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Nuovi modelli 19" e 27" furono introdotti, così come i più piccoli 7" portatili. Nella metà degli anni '80 un nuovo rivestimento a fosfori più scuro fu introdotto, dando un'immagine ''black'' a TV spento, al posto del grigio prima serie. I primi modelli furono con ''case'' color argento, ma con l'avvento dello schermo nero, introdussero nuovi ''all-black cases''; così come avvenne anche per i sistemi [[Hi-Fi]] dell'epoca. Crearono i 32", 35" e alla fine un 40" negli anni '90.
InNel 1980 Sony introduced theintrodusse "ProFeel" line ofin prosumerambito componentprofessionale; televisions,Trinitron consistingmonitor ofcollegabili a rangesintonizzatori of Trinitron monitors that could be connected to standardized tunersstandard. The originalIl ''lineup'' consistedfu ofcomposto thedal KX-20xx1 20" ande KX-27xx1 27" monitors (the "xx" isfu anun identifieridentificativo, PS forper Europe, HF forper Japan, etc.) the , VTX-100ES tuner ande TXT-100G TeleText[[Teletext]] [[decoder.]], Theyoltre were often used with a setai ofdiffusori SS-X1A stereo speakers, whichgrigi matchedcome theil greyresto boxydel stylingTV of the suiteset.<ref name=profeel>[http://www.thevintageknob.org/VIDEO/KX20PS1/KX20PS1.html "KX-20PS1"]</ref> TheIl conceptconcetto wasfu todi buildricreare auno market''styling'' similarsimile to contemporaryagli ''stereo equipment,'' where components from different vendors could be mixed to produce a complete systemdell'epoca. However, a lack of any major 3rd party components, along with custom connectors between the tuner and monitors, meant that the systems were never really mixable. They were popular high-end units, however, and found a strong following in production companies where the excellent quality picture made them effective low-cost monitors. A secondUna seriesseconda ofserie ''all-black'' unitsseguì followed innel 1986, the ''ProFeel Pro'', sporting a space-frame around the back of the trapezoidal enclosure that doubled as a carrying handle and holder for the pop-out speakers. These units were paired with thecon VT-X5R tuner ande optionally thediffusori APM-X5A speakers.<ref name=profeelpro>[http://www.thevintageknob.org/VIDEO/PROFEEL/PROFEEL.html "Sony PROFEEL"]</ref>
Sony alsoprodusse produced lines ofanche Trinitron professionalprofessionali, studio monitors,come theil PVM (Pro Video Monitor) ande BVM (Broadcast Video Monitor) lines. TheseQuesti modelsmodelli wereebbero packaged''case'' ingrigio greymetallico metalcon cubesvari with''input'' aper varietysegnali of inputs that accepted practically any analog formatanalogici. They originally used tubes similar to the ProFeel line, butraggiunse overla timerisoluzione theydi graduallyoltre increased900 in resolution until the late 1990s when they offered over 900linee linesorizzontali. WhenQuando thesela werelinea cancelleddi asproduzione partfu ofcancellata the wider Trinitron shutdown innel 2007, i professionals forcedforzarono Sony toalla re-openriapertura twodelle oflinee thedi linesproduzione todei producemodelli theda 20 ande 14 inch modelspollici.<ref name=profeel/>
Among similar products, Sony produced the KV-1311 monitor/TV combination. It accepted NTSC-compatible video from various devices as well as analog broadcast TV. Along with its other functions, it had video and audio inputs and outputs as well as a wideband sound-IF decoded output. Its exterior looks much like the monitor illustrated here, with added TV controls.
By this time, Sony was well established as a supplier of reliable equipment; it was preferable to have minimal field failures instead of supporting an extensive service network for the entire USA.
Sony started developing the Trinitron for [[computer monitor]] use in the late 1970s. Demand was high, so high that there were examples of 3rd party companies removing Trinitron tubes from televisions to use as monitors. In response, Sony started development of the GDM (Graphic Display Monitor) in 1983, which offered high resolution and faster refresh rates. Sony aggressively promoted the GDM and it became a standard on high-end monitors by the late 1980s. Particularly common models include the [[Apple Inc.]] 13" model that was originally sold with the [[Macintosh II]] starting in 1987. Other well known users included [[Digital Equipment Corporation]], [[IBM]], [[Silicon Graphics]], [[Sun Microsystems]] and others. Demand for a lower cost solution led to the CDP series.<ref name=shist/> In May 1988 they introduced the high-end 20 inch DDM model (Data Display Monitor) with a maximum resolution of 2,048 by 2,048, which went on to be used in the [[FAA]]'s [[Advanced Automation System]] [[air traffic control]] system.
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