Daewoo DV-900 free download

File name DV-900.pdf

OSDV900001 DVD PLAYER DV-900 MAY, 2006 DV-900 Service Manual DV-900 Service Manual Table of Contents General Section Cautions/Warnings Safe Warnings Precautions Software Upgrade Circuit Diagram and Component Layout 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 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 Panel Trouble Service Flow Chart Remote Control Trouble Service Flow Chart Parts List Power parts list MPEG parts list AV Output parts list Front panel parts list 1 DV-900 Service Manual 1. General Section 1.1. Cautions/Warnings 1.1.1. Product Safety Notice Parts marked with the symbol____ in the schematic diagram have critical characteristics. Use ONLY replacement pares recommended by the manufacturer. It is recommended that the unit be operated from a suitable DC supply or batteries during initial check out procedures. 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 chassis to either side of the power cord is less than 240 K ohms, the unit is defective. WARNING: DO NOT return the unit to the customer until the problem or located 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 2 DV-900 Service Manual 1.2.2. Laser Caution CAUTION Adjusting the knobs, switches, and controls, etc. 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 service personnel. Laser symbol: THIS IS COMPACT DISC PLAYER IS CLASSIFIED AS A CLASS 1 LASER PRODUCT. THE LASS 1 LASER PRODUCT LABEL IS LOCATED ON THE REAR EXTERIOR. 1.3. Precautions 1.3.1. ESD Precautions in Repairing 1.3.1.1. Do not apply excessive pressure on the mechanical parts (moving pares), including the Pickup Block, as extremely high mechanical precision or required in these parts. 1.3.1.2. When soldering the microprocessor and signal processing IC's, use a ceramic soldering