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Yamaha Cdx9 Service Manual

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    Page 1 101016 P.O.Box 1, Hamamatsu, Japan SERVICE MANUAL IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction...
    Page 2 CDX-497/CDX-397 2 CDX-497/CDX-397 TO SERVICE PERSONNEL WARNING: Laser Safety This product contains a laser beam component. This component may emit invisible, as well as visible radiation, which may cause eye damage. To protect your eyes and skin from laser radiation, the following precautions must be used during servicing of the unit. 1) When testing and/or repairing any component within the product, keep your eyes and skin more than 30 cm away from the laser pick-up unit at all times. Do not stare at...
    Page 3 CDX-497/CDX-397 3 CDX-497/CDX-397 WARNING Laser Diode Properties Material: GaAlAs Wavelength: 780 nm Emission duration: continuous Laser output: max. 44.6 µW * * This output is the value measured at a distance of about 200 mm from the objective lens surface on the Optical Pick-up Block.Optical Pick-up 2) The laser power level can be adjusted with the VR on the pick-up PWB. However, this level has been set by the factory prior to shipping from the factory. Do not adjust this laser level control unless...
    Page 4 CDX-497/CDX-397 4 CDX-497/CDX-397
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