Yamaha Cdx9 Service Manual

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...

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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...

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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...

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PREVENTION OF ELECTROSTATIC DISCHARGE
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors
and semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component
damage caused by electro static discharge (ESD).
1. Immediately...

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FRONT PANELS

REAR PANELS
CDX-497 (R model) CDX-497 (R, T, K, A, B, G, J models)
CDX-397 (R, T, A, B, G models)
CDX-497 (T model)
CDX-497 (K model) 

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CDX-497 (A model)
CDX-497 (B, G models)
CDX-497 (J model)
CDX-397 (R model)
CDX-397 (T model) 

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REMOTE CONTROL PANELS
CDX-397 (A model)
CDX-397 (B, G models)
CDX-497 (R, T, K, A, B, G, J models) CDX-397 (R, T, A, B, G models) 

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INTERNAL VIEW
Unit: mm (inch)o

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None of the components of the following unit can be
supplied separately.
Each unit must be replaced as a whole in case of a failure.
•CD Mechanism
•MAIN P.C.B.
•FRONT P.C.B.