I have 2 following systems:

1) Multiplex AC-11/ PT-1 tuner/ AA-100 int amp
2) Multiplex AC-11/ AJ-30 tuner/AA-100 int amp

Questions: How do I put them together?

I connect the multiflex from the tuner to multiplex input of the AC-11.
Then from the AC-11 left and right outputs I connect them to the
tunner inputs on the amp. I don't get any FM sound out of it.

If I just connect the AM/FM outputs from tuner to the amp all I can get
is AM.

Please help ...