GEEPAS GRC-2138VCD Radio Cassette Recorder with Compact Disc Player?

Help me my Radio Geepas GRC-2138VCD Radio Cassette Recorder with Compact Disc is playing very low sound even if i tune the sound it cannot play i don't know if the problem is with the IC or a CAPACITOR.If i insert a Disc or a Cassette i try to play it plays very low which you can even get nicely. So help me which components is damage?