ATS-500 synchronizer & IF-500 parallel interface

[Tangled in a tape]

¡Hi!
I need a diagram, scheme, pinout chart, map, drawing or any info about the interconexion cables, conectors and signals between
A) the ATS-500 sychronizer and the IF-500 parallel interface .... (named "ATS-IF cable" in the "ATS-500/IF-500 Owner's Manual" page 35.)...
B) the IF-500 and the MS-16 and/or 85-16B

can somebody help me?

 

[wkrbee]

You can suss it out from the Service Manuals.

 

[bgencarelle]

The problem is that there are no manuals ANYWHERE for the ATS-500.