Hi, I have been looking though the posts, trying to diagnose the fault with my Vizio D58U-D3. When turned on, the screen remains black. Mistake #1- Never connected an antenna to see if there was any audio. There is nothing displayed on the screen using the flashlight test, but the status light illuminates and goes out. Mistake #2 Never noticed the optical audio out port illuminate until after I repaired the set.
Looking at the power supply board (CAN00), with the TV ON, I never got any voltage on the LED out but the 16 volts to the main board was good.
Occasionally, the set would...

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My name is Jack and I am an Electronics Junkie. I am a Ham Radio operator and have been messing around with electronics since high school (many eons ago).
I love the challenge of repairing something and if there are no schematics, even better.
My first LCD TV repair was replacing LED strips. The next was repaired using an E-Bay replacement power board. Seamed like a “cop-out” not troubleshooting down to the component level.
I first found Badcaps in reading Bud Martin's “Basic LCD monitors and Troubleshooting...