Sony Triniton Fuse Blows

Question

Hi I have a Sont trinitron KV G21S2,15inches. Recently a fuse blew as I tried to turn the tv by pressing the main power button on the tv. As i pressed the main button I saw a small flash like explosion in the back.

I know how to read a circuit diagram and its components very well. I had a quick look but of a preliminary inspection found no capacitors blown.The power supply seems to be pulling three amps and blowing the fuse, each and every time I put the tv on once I hve replace the fuse. Obviously there must be a short somewhere. There are four transormers on the board and i put my multi meter along the terminals and they are showing zero resistance. Do I have to pull the transformers out to get an accurate reading ?

I even tried just finding the same board to replace the whole board. But sony doesnt have any parts for this television anymore.

Im in a bit of a pickle. Please help.