Sony STR-DE845 Receiver "q506" Questions

...all your function on off, no have sound This condition, may be produced by defective components (Q506, Q507). you can remove those transistor, replace the fuses, power-on and wait for relays

again instantly. Is there any hope for me? This condition, may be produced by defective components (Q506, Q507). you can remove those transistor, replace the fuses, power-on and wait for relays click.