My mitsubishi wdc657 has sound but no picture

SOURCE: how hard is it to replace the dmd assemble for a

Not hard,it just a board assembly.Take out and put in another board,that it.The problems is hard or very hard to find the whole DMD power supply board itself.These thing are out of the Mitsubishi production lines about 5 years now.Try website like Tvrepairworld.com might can buy the whole refurbish board or buy the most common burns capacitors kit to repair ur old DMD power supply board.