Daewoo L510B free download

File name L510B.pdf

Service Manual XGA COLOR MONITOR Model : L510B DAEWOO ELECTRONICS CO., LTD. http : //svc.dwe.co.kr June, 2001 CONTENTS SAFETY PRECAUTIONS GENERAL SAFETY INFORMATION SERVICING PRECAUTIONS TECHNICAL INFORMATION GENERAL INFORMATION PIN CONNECTOR CAUTIONS FOR ADJUSTMENT AND REPAIR OPERATION & ADJUSTMENT ALIGNMENT PROCEDURE TROUBLESHOOTING HINTS BLOCK DIAGRAM PCB LAYOUT SCHEMATIC DIAGRAM EXPLODED VIEW & MECHANICAL PARTS LIST INFORMATION OF PART DESCRIPTION ELECTRICAL PARTS LIST 1 2 3 6 7 8 8 9 14 15 22 23 27 29 30 31 SAFETY PRECAUTIONS CAUTION: No modifications of any circuits should be attempted. Service work should be performed only after you are thoroughly familiar with all of the following safety checks and servicing guidelines. x Safety Check Care should be taken while servicing the inverter that generates the high voltage to lighten CCFL of the LCD panel. x Fire & Shock Hazard · Insert an isolation transformer between the analog color display and AC power line before servicing the chassis. · When servicing, pay close attention to the original lead dress especially in the high voltage circuit area; if a short circuit is found, replace all parts which have been overheated as a result of the short circuit. · All the protective devices must be reinstalled per original design. · Soldering must be inspected for possible cold solder points, frayed leads, damaged insulation, solder splashes or sharp solder points. Be certain to remove all foreign materials. 1 GENERAL SAFETY INFORMATION x Terms in the manual CAUTION Statements identify conditions or practices that could result in damage to the equipment or other property. WARNING Statements identify conditions or practices that could result in personal injury or loss of life. x Terms as marked on equipment Statements indicate a personal injury hazard not immediately accessible as one reads the marking or a hazard which is properly included on the equipment itself. WARNING Statements are clearly concerning indicated personal injury hazards. CAUTION x Symbols in the manual The symbols indicate where applicable cautionary or other information is to be found. x Symbols as marked on equipment Protective GROUND terminal x High Voltage Warning And Critical Component Warning Label The following warning label is on the inverter isolation case. 2 SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this service manual, its supplements, and addendum, please read and follow the SAFETY PRECAUTIONS of this manual. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 1 of this manual, always follow the safety precautions. Remember: Safety First. x General Servicing Precautions 1. Always unplug the AC power cord from the AC power source before: a. Removing or reinstalling any component, circuit board, module, or any other instrument assembly. b. Disconnecting or reconnecting any electrical plug or other