These machines are solely dependant on 2 main IC's. The power module IC501, and IC502 the power reg. If the voltages aren't correct from the o/p's of these, then you might experience some functionality, but w/o all voltages being normal or missing altogether, you will get error codes for day's.
seedless420
July 2007
you blowed up something in the sound line.
if you have no experience let somebody else to fix it.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix dvd players.