This is a partially disassembled Triton Pro. The layout is the same
as a Triton or a Triton Le.
Triton Disassembly Repair Story shows the steps leading up to this
We have to remove either the Left or the Right Button Board, or both, in
order to remove and replace worn-out tactile switches.
We'll start with the Left Button board. First we have to remove the Analog
PCBA (printed circuit board assembly)
directly above it.