I HAVE A YAMAHA P35 THE VOLUME IS RATHER LOW ACROSS THE BOARD AND THE LAST 5 DEAD TOOK IT APART CLEANED ALL CONTACTS NO LUCK THEN I TOOK THE RUBBER STRIP FROM A SECTION THAT WORKED AND INSTALLED IT ON THE BAD SECTION NO LUCK THIS BOARD IS NEW TO ME AND SOMEONE SAID THEY HAVE LOW VOLUME BECAUSE THE SOUND COMES OUT THE BOTTOM THATS OK BUT WHY WOULD THE LAST SECTION BE DEAD MY GRAND DAUGHTER SAYS SHE CAN JUST HEAR THE NOTES NOT ME ANYONE OUT THERE HAVE AN IDEA JEL