2888434 - N11 RADIO CANNOT BE HEARD, IS HARD TO HEAR

When the control is operated, the radio comes on, but the sound is poor or crackly
Results of the tests
1SPEAKER CONNECTIONS CHECKAll OKProblems metOperation
Check the connections between the speakers and the radio See   E3510  RADIO Continue to Step 2Connections not correctRestore the connections
2SPEAKER CHECKAll OKProblems metOperation
Check the operation of the speakersContinue to Step 3Front speaker defectiveReplace the speaker Op.   5570T90 
Front tweeter defectiveReplace the tweeter Op.   5570T92 
Rear side speaker defectiveReplace the speaker Op.   5570T96 
3CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'