A ver si encuentras algo que te interesa aquí:
http://www.uoguelph.ca/~antoon/
http://schforfree.seedhost.com/archive/http://www.abcdatos.com/tutoriales/electronicayelectricidad/electronica/circuitos/audio.htmlhttp://www.steren.com.mx/diagramas/diagramas_int.asp?categoria=todoshttp://www.portalambato.com/Consultas/electronica.htmhttp://www.geocities.com/siliconValley/Bay/3052/http://www.electronic-projects.net/index.htm http://www.circuitsonline.net/download/
http://www.xs4all.nl/~janfreak
http://www.elistas.net/lista/electronica/ficheros/1 ficheros
http://www.comunidadelectronicos.com/sitios2.htm#circuitos http://commlinx.com.au/schematics.htm http://www.electronic-circuits-diagrams.com/cars_circuits.shtmlhttp://www.designnotes.com/Circuits.htmhttp://www.maxoverclocking.tk/
http://esp.lanzan.comhttp://pablin.com.ar/electron/circuito/index.htmhttp://varol.cjb.net http://www.aaroncake.net/circuits/index.asp http://www.citycom.gr/electronics/downcircuits/morecir_1.htmhttp://www.civila.com/guatemala/hrmdl/guatemala/hrmdl/tabletas/tabletas.htm http://www.comunidadelectronicos.com/proyectos/probador-cr.htm http://www.comunidadelectronicos.com/sitios.htmhttp://www.electronic-projects.net/data/index.shtmlhttp://www.elexp.com/links.htm http://www.epanorama.net http://www.expresspcb.com/expresspcbhtm/download.htmhttp://www.geocities.com/spagho1/schem.htmlhttp://www.hut.fi/misc/electronics/circuits/vga2tv/
http://www.iespana.es/webdegoro/decomania/todosobretv/verentv/verentv.htm http://www.imagineeringezine.com/e-zine/hcircuits.htmlhttp://www.schematicsforfree.com/test_equipment/Low_Cost_Dot_Bar_Generator.pdf http://www.pablin.com.ar/electron/circuito/instlab/videogen/videogen.ziphttp://www.intersaint.org/acid/rvpm0.htmhttp://www.lafonda.es.vg/http://www.mitedu.freeserve.co.uk/circuits/cctindex.htmlhttp://www.ricardoroldan.net/cdaudio.html -
http://www.robot.hpg.ig.com.br/eletro.html http://www.satsignal.net http://www.solorb.com/elect/
http://www.uoguelph.ca/~antoon/circ/circuits.htmhttp://www.uoguelph.ca/~antoon/gadgets/555/555.html http://www.ik8uif.it/modulatore.htm http://www.ik8uif.it/tx.htm http://www.comunidadelectronicos.com/proyectos/probador-fb.htmhttp://www.plaquetodo.com.ar (?)
http://www.bastleni.cz/schemata/#telefony http://www.mrboo.com.ar/circuitos/circuitos.htmhttp://www.alphalink.com.au/~parkerp/project.htm http://www.mitedu.freeserve.co.uk/circuits/timing/555mono.htm http://www.hc11.demon.nl/thrsim11/ddj/article.htm http://www.members.xoom.it/laserist/timer.htm http://www.perso.club-internet.fr/valleech/electro/projoif.html http://www.web.tiscali.it/i2viu/electronic/varisch.htmhttp://www.miba.de/workshop/reflex.htmhttp://www.home.cs.utwente.nl/~geerling/p_project_tel/maxplus/
http://www.pablin.com.ar/electron/proyecto/decoder/index.htmhttp://home.tiscalinet.be/ml_electronics/pic16f84/de%20pic16f84%20gebruiken.html http://www.pasc.panasonic.com/olt/97telupd/spanish/maintitle.html,
http://www.uoguelph.ca/~antoon/circ/circuits.htm http://www.uoguelph.ca/~antoon/gadgets/scrtest.html http://63.229.238.60/kv2/kv2/index.htmhttp://www.circuitos.terra.cl/curiosidades/plasma.htmftp://[email protected]/ http://www.pavouk.comp.cz http://www.qsl.net/lw2etu/tablero.htm http://ewww.motorola.com/webapp/sps/site/prod_summary.jsp?code=mc44724a&nodeid=01m98765 http://www.quicksoftware.tk/
http://www.hut.fi/misc/electronics/circuits/vga2tv/vga2palntsc.
http://www.quisquose.com/mp3-cd-player.htmhttp://personales.mundivia.es/joanra/esp_rep_mp3.htmlhttp://www.hut.fi/~then/mytexts/mouse_adapters.html
http://www.comunidadelectronicos.comhttp://home.clara.net/saxons/index.htm http://www.frino.com.arhttp://www.electronica.ro/cgi-bin/scheme.pl?categorie=televizoarehttp://www.uoguelph.ca/~antoon/circ/rj45test.html http://www.mitedu.freeserve.co.uk/circuits/testgear/cabletester.htmhttp://www2.ing.puc.cl/~iee2412/iee3422/htm/proyectos/grupo4/#
http://www.emulatronia.com http://www.repairfaq.org/sam/
http://www.repairfaq.org/sam/printfaq.htm http://www.electronicosonline.com http://www.odisea2010.comhttp://electronred.iespana.es/electronred/DESTELLADOR.htmhttp://www.creatronica.com.ar/
http://www.conket.com/modules.php?name=Top http://www.iespana.es/rincondedorado/Micuenta/presoft.htm http://www.romalo.250x.com/contenido1/montajes.htmhttp://www.cressoft.hpg.ig.com.br/index.htm http://www.pablin.com.ar/computer/trucos/
http://www.coloredhome.com/montaje_de_un_pc/http://www.coloredhome.com/
www.maxoverclocking.com
http://www.hut.fi/Misc/Electronics/circuits/vga2tv/circuit.html