Samsung cha-4217 5807l 154 free download

File name cha-4217_5807l_154.pdf

COLOR MONITOR CHA4217L CHA4227L CHA5807L CHA5227L SERVICE Manual COLOR MONITOR CONTENTS 1. Precautions 2. Reference Information 3. Product Specifications 4. Operating Instructions 5. Disassembly & Reassembly 6. Alignment & Adjustments 7. Troubleshooting 8. Exploded View & Parts List 9. Electrical Parts List 10. Block Diagram 11. PCB Diagrams 12. Wiring Diagram 13. Schematic Diagrams Samsung Electronics Co., Ltd. August 1998 Printed in Korea Code No.: BH68-61127A 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