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POWER SUPPLY KIT

MODEL XP-15K

Assembly and Instruction Manual

Elenco Electronics, Inc.

Copyright © 1991 Elenco Electronics, Inc.

Revised 2001        REV-H  

753015

Summary of Contents for XP-15K

Page 1: ...POWER SUPPLY KIT MODEL XP 15K Assembly and Instruction Manual Elenco Electronics Inc Copyright 1991 Elenco Electronics Inc Revised 2001 REV H 753015...

Page 2: ...assis Box 623240 1 Bushing 2 Wire 624002 1 Binding Post Black 625031 2 Nut Binding Post 625031HN 2 Lockwasher Binding Post 625031LW 1 Binding Post Red 625032 2 Screw 4 40 x 1 4 641430 2 Screw 6 32 x 5...

Page 3: ...of the tip will eliminate problems Use only rosin core solder of 63 37 alloy DO NOT USE ACID CORE SOLDER Whenever possible attach wire leads onto terminal lugs by forming tight mechanical connections...

Page 4: ...he nut and lockwasher see Figure C Tighten down the nut with pliers Install the transformer with the black wires as shown in Figure A Use a 6 32 x 5 16 screw a 6 lockwasher and a 6 nut on each side to...

Page 5: ...ne end of the 1 5k resistor brown green red gold to terminal 1 of the terminal strip Solder one end to the LED lead Fasten the flat side lead of the LED to the middle lug of the 2k pot Fasten the posi...

Page 6: ...on the lug Solder the other end to the black binding post when soldered there should be two wires and two capacitors on the lug Cut a 2 piece of wire and strip 1 4 of insulation off both ends Solder...

Page 7: ...relief into the hole Separate the two line cord wires Place 1 of shrink tubing over each black transformer wire Solder the line cord wires to the black transformer wires as shown in the figure Slide...

Page 8: ...in the IC sense the overload and turn off the output Figure 1 shows a simplified circuit diagram of the power supply It consists of a power transformer a DC rectifier stage and the regulator stage TR...

Page 9: ...orks Transistors Q1 and Q2 form a circuit known as a differential amplifier Transistor Q1 s base is connected to a stable 1 5V reference voltage The base of Q2 is connected to the regulator output cir...

Page 10: ...B when the cathode is more positive than the anode C in one direction D when a negative or positive voltage is on the anode 4 What circuit is more efficient for rectifying AC to DC A Hartley oscillato...

Page 11: ...SCHEMATIC DIAGRAM 10...

Page 12: ...Elenco Electronics Inc 150 W Carpenter Avenue Wheeling IL 60090 847 541 3800 http www elenco com e mail elenco elenco com...

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