Ramsey Electronics EDF1 инструкция обслуживания

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 . • An easy way to irritate your friends and family and learn some basic elec tronics too ! Who would’ve ever thought that you would want the sound of a dripping f[...]

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 Broadcast Receiver • AR1 A ir craft Band R eceiver • SR2 Shortwave Receiver • AA7 A cti ve A n tenna • SC1 Shortwave Converter RA MSEY H OBBY KIT S[...]

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 ................... 5 Parts List ................ ............. ........[...]

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 surprise that special someone, but the sound just wasn’t irritating enough? Well, he lp has arrived! The Rams ey EDF1 will provide y ou with a small, eas[...]

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. • Use only rosin-core solder intended for electronics use. • Use bright lighting, a magnifyin[...]

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. Som etimes the parts in your kit may have a differe[...]

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. Instal l it do w n at the bottom middle of the board. Be sure to lin[...]

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.  21. Install R1, 100K ohm resistor [br[...]

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 . The very fact [...]

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 • Helping Hands Holder for PC Board/Parts (HH3) • Technician’s To ol Kit (TK405) • Desolderin g Braid (RTS08) TOTAL SOLDER POINTS 77 ESTIMATED ASS[...]