Latest threads in Electronics Repairshow only best voted threads

Subject Author Posted Replies
 
BD411H / 4407 IC
i'm trying to fix a laptop that let the magic smoke out when a loose screw in the case shorted something out. it's an Acer Aspire 1350, model # MS2159... if that's any use, the blown chip is an 8 pin...
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RJ-45 "through wire" crimp connectors?
Think about a $12 spelunking/cyclists headlamp. Who is the dip that added/adds the misc group? Cross posting dingldorfs never cease to amaze.
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5
 
Need Schematics, Assembly Drawings, Parts List of Tektronix CPS250
Tektronix CPS250 Multiple Output Power Supply Great Lab supply, but the 2N3055 for the 5Vdc supply blew out [very leaky base-emitter junction, I think] and took out an internal fuse too. But I would...
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RC4185 ?
The remnants of a Fedback FG600 England made function generator of 1975. Someone clipped the legs of one of those canned devices of the time leaving 10 longish pins in the board. Overlay is a circle...
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Charging Portable MP3 Player (Not IPod)
Hi, I want to buy a portable MP3 player (not IPod), but it requires a "high power" USB port on a computer to charge it. The alternative is to spend around $30.00 for a "wall wart" type of charger. I...
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Brother MFC 9420CN Color Laser Printer
I'm trying to repair this multifunction color laser printer / copier / fax / scanner. The person who gave it to me indicated it needed a new OPC belt. Sure enough, when powered up it gives a message...
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Light band on laser printing
My trusty HP 2100M printer is now printing with a definite light band in one spot on each page. The cartridge is old (bought new with the printer back in 19-ought-99) but doesn't have that many pages...
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How motion sensors work
I'd like to get responses, ideally, from folks who actually know how these things work, and not the usual Usenet speculation. I install a lot of motion-detector lights for clients. A lot of these...
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need temperature sensor
Hello all : I need 4 pcs of LM35ACZ and would prefer to pay with mastercard. Asian suppliers have quoted $85 shipping etc etc Hope someone out there can help jcdrisc
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Xerox XC540 Copier Part
Does anyone out there have a paper tray (right side) for a Xerox XC540 tabletop copier. The manufacturers part number is 50K31710. Thanks!
 
Yamaha EMX 62M : SAFETY NOTICE
Mixer amp With age,humidity or temperature or whatever, the screening card lining the inside of the plastic case can curl up and touch solder and traces on the IEC sub-board, aluminium side to mains...
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make sure I have the right power cord
Hi, I am going to give a laptop to somebody who needs one and I got the two pronged power cords mixed up in my mess of cords, Which is the two prong cord that plugs into the box on one cord says 3A...
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[OT] PC Hardware Problem
Check the BIOS settings, and if possible alter them (memory timing, CPU speed, etc.) to use more conservative settings. If the BIOS settings were not improper (overclocking) and the problem goes away,...
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spectra physics fiber coulped laser diode type 0129-2653 Rev. D
Hi there, I've got a spectra physics 0129-2653 Rev. D laser diode a few days ago but I don't have any specs about the operating current / threshold current; I only know the wavelength is 808nm and...
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3
 
A Strange Converter Death
I have an elderly relative to whom setting the microwave and the VCR is an act of voodoo magic. Left alone with technology, she can do dangerous things by just pushing buttons that I never thought...
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