IC for Audio Aiwa NSX VC 120

Pls let me know .where i can get IC 
for Aiwa NSX VC 120 ?
THIS CONDITION.
LIGHT ON  but rime i touch panel for radio .vcd. Tape..direct off no light too.
the man in service said need change IC.
but he dont wherw we can get it the IC
please help me to fins solution..thx

regard
ly