its power board; from the main board. There is a control voltage that controls the light intensity; as well as start, of the inverter section circuit at the main power regulator [SMPS]. It should come from the main board. It this voltage is absent, the main board is faulty. Check whether it is present or not. It will be best to contact any service technician in this case. 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/

Apr 02, 2015 | Proscan Televison & Video

1 Answer

Location of inverter board on sanyo dp42841


You will have to take off the back of the TV set to reach the board. The board looks like the one at; http://www.shopjimmy.com/lg-6632l-0604a-backlight-inverter.htm

Try the video also.

Jun 08, 2014 | Sanyo 42 in. LCD TV

1 Answer

Tv powers up and after a couple of seconds the backlighting goes out and the tv stays on.


The control voltage to backlight inverter board, from the main digital board cuts OFF, after the booting is over. In most cases, a firmware update might help you. Contact the authorized service center for Sanyo. If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts. Check the site in 'Mosaic' view. It will make search easy.

Jan 04, 2014 | Sanyo 42 in. LCD TV

2 Answers

When i turn proscan tv on it automatically turns off(just turn on for less than secon


OK I Have a 40" Proscan 40LD45Q
had the power problem when you turn it on it would flash and then cut off again.
after checking I found that the transistor on the power board was bad.
Its one of the 2N4401 transistors found on the cold side in between the
cluster of resistors and and mosfet heat sink. kind of hard to get too
but replaced it and tv works great now.. $1.19 at radio shack for the part.
Hope this Helps ..
By Lynn

Feb 22, 2012 | Proscan 40LD45Q TV

1 Answer

My new 55in sanyo lcd tv has sound but no picture. The tv is one week old. Is the problem the backlight or something else?


Tv only a week old take it back were u bought it,trade it in for another tv.Tv have a picture than flashes only a few sec. than died have sound left only?Yes,than those tv 2 long LCD inverter boards are dead.These tv 2 long LCD inverter boards are only to help the tv to have a backlight for tv LCD screen panel only to produced pictures.

Jul 14, 2011 | Sanyo DP46849 46 in. HDTV

1 Answer

I have a red light flashing and no picture


More likely to have failed backlight inverter board that just about impossible to get. I had to modified LCD monitor backlight inverter board to get it to work with this TV.

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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

Jul 22, 2010 | Proscan 19LA20Q LCD TV

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