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Special tools required Diagnostics CD 07AAZ-SDBA100 Use the following tests to check sound quality. PHASE TEST Do this test to confirm proper speaker phasing. 1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA100) into the audio unit. 2. Play track No. 2 (phase) at a normal, or slightly higher than normal, volume level. 3. The voice should sound centered and focused when it is in-phase. 4. The voice should sound diffused, and have "less base" when it is out of phase. If the voice changes from in-phase to out of phase as indicated by the prompt, the phasing is If the voice always sounds out of phase, phasing is not correct. Check for Crossed speaker wire Faulty amplifier Faulty audio unit Special tools required Diagnostics CD 07AAZ-SDBA100 ELECTRICAL NOISE TEST Do this test to check for electrical noise being induced into the audio system. 1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA100) into the audio unit. 2. Play track No. 4 (digital zero) at a normal, or slightly higher than normal, volume level. 3. Operate any electrical device that may create electrical noise in the audio system, including starting the engine. 4. Play track No. 5 (near digital zero) at a normal, or slightly higher than normal, volume level. 5. Operate any electrical device that may create electrical noise in the audio system, including starting the engine. 6. Play track No. 6 (SNR) at a normal, or slightly higher than normal, volume level. 7. Operate any electrical device that may create electrical noise in the audio system, including starting NOTE: Before beginning the following tests, write down the client's bass, treble, NOTE: Electrical noise may be caused by outside sources that cannot be handled
2007 Acura RL 2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL
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