Groaning sound when powering on colors are wavy. power off and back on and picture is good for 1 hr or so.when powering off groaning does not stop. unplug power and it stopd

Hello. When the picture changes color after warming up, chances are that the color wheel is defective. If you get close enough, you might be able to hear a whining sound. If you do hear a whining sound, you definitely have a bad color wheel. Some color wheels are still available from Mitsubishi. Good luck!

If the lamp is new and good to go then you may have to reset the lamp replacement counter in your setting menu. When that is set back to zero you wont have a problem until it is time for a new lamp again.

Ur tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignments anywhere in the pictures,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

This tv have a colors wheel,it dying,now it dead.Colors flashes black&white and grinding noises,the colors wheel was spinning off of it motor axis and rubbing it sides wall.The colors wheel,now require changing to make the tv work again.The colors wheel it pretty hard to replaced,because it require take out many machanicals parts even can get to the colors wheel to replaced it.Best it to hire a tv tech. to do the job.If u never done or change anythings,that require take out alots and many machanicals parts before.

the lack of sound is likely due to a defective audio output amplifier integrated circuit or IC for short, it needs replacing, the wavy lines through you picture is due to a defective filter capacitor in your power supply circuit, or may be due to the audio amplifier I.C drawing more current from your power supply causing a non clean power to be supplied to the video circuits, have the audio amp replaced first and note if the wavy lines are still present if so it is likely that some filter capacitors need replacing, to obtain sound you might be able to connect a external amplifier like your home stereo using the aux input and the sound output from your TV`s RCA jacks, this works well, let me know if you need further assistance good luck

Projection TV sets have two very common problems listed below.

Problem #1) Convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

part of it sounds like your coax cable is not connecting properly. pull it out and make sure the pin at both ends of the coax cable is straight if bent replace coax cable.

Dan i recently had one of these in the shop and discovered a problems with blown capicitors in power supply.. however the low pitch groan indicates a fan or what is known as a color wheel. if this motorized part does not reach speed the lamp will not fire. replaceing the color wheel is not an easy task.

Sounds like the tuner is going.

The problem you have is on the hyper module located behind the rear input panel. Inside the shield there are about 6 or 7 10mf/16v surface mounted capacitors. Replace them and your problem will be history. As for the shop that did the repair they owe you a call back to do it right. However, request that you get a different tech to come out. Do not attempt the repair yourself, it involves excellent soldering skills and parts removal. Good luck