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AV MULTI AV SYSTEM SYMPTOMS AV-527 < SYMPTOM DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P RELATED TO REMOTE CONTROL AND HEADPHONE Trouble diagnosis chart by symptom At DVD of rear display unit, DVD image is normal. • Vertical synchronizing (VP) signal circuit malfunction between video distributor and rear display unit. . • Horizontal synchronizing (HP) signal circuit malfunc- tion between video distributor and rear display unit. . • RGB area (YS) signal circuit malfunction between vid- eo distributor and rear display unit. . For rear display unit, DVD and Front display unit displayed, DVD and Composite synchronizing signal circuit malfunction be- There is no — Perform CONSULT-III self-diagnosis. AV-87, "CONSULT-III Function (MULTI AV)" . There is no DVD sound from AUX sound is not normal, neither. DVD and AUX sound signal circuit malfunction between It does not change to DVD There is malfunction in the CONSULT-III Perform CONSULT-III self-diagnosis. AV-87, "CONSULT-III Function (MULTI AV)" . Symptoms Check items Probable malfunction location Headphone does not work Change headphones to another set. They operate normally. • Battery of headphones. It does not operate normally. • Headphone sound signal circuit malfunction between DVD player and rear display unit. • Headphone ON signal circuit malfunction between vid- eo distributor and rear display unit. Remote control does not work. Change remote controller to another one. They operate normally. It does not operate normally. "CONSULT-III Function (MULTI AV)" . When detecting no malfunction in those components, the following items are Symptoms Check items Probable malfunction location |