I'm a beginner in electronics repairing and I need help troubleshooting a tv which doesn't turt on, neither the power LED lights up.
The board is a cheap chinese (check the attached image). When I opened it and started troubleshooting I found out that the H. O. T was shorted, and the fuse was blown. I made some checking on a few other components and I couldn't find any other fault. So I replaced the defective components (fuse and h.o.t).
Then I powered it up through a 60W series bulb but it didn't turn on, so I measured some voltages, the readings are as follows: Mains Filter - 315V, H.O.T Vce - 315V, R531 was open, I replaced it. I traced the voltage from R520 and it's dead (0) after R522 (check the attached image). And THERE'S NO VOLTAGE ON THE SECONDARY SIDE. Can someone help me by explaining what's going on AND/OR what to do?