3233125 - 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
1	CHECKING SPEAKER CONNECTIONS	All OK	Problems met	Operation
	Check the connections between the speakers and the radio See   E3510  RADIO	Continue to Step 2	Connections not correct	Restore connections
2	CHECKING SPEAKERS	All OK	Problems met	Operation
	Check the operation of the speakers	End of diagnosis	Front speaker defective	Replace the speaker Op.   5570T90
			Front tweeter defective	Replace the tweeter Op.   5570T92
			Rear side speaker defective	Replace the speaker Op.   5570T96
3	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'

When the control is operated, the radio comes on, but the sound is poor or crackly.

		Results of the tests
1	CHECKING SPEAKER CONNECTIONS	All OK	Problems met	Operation
	Check the connections between the speakers and the radio receiver ( See E4010 INSTRUMENT PANEL )	Continue to Step 2	Connections not correct	Restore the incorrect connections ( See E4010 INSTRUMENT PANEL )
2	CHECKING SPEAKERS	All OK	Problems met	Operation
	Check the operation of the speakers	Continue to Step 3	Front speaker defective	Replace the front speaker ( Op.   5570T90  )
			Front tweeter defective	Replace the front tweeter ( Op.   5570T92  )
			Rear side speaker defective	Replace the rear side speaker ( Op.   5570T96  )
			Subwoofer defective	Replace the subwoofer
3	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'

When the control is operated, the radio comes on, but the sound is poor or crackly.

		Results of the tests
0	PRELIMINARY CHECK	All OK	Problems met	Operation
	Check that the fault is no longer present with other audio sources. (Listen to a CD or audio cassette in the player)	Continue to Step 1	Fault in amplifier equalizer	Continue to Step 1
			Fault in tuner	Continue according to the instructions See table   N12  POOR RADIO RECEPTION
1	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the audio output from the radio is working See   E3510  RADIO	Continue to Step 2	Radio faulty	Replace radio
2	CHECK ADDITIONAL AMPLIFIER	All OK	Problems met	Operation
	Check the power supply/operation of the additional amplifier equalizer See   E3510  RADIO	Continue to Step 3	Fault in positive supply and/or earth	Replace the component involved (if a fuse is involved, search for the cause of the problem)
			Switching-on control faulty	Restore connections
3	CHECKING AUDIO OUTPUT CONNECTIONS	All OK	Problems met	Operation
	Check the connections between equalizer amplifier and loudspeakers See   E3510  RADIO	Continue to Step 4	Connections incorrect or faulty	Repair the connections
4	CHECKING SPEAKERS	All OK	Problems met	Operation
	Check that the additional amplifer equalizer loudspeakers are working	Continue to Step 5	Front speaker defective	Repair and/or replace the loudspeaker
			Front tweeter defective	Repair and/or replace the loudspeaker
			Rear side speaker defective	Repair and/or replace the loudspeaker
5	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	Continue to Step 6	Fault persists	Replace the additional amplifer equalizer
6	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present			Search for the fault starting from another symptom'

When the control is operated, the radio comes on, but the sound is poor or crackly.

		Results of the tests
0	PRELIMINARY CHECK	All OK	Problems met	Operation
	Check that the fault is not present on other audio sources. (Listen to a CD or audio cassette in the player)	Continue to Step 1	Poor audio reproduction	Continue to Step 1
			Fault in tuner	Continue according to the instructions See table   N12  POOR RADIO RECEPTION
1	CHECK AUDIO OUTPUT CONNECTIONS	All OK	Problems met	Operation
	Check the connections between radio and loudspeakers See   E3510  RADIO	Continue to Step 2	Connections incorrect or faulty	Repair the connections / wiring
2	CHECKING SPEAKERS	All OK	Problems met	Operation
	Check the operation of the speakers	Continue to Step 3	Front speaker defective	Replace the speaker
			Front tweeter defective	Replace the speaker
			Rear side speaker defective	Replace the speaker
3	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	Continue to Step 4	Fault persists	Replace radio
4	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present			Search for the fault starting from another symptom'