This problem is caused by something called a YSUS board going out. You can buy the replacement parts for about $300 dollars or there is a company that will fix the YSUS board. I don't have instructions yet for removing the YSUS board, but if you've got the skills or know someone who's good with electronics, you can fix the board for about $120.
I've got the same problem with my 42 inch plasma TV.
I called PTS Electronics today at 812-824-9331 (their website suggests you call 800-844-7871). I spoke to Kelly. She was very helpful, but said anybody at their number can help.
Kelly said that you do not need to call first to get a return authorization. To get the YSUS Board fixed, you need to remove yours and send it to the following address:
2000 S. Liberty Dr
Bloomington, IN 47403
When you ship in, you should include a letter with the following information:
Your Mailing Address
Your Phone Number
Payment info for the $122.60 to repair the board. If you want to pay with a credit card, note that in your letter and that you want them to call you. They'll call you to get your credit card info when they receive your board.
She suggested shipping via UPS and insuring the part when you ship it.
I learned some new things when I spoke to her. If you'd prefer to replace the board in your printer, you can use one of the following alternate parts to replace the YSUS board:
Part made by LG - part #6871QYH053A
Part made by LG - part #6871QYH053B
Part made by Toshiba - part #75003031 http://www.moduslinkptstvboards.com/75003031-P6096.aspx
Out of the three alternate replacement parts, the only one they currently have available is the Toshiba part. They have it listed at $254 (I thought Kelly said $268 - maybe with shipping?) with a core value of $65 that you'll get back if you ship them your broken part. That leaves you paying roughly $200. Having them fix my part seems like a better option to me. Kelly also said that all these parts for the HP TV are refurbished parts - none of them are new - that's why they want you to send them your broken part.
Link to PTS website with information about ordering 1032298-HS (http://www.moduslinkptstvboards.com/1032298-HS-P1628C13.aspx
). They currently have 0 available for sale. The message on this page tells you to contact them to arrange repair using the information provided above.