Question about Sony FD Trinitron WEGA KV-27FS100 27" TV
NO FILAMENT IN THE CRT .
In 90% CRT TV circuit, the filament voltage is taken from one among the winding of EHT transformer. The rest, it is taken from the main power supply regulator [SMPS] board. With Sony brand TVs, it is taken from the EHT winding itself. Refer any circuit manual to Sony, to make it understand. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Posted on Nov 24, 2014
Filament winding is one of the few manufacturing processes which allow a high level of automation and process control needed to ensure the required production volume and quality control.
For more details: http://www.cnctechnics.com/
Posted on Jan 22, 2016
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Posted on Jan 02, 2017
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