The Capacitors are found in the PA UNIT board, behind the external speaker connector in a relatively easy place. The job requires cautiousness because the components dislike static and excessive heat. This modification works, if the radio isn't already modified with the modification, which puts 2m front-end in use in frequencies above 144MHz. At Least My unit worked well with this modification. Because you are intelligent, wise and quite correct.
Earth is a great, big funhouse without the fun.