hi , how have you powered this pedal to test it?do you use the offical boss/roland power supply .have you tried a battery ? i ask this as I have a pedal (a marshall vibratrem )that is very choosy about what power supply it works with. It would power on , showing its red light and even with
some adapters let a guitar signal pass through it unaffected without adding its own effect to it .
Yes I did read what you said about the burn marks on the chassis and pcb before you ask

, but without any pictures to see , to my minds eye it could be a light burn (where things might still be working, i have a few things like that

) or as you are suggesting it is job of replacing the bits mentioned.
So if you havent tried a battery, do so to see if the pedal is being gay or not .Also a few photos of it would be good for those of us like myself who don`t own a ch -1 to see the parts you mentioned to see what values/type they are
