Ramsey Electronics rrw1b manual

Ramsey Electr onics Model N o. RR W1B Have you ever been fr ustrated wi th the rang e of your remote controls? Tir ed of havi ng to bounc e your IR remote off of ceilings an d walls ? Do you want to r un your s ystem fr om another r oom or fl oor? H ere is the ans wer to y our pray ers! Extend the r ange of y our rem ote controls through w alls, ar[...]

RRW1B • 2 RAMSEY TRANSMITTER KITS • FM100B Professio nal FM Ster eo Transmitter • FM25B Sy nthesized Stereo FM Tr ansmitter • MR6 Model Roc ket Tracking Tr ansmitter • TV6 Television Trans mitter RAMSEY RECEIVER KITS • FR1 FM Broad cast Receive r • AR1 Aircr aft Band Receiver • SR2 Shortwave Rec eiver • SC1 Shortwave Conv erter RA[...]

RRW1B • 3 RR W1B WIRELESS REMOTE REPEA TER KIT (Receiver) TABLE OF CONTENTS Introduct ion ............................................ 4 Circuit T heor y ........................................ 5 Learn As You Bu ild ............................... 7 Parts List ............................................... 9 Assem bly ..........................[...]

RRW1B • 4 RRW1B INTRODUCT ION W elcome to the RRW 1B kit (and if you do n’t have t he tim e, the wire d and tested ver sion). L et’s t ake a m oment to hel p you und erstand t he basic workings of IR rem ote contr ols and h ow the RRW 1 pair work s. This will better h elp you understa nd what you are a bout to bui ld. As sim ple as i t ma y l[...]

RRW1B • 5 RRW1 P A IR T HEORY OF OPER A TION The RRW 1A (tr ansmitter b oard) m a y lo ok quite s imple but there is actua lly quite a lot being done insid e each one of the par ts. Ma ny indi vidual c ompo- nents are packed ins ide of the IR rece iver par t (U2) its elf; so m an y in f act that if it was built u p with dis cret e com ponents, it[...]

RRW1B • 6 W hen the IR detector on the RRW 1A (transm itter boar d) “sees ” a 38 kH z IR signal, t he output of the det ector goes low ( it is inver te d). W hen there is no 38 kHz signal present th e outp ut idles high. On the output of the IR detector you won’t see t he 38 k Hz, just t he data that the 38 k Hz repres ents fr om your IR re[...]

RRW1B • 7 RAMSEY “LE ARN-AS-YOU-BUILD” ASSEMBLY STRATEGY Be sure to read thr ough a ll of the s teps, and c heck the boxes as you go t o be sure you didn't m iss an y important s teps. Alt hough you m ay be in a h urr y to see results, bef ore you switch on the power c heck all wiring an d capac itors f or proper or ientat ion. Also c he[...]

RRW1B • 8 This project wil l not work as well as you m ay wish if you jus t slap it t ogether without f ollowing good as sem bly techniques and all of the ins tructio ns. No matter how clear we ma y think our manual is , if you have any ques tions gi ve us a call at the factor y instead of jumping to c onclus ions. W e will be happ y to help you [...]

RRW1B • 9 PART S SUPPLIED WITH Y OUR RRW1B ( RECEIVER) Capacitors  2 10 pF cer amic capacit or (mar ked 10 or 10 K) [C 27,28]  1 0.001 uF ceram ic capacitor (m arked .001, 10 2 or 1 nF ) [C29]  1 0.01 uF ceram ic capacitor (m arked .01, 103 or 10 nF ) [C20]  4 0.1 uF cer am ic capacitor (m arked .1, 104 or 100 nF) [ C21,24,2 6,30] [...]

RRW1B • 10 ASSE MBLY OF THE RRW1B Assem bly of the u nit is s traight f orward but it does requ ire som e time and patience. T o get o ur bearin gs, we wil l start b y mountin g the power jack and move on f rom ther e. It serv es as a g ood ref erence poi nt for the o ther parts .  1. Install J22, the 2.1 mm power jac k. Be s ure to get a soli[...]

RRW1B • 11  12. Instal l U21, the PIC12C 509A (m ark ed RR). Make s ure the notch indi- cating pi n one is in the s ame orie ntatio n as sho wn on t he silk screen an d Parts La yout Diagr am . This is the “brains ” of the RRW 1B, gen erating your 38 kHz s ignal dep endin g on the dat a see n from the rec eiver.  13. Instal l C26, a 0.1[...]

RRW1B • 12  28. Instal l C20, a 0.0 1 uF c eram ic capacitor ( mark ed 103).  29. Instal l R22, a 47 0 ohm resistor ( yellow-vio let-brown) .  30. Instal l C29, a 0.0 01 uF ceram ic capac itor (m arked 102).  31. Instal l L21, t he other 33 nH four turn in ductor. T his c oil com bined with C28 mak es the am plifier of Q20 s electi ve[...]

RRW1B • 13  39. The IR LED wiring off ers you a b it of flex ibilit y to cus tom m atch the RRW 1B to your app licat ion. You will ne ed to d eterm ine how lo ng of a wire you will actuall y need to f it the job at h and and then cut it to lengt h. The 2 foot piece of wire t hat is supplied with th e kit is m or e than enough f or m ost of the[...]

RRW1B • 14 TEST ING T HE RRW1B To tes t the RRW 1B receiv er, you will ne ed to use a fun ctional RRW 1A trans- mitter . You just n eed to ha ve faith t hat you have ass emble d ever ything cor- rectly up t o this po int! It can be ver y diff icult to trou bleshoot this item witho ut some good equipm ent so we will have to d o it the old f ashion[...]

RRW1B • 15 USING THE RRW1 There reall y is no secret to using the RRW 1 system. You prim aril y want to position the RRW 1B in the ster eo cabine t or on to p of your com ponents so the antenna ca n stick up. The RRW 1A should b e placed s o that th e IR sensor can see your r emote c ontrol’s I R signal and is i n the locati on you want your re[...]

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RRW1B • 17 RRW1B P A RT S LAYOUT DIAGR A M[...]

RRW1B • 18 TROUBLESHOOTING THE RRW1B PROBLEM: No m atter how I adj ust R20, t he LED will not ligh t. SOLUTI ON: Check the orie ntation of D20, it m a y be you inst alled it back - wards. If not, check y our po wer, you sho uld see +5V o n pins 5 and 6 of U20. If you have no po wer, check the wa ll transf orm er to make s ure the cent er lu g is [...]

RRW1B • 19 The Ramsey Kit Warr anty Please read carefully BEFORE ca lling or writing in about y our kit. Most pro blems can be solved without contacting the factory. Notice that this is not a "fine print" w arrant y. We want you to understand your rights and ours too ! All Ramsey kits w ill work if assembled properly. The very fa ct tha[...]

RRW1B • 20 RRW1B REM OTE REPE ATER KIT Quick Refe rence Page Gu ide Introduction ............................................ 4 Circuit T heor y ........................................ 5 Learn As You Bu ild ................................7 Parts List ............................................... 9 Assem bly ...................................[...]