How to Troubleshoot a Mitsubishi DLP TV

By Eoghan McCloskey

HDTVs of all varieties -- Digital Light Processing (DLP), plasma, 3D, LCD -- charge a hefty price for the superior picture and sound quality they can deliver. One way of protecting your investment in your Mitsubishi DLP TV is to learn some basic troubleshooting skills to use when it has problems. Whether the trouble is poor picture or audio quality or a more serious issue such as failure of the TV to power up, you can save valuable time and money by diagnosing some simple problems yourself.

Step 1

Power on the device you are trying to watch, and check the audio/video connection cable that attaches the device to the Mitsubishi DLP TV if there is no picture. If audio/video connection cables are even slightly loose, you may see a blinking picture or no picture at all. Once the cables are secure, make sure the device is powered on, and make sure the TV is tuned to the input channel the device is connected to.

Step 2

Check audio settings if you are not getting any sound on your Mitsubishi DLP TV. First, unmute the TV by pressing the "mute" or volume up keys on the remote. If there still is no sound, make sure MTS or SAP is disabled by navigating to the "Audio" section of the TV's main menu (this part will vary slightly depending on what model of Mitsubishi DLP you use). Disable MTS and/or SAP if they are activated. If you have these options activated while watching a channel that does not support them, you will hear no sound. If this does not resolve the issue, the TV's audio components may need to be serviced.

Step 3

Check the AC power cord connection. Many Mitsubishi DLPs are built so that the power cord can come loose from the back of the TV as well as from the electrical source, so check that both ends of the power cord are firmly connected. Test for an electrical problem in the home by temporarily plugging the TV's power cord into a different electrical outlet. If there is still no response from the DLP, its power cord may need to be replaced, or the TV itself may need to be serviced.