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Hewlett Packard "DC Detective" for Power Supplies Original Hewlett Packard service note in excellent condition, crisp pages. A simplified general procedure for localizing a power supply failure. This service note is a troubleshooting primer that takes advantage of circuit similarities among various HP Power Supplies and describes basic fault-isolation techniques that are common to HP Power Supplies. - Section 1: Simplified Power Supply Block Diagram - Section 2: Initial Repair Checks for Common Failure Causes - Section 3: The Operational Amplifier Analogy - Section 4: Separating the Power Supplies Trouble Between Reference & Regulator Circuits - Section 5: Systematic Troubleshooting of the Regulator - Opening the Loop and Localizing the Failure Cause - Section 6: Isolating Problems in "Piggy-Back" Power Supplies - Section 7: Summary - A General Troubleshooting Procedure for Power Supplies PHOTO BELOW IS OF THE ACTUAL MANUAL (Hp "dc detective" for power supplies ~service note m-38 is the responsibility of Frieda Hicks) |
f_hicks@cedar--rapids.com (Frieda Hicks) for more information.
