max77Working on a unit with liquid damage in the area of MAX77620A, and some of the caps around it are shorted to ground. Wondering how to confirm whether the chip is bad, and how difficult that chip will be to replaceif a stencill. View the l for the Hoover Max Extract 77 SpinScrub here, for free. This l comes under the category vacuum cleaners and has been rated by 2 people with an average of a 7.8.