HP E4220B Portable 7-Slot VXI Mainframe - Spares Or Repair

This HP E4220B Portable, 7-Slot VXI Mainframe is untested, as we are unable to do so in our workshop environment.
Cosmetically this unit has some minor marks and scratches.  
Unit is missing main controller and will not power up
This unit includes cards:
HP E4206A
HP E4209B
HP E1610A
HP E1616A
HP E1697A