Latest threads in Electronics Repairshow only best voted threads
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Answering Machine Backup Batt
Hello, all. I've got an ~8 year old GE brand answering machine (like this one: that has worked flawlessly until about a month ago when the machine announced "Low battery". As usual I replaced the 9v...
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7 years ago
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answering Machine Backup Up
Hello, all. I've got an ~8 year old answering machine (This one: -- J. B. Wood e-mail:
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7 years ago
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Alternator testing & troubleshooting
My 97 Ford van has an intermittent electrical problem. Testing the battery under load it seems to be OK. Connections and wires are all good. Now I suspect the alternator. It's a job to R/R the...
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7 years ago
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Linux variant worm affects Ubuquiti routers and radios
Foul-mouthed worm takes control of wireless ISPs around the globe Active attack targets Internet-connected radios from Ubiquiti Networks. Risk Assessment / Security & Hacktivism Foul-mouthed worm...
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7 years ago
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Smart Phones: Best PHONE CALL Sound Quality
Smart Phones: Best PHONE CALL Sound Quality I googled best smart phone sound quality, and all I got were 1,000 articles about how good MUSIC sounded when played on them! >:( So if you own a...
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7 years ago
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Contact Restore
Again ... AA leaked ... Duracell (crap) too many times experienced Duracell leaking. Cleaned the contacts with a diamond tip rotary tool. Nice and clean and shiny now. But, wondering what might be a...
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7 years ago
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Source for LED backlight strips?
Looking for a reliable UK supplier for these. I don't have a part number but have the panel type number, it's in a 50" LG TV. Kenny Cargill
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7 years ago
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Weird piezo driver
This is a beeper piezo in a Fluke 117 DMM which quite beeping. Scoped the piezo?s pads and... nothing. An inverter (from the CD4069) is connected across the piezo. Guess I don?t understand anything...
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7 years ago
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Capilliary tube thermostat problem
Probably 1977 , is about right, from product numbers C26-P0606 2-77-2P Does whatever fills the tube change its character over the decades, expanding for any given temp?. Leaking I could understand...
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7 years ago
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Dell PowerConnect fan question
As anyone who owns one knows, the fans in a Dell PowerConnect 5324 network switch are horrendously noisy. Therefore, following the suggestions I see all over the 'Net, I bought a pair of Sunon fans....
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7 years ago
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Mark Bass ,CMD 102P, bass amp of 2011
Owner switched on, blue led came on as normal , but between that and 20 seconds grabbing guitar lead, had blown the mains fuse, no input, usual load. No problem in previous use, may be a drop in...
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7 years ago
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kikisui PAD-L series PSU schematics
kikisui PAD-L series PSU schematics aren't in the normal documentation, but are floating around somewhere. Anyone with a copy they'd care to share. Model PAD55-10L specifically, but the series has...
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7 years ago
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OT: Kutztown XXXV Radio Show
All: I will be leaving tomorrow morning for the XXXIV Kutztown Radio Show in Kut ztown (Berks County), PA, less than an hour from Allentown, three from NYC and two from Philadelphia. Tomorrow is...
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7 years ago
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STUPID QUESTION No. 5
A package from All Electronics arrives with TERMINAL BLOCKS n overlaps when time permits we're gonna clean up our wiring yeah ! Q5 is: how to label wires that is of what material n print substance ?...
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7 years ago
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Schmitt trigger problem
Consider the following circuit: < > So the service manual says the collector of Q15 should latch high when "start" is pressed, and low when "stop" is pressed. Similarly, assuming Q15 is already low,...
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7 years ago
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