If the tail resistor (R11) is not grounded the amp will not work.
We can help but we need you to help us do that.
Mark
https://tubeamparchive.com/files/tw_exp ... 18_635.pdf
https://tubeamparchive.com/files/trainw ... ut_151.pdf
http://ceriatone.com/images/layoutPic/t ... iatone.jpg