Thank you for your Help!!

Well, I have recently composed a radio using CXA1019S(a product of Sony),However, the radio cannot receive the FM signals(It accually receives the noise), thought I have examed all the solder points and they are all well soldered. Please give me some suggestions on how to quickly exam where was wrong. If not, as a amateur, please tell me the detailed methods to find the wrong area.(the tools that I only have are an oscillograph and a multimeter) Thank you for your help!,I am really anxious.

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