[Jukebox-list] 100B selection issue

After further testing this is the pattern. I hope somebody can offer some insight

A1,2,3,4 work A5,6,7,8,9,10 do not

*B1-10 Work*

C1,2,3,4 work 5,6,7,8,9,10 do not

*D1,2,3,4,5,6,7,9,10 work* D8 does not

E1,2,3,4 work E5,6,7,8,9,10 do not

*F1-10 all work*

G1,2,3,4 work G5,6,7,8,9,10 do not

*H1-10 all work*

J1,2,3,4 work j5,6,7,8,9,10 do not

*K1-10 work*

Regards Rick