Elenco Logic Probe Kit Manuel d'utilisateur Page 1

LOGIC PROBE KITMODEL LP-525KAssembly and Instruction ManualCopyright © 2013, 1994 by Elenco®Electronics, Inc. All rights reserved. Revised

-9-CAUTION: Do not connect the alligator clips to any AC power source or to DC power source greater than35VDC. Failure to comply to this warning may

-10-Alternating Current (AC) Non-polarized power that isconstantly changing back andforth between positive andnegative.Anode The positive ter

ELENCO®150 Carpenter Avenue • Wheeling, IL 60090(847) 541-3800 • www.elenco.com • e-mail: [email protected] DIAGRAMREV-C

Qty. Symbol Description Part #! 1 D6 1N4002 Diode 314002! 5 D1 - D5 1N4148 Diode 314148! 2 Q2, Q4 2N3904 Transistor 323904Qty. Symbol Description Part

-2-Warning:If the capacitor isconnected withincorrect polarity, itmay heat up andeither leak, orcause the capacitorto explode.IDENTIFYING RESISTOR VAL

-3-SPECIFICATIONSInput Impedance 1MΩInput Overload Protection 35V DC continuousThresholds Logic 1 Logic 0TTL 2.3 + .25V 0.80V + .1VCMOS 70% Vcc 30% Vc

-4-CONSTRUCTIONSolderSoldering IronFoilSolderSoldering IronFoilComponent LeadSoldering IronCircuit BoardFoilRosinSoldering iron positionedincorrectl

-5-ASSEMBLE COMPONENTS TO THE PC BOARDRefer to the top legend on the PC board, install and solder the following resistors.R13 - 18kΩ Resistor(brown-gr

ASSEMBLE COMPONENTS TO THE PC BOARDRefer to the top legend on the PC board, install and solder the following diodes, capacitors and jumper wires.D1 -

-7-ASSEMBLE COMPONENTS TO THE PC BOARDRefer to the top legend on the PC board, install and solder the following components.Cut a 3/8” piece of tu

! Install the power cord as shown in Figure 9. Solder the red wire to holemarked “+” and the green wire to the hole marked “–” (see Figure 9).!