Akai DV-P4990KDSM free download

File name DV-P4990KDSM.pdf

DVD PLAYER Model: DVP4990KDSM SERVICE MANUAL www.akai.ru 1. General Section 1.1 Cautions/Warnings 1.1.1 Product Safety Notice Parts marked with the symbol in the schematic diagram have critical char- acteristics. Use ONLY replacement pares recommended by the manufacturer. It is recommended that the unit be operated from a suitable DC supply or batter- ies during initial check out procedures. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING HIGH VOLTAGE INSIDE TO PREVENT ELECTRICAL SHOCK DO NOT REMOVE ANY CO- VER OR SCREW. REFER ALL SERVICING TO QU- ALIFIED SERVICE PERSONNEL. DO NOT ALLOW THIS PRODUCTION BE EXPOSED TO RAIN OR MOISTURE. DISCONNECT THIS MAINS PLUG FROM THE SUPPLY SOCKET WHEN NOT IN USE. 1.1.2 Leakage Current Check/Resistance Check Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to insulated resistance check. If the leakage current exceeds 0.5 milliamps , or if the resistance from chas- sis to either side of the power cord is less than 240 K ohms, the unit is defec- tive. WARNING: DO NOT return the unit to the customer until the problem or loca- ted and corrected. 1.2. Safe Warnings 1.2.1. Protection of Eyes from Laser Beam To protect eyes from invisible laser beam during servicing DO NOT LOOK AT THE LASER BEAM Page 2 1.2.2 Laser Caution CAUTION Adjusting the knobs, switches, and controls , ect. Or taking actions not specified herein may result in a harmful emission of laser beams. This CD Changer must be adjusted and repaired only by qualified serv ice personnel. CAUTION- INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM. VORSICHTI- UNSICHTBARE LASERSTRAHLUNG TRITT AUS. WENN DECKEL GEOFFNET UND WENN SICHERHEITSVERRIEGELUNG uBERBRuCKT IST. NICHT DEM STRAHL AUSSETZENI VARNING- OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD OCH SPARR AR URKOPPLAD STRALEN AR FARLIG. ADVARSEL-USYNLIG LASERSTRALING VED ABNING NAR SIKKERHEADSAFBRYDERE ER UDE AF FUNKTION. UNDGA UDSAETTELSE FOR STRALING. CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT THIS IS COMPACT DISC PLAYER IS CLASSIFIED AS A CLASS LASER PRODUCT. THE LASS 1 LASER PRODUCT LABEL IS LOCATED ON THE REAR EX- TERIOR. 1.3. Precautions 1.3.1. ESD Precautio