3308694 - N32 ON THE I.C.S. SYSTEM, 'THE( D.S.P.) SOUND IS NOT WORKING

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
Results of the tests
1CHECK D.S.P. SUPPLYAll OKProblems metOperation
Check the supply to the D.S.P. connector ( See   E4090  NAVIGATOR ) Continue to Step 2 Wiring brokenRestore connections
Fuse blownReplace the fuse and search for the cause of the problem
Faulty earthRepair the earth
2CHECK D.S.P. OPERATIONAll OKProblems metOperation
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
3HECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'