Tektronix dc503a free download

File name dc503a .pdf

TM 9-6625-474-14&P-3 TECHNICAL MANUAL OPERATOR, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS) FOR UNIVERSAL COUNTER/TIMER, TEKTRONIX, MODEL DC 503A (NSN 6625-01-114-4890) DEPARTMENT OF THE ARMY 26 DECEMBER 1984 TM 9-6625-474-14&P-3 WARNING DANGEROUS VOLTAGE is used in the operation of this equipment DEATH ON CONTACT may result if personnel fail to observe safety precautions Never work on electronic equipment unless there is another person nearby who is familiar with the . . operation and hazards of the equipment and who is competent in administering first aid. When the technician is aided by operators, he must warn them about dangerous areas. Whenever possible, the power supply to the equipment must be shut off before beginning work on the equipment. Take particular care to ground every capacitor likely to hold a dangerous potential. When working inside the equipment, after the power has been turned off, always ground every part before touching it. Be careful not to contact high-voltage connections when installing or operating this equipment. Whenever the nature of the operation permits, keep one hand away from the equipment to reduce the hazard of current flowing through vital organs of the body. WARNING Do not be misled by the term "low voltage." Potentials as low as 50 volts may cause death under adverse conditions. COMMON and probe ground straps are electrically connected. Herefore, an elevated reference applied to any is present on each - as indicated by the yellow warning bands under the probe retractable hook tips. For Artificial Respiration, refer to FM 21-11, Power Source This product is intended to operate in a power module connected to a power source that will not apply more than 250 volts rms between the supply conductors or between either supply conductor and ground. A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation. a/(b blank) TM 9-6625-474-14&P-3 Copyright 1980 Tektronix, Inc. All rights reserved. Reproduced by permission of copyright owner. TECHNICAL MANUAL