LG 42PC3D 42 in. Plasma Television - Answered Questions & Fixed issues
There is a scratch on the screen and it's getting
Unfortunately it is NOT a "Scratch"... actually it is one of the "Row Driving IC's" that is failed/failing, this will only get worse and eventually it will get more & more. Worst of all there isn't anything that can be done, sorry.
I have an lg plasma tv
Never had that model but had other similar models do that when dust shorted out the High Voltage section.
I suggest clean it out with a gentle vacuum and an upholstery attachment. First check to see if set is under warranty.
Unless you are checked-out with high voltages suggest have a qualified tech test and do this for you.
I have a LG 42 inch plasma tv model 42pc3d....the
Hello Tiangston9.
These plasma TVs have a common failure with the Ysus boards, more specific an IC that is underneath the big heatsink. The capacitors in the power supply became defective as well.
Check the link to find parts to fix your TV.
What is a fly-back?
It's a blank line used in the times of CRT televisions, and used for the transmission of ceefax data.
When i turn on my lg plasma flat screen tv the picture comes out very faint and i cant ajust brightes
Souunds like main power regulator board fault. 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. Surf the site with patience. 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.
NO PTCTURE BUT I HAVE SOUND
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. Viewing it in "
Mosaic" or "
Magazine" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Can't change Aspect Ratio
Check the settings on your laptop to make sure it is outputting a resolution that the TV will support.
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