ADVENT Advent Q1435A service manual free download

File name Advent Q1435A_service_manual.pdf

SERVICE MANUAL CONTENTS X-RAY RADIATION PRECAUTION...1 SAFETY PRECAUTION...1 PRODUCT SAFETY NOTICE...2 INSTALLATION AND SERVICE ADJUSTMENTS...3 GENERAL INSTRUCTION...3 ALIGNMENT ITEMS AND PROCEDURE...3 FACTORY ADJUSTMENT MODE...4 CHECKING POINT...5 PRESET THE FOLLOWING IN FACTORY...6 FACTORY MENU...6 CONVERGENCE MAGNET ASSEMBLY POSITIONING...8 COLOR PURITY ADJUSTMENT...8 CONVERGENCE ADJUSTMENT...8 CENTER CONVERGENCE ADJUSTMENT ...8 CIRCUMFERENCE CONVERGENCE ADJUSTMENT ...9 USA CHANNEL FREQUENCY TABLE (181 CH)...10 WIRING DIAGRAM...12 BLOCK DIAGRAM...13 IC BLOCK DIAGRAM...14 SCHEMATIC DIAGRAM...19 ELECTRICAL PARTS LIST...20 CAUTION: THIS SERVICE MANUAL IS ONLY FOR PROFESSIONAL SERVICE PERSONNEL'S REFERENCE. BEFORE SERVICING THIS CHASSIS, PLEASE READ THE FOLLOWING NOTICE ITEMS. 0 SAFETY INSTRUCTION Before servicing and aligning this equipment, please read the following "X-RAY RADIATION PRECAUTION" ,"SAFETY PRECAUTION" and "PRODUCT SAFETY NOTICE". X-RAY RADIATION PRECAUTION 1 Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must not be above the specified limit. The normal value of the high voltage of this receiver is 29 or 26.5kV(20") at zero beam current (minimum brightness) under 120V AC power source. the high voltage must not, under any circumstances, exceed 32kV. 2 Each time a receiver requires servicing, the high v