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SNR9A0KJ10300000000FEAT21 SNR9A0KJ10300000000FEAT62 Special Tools Required Special Tools Required Frequency sweep Sound judging 23-77 23-77 Diagnostics CD 07AAZ-SDBA100 Do this test to find rattles or reverberation that may 1. Insert the diagnostics CD (T/N: 07AAZ-SDBA100) into the navigation unit or audio unit. 2. Play track No. 13 (sweep from 500 Hz to 35 Hz) at a normal, or slightly higher than normal, volume 3. Listen to each speaker for poor sound quality or reverberations caused by specific frequencies. Use • If vibrations or poor sound quality are heard, go to step 4. • If no vibrations or poor sound quality are heard, go to sound judging. 4. Choose the appropriate track from No. 14 to 25 (small range frequency sweep) or 26 to 53 (single NOTE: When you get to the track that recreates the 5. Replace or insulate the source of the vibrations or, if the speaker is the source of the poor sound Diagnostics CD 07AAZ-SDBA100 • Do this test to compare overall sound quality, imaging, and dynamics between the customer’s • Make sure the vehicle is using only OEM speakers. 1. In the client’s vehicle, set the bass, treble, fader, and balance settings to the client’s normal settings 2. Insert the diagnostics CD (T/N: 07AAZ-SDBA100) into the navigation unit or audio unit. 3. Play tracks No. 7 to 12 (sound quality, midland, dynamics, and imaging demonstration tracks) at a 4. Listen to areas of the track that stand out as being either very clear, or poorer than other areas of the 5. Insert the diagnostics CD (T/N: 07AAZ-SDBA100) into the navigation unit or audio unit of a known- 6. Play the tracks at the same volume level and the same bass, treble, balance, and fader settings as 7. Listen to the same area of the track that stood out as being either very clear or poorer than other 08/08/21 14:05:35 61SNR030_230_0080 |