what did I do to my Oppo/Modwright UDP-205 ?


Like a real fool I unplugged my new umbilical cord I just got from wywires because I was hearing static (I thought it was the new cord) and then plugged it back in with the power supply still on! a few seconds later a loud pop and what looked like a flash, the Oppo still played so I thought I was safe but NO! now I am getting the same pop as the music plays what did I do? 


128x128goofy
Unplug the Oppo and it’s power supply (?—is this an after market PS?) for an hour. Then plug everything in and play a disk. 
That is what I am doing, I did drop new tubes in just in case  so far I played two tracks,it's playing but I am still worried  plus  I am using the original umbilical cord

I must admit I was getting a volume drop at times of the loud pop, I praying I didn't fry something, the thing is I know better than to do stupid stuff like this 
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