199000871 - N011 RADIO CANNOT BE HEARD, IS HARD TO HEAR

When the relevant control is operated, the radio comes on but it cannot be heard properly or crackles, radio station reception is disturbed.
Results of the tests
0PRELIMINARY CHECKAll OKProblems encounteredOperation
Check the AM/FM aerial is correctly connected    See E3510 RADIO Move on to Step 11. Aerial connection defective2. Aerial impedence defective or interrupted1. Restore the correct connection for the aerial and the radio2. Replace the aerial
1AMPLIFIED AERIAL CHECKAll OKProblems encounteredOperation
Check the following, in order:- aerial coaxial lead continuity- the power supply to the aerial amplifier and amplifier- Correct aerial impedence    See E3510 RADIO Move on to Step 21. Aerial lead fault2. Amplifier power supply cable fault3. Aerial amplifier fault4. Aerial fault1. Repair or replace aerial lead2. Repair or replace supply ead3. Replace the aerial amplifier 4. Repair or replace the aerial
2RECEPTION AREA CHECKAll OKProblems encounteredOperation
Check that the fault is not present in areas of poor reception. The reception should improve significantly when the vehicle moves away from such areas. If the reception area is very poorly served, attempts to switch between frequencies may be perceived as pausesMove on to Step 3Area with poor receptionMove to an area with the radio reception is good and try FM and non-FM stations
3CHECK SPEAKER OPERATIONAll OKProblems encounteredOperation
Check that the connection between the radio and the speakers is correctEnd of diagnosis1. Discontinuity in the speaker connections2. Front speakers defective3. Rear speaker defective1. Repair the connections2. Replace the speakers    Op. 5570T90 FRONT SPEAKER (ONE), LEFT OR RIGHT - R.R 3. Replace the speakers    Op. 5570T96 REAR SIDE SPEAKER (ONE), LEFT OR RIGHT- R.R