Latest threads in Electronics Repairshow only best voted threads
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rebuild old laptop battery pack--- waste of time or worth it?
I am in the process of using one of my old laptops for a specific task. Of course, due to age, one of the issues I've come across is battery life. Under any stress, the battery lasts maybe 20 min. If...
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7 years ago
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differences ? stained glass soldering iron and electrical soldering iron
is a stained glass iron use able for rosin core solder on copper?
14
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7 years ago
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14 | |
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Gas Dryer Air
The igniter is out in my gas dryer. Most likely that's it -- there is no clicking sound when starting the dryer like before. It's not worth it to have a repairman come out. It's in an unheated area,...
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7 years ago
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A dang good Space X Launch webcaste
Howdy folks, bin a while scents I posted. I'm busy hiding out lately from the lovely Miseries on account of she has gone hog wild with her honey do list these days. Just ran across this and figured it...
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7 years ago
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APC UPS -- replace battery, or...?
I have an APC Back-UPS ES 750 to which I have plugged in my PVR (a not particularly high-powered computer, and with only one HD). It is not indicating that the battery is dead and needs replacing, but...
21
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7 years ago
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21 | |
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Finding the correct power adapter for a no-name brand music stand light.
The stand light looks like this: but the light I have has only 9 LED's. The only information on the battery is 3.7 volts and it looks like this: however my battery does not have any amp-hr rating...
7
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7 years ago
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Diode ID
Hi, I need to ID a diode. It is in the regulation circuit of an old 28v Power Supply. Markings are Z104 (twice) and CDC. There are other diodes on the board in the 1N4001 case style/size, but this one...
7
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7 years ago
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Hot swapping CMOS batteries
The standard instructions for changing out a desktop CMOS battery say you should turn everything off and unplug the power cord. But I wonder if guys who do this kind of stuff for a living don't hot...
12
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7 years ago
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12 | |
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Lithium powered things not charging?
Hi all and HNY. Daughter recently bought a 'refurbished' Samsumg Galaxy Tab2 10.1" (tablet) and it seemed ok at first. However, the supplier forgot to include the charger. She called them and in spite...
13
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7 years ago
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13 | |
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wire conductivity
using is there a functional difference, other factors ie metal purity equal, between 8-12-14> gauge wire having 10 strands and 25 strands ? does covering each copper strand with aluminum coating...
35
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7 years ago
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35 | |
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my washing machine, again
We have a Kenmore 110.28082700 washing machine that I've done a lot of work on over the years. These seem to be famous for getting an "LF" long-fill error. Well, we started getting that again, and...
11
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7 years ago
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Substitution for germanium transistor
I have a Heathkit IP-27 bench supply that I got at the dump. Its problem is that the current limiter doesn't work due to a bad transistor. Unfortunately, the transistor is a germanium one and...
22
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7 years ago
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Replacing a BNC input connector on a SR780 FFT analyzer.
The big top lid is easy to remove. Then also the front panel and the disk drive. Then I find a small shielded box with 6 BNCs. It has a lid with 4 screws, the leftmost beeing blocked by the chassis....
3
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7 years ago
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[OT] handrwriting conventions
I'm aware of a bar through a z , to distinguish z from 2 and a slash through 0 to distinguish zero from O. Anyone aware of an underscore below v, to presumably distinguish written v from u ?
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7 years ago
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I need bios -6-71-m74s0-d06a you have my bro....
I apreciat it ... tks, Cristian
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7 years ago
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