Akai DV-P4797KDMC free download

File name DV-P4797KDMC.pdf

DVD PLAYER Model: DVP4797KDMC SERVICE MANUAL www.akai.ru Daewoo DA Service Manual Table of Contents Page General Section...2-5 Caution/Warnings Safe Warnings Precautions Software Upgrade Circuit Diagram and Component Layout...6-26 MPEG IC Block Diagrams Power supply Circuit Diagram and Component Layout MPEG Circuit Diagram and Component Layout Front panel Circuit Diagram and Component Layout Servicing Procedures...27-33 Power Supply Trouble Service Flow Chart Read Disc Trouble Service Flow Chart Video Trouble Service Flow Chart Composite Analogy Audio Trouble Service Flow Chart Digital Audio Trouble Service Flow Chart Front Control Trouble Service Flow Chart Remote Control Trouble Service Flow Chart Parts List... ...34-37 Power Part List MPEG Part List Front Panel Part List Karaoke Panel Part List Page 1 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