Proview RA783 free download

File name Proview RA783 LCD Service Manual.pdf

RA783 Service Manual TABLE OF CONTENTS SERVICE WARNING·····································1 A. I M P O R T A N T S A F E T Y I N S T R U C T I O N · · · · · · · · · · · · · · · · · · · · · 1 B. S P E C I F I C A T I O N S · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2 C. T I M I N G C H A R T · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3 D. C O N T R O L L O C A T I O N · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5 E. CONDUCTION VIEW···································6 F. ADJUSTMENT PROCEDURE····························11 G. T R O U B L E S H O O T I N G H I N T S · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 2 H. B L O C K D I A G R A M · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 6 I. S C H E M A T I C D I A G R A M · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 7 WARNING To prevent from fire or shock hazard,do not expose monitor to any rain or any form of water.High voltage is inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified monitor engineer.Contact the local dealer or the nearest Proview branch office if you need help. A. IMPORTANT SAFETY INSTRUCTION Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product. 1. Read all of these instructions. 2. Save these instructions. 3. Follow all warnings and instructions a marked on the product. 4. Unplug this product from the wall outlet before cleaning.Do not use liquid cleaners or aerosol cleaners, use a damp cloth for cleaning. 5. Do not use this product near water. 6. Do not place this product on an unstable cart,stand or tablle.The product may fall,causing serious damage to the product. 7. Slots and openings in the cabinet and the back or bottom are provided for ventilation,to ensure reliable operation of the product and to protect it from overheating,those openings must not be blocked or covered.The openings should never be blocked by placing the product on a bed,sofa, rug, or other similar surface.This product should not be placed in a built-in installation less proper ventilation is provided. 8. This products should be operated from the type of power source indicated on the marketin label. If you are not sure of the type of power available, consult your dealer or local power company 9. This product is equipped with a 3-wire grounding type plug,a plug having a third (grounding) pin.This plug will only fit into a grounding-type power outlet.This is a safety feature,if you are unable to insert the plug into the outlet,contact your electrician to replace your obsolete outlet.Do not defeat the purpose of the grounding-type plug. 10. Do not allow anything to rest on the power cord.Do not locate this product where persons will walk on the cord. 11. If an extension cord is used with this product,make sure that the tot