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File name Hyundai HU-D21NK chassis 3N10sch.pdf

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File name Hyundai HU-D21NK chassis 3N10SM.pdf

Almog Moshe CONTENTS PAGE X-Ray RADIATION PRECAUTION ... SAFETY PRECAUTION ... PRODUCT SAFETY NOTICE ... CHASSIS ADJUSTMENT... COMPLETE MACHINE GENERAL ADJUSTMENT... NOTES... COLOUR PURITY AND CONVERGENCE ADJUSTMENT ... BLOCK DIAGRAM ... WIRE DIAGRAM ... SCHEMATIC DIAGRAM... SPECIFICATIONS... 2 2 2 3 3-5 5 6 7 8 1 CAUTION Before serving the chassis, read the "X-Ray Radiation Precaution", "Safety Precaution" and "Product Safety Notice" on page 2 of this manual. 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 24KV at zero beam current (minimum brightness) under 220V AC power source. The high voltage must not, under any circumstances, exceed 29KV. 2. Each time a receiver requires servicing, the high voltage should be checked following the High Voltage Check procedure in this manual. It is recommended the reading of the high voltage be recorded as a part of the service record. It is important to use an accurate and reliable high voltage meter. 3. The primary source of X-Ray Radiation in this TV Receiver is the picture tube. For continued X-Ray Radiation protection, the replacement tube must be exactly the same type tube as specified in the part list. 4. Some parts in this receiver have special safety ­ related characteristics for X-Ray Radiation protection. For continued safety, parts replacement should be undertaken only after referring to the Product Safety Notice. SAFETY PRECAUTION Warning: Service should not be attempted by anyone unfamiliar with necessary precaution on this receiver. The following are the necessary precautions observed before servicing this chassis. 1. Since the power supply circuit of this receiver i