How about, I come here to expose my problem which is the following: They brought me a Sony Trinitron TV KV-29FS12 Chassis BA-5, which, according to the explanation of the person, had been unused for a few years and since that time did not turn on, I proceeded to analyze the situation and discovered the horizontal transistor in short circuit, the resistors around the circuit were in proper condition and once the transistor was replaced the TV managed to turn on. The main problem is that once the TV is turned on, it presents some lines in the image and I would like to know what the fault might be, I ask this since this is the second TV that I repair, I am an engineer and I do not dedicate myself to this work, but thanks to the theory I can understand the diagrams and manuals, but because of the lack of experience I don't know what parts to analyze and where to start. I leave some images exposing the problem and hoping they can tell me what stages I can analyze and measure in the following days. Image 1. Image 2 Image 3 I hope you can help me, thanks in advance.

Hello Friend. If you have not repaired the TV. check the polyester capacitors that were in series with the tsh. and change the + b filter can be 100ufx160volt and solve the flayback and choper pins and then after the choper check the filters and diodes and resistors. Cheers