Denon ADV-700 Service Manual
Also see for ADV-700: Brochure & specsOperating instructionsOperating instructionsOperating instructionsService manual
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ADV-7003DIAGNOSTICS OF OPTICAL PICKUP AND REPLACING TRAVERSE UNITMake failure diagnostics of the Optical Pickup as follows.If the laser drive current becomes more than 1.5 times of the initial value, the Optical Pickup should be replaced.The laser drive current is registered on the seal attached to the rear of the Mecha. Unit.In case of replacing the Pickup, change the whole part of the Traverse Unit.No mechanical adjustment is necessary after the replacement.Disc no read,unsteady playback, etc.Laser drive current checkHF wave form check(Refer to page 79, 80)Present value exceedsthe initial value by 1.5 timesTraverse Unit replacing(See page 9 for details)Laser current registeringafter replacementStep: Disc playbackWrite the measured valueon the seal attached to the Mecha. Unit* As to the measuring method, refer to page 4Label Indication of DVD MechanismLaser current consumption valueex) DVD ***mA, CD ***mAExample: DVD 30mACD 30mAwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com |
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