Can be clearly seen in the video at 2 minutes 5 seconds.

This along with the TX81Z was heavily used during the writing of the Technique album 1989.

It is most likely this equipment belonged to New Order rather than just Peter Hook.

At some points during the 1980's, Kraftwerk used:

• NED Synclavier
• 1 Yamaha TX816 synthesiser
• 2 Atari ST computers

(Regarding the creation of the album Flat Tire)..

Holdsworth went back to his trusty SynthAxe, an expensive synthesizer controller he and many other guitarists swear by. He didn’t have his Oberheim analog synthesizers for those “fantastic string sounds,” just “a bunch of Yamaha TX7 and TX816 digital synth modules,”

In a 1986 issue of Japanese Keyboard Magazine, there are multiple photographs of Tony Banks' rig from the Invisible Touch tour. Among these images is a picture showcasing Tony's rack synths and effects, Yamaha TX816 can be seen on the left underneath the Roland SRV2000.

Used on Perfect Machine, as specified in Herbie Hancock’s Electronic Instrument Glossary from September 14, 2016.

Yamaha TX-816 – A digital synthesizer that takes its form as a rack unit simulates having eight DX-7s in one. This allows a musician to store and carry as many sounds as they like without needing several instruments to create them. It also features eight audio outputs and is compatible with all other DX synthesizers. Herbie used this on his 1988 album Perfect Machine.

This Sound On Sound article states that Emerson owned a Yamaha TX816.

In the September 1987 issue of "Keyboard Magazine," the bottom middle column on page 31 mentioned that Danny Elfman owned two Yamaha TX816 modules and a Yamaha DX7II. The article was authored by Bob Doerschuk and Jeff Burger. 

Studio buffs tend to forget that modern recording studios are imposing and disorientating places for the average lay person. The technology seems to be surpassed in complexity only by military and space hardware, and Mark King's 'home' studio is certainly state of the art, as the above listing indicates. There's also a Macintosh SE30 with Performer software, an SRC SMPTE-to-MIDI convertor, Adams Smith Zeta 3, NS 10 and Tannoy DTM8 monitors, and two Otari MTR90 24-track recorders with 48 tracks of Dolby SR. Sound sources include a DX7, Roland D110 and 550, Yamaha TX816, Juno 60, Emu III and Emax, Casio CZ101, plus an Akai-Linn MPC60 workstation and a DDrum 2 drum sampler.

As if this isn't enough, Jones' collection of sound sources is breathtaking. Inhale deeply for an (incomplete) overview: Fairlight Series III; Yamaha TX816 rack; Akai S1000; Roland Super JX, MKS50, D50, Jupiter 8, Juno 60, D550, and MKS20 digital piano; Korg Wavestation; Prophet T8; MiniMoog; Vocoder VP330; Yamaha KX88 and TG77; and somewhere in a corner his old 808 drum machine. Still there?

In this interview, Karl says he had a Yamaha TX816.

This article states that Jerry's studio includes "Clavia Nord Electro 2, Clavia Nord Lead, E-mu ESI-32, E-mu Proteus 1, E-mu XP, Korg Wavestation, Roland D-550, Sequential Circuits Prophet T8, Voce V3, Waldorf Microwave, Yamaha DX7, and Yamaha TX-816. "

The insert from the Casiopea Perfect Live II record lists Minoru Mukaiya's gear used during the concert, listing the Yamaha TX-816, in which he uses 2.