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  1. H

    schematic search

    http://www.freeservicemanuals.net
  2. H

    My ZVS Flyback Driver with pcb

    Nice JOB
  3. H

    Led display digital Voltmeter not working

    Check all of your solder connections and voltages to the device. http://www.electronics-lab.com/projects/test/014/index.html http://users.otenet.gr/~meteo/project_led-display-digital-voltmeter.html
  4. H

    hands on electronics

    Try your local Library. Not kidding!
  5. H

    74188, 74287, 74288, 74387

    Here are the other 2 DM74S288.pdf DM74S387.pdf
  6. H

    74188, 74287, 74288, 74387

    Okay it took me a while but here is what I found. All 4 of them. 2 here and 2 more in the next post. DM74S188.pdf dm74S287.pdf
  7. H

    74188, 74287, 74288, 74387

    74188: 256-bit (32x8) Programmable read-only memory with open collector outputs 74287: 1024-bit (256x4) Programmable read-only memory with three-state outputs 74288: 256-bit (32x8) Programmable read-only memory with three-state outputs 74387: 1024-bit (256x4) Programmable read-only memory...
  8. H

    Cross Reference for PCR 606J

    Looks like Stuee lost interest in this post.
  9. H

    Cross Reference for PCR 606J

    http://www.kcdec.com/download/2008918111259.pdf http://parts.digikey.com/1/parts/989394-sensitive-gate-scr-0-8a-600v-low-ec103m2.html http://www.teccor.com/data/en/Data_Sheets/E5SensitiveSCR.pdf
  10. H

    is there any type of sensor that . . .

    Here is a Diagram for the Reed Switch Idea The second is a Digital Matrix with Diodes to display a number for which gear you are in.
  11. H

    is there any type of sensor that . . .

    a magnet and 5 reed switches could do it low tech.
  12. H

    Hitachi oscilloscope CRT pinouts and specs needed

    The model number would be helpful. Maybe these links will be helpful to you. http://www.repairfaq.org/sam/crtfaq.htm http://www.electronixandmore.com/project/7.html http://www.tone-lizard.com/Oscilloscopes.htm
  13. H

    datasheet

    Google search Results M455E Ceramic Filter? http://www.alldatasheet.com/view.jsp?Searchword=M455E
  14. H

    datasheet

    Possible Substitutes? http://kr.ic-on-line.cn/IOL/datasheet/actf45-48_4171619.pdf ACT_F45-48.pdf
  15. H

    datasheet

    http://www.sawtech.com.cn/showpic.asp?p_id=32&path=&pname=%E6%97%A0%E7%BB%B3%E7%94%B5%E8%AF%9D%E7%94%A8%E5%A3%B0%E8%A1%A8%E9%9D%A2%E6%B3%A2%E5%8F%8C%E5%8D%95%E5%B7%A5%E5%99%A8...
  16. H

    Getting More Drive out of my external sound card!

    You could install a preamp on the input. Like they had on the old Record players
  17. H

    Re: need someone to put me through the repair of a shrink packing machine

    If you want help you have to give more information Make Model etc
  18. H

    help as soon as possible...........Thz in advance

    A search on Google has almost no results, Just tells you what it is and what it does. Perichrom PR-2100 http://www.instrument-solutions.com/perichrom/pdf/pr2100.pdf http://www.dizgeanalitik.com/PERICHROM_bio.pdf
  19. H

    Re: Repair manual or schematic for Sony Playstation 3

    I found only this on a search http://www.ebonne.com/sm/PS3-service-manual.pdf
  20. H

    Microphone Echo/delay IC datasheet.

    You could just buy a karaoke and use the circuit in it.
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