Instruction/ maintenance manual of the product EDF1 Ramsey Electronics
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EDF1 • 1 Electronic Dripping Faucet Ramsey Electronics Model No. EDF1 • Unusual sound. • Adjustable volume and decay. • Runs on 4V to 9V DC. • Small size for eas y mounting .
EDF1 • 2 PARTIA L LIS T OF AVAI LA BLE KI TS: RA M SEY T RA N SMIT T ER K ITS • FM10A , FM25B F M Stereo Trans mitters • AM 1 , AM2 5 Tr an s m i t t e r RAMSE Y RECEI VE R KITS • FR1 FM Broad.
EDF1 • 3 Electronic Dripping Faucet Ramsey Pu blication No. EDF1 Manual Pri ce Only $5.00 TABLE OF CONTENTS Introduction to the EDF1 ................... ................ 4 EDF1 Circuit Description ............... .............. ...... 4 “Learn-As-You-Build” Kit As sembly .
EDF1 • 4 INTR OD UC TIO N Have you ever had a project that you needed an alarm or alert signal for, but you were tired of the same old “beep beep”? Have you ever made an annoyance alarm to surpr.
EDF1 • 5 RAMSEY Learn-As-You-Build KIT ASSEMBLY There ar en’t that m any solder c onnection s on the EDF1 prin ted circuit board, but you should still p ractice good soldering techniques. • Use a 25-watt soldering pencil w ith a clean, sharp tip.
EDF1 • 6 EDF1 PA RTS LI ST Sort and “check off” the components in the boxes provided. W e do our best to pack all our kits correctly but it is possible that a m istake has occurred and w e missed a part. Please note that phy sical descriptions of parts are for those currently being sh ipped.
EDF1 • 7 EDF1 PC BOARD ASSEMBLY STEPS Remember to save at least one clipped off component lead for use as a jumpe r later in th e constructio n proces s. 1. Let’s start with U2, the NE555 time r. The NE555 repeatedly starts the oscillator that produ ces the dripping sound.
EDF1 • 8 17. Install R10, 2K ohm resistor, [red-black-red] und er Q1. 18. Install R5, 10K ohm resistor [brow n -black -orange] , to the righ t of R10 19. Install C3, .01 uF ceramic disc capacitor [marked 103] next to R5. 20. Install R4, 47K ohm resistor [yellow -violet-orange], next to C3.
EDF1 • 9 EDF1 M AIN BOARD PARTS L AYOUT DIAGR AM.
EDF1 • 10.
EDF1 • 11 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about y our kit. Most problems can be solved wit hout contacting the factory. Notice that thi s is not a "fin e print" w ar ranty. We want you to u nderstan d your rights a nd ours too ! All Ramsey kits w ill work if assemble d properly .
EDF1 • 12 REQUIRED TOOLS • Soldering Iron ( W LC100) • Thin Rosin Core Solder (RTS12) • Needle Nose Pliers (MPP4 or RTS05) • Small Di agonal Cu tters (RTS04) ADDITIONAL SUGGESTED IT EMS • .
An important point after buying a device Ramsey Electronics EDF1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ramsey Electronics EDF1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ramsey Electronics EDF1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ramsey Electronics EDF1 you will learn all the available features of the product, as well as information on its operation. The information that you get Ramsey Electronics EDF1 will certainly help you make a decision on the purchase.
If you already are a holder of Ramsey Electronics EDF1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Ramsey Electronics EDF1.
However, one of the most important roles played by the user manual is to help in solving problems with Ramsey Electronics EDF1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ramsey Electronics EDF1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
