Question about Sony FD Trinitron KV-28FQ75 28" TV
It seems that there is EHT Leakage from the EHT Transformer Anode Cap! Generally happens during rainy seasons, or if your TV is placed near a window or near an AC, due to excess of moisture in the air. Unplug the TV and wait for an hour to discharge all residual charge in Capacitors. Open the back, and look for a thick red cable leading from the FBT. (It is a Black Block with a thick red cable running from it to the rear of the Picture Tube). Take a sturdy Electrical cable with the conductor visible at both ends. (Multimeter Leads will do.) Now, ground one end of this lead to any Metal part of the Chassis, and gently ease the other end under the Cap of the EHT Cable. BE VERY CAREFUL, as there are very High Voltages involved! Do it Gently, and you will hear a POP! This indicates that the Electrical Charge inside tha Picture has been discharged. Now Take dry cloth and wipe clean the area around the Anode Cap. Close the back of the TV, and switch it ON. In all likelihood your problem should be resolved. BUT, I REPEAT, DO NOT DO THIS UNLESS YOU KNOW WHAT YOU ARE DOING, AND ARE VERY VERY CAREFUL. Otherwise, seek professional help!
Posted on Aug 02, 2006
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Posted on Jan 02, 2017
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