Ramsey Electronics LEDS1 Manuel d'instructions

WCT3  1 Wireless Control Tester Ramsey Electronics Model WCT3 FEATURES  Verifies presence of 315MHz, 433MHz, 125KHz, 20KHz and Infrared con

WCT3  10 WCT3 PARTS LIST Each type and value of a surface mount component, (indicated by “[smt]”), is placed in its own labeled baggie. Be awa

WCT3  11 1 9V battery snap clip with red and black wires 1 Antenna bundle assembly (Pre-Assembled. DO NOT DEFORM) 1 WCT3 Circuit board

WCT3  12 RAMSEY “LEARN-AS-YOU-BUILD” ASSEMBLY STRATEGY Completely read through all of the steps and check the boxes as you go to be sure you didn

WCT3  13 circuit board pad simultaneously. Apply a little more solder to the component lead and the pad when they are hot enough to melt the sol

WCT3  14 ASSEMBLY STEPS Surface Mount Semiconductor Installation 1. Orient the board as shown in the board layout diagram on page 1 2. Inst

WCT3  15 Resistor Installation: Let’s start with the four(4) 560 ohm resistors, marked 561. 9. Install R18, 560 ohm resistor 10. Install

WCT3  16 31. Install R27, 10K ohm resistor Almost there… let’s do the 150K ohm resistor, marked 154. 32. Install R31, 150K ohm resistor Locat

WCT3  17 47. Install C9, .01uF capacitor 48. Install C10, .01uF capacitor 49. Install C14, .01uF capacitor 50. Install C15, .01uF capacit

WCT3  20 Thru hole component installation: The remainder of the components are thru hole components. When installing all except the LED’s they sh

WCT3  21 61. Install D1, a RED LED 62. Install D6, a RED LED 63. Install D7, a GREEN LED 64. Install D10, a GREEN LED 65. Install D8, a

WCT3  2 PARTIAL LIST OF AVAILABLE KITS: RAMSEY TRANSMITTER KITS FM10A, FM25B, FM30, FM Stereo Transmitters FM100B, FM35 Professional

WCT3  22 ANTENNA PLACEMENT Figure 2 TR1 TR2 TR3 S1

WCT3  23 FINAL ASSEMBLY You’re on the final leg of your journey. Now we’ll do some final mechanical assembly and testing and you’ll be using you

WCT3  24 the operation. Refer to “Theory of Operation”, on page 5, or “Troubleshooting”, on page 28, sections of this manual for further informa

WCT3  25 Using the WCT3: 1. Press and hold the “Press To Test” button on the WCT3. The “Test Ac-tive” indicator will illuminate and any or all

WCT3  26 315MHz signal test: While holding the remote control in close proximity to the WCT3, activate the WCT3 and then the device under test. Re

WCT3  27 Building access system signal test: This test assumes the access control system produces a constant 125KHz signal. Activate the WCT3 wh

WCT3  28 FINDING THE PROBLEM: You will need to have a multimeter available to proceed with the following procedures. Pushbutton S1 MUST be press

WCT3  29 PROBLEM: D1 lights but I don’t get any indications from one or more of the sections Measure the voltage / resistance at the following

WCT3  30 If you see a very small change and it does not go over the 1300mV it may be that the signal is not strong enough or there is a problem wi

WCT3  31 USER NOTES:

WCT3  3 WCT3 Wireless Control Tester Ramsey Publication No. WCT3: Manual Price Only $5.00 TABLE OF CONTENTS Introd

WCT3  32 HOW TO RETURN YOUR WCT3 FOR SERVICE OR CONTACT US FOR MORE HELP If you are still unable to solve your kit problems you may send your kit

WCT3  33 THE RAMSEY KIT WARRANTY 1. GENERAL: Notice that this is not a "fine print" warranty. We want you to understand your rights

WCT3  34 RAMSEY ELECTRONICS, LLC 590 Fishers Station Drive Victor, New York 14564 Phone (585) 924-4560 Fax (585) 924-4555 Manual Price Only:

WCT3  4 INTRODUCTION The WCT3 can be used to detect 315MHz, 433MHz, 125KHz, 20KHz and In-frared signals generated by various devices such as, but

WCT3  5 THEORY OF OPERATION The WCT3 consists of 4 separate stages, one for each of the wireless control signals to be detected. The sections ar

WCT3  6 amplifier stage formed by U1B and the resistors R5, R6, R8 and capacitor C7. U1B is a high gain, high frequency, high input resistance, l

WCT3  7 is a spiral circuit trace near the ANT1 connection on the left side of the board. You will also notice that the detector diodes D3 and D

WCT3  8 “+4.5V” voltage is referenced to the signal ground and not the power ground. If a reading is taken between the power ground and signal gr

WCT3  9 can move your hand REALLY, REALLY, REALLY …. fast. (If you can move that fast there are probably some military research facilities that