BRIONVEGA SCALA 26 TVC YEAR 1980.

The BRIONVEGA SCALA 26 TVC is a 26 inches color television from BRIONVEGA.

It was introducing the PHILIPS 30AX CRT TUBE in Brionvega sets.The 30AX system, which Philips introduced in 1979, is an important landmark in the development of colour picture systems. With previous systems the assembly technician had to workthrough a large number of complicated setting-up procedures whenever he fitted a television picture tube with aset of coils for deflecting the electron beams. These procedures were necessary to ensure that the beams for the three colours would converge at thescreen for every deflection. They are no longer necessary with the 30AX system: for a given screen format any deflection unit can be combined  with any tube to form a single 'dynamically convergent' unit. A colour-television receiver can thus be assembled from its components almost as easily as a monochrome receiver. The colour picture tube of the PHILIPS 30AX system displays a noticeably sharper picture over the entire screen surface. This will be particularly noticeable when data transmissions such as Viewdata and Teletext are displayed. This has been achieved by a reduction in the size of the beam spot by about 30%. Absence of coma and the retention of the 36.5 mm neck diameter have both contributed to increased picture sharpness. Coma has been eliminated by means of corrective field shapers embedded in the deflection coils which are sectionally wound saddle types. The new deflection unit has no rear flanges. enabling uniform self-convergence to be obtained for all screen sizes. without special corrections, adjustments, or tolerance compensations. Horizontal raster distortion is reduced and no vertical correction is required. One of the inventions in 30AX is an internal magnetic correction system which obviates static convergence and colour purity errors. This enables the usual multiple unit to be dispensed with. together with the need for its adjustment !  New techniques have been employed to achieve close tolerance construction of the glass envelope. In addition, the 30AX picture tube incorporates two features whereby it can be accurately adjusted during the last stages of manufacture. One is the internal magnetic correction system. The other is an array of bosses on the cone that establish a precise reference for the axial purity positioning of the deflection unit on the tube axis and for raster orientation. During its manufacture, each deflection unit is individually adjusted for optimum convergence. The coil carrier also incorporates reference bosses that co-operate with those on the cone of the tube. ' Since every picture tube and every deflection unit is individually pre-aligned, any deflection unit automatically matches with any picture tube of the appropriate size. The deflection unit has only to be pushed onto the neck of the tube unit it seats. Once the reference bosses are engaged, the combination is accurately aligned and requires no adjustment for convergence, colour purity or raster orientation. With no multiple unit and a flangeless deflection unit, there is more space in the receiver cabinet. Higher deflection sensitivity means that less current is consumed, and consequently less heat is produced. This increases the reliability of the TV receiver again. 30AX means simple assembly. Any picture tube is compatible with any deflection unit of the appropriate size and is automatically self-aligning as well as being self-convergent.
Now that the new Philips 30AX tube has put in an appearance, some details can be filled in. The new tube has been developed from the 20AX, which has been in production since 1974, but brings with it several important advances. First, no dynamic convergence, static convergence, purity or raster correction adjustments are necessary. Secondly the new yoke design gives improved deflection sensitivity, a straight NS raster, and reduced EW raster distortion. Due to the close mechanical tolerances and the inclusion of positioning bosses on the tube bowl, the tube and yoke can be aligned simply by being pushed together - any 30AX yoke will automatically match any 30AX tube of the appropriate size. Thirdly the newly designed electron gun gives a sharper spot, with greater focus uniformity over the screen area. An internal magnetic ring is used to give correct purity and static beam convergence, in place of the multipole unit used in previous in -line gun tube designs. This results in a strikingly compact assembly. The automatic yoke/tube alignment does away with the need for preset mechanical tilt and shift adjustments which, Philips point out, correct one error by introducing another. The new tube is being produced in the 26, 22 and 20in. screen sizes. The power consumption of a set fitted with the 30AX is typicaly 100W compared to 120W with the 20AX system, at 1.2mA beam current and with an e.h.t. of 25kV. This compares with 88W for a set fitted with a 90° narrow -neck tube and hybrid yoke, under the same conditions.
The well-known 20AX features of HI-Bri, Soft-Flash and Quick-vision are maintained in the new 30AX systern.  In their work on the design of deflection coils in the last few years the developers have expanded  the magnetic deflectionfields into 'multipoles', This approach has improved the understanding  of the relations between coil and field and between field and deflection to such an extent that  designing deflection units is now more like playing a difficult but fascinating game of chess than  carrying out the obscure computing procedure once necessary.

Furthermore it was redesigning the chassis technology with a new tuning system VST type.A method for tuning to channels in a voltage synthesizer tuning circuit. Pulse width modulation data corresponding to an average error value of a variable capacitance diode is set to cope with an error of a tuning voltage varying with an error of the variable capacitance diode. An initial channel is tuned on the basis of an average value of the set pulse width modulation data and an automatic fine tuning operation is performed while the set pulse width modulation data is varied. The error of the variable capacitance diode is determined by comparing the average value of the set pulse width modulation data with the varied step. The set pulse width modulation data is corrected by such a value that can cope with upper and lower limit values of the determined error of the variable capacitance diode and then output to a tuner driver.

It has a Transistorized horizontal deflection circuits  made up of a horizontal switching or output transistor, a diode, one or more capacitors and a deflection winding. The output transistor, operating as a switch, is driven by a horizontal rate square wave signal and conducts during a portion of the horizontal trace interval. A diode, connected in parallel with the transistor, conducts during the remainder of the trace interval. A retrace capacitor and the deflection yoke winding are coupled in parallel across the transistor-diode combination. Energy is transferred into and out of the deflection winding via the diode and output transistor during the trace interval and via the retrace capacitor during the retrace interval.
In some television receivers, the collector of the horizontal output transistor is coupled to the B+ power supply through the primary windings of the high voltage transformer.

Brionvega is (was) an Italian electronics company, established in Milan in 1945.

Vega, BP Radio, Brionvega, Brion & Pajetta; Milano, Lissone (MI) (I)
Abbreviation: vega
Products: Model types
Summary: Society B.P.M. (1945) Vega - BP Radio (Fabbrica Apparecchi e Accessori Radio, Perito Ind. Brion & Ing. Pajetta)
Via Pacini 59, Milano (1948)
Via Ampère 61, Milano (ca. 1950)
Brionvega Formenti Sèleco Spa
Via Dante Alighieri 43, 20035 Lissone / MI

Good design is no longer simply for an "elite" but is demanded by a far wider audience interested in continuous development.With so many designs and products available, how is it possible to distinguish a truly outstanding design from one that is simply trendy. World famous designers: Hannes Wettstein, Mario Bellini, Richard Sapper, Marco Zanuso, Castiglioni brothers and Ettore Sottsass, have tried to come up with the answer to what constitutes the perfect design. In finding inspiration, when designing for Brionvega, these people look beyond every day fashion and look for examples which are outstanding in their beauty. They also pay attention to people's attitude and how they relate to everyday objects.


Historically speaking, Brionvega is one of the most famous radio and Television manufacturers, thanks to its products, born from the collaboration with well-known design firms. Over the years, from its establishment, Brionvega has made some industrial design corner-stones, such as the radio "cube" TS502 from 1963, the Algol and Doney portable TV, and the radio-phonograph RR126.

 The company was founded in 1945 by Giuseppe Brion and engineer Pajetta. Initially called B.P.M. Company and manufacturing electronic components, the business became known as Brionvega in 1960. In the early 1960s, two unusually designed portable television sets, designed by Marco Zanuso and Richard Sapper, were launched by Brionvega by the names "Doney" (1962) and "Algol" (1964).

Brionvega became famous for a number of exceptional designs (algol, doney, ts502, rr126). A few of their designs found their way into the Museum of Modern Art (MoMA), New York.

2007 DONEY CVT set ( V.Cometti) numbered edition, ALGOL CVT set (V.Cometti) numbered edition,
ALPHA LCD CVT set (V.Cometti)

2002 TVC DOGE 32" (M.Bellini)
1992 GLASS CUBE CVT set (M.Bellini) crystal cubic-shaped television
1992 25" and 28" QUADRO CTV set (M.Bellini) forerunners of the flat screens
1990 15" BEST CTV set (M.Bellini) with triangular rear case
1989 11" ALGOL CTV set (M.Zanuso) newly designed
1988 SINTESI CTV set (R.Lucci-P.Orlandini) with the characteristic orientable loudspeakers
1983 26" CORO PANSOUND CTV set (R.Lucci-P.Orlandini)
1980 23" MEMPHIS CTV set (E.Sottsass) limited series
1980 20" LED CTV set (M.Bellini)
1979 26" ALTA FEDELTA' CTV set (M.Bellini) high audio performance technology
1978 15" MONITOR TV Set (M.Bellini) whose packaging will serve as model for the manufacturing of future PC monitors
1978 15" MONITOR TV Set (M.Bellini) whose packaging will serve as model for the manufacturing of future PC monitors
1969 17" VOLANS TV Set (M.Bellini)
1969 BLACK ST 201 TV Set (M.Zanuso-R.Sapper) first small size TV set designed to be a decorative piece
1968 ASTER TV Set (M.Bellini) sculptural, audio devices in the base
1967 12" DONEY TV Set (M.Zanuso-R.Sapper) evolution of the 14" version
1964 19" SIRIUS TV Set (M.Zanuso)
1964 11" ALGOL TV Set (M.Zanuso-R.Sapper) on display at the MoMA in New York.
1962 14" DONEY TV Set (M.Zanuso-R.Sapper)first transistor portable TV set in Europe, awarded with the Compasso d'Oro.
1961 23" ORION TV Set (M.Albini-F.Helg)
1959 23" CRISTALLO TV Set (R.Bonetto)
1954 Television is becoming widespread.
1945 Giuseppe Brion and engineer Pajetta found the B.P.M. company (initially electronic components), which in the 1960's will become Brionvega, specialized in TV sets.

The BRIONVEGA stylish design is well recognized around the world for it's particularity.
The television here in collection The BRIONVEGA SCALA 26 TVC is a clear example of that style.

References:

^ "Ex Sèleco a un imprenditore udinese", Articolo del Messaggero Veneto del 18 febbraio 2010

"Brionvega History". Brionvega.tv. Retrieved 18 February 2012.
  "2008 Brionvega reissues". brionvega.tv.
 
"Cuboglass TV History". brionvega.it.