Vizio TV keeps blowing Power Supply that has been replaced


New member
Username: Jea319

Post Number: 1
Registered: Aug-12
I have a 3 year old Vizio TV model SV470XVT1A. When I moved the TV from AZ to TX it only worked for about 45 minutes, where we heard a loud pop, saw a red, blue and green line flash and it turned of. It powered on several more times, only to power back off to eventually not power on at all. We ordered and installed a new power supply. The TV again worked for around 45 minutes before the same pop of death happened. The only turned on for about 30 seconds before powering down this time. Any ideas on what could be causing this?

Gold Member
Username: Magfan


Post Number: 2853
Registered: Oct-07
Something DOWNSTREAM of the Power Supply 'took it out'.

You need to troubleshoot to 'first cause'......the PS self destructing was apparently just a symptom.

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