198002793 - N011 RADIO CANNOT BE HEARD, IS HARD TO HEAR

There is interference with the audio system, or it is distorted or missing

		TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Use the Examiner to connect to the radio control unit and check for errors	Move on to Step 2	Presence of errors	Continue as described by the diagnostic equipment
2	CHECK AUDIO SIGNALS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the audio signals at the radio output are correct    See T LOUDSPEAKER OPERATION CHECK	End of diagnosis	Signals distorted or missing	Move on to Step 3
3	RADIO SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the radio is receiving the correct power supply Check that it is correctly earthed    See E3510 RADIO	Move on to Step 4	1. Supply not correct2. Earth connection incorrect	1. Restore correct power supply2. Restore the correct earth connection.
4	CHECK SPEAKER OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the connections between the speakers and the radio, see the wiring diagram    See E3510 RADIO	Move on to Step 5	1. Connections not correct2. Front speakers defective3. Rear speakers defective	1. Repair the connections2. Replace the front speakers3. Replace the rear speakers    Op. 5570T96 REAR SIDE SPEAKER (ONE), LEFT OR RIGHT- R.R
5	RADIO OPERATION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the radio is working properly	End of diagnosis	Radio amplifier faulty	Replace the radio    Op. 5570T80 CAR RADIO EQUIPMENT - R+R