N32 ON THE I.C.S. SYSTEM, 'THE( D.S.P.) SOUND IS NOT WORKING - Alfa - 166 - eLearn

In the audio environment, you can tune and memorize radio stations, the volume knob does not adjust and the D.S.P. functions cannot be set

1	CHECK D.S.P. SUPPLY	All OK	Problems met	Operation
		Results of the tests
	Check the supply to the D.S.P. connector ( See E4090 NAVIGATOR )	Continue to Step 2	Wiring broken	Restore connections
			Fuse blown	Replace the fuse and search for the cause of the problem
			Faulty earth	Repair the earth
2	CHECK D.S.P. OPERATION	All OK	Problems met	Operation
	Check the operation of the D.S.P. system (by disconnecting the D.S.P. device) with Compact Cassette or Compact Disc available on I.C.S.	Continue to Step 3	D.S.P. system faulty	Replace the I.C.S. system Op. 5080M12
3	HECK ON 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'