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Hi , I`m JackPerhaps I can help you with this problem but note that i wont be around much this morning.
Just want to say that if the tv turns on the congrats you did a good job there and if you had the wrong part then it would`ve blown right back .
Now did you check your voltages at the output of the power board ?
Namely the VA and VS voltages ?
These may have changed and the correct value should be on a sticker at the rear of the panel
Look it up and i`ll check on you later