Latest threads in Electronics Repairshow only best voted threads
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Weller gun tips
well, bought a 140/100 watt gun and tips. The standard tips fell apart at the tip. As if the tips were soldered together. Very funny HaHa. Is there a heavier duty tip for the 140/100 watt gun ? I used...
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8 years ago
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Membrane keypad problem
One final problem I've been having with this synthesizer restoration project for a friend. I've reassembled the synthesizer and noticed that the membrane switches on the front panel weren't...
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8 years ago
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1960s-1970s Telephone Repair
Hello, all, especially those with familiarity with subject. I've got a decades-old Stromberg-Carlson SC-2554 wall mount phone. It's still in great shape except recently a small white piece of plastic...
33
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8 years ago
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Vintage Fisher TX-300 Integrated needs caps
Looking for advice on replacing coupling capacitors in this circa 1964 N.Y. built amp. I picked it up some 20 years ago in a pile of stuff and it wor ked when I tried it, but my son wants to use it...
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8 years ago
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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...
36
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8 years ago
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36 | |
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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...
15
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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...
1
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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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