easy ways to fix LED TV has sound but no picture repair, watch this TV repair service troubleshooting guide. this repair Guide shows 3 easy ways how to Troubleshoot LED LCD TV by testing main logic, power, backlight LED driver boards and checking for dark picture with a flashlight. see part 2 how to fix backlight on TV, this TV repair guide works on Vizio, Sony, Samsung, Vizio, LG, GE, Hisense, Panasonic, Toshiba LED TVs. Part 2 is the TV backlight repair see here    • How to fix LED LCD TV black screen no...   (Vizio E470i repair)
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