Sony CFS-1035S radio cassette recorder, no sound

Radio and cassette player no sound.
Cassette motor works.checked and replaced Amp IC LA4598.
Further more switch changing from Radio to Cassette is broken.
Its a 10 pin switch with 5 on either side.
Need the exact connection to test. also no visible capacitor bloot up or resistor burnt. 
Pls help in this