Top 20 LG RU-42PX10 42 in. HD-Ready Plasma Television Questions & Answers

Try opening up the unit and cleaning the contacts and bottom of the buttons with a q-tip and a bit of rubbing alcohol. Over time the oil from your fingers gets inside and creates a film between the contacts and the button so the circuit will not complete and your buttons stop working.

This problem isn't a capacitor issue .Its a Y-sus issue or a panel issue you need advanced help to solve this .

If the screen goes black while you still hear the sound playing, then it is time to send in the technician for repairing.

http://www.tv-repair-solutions.info

Psu problem replace and you should be fine

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 stage 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. Viewing it in "Mosaic" or "Magazine" will make surf easy. http://electronicshelponline.blogspot.com/ Blinking codes details to many popular brand TVs are given. Surf the site with patience.

http://tv-repair-solutions.info/

Main board should be troubleshoot. Contact any service technician. 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/

You have to open the TV, and look for it at its main power supply regulator board. There is no fuse; outside it. Gopakumar Gopalan Google

If you have sound, it is usually a bad Ysustain board, check for an open fuse on the big board on the left. If bad Zsustain board (right side) you usually can see a very faint picture

Check its main power supply regulator board, and make sure all the voltages are generated by it, which supplies the main board. If you wish to get some details, check the site linked here. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

Delay in turning on is mostly caused by weak and defective electrolytic capacitors in the power supply board. Most of the times they are easily recognized by their bulged top. Some times one has to hunt for them. If one can do it, it is a simple job. Good luck to you.

There is no repair than replace the screen, if it is broken.

system has a short some were. it could be an inverter board or main power board not working properly . when you switch it on does it click at the back of the tv... ?

Sounds like a panel fault. Make it sure. Check this link. There are illustrations to plasma TV screen fault. <http://electronicshelponline.blogspot.com/>

There are so many reasons for this fault to Plasma TVs. It is impossible to describe all here, as I might type for an entire day to describe all of them here. If you wish to get more details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by type in the model name to your set in its search box, or view it in Mosaic /Timeslide option.

Can you post a picture of the present screen to your TV? If so, it will be more helpfull to detect the fault. A blue-back screen with no video will be more helpful Set the TV to Av mode, and take the photo.

It sounds that the Va / Vs voltages to panel has gone out of its range. Check these voltages. If you wish to get more details about these voltage settings, check this link.

hello i have a 42inch plazma pdp42v6 check all caps ok all board ok sound ok but no picture can anyone help me fix this problem please