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Now downloading free:Formenti F19

Formenti F19 free download

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:Formenti 19-1-CHASSIS Manual De Servicio.rar
[preview F19]
Size:1112 kB
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Mfg:Formenti
Model:F19 🔎
Original:F19 🔎
Descr:Formenti 19-1-CHASSIS Manual De Servicio
Group:Electronics > Consumer electronics > TV
Uploaded:20-04-2004
User:plamensl
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File name Formenti 19-1-CHASSIS Manual De Servicio.pdf

F 19 SERVICE MANUAL THIS DOCUMENT IS A PROPERTY OF INDUSTRIE FORMENTI ITALIA NO AUTHORIZED MODIFICATIONS ARE PERMITTED. CREATED BY E.G. There are two different types of F19 chassis that are equipped with two different microcontroller. These microcontroller are known as ETT having a code SAA5297A and PAINTER with a code number SAA5553. From the point of view of the application on the F19 chassis the two type of microcontroller are substantially having the same performances, the same pinout , the same firmware but they are not interchangeable as the power supply are different. In case of SAA5297A the power supply is 5 V for the SAA5553 is 3.3 V. Even if the two devices are non interchangeable the two chassis can be interchanged as the in/out interface are exactly the same. As the specifications of the two devices are the same and the first version of the chassis was equipped with the SAA5297A , in this document the characteristics of it are very much detailed meanwhile there is a very short description (as an addendum at the end) for the SAA5553. F19 CHASSIS DESCRIPTION Summary The F19 is a chassis suitable to drive CRT having both 4 by 3 and 16 to 9 aspect ratio and dimension from 25" up to 34". As we can see from the block diagram the chassis is equipped with the most recent Integrated Circuit like the one chip TV processor TDA884x that does include all the low level signal processing including Video, Audio, synchronisation process, and chroma decoder . (see more detail at the "TDA884x FAMILY SPECIFICATION" paragraph), and the Sound Processor TDA9875A that perform all sound function including digital decoding of NICAM signals. (see more detail at the " TDA9870A & tda9875A MAIN CHARACTERISTICS" paragraph). The above mentioned devices are driven by an Integrated Circuit that does include the microcontroller function with 64 K ROM and the TELETEXT acquisition and 8 pages RAM. (SAA5297A) In the F19 chassis there are, besides the stereo one, two possible module that are performing "FEATURES" like PIP (picture in picture) and / or CTI (colour transients improvement) and 4 by 3 to 16 by 9 signal processing. One further module is dedicated to the so called "Zero Power Stand By" A 26 Key Remote Control is performing the full control for the end- used but can also be used in " SERVICE MODE" to control and adjust, without open the back cover of the TV set all the necessary functions. With the 5 "LOCAL KEY BOARD" button all the end user function can also be performed When the TV set is equipped with a PLL tuner the microcontroller recognise it and the tuning method became a frequency synthesis system if not it work as a voltage tuning system (provided all necessary components are mounted) The TV make use of a multilevel MENU (activated both by the Remote Control and Local Keyboard) using five selectable languages ( Italian, German, English, France, end Spanish) with which it is possible to control sequentially all video and sound value, to adjust sever



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23-06-2004def1108very usefull. I was unable to obtain any info from other sources. Thanks.

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