3AVIC-5051.2 AVIC-505/EWThis service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repaircomplex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do soand refer the repair to a qualified service technician.1. Safety Precautions for those who Service this Unit.• When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliableresults.Caution:1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.2. During repair or tests, do not view laser beam for 10 seconds or longer.2. A “CLASS 1 LASER PRODUCT” label is affixed to therear of the player.3. The triangular label is attached to the mechanismunit frame.4. Specifications of Laser DiodeSpecifications of laser radiation fields to which human access is possible during service.Wavelength = 800 nanometersCLASS 1LASER PRODUCT