good afternoon brothers brought me an otic tv model ot-2997 with the bad la7841 ic I changed it and the tv opened but not complete and without plot or video I measured the filters I got the 437 capacitor in short I changed it and the coil 442 was bad and fix it but the tv still has the same fault I measured the diodes ud351 and ud352 and they are good just like the filters that work with the vertical ic I tried to measure the voltages to the vertical ic and I did not stabilize the run here I send a photo thank you very much and I hope you can help me good afternoon brothers

hello friend before making the ic change. vertical, you have to change all new filters, which are related to the ic. la7841, and change even if the diode that feeds the ic is good. Vertical, if the fault persists, check the resistors, which feed the diode, whether it is powered by the choper or the flayback, ---- in your case as seen in the photo, you have underrated filters or the ic. Vertical is bad. Cheers