Question about Proscan Televison & Video

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Why isn't my tv getting power?

I was given a Proscan LED TV and when I went to turn it on for the first time there was absolutely no power. Meaning the standby light didn't even come on. I tried many different outlets, that is not the problem. I am not sure which part to replace to get it running.

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Posted on May 11, 2017

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Check the AC mains cord. If it is OK; The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Apr 19, 2017

Testimonial: "Thank you for your reply! How do I check the AC mains cord? Will there be something visibly wrong with it or do I need to test it somehow?"

  • Anonymous Apr 19, 2017

    "Thank you for your reply! How do I check the AC mains cord? Will there be something visibly wrong with it or do I need to test it somehow?"

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Posted on Jan 02, 2017

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1 Answer

My Proscan 50 LED TV PLDED5066A-E picture totally went out, but the sound is normal for each station. Do I need a new power supply?


In most of the case, the problem is defective LED back lights strips.

You may try a new power supply first.

Aug 18, 2017 | Proscan Televison & Video

1 Answer

Proscan LED TV Will power up the red standby light & standby on amber when turned on but does not show picture or sound unless I unplug and replug over


Fault at its main digital board. Short circuited 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://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Feb 14, 2016 | Proscan Televison & Video

1 Answer

I have a proscan PLED5529A 55 inch tv the picture just went off and no audio so i shut it off. I waited about 10 mins and tried to turn it back on but it just did this blinking thing and after a sort


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

Nov 23, 2014 | Proscan Televison & Video

1 Answer

My proscan tv has the blue light but wont turn on


Most likely it's the power supply board that went out. (part of it still works is why you get the blue LED when you plug it in.)

If you decide to try to fix it yourself, BE CAREFUL! The power supply board has capacitors that can hold high voltages for many hours after the TV's been unplugged.The equivalent of sticking your finger in a light socket.

You'll need the part number off the power supply to get a replacement.

May 31, 2012 | Proscan 42LA45H 42 in. LCD TV

1 Answer

Proscan 42LA45H 42 in. LCD TV won't turn on, no red led when plugged


The power supply is the most likliest cause of the issue. You can get replacement power supply from www.tvcircuitboards.com

Mar 02, 2012 | Proscan 42LA45H 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

2 Answers

My proscan TV was working fine. then the video went and now no audio.. it lights up briefly when u turn on. then screen goes dark.. is this fixable or better to get a new tv..It is only 3 years old


I believe it's fixable! Take a look on your video and audio cables (behind the TV, the red, yellow and white ones). They must have a problem. Already happened to me!
I hope I've helped...

Feb 14, 2011 | Proscan 42LA45H 42 in. LCD TV

6 Answers

Comcast remote won't accept codes for Proscan TV


I had the same problem. I have the 40 inch Proscan and they supplied a remote control guide for comcast. It was only 4 digits and it did not work. I called Comcast and they did not know. I found it needed 5 digits so I added a 1 and it worked The code is 10178. Hope it works for you.

Jul 21, 2009 | Sylvania LC420SS8 LCD TV

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