2398891 - N12 POOR RADIO RECEPTION

The car radio works normally, but the station reception is not the same as before.
Results of the tests
0RECEPTION ZONE CHECKAll OKProblems metOperation
Check that the problem does not occur in poor reception areas, when moving away from these areas the reception should improve substantially. It is also possible, if the reception area is very bad, that attempts to switch between frequencies may seem like pauses Continue to Step 1Poor receptionDeactivate the A.F. function
1INTERNAL AMPLIFIER OPERATION CHECKAll OKProblems metOperation
Check that the fault is not present for other audio sources. (Listen to an audio tape or CD in the radio player)Continue to Step 2Poor audio reproductionContinue as instructed See table   N11  RADIO CANNOT BE HEARD, IS HARD TO HEAR
2AMPLIFIED AERIAL CHECKAll OKProblems metOperation

Check, in order:

  • Continuity of the coaxial aerial cable
  • Aerial amplifier and actual amplifier power supply See   E3510  RADIO
Continue to Step 4Aerial cable faultyRestore the correct operation of the aerial lead Op. 5570T19
Amplifier supply leads faultyRenew or replace the supply wiring
Aerial amplifier faulty Replace the aerial amplifier Op. 5570T20
3COMPONENT CHECKAll OKProblems metOperation
Check the condition of the aerial on the roof Continue to Step 4Aerial faulty Replace the aerial
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persists Replace the radio Op. 5570T86