Latest threads in Electronics Repairshow only best voted threads
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EL backlight is cool
The "new" LCD display came out pretty nice if I do say so myself - replaced filter cap in the inverter, changed the contrast resistor on the board (stock one made the new display too dim), removed the...
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8 years ago
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Vishay TSAL6102 alternative
Hello All, I am looking for an alternative to Vishay TSAL6102 ( ocs/84337/tsal6102.pdf). The two important parameters for me are (a) Irradi ance (220 mW/sr) and (b) wavelength (940 nm). Response time...
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8 years ago
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ups battery
How can I check a rechargeable battery to tell if it needs recharging? I want to buy a UPS battery to leave in the detached garage to charge my phone while working on the mower and other things. I...
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8 years ago
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Lovato DPMC9 Contactor
Hi, I want to test a Lovato DPMC9 connected to a motor here. Is anyone familiar with this device? Anyone have a catalog? What voltage should activate the coil? AC or DC? Thanks, ... Peter E.
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8 years ago
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Dead Electrical
Out of the blue, I turned the ignition key and the started jerked and stopped. Next turn solenoid clicked only. After that no sound on turning key. No radio, panel lights, headlights, etc. My guess at...
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8 years ago
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Speaking of fake electronics
While looking for some 18650 batteries on eBay I came across some 4000, 5000, and even one seller offering 6000 MAH ones. I'm pretty sure that even a 4000 MAH claim is exaggeration. Looking online I...
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8 years ago
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Fake Chips
Hi all, Is there any reliable method for testing parts for authenticity? I just bought a bunch of LM317T variable voltage regs off Ebay (from a dealer with a solid rep, admittedly - but they could...
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8 years ago
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Dead pixels or...?
LCD display having issues: Dead pixels, corroded/dirty ribbon cable contacts, or something else?
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8 years ago
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What does it mean that my router is getting a Teardrop DoS attack?
Screenshot is here: I just noticed that my router reports a constant barrage of hits from: [DoS attack: Teardrop] attack packets in last 20 sec from ip [153.224.226.205], Friday, Apr 01,2016 19:58:28...
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8 years ago
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Repairing PC speaker
I have an audio amplifier speaker like the one pictured in the conversion below: It does not work, need help in troubleshooting this one. Disconneced AC power and connected a battery to the terminals...
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8 years ago
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High technology
While looking around the storage building, I found an old 12 volt VCR, dot matrix printer, wiring harness for an old GE classic 2 mobile phone, from before cell phones existed. This stuff was...
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8 years ago
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10S Battery Controller Module help please
Hi all, I was asked to look at an electric scooter for a friend today. His friend bought it directly from China, ran it ok for a couple of months and then it just stopped working (so no point trying...
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8 years ago
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LG microwave/combo.
Someone's been over eager with the cleaning cloth - the model number has pretty much rubbed away. It looks like maybe CO800??AW. I've Googled for pictures hoping for an identification, but didn't have...
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8 years ago
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Re: Power supply connector removal
Not sure what you mean, but have x-posted this to a more appropriate group.
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8 years ago
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Rusting satellite dish
No reception problems , even in heavy rain, but presumably will do some time. If the dish completely rusts over , so no longer smooth, but not actually pitted with holes or distorted, would there...
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8 years ago
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