gf 777

hi everyone i recently had an issues with the K7 deck ... especially the deck n2 ...when i press play or any other buttons nothing happend so i'm a little confused HOW COME all this happened please if someone had or still has the same problem and know how to resolve it please tell me how to...

hi ... i have again another problem with my gf 777 ... i've been recently changed the amp part because i had speakers problems. after i changed the part everything worked not 100% effective but enough to hear music from and i pod and i notice that the cassette deck was working too (A) plays on...