20 Most Recent Mitsubishi LT-40134 40 in. HD-Ready LCD Television Questions & Answers

Your diagnosis is correct.

Tcon board

The problem is a defective LCD Panel.

yeah get a new tv, and not a mitsubishi, they all seem to have the same prob over time. the lines mean that your picture is on its way out

Your panel is bad. Not cost effective to replace.

I am sorry to say, but your panel is defective. It would not be cost effective to replace.

This problems most likely causes by the board that call the T-CON decodering board.This board sit at the bottom at the middle of the LCD screen panel decodering the codes before sent it to the LCD screen panel for a picture.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decodering board for the replacement.

It sounds like the T-CON board or the main logic board has gone out, try cooling the T-CON BOARD first with small fan.
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

The lamp is not enabled possibly due to the colour wheel motor not turning. Any broken glass jamming it? Or the lamp ballast has failed due to an old/worn lamp.

Most likely you need to replace the projection bulb. You can find them online. DLP sets are famous - or infamous - for burning out the bulbs/lamps.

Your Mitsubishi VCR HS-U580 looks to have a problem with the information rollers and drum. Here are some things to check: Look for something blocking the VCR or cassette compartment that would possibly be stopping the guide rollers. Check the belt that drives the VCR mechanism. If it is loose or broken, you may also need to substitute it. Clean the video heads using a head-cleaning cassette to make certain they're not dirty. See if the drum motor is working. If it is not spinning, there may be an issue with the motor. If the trouble persists, it's an exact idea to get assistance from a professional technician or contact Mitsubishi's purchaser support for advice. Be cautious when dealing with electronic devices, and if you are not certain what to do, it's great to get assistance from an expert.

i think finding a downloadable service manual for your Mitsubishi HS-U580 VCR might take some searching, but here are a few options: Check the official Mitsubishi website's support section. They might offer downloadable manuals for older models.Many online appliance parts stores like RepairClinic or AppliancePartsPros stock service manuals for various brands and models. Search for your specific VCR model to see if they have it available.Websites like ManualsLib or iFixit sometimes host user-uploaded service manuals. While the availability and quality can vary, it's worth checking. If online options fail, consider purchasing a physical copy of the service manual from online marketplaces like eBay or Amazon. Remember, some websites might charge a fee for downloading manuals. Always be cautious of suspicious websites and download from reputable sources.

http://www.manualsonline.com/support/mitsubishi/vcr/manual-262223 Try this site for your manual

You can purchase a replacement power cord for your Mitsubishi model #LT-55164 from TVserviceParts.com. The part number for the power cord is 246C638010 and it costs $18.40.