Ramsey Electronics URC1 Manual de Instruções

WSR-1A• 1 WSR-1A WEATHER SATELLITE RECEIVER Ramsey Electronics Model No. WSR-1A Can’t trust the weatherman? Now you can be your own weatherma

WSR-1A• 10 allows only frequencies in the needed range to come through. By doing this, it reduces the noise produced by a weak reception, since noise

WSR-1A• 11 CONSTRUCTION OF THE WEATHER SATELLITE RECEIVER Sort out all of your parts to begin with, making sure you have all of the parts required.

WSR-1A• 12  15. Install C26, a .001uF ceramic capacitor (marked .001, 1n, or 102).  16. Install R15, a 1K ohm resistor (brown-black-red).  17. Ins

WSR-1A• 13  29. Install C32, a 10pF ceramic capacitor (marked 10).  30. Install R38, a 270 ohm resistor (red-violet-brown).  31. Install C31, anot

WSR-1A• 14  49. Install C18, a 100pF ceramic capacitor (marked 100 or 101).  50. Install C11, another 39pF ceramic capacitor (marked 39).  51. Ins

WSR-1A• 15  64. Install R7, a 1K ohm resistor (brown-black-red).  65. Install R8, a 68K ohm resistor (blue-gray-orange).  66. Install R16, a 22K o

WSR-1A• 16  80. Install C15, a 100uF Electrolytic capacitor. Pay close attention to the polarity markings!  81. Install L7, the LB53303HK variable

WSR-1A• 17  101. Install C16, another 10uF electrolytic capacitor. Check polarity!  102. Install R14, a 3.3K ohm resistor (orange-orange-red). Now

WSR-1A• 18  117. Install VR1, the 5 volt regulator. Make sure the tab is facing the PC board when it is bent over as shown in the diagram. If you wi

WSR-1A• 19 you will see some polarity markings. The pin marked with the positive symbol (+) is inserted in the hole that is not touching the ground p

WSR-1A• 2 RAMSEY TRANSMITTER KITS • FM-10 FM Stereo Transmitter • FM-1,2,3,4 FM Wireless Microphones • PB-1 Telephone Transm

WSR-1A• 20  138. Now it is time to install the LED indicators, D2 - D9. These are a little tricky since they will have to have long enough leads to

WSR-1A• 21 Align the main board with the display board and notice how the pads on each board line up with each other. To assist with assembly, as wel

WSR-1A• 22 CASING IT UP  1. Locate the case and knob parts. The following is what you should have:  1 Rear panel with square hole  1 Front panel

WSR-1A• 23 INITIAL TESTING To begin initial testing we will need a few items to make the job a little easier on ourselves. Gather these things toget

WSR-1A• 24  9. Turn the volume up 1/4 clockwise. You should be hearing some noise from the speaker buzzer. If not, check to make sure that lead TP1

WSR-1A• 25 TROUBLESHOOTING TIPS PROBLEM: Very little noise from the speaker when adjusting the coils. Adjusting has little effect. SOLUTION: Check

WSR-1A• 26 ANTENNAS There are several considerations when deciding what antenna to use with your WSR-1. As with almost everything there are some sac

WSR-1A• 27 The last practical usable type is the volute VHF antenna. It looks like a twisted set of wire, but it is quite effective for receiving sat

WSR-1A• 28 BUILDING AN ANTENNA (for your WSR-1 weather satellite receiver) We will show you the dimensions and the connections required as well as t

WSR-1A• 29 13.13 in 13.13 in 13.13 in 13.13 in TURNSTILE WIRING DIAGRAM (CLOSE UP) Fig A Fig B

WSR-1A• 3 WSR-1A WEATHER SATELLITE RECEIVER KIT Ramsey Publication No. WSR-1A Price $5.00 TABLE OF CONTENTS Introduction to the WSR-1A ...

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WSR-1A• 31 PREAMP INSTALLATION This part assumes that you have completely assembled your preamp that came with this kit. This preamp operates off of

WSR-1A• 32 HOW TO RECEIVE A TRANSMISSION The easiest way to receive a transmission is to know when one is coming, and what format it will be in. The

WSR-1A• 33 page 17, step110 page 22, step 140

WSR-1A• 34 SPECIFICATIONS Sensitivity ... 1uV or -107dBm without preamp

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WSR-1A• 37 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting

WSR-1A• 38 WSR-1A Weather Satellite Receiver Quick Reference Page Guide Introduction to the WSR-1A ... 4 Parts list ...

WSR-1A• 4 INTRODUCTION TO THE WEATHER SATELLITE RECEIVER The days of guessing the weather by looking at the clouds overhead have just ended. Now you

WSR-1A• 5 sensors are facing away from the earth, it sends the infrared data. The user then sees the data as two images side by side, on the left the

WSR-1A• 6 RAMSEY WSR PARTS LIST Semiconductors 1 LM386 Audio Power Amplifier (U1)  1 MC13135 FM Demodulator (U2)  1 MC145170 Digitally c

WSR-1A• 7 RAMSEY WSR PARTS LIST Capacitors cont... 4 22pF ceramic capacitors (marked 22) (C29,C44,C45,C53)  1 15pF ceramic capacitor (marke

WSR-1A• 8 RAMSEY “LEARN-AS-YOU-BUILD” ASSEMBLY STRATEGY Be sure to read through all of the steps, and check the boxes as you go to be sure you didn

WSR-1A• 9 WSR-1A CIRCUIT DESCRIPTION The Weather Satellite Receiver is a fairly complex receiver as compared to most of the other receiver kits that