My Sony TV Has No Picture, Only Sound: Which Circuit Boards Are Faulty?
A Sony TV that has sound but no picture is often suffering from a failed T-Con board, power supply board, backlight system, or main board rather than a completely defective...
Blog
My Sony TV Has No Picture, Only Sound: Which Circuit Boards Are Faulty?
-
Troubleshooting a TV With No Sound: Signs of a Faulty Main Board
If your TV displays a perfect picture but produces no sound, the issue is often linked to audio output settings, HDMI connection problems, outdated firmware, external sound devices, or a...
-
My TV Has No HDMI Output: What It Means & How to Fix It
If your Smart TV displays a "No Signal" message or stops recognizing HDMI devices, the problem may be caused by a damaged HDMI port or a failing main board rather...
-
How To Fix An LG TV With Screen Flicker: A DIY TV Repair Guide
If your LG TV screen is flickering, flashing, or experiencing unstable brightness, the problem may be caused by incorrect picture settings, HDMI signal issues, a failing power supply board, a...
-
My TV Freezes Up: Which Circuit Boards Might Be Faulty?
If your Smart TV keeps freezing, lagging, responding slowly to the remote, crashing during streaming apps, or becoming stuck while navigating menus, the problem may be caused by software, Wi...
-
Using a Multimeter to Diagnose a TV: Why Voltage Testing Does Not Always Identify the Bad Circuit Board
When diagnosing a TV that will not turn on, has no picture, power cycles, or shows other hardware symptoms, multimeter voltage testing can be useful, but voltage readings alone do...
-
My TV Has Lines Across the Screen: What They Are & How To Fix Them
Understanding the difference between horizontal and vertical lines on a TV can save DIY repairers significant time and money. This guide explains how horizontal lines are typically caused by permanent...
-
My Sony TV Is Power Cycling: What It Means & How To Fix It
If your Sony TV keeps turning on and off, gets stuck on the Sony logo, or repeatedly restarts during startup, you may be experiencing a common issue known as power...
-
My TV Has No Picture, Only Sound: What It Means & How to Fix It
When a television produces sound but the screen remains black, the culprit is often a failed backlight, power board issue, T-Con board malfunction, or defective main board rather than an...
-
My Insignia TV Went Out After A Power Surge: A DIY TV Repair Guide
If your Insignia TV stopped working after a lightning strike, power outage, or electrical surge, the damage may be limited to one or two replaceable circuit boards rather than the...
-
My TV Has A Blue Tint: Which Circuit Boards Might Be Faulty?
Wondering why your TV picture looks blue or why your screen suddenly displays nothing but a blue background? This in-depth DIY TV repair article explores the key differences between a...
-
Screen Distortion On LG TV: Which Circuit Boards Might Be Faulty?
If your LG TV is displaying screen distortion such as vertical lines, flickering images, color abnormalities, ghosting, image tearing, or partial screen failures, the problem is often linked to a...
-
Lightning Strike TV Damage: How to Repair My TV After a Storm
If your TV stopped working after a thunderstorm or power outage, a damaged circuit board may be to blame. This DIY TV repair guide from TVpartsToday, proudly known as the...
