198002792 - N010 RADIO

Audio not present from all sources (radio, CD, phone)
TEST RESULTS
1RADIO CONNECTIONS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Release the radio from the dashboard and check:- connections correctly inserted- condition of radio fuseMove on to Step 21. Connections not correctly fitted2. Speaker wiring interrupted/short circuited3. Fuse blown1. Refit connections2. Restore the correct wiring    See E3510 RADIO 3. Replace the fuse after having identified the cause
2ELECTRICAL SUPPLY CONNECTIONS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Release the radio from the dashboard and check that it is receiving the correct power supply- Check that the supply from the +30 is correct- Check that the supply from the +15 is correct - Check that the earth connection is correct    See Test 5580PD CENTRAL CONSOLE OPERATION CHECKMove on to Step 31. +30 power supply from dashboard control unit interrupted2. +15 power supply from dashboard control unit interrupted3. Earth power interrupted1. Restore +30 power supply replacing fuse F51 in the CPL after having identified the cause2. Restore +15 power supply replacing fuse F39 in the CPL after having identified the cause3. Restore the earth connection on the tunnel.
3AUDIO CONTROLS ON STEERING COLUMN SWITCH UNIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the audio controls on the steering column switch unit are working properly (if fitted)    See E3510 RADIO Move on to Step 4Controls on steering wheel defectiveReplace the controls on the steering wheel.
4CHECK AUDIO SIGNALSALL OKPROBLEMS ENCOUNTEREDACTION
Check for audio signals at the radio final output stage    See Test End of diagnosisAudio signals at the radio output interrupted because the final audio stage is interruptedReplace the radio    Op. 5570T80 CAR RADIO EQUIPMENT - R+R