Replacement parts for common symptoms.

Use this guide to help determine which part or parts to replace in your TV based on your symptoms. If your symptoms are not listed below or you need more personalized help, please email or call 1-800-203-7484 Monday through Friday 8:00AM - 4:30PM CST.

Common Symptoms Possible Solution (*SEE DISCLAIMER*)
 You can hear sound but have no image on the screen.  *****WARNING: Perform Flashlight test to determine if you have an image***** Main Board or TCON
You have an image on the screen but have no sound. Main Board
HDMI inputs not working. Main Board
No digital signal/no channels found Main Board
Inverted image. Main Board or TCON
Double image. Main Board
Solarized image/distorted image. TCON or Main Board
Vertical lines. TCON or Main Board
Image only appearing on half of the screen. TCON or Main Board
Moving or jumping lines. TCON or Main Board
No power/dead set. Power Supply or Main Board
TV turning itself off randomly. Power Supply
TV power cycling/turning itself on and off repetitively. Power Supply
Strange squealing noises coming from the back of the TV. Power Supply

This list is intended to guide you in right direction when deciding what parts to replace in your TV. Some symptoms can be caused by issues that are not listed in this guide. TV Parts Today is not responsible if you are unable to fix your TV using this guide. If you have any questions, please contact us before ordering parts.

When emailing us at please list all symptoms and attach clear photos of:

  • The barcode labels on your board(s)
  • The model number label on the back of your TV
  • Any serial numbers or service codes you can find on your TV

Our team will respond to your email as soon as possible, usually within one business day.

TV repair technicians: If you have any repair tips to add to this guide or corrections that need to be made, please email us. We welcome any and all feedback.