dogbone

hello,i have 2004 es330 i get no sound out of radio or cd player but i get voice out of navigation, they tell me the nav has to be replaced at the tune of $1800.00 plus . sure need some help thanks

i have no sound from cds or radio but i get sound fron navagation. might come on in morning but if i shut the car off it wont come on. ( 2004) ES330 ANYBODY HELP