Samsung samsung syncmaster 450b 550s dp14l dp15l free download

File name samsung_syncmaster_450b_550s_dp14l_dp15l.pdf

COLOR MONITOR DP14LS DP14LT DP15LS DP15LT SERVICE Manual COLOR MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Operating Instructions 4. Disassembly & Reassembly 5. Alignment & Adjustments 6. Troubleshooting 7. Exploded View & Parts List 8. Electrical Parts List 9. Block Diagram 10. Wiring Diagram 11 Schematic Diagrams Samsung Electronics Co., Ltd. April 1999 Printed in Korea Code No.: BH68-00128A 1 Precautions 1-1 Safety Precautions WARNINGS 2. Inspect all protective devices such as nonmetallic 1. For continued safety, do not attempt to modify the control knobs, insulating materials, cabinet backs, circuit board. adjustment and compartment covers or shields, 2. Disconnect the AC power before servicing. isolation resistor-capacitor networks, mechanical insulators, etc. 3. When the chassis is operating, semiconductor heatsinks are potential shock hazards. 3. Leakage Current Hot Check (Figure 1-1): WARNING: Do not use an isolation transformer during 1-1-1 Servicing the High Voltage VR this test. and CRT : Use a leakage current tester or a metering system that complies with American National Standards WARNING:Damaged IC202 may cause excessive Institute (ANSI C101.1, Leakage Current for x-ray emissions. Appliances), and Underwriters Laboratories (UL 1. When servicing the high voltage system, remove Publication UL1410, 59.7). the static charge by connecting a 10 kohm resistor 4. With the unit completely reassembled, plug the AC in series with an insulated wire (such as a test line cord directly into a 120V AC outlet. With the probe) between the chassis and the anode lead. unit