Latest threads in Electronics Repairshow only best voted threads
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Cleaning keyboards & mice & phonesa with alchol
I googled and found that alcohol is a non conductor. why? Why is rubbing alcohol not conductive? The articles said nothing is completely non conductive but using rubbing alcohol while things are...
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2 years ago
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Lumenair 9200psu
Anyone had any dealings with this psu, or have a circuit diagram ?
8
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2 years ago
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8 | |
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USB-A charging brick voltages of 12V & 9V & 5.2V & 5.0V & 4.6V
Are the multivoltage smarts in the phone or in the USB-A charging brick? In my wall wort box were a dozen USB charging bricks. Removing the duplicates, the varying voltages & current outputs were...
1
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2 years ago
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Studer reel to reel repair?
Anyone know of someone anywhere near SE Michigan that does repairs on pro reel to reel tape decks?
1
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2 years ago
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I can't find my remote
I can't find my electronic remote. I had it only a few days ago. But now I can't even find it. Where can it be?
16
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2 years ago
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Fun Definitions Found Recently
1 Ohm. Was defined as the resistance of a column of mercury (at the temperature of melting ice) of a uniform cross-section of 1 square millimeter and a length of 106.30 centimeters. 1 Volt. Was...
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2 years ago
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Heat source from 24v ac solution
I need a resistor idea or lightbulb to get some heat to keep a camera warm. the supply voltage in the camera is 16-24 ac and if it can be the size of a aa battery or smaller . Thanks for any ideas.
10
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2 years ago
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Calibration procedure of HEATHKIT IM-2202
Hi all out there.... I've got an old Digital multimeter that need an calibration. It's a HEATHKIT model: IM-2202. I found a schematic on the net, but no calibration procedure. I think I could find...
2
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2 years ago
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solidifying toroid core position and windings?
I just finished making up a multi order HF band pass filter for one of my ham radio bands. A friend wants me to make one up and send it to him too. I'm leary of this because I used toroid cores....
8
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2 years ago
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8 | |
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What's the tangible difference to the user of Docsys 3.0 vs Docsys 3.1
*What's the tangible difference to the user of Docsys 3.0 vs Docsys 3.1?* The only disadvantage, that I can think of, to owning your own modem is that it's most likely locked to Docsys 3.whatever (at...
1
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2 years ago
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Need recommendation for USB power analyzer tool.
I have various USB chargers, cords, and portable devices around the house. One of my devices, a Kindle Fire from around 2013, which works fine, seems to have a nonlinear charging rate. Maybe that's...
24
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2 years ago
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SMD recommendations for tip, temperature and solder alloy and width?
Title says it all. I have a few SMD repairs to do, but don't have much to start with. Don't want to have to shell out big $ just to make a few repairs. I already have one of the Ebay 60 watt...
8
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2 years ago
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8 | |
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question about expander compressor IC
Hi. I currently have access to a compressor/ expander IC: want to bypass the expander during testing. Page 3 there describes each pin function. Pin 6 is "EXP Mute." It says for "L" state, expander...
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2 years ago
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HiFi system too loud, LA4280 amplifier IC questions
I have an HiFi system SABA CT9810 (also sold as THOMSON VTM 2800/2900, CRK 1207, BRANDT MID 3000, TELEFUNKEN POWER PACK 200) where the volume control does not allow low enough volume levels, the first...
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2 years ago
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why hiss in my wireless mic system?
I know the answer might seem obvious (getting closer, checking connections, etc) but this has me stumped. I recently acquired an older 170 Mhz based Radio Shack wireless mic and receiver for an...
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2 years ago
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