The relationship between the various hardware modules of the Torrent DHE is shown here in the DHE interconnect diagram.
The controlled grounding scheme for the Torrent DHE can be found here
Torrent DHE Hardware Description Guide - Covers all Torrent electronics.
TRNT-AD-08-0007 DHE Hardware Description Rev 1.1
The pages below provide access to the schematic and assembly information of the Torrent hardware modules.
The information on these pages is generally arranged as:
Bill of materials
Firmware loader products
Note that to use this information for your own purposes (i.e. build it or use it as the basis of a new design) you must agree to the open source license agreement. The license terms can be found here.