Question about LG Televison & Video

1 Answer

My LG 50PJ350-UB PLASMA TV DOES'NT TURN ON BUT MAKES A TURNING ON NOISE

Posted by BOLIVAR ESQUIVEL on

Ad

1 Answer

francoise cleofas

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Genius:

    An expert who has answered 1,000 questions.

  • LG Master
  • 2,432 Answers

Check for bad capacitor in the power supply board and then check shorted component parts at the sustain board.

Posted on Aug 31, 2012

Ad

2 Related Answers

SD Tech

SD Tech

  • 14553 Answers

SOURCE: My LG TV 50PJ350-UB TV KEEPS POWERING OFF IMMEDIATELY AFTER I TURN IT

I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.5_21_2012_12_05_46_pm.jpg5_21_2012_12_06_06_pm.jpg

Posted on May 21, 2012

Ad

Rossiel Gomez

  • 517 Answers

SOURCE: My LG TV 50PJ350-UB TV KEEPS POWERING OFF

Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Posted on Oct 07, 2011

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Hi I have LG PLASMA 50PJ350-UB TV that has developed these 2 small vertical lines on left side facing tv I cleaned the ribbons on the side not the bottom. (Assuming the side is for horizontal)pls help


The Tcon board of the LCD panel is faculty. Can confirm by replacing the TCON board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

May 08, 2016 | LG Televison & Video

1 Answer

My LG Model 50PJ350-UB plasma tv comes on for


Short circuited board/s at it. Contact the authorized service center. 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/

Sep 04, 2014 | Televison & Video

1 Answer

My LG 50PJ350-UB plasma tv turns on for about a minute then makes a clicking noise like you've hit the power button and turns off. When that happens I have to unplug it for a while before it comes on and...


Check the sustain boards for short circuit. Short circuit protection section activates now.
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/

Sep 04, 2014 | Televison & Video

1 Answer

How to connect LG - 50PJ350 plasma tv to Sony Vaio laptop


Connect it with a VGA to VGA cable. For more details, download the user manual to your TV. Click here to download the manual.

Sep 21, 2012 | LG 50PJ350 50 HDTVReady Plasma TV

1 Answer

My LG TV 50PJ350-UB TV KEEPS POWERING OFF IMMEDIATELY AFTER I TURN IT ON


Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Oct 06, 2011 | LG 50PG6000 50 in. HD-Ready Plasma TV

Not finding what you are looking for?
Televison & Video Logo

Related Topics:

3,558 people viewed this question

Ask a Question

Usually answered in minutes!

Top LG Televison & Video Experts

Muntejaya Ginting
Muntejaya Ginting

Level 3 Expert

10422 Answers

The Knight
The Knight

Level 3 Expert

76416 Answers

Marvin
Marvin

Level 3 Expert

85239 Answers

Are you a LG Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...