You will probaby fine out that your Horitzonal transistor is shorted, that is a real common problem on that model, and you can use a 2SD1885 for the output. And after you fix the output, you mifgt have a blown fuse, that blew after the transistor shorted. That is the reason you TV is in shutdown mode. The Hritzontal transistor is located on the high voltage power supply. It is the one with the fly back transformer on it. and The transistor is the one that is on a metal heat sink by the transformer. on the left side form the back. And where the AC cord plug's in at there a white plastic right behind it with a small fuse and the transformer is to the left. And behind the transformer there is a metal heat sink with a shorted out put, and that is the most common thing that happens to that Chassis. () % of the time that is the only problem and the part is less then 10.00. I'm working on the same chassis right now. The part is less the $10.00. Good luck.
Electr&onic Tech
Over 30 years in electronics, Board Repair, TV's, Gaming,
I probed most all transistors and resistors on the board (power supply board?) along with all wires (except the white wires and black wires in the black connector on the top right of the board), all of them are at roughly 54V AC (+/- less than 1V) including all 3 legs of the transistors. 120V AC is going through the cord outlet to the 4 diodes on the main board. I also have 53V at the red wire coming from the main left board-going to a grey socket on the board to the right (as seen from the back). I visually inpected all transistors, caps, diodes, resistors and other comonets on the left bottom main board along with what I am assuming is the power supply board with the suspect transistor and didn't find anything burned, popped or bloated. I am unsure where to go from here. The last time it died like this, the repair guy replaced a resistor that connects the green side to the white side on the bottom main left board along with the "power supply". I have 53V there too on both sides of it. This resistor is behind a cap that is behind the height pot and has color bands "fat" gold, skinny pink & violet & red. It is to the left of the big white transformer. Trash?