replacing circuit board in dometic 7030.

[jvicars4]

i am about to go on a long trip and during my last adventure i noticed
that on gas the refer (dometic 7030) was not cooling enough. in the
past i just replaced the old circuit board and it fixed my problem. i
am trying to find the circuit board on my refer. i have a off set isle
coach and the refer vents below the coach therefore i dont have access
to the back of the refer. i have looked all over and cannot find the
access. The back of the refer buts up to the shower. Help. Is there an
easy way to access this circuit without taking the enough refer out?

Jamie
1995 pt-42
off set isle
Florida