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Electronics Repair Discussions about repairing electronic devices (as opposed to the common habit of throwing them out)
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There are 166531 individual articles here that are part of 21188 discussions
Please see below the list of the most recent and the best rated articles in Electronics Repair

The most recent discussions

easy way to calibrate audio frequency generator?

February 28, 2021, 9:27 pm

I have a Heathkit ET-3100 electronic design experimenter that has a very basic sine/ square wave function generator. Controls all analog and no scale really. Output is from 200 Hz - 2 Khz on lo... Read more »


February 27, 2021, 5:42 pm

Lately I work on audio and have long thought that I get the shit that has a lready been gone through but I think I have ALMOST seen it all. This amp in a receiver, not the greatest but is vintage,... Read more »

homemade or low cost circuit board/ battery box shield?

February 25, 2021, 10:05 pm

I have a static sensitive circuit with a small battery compartment located just underneath, almost touching. Since there is a chance for shorts, what could I put between the circuit board bottom... Read more »

windows powercfg

February 24, 2021, 3:41 pm

Trying to use windows powercfg command prompt. C:Windowssystem32>powercfg /batteryreport gets Invalid Parameters -- try /? for help C:Windowssystem32>/powercfg /batteryreport gets '/powercf... Read more »

Fluke 199C Repair Notes

February 22, 2021, 6:33 am

Just some pointers to anyone having trouble with this handheld LCD scope. I've seen other reports on the web about this model not powering up but no answers. I had one that started to power up ... Read more »

Curved Samsung no pic

February 17, 2021, 8:58 pm

Hi Group, can someone help please, im working on a Samsung un55ku650dfxzaT V, that has no pic, no power standby light blinking. when testing the PS bo ard on pins 3,5,7,9,.. i get 14v to 8v fluctu... Read more »

Gas heat thermostat if no power

February 16, 2021, 11:31 am

Last week we were without power an hour and a half during a very mild snow storm. Luckily it was 9-10:30 am and 34F. But what if it was longer, at night and colder? The system is York Borg Warned f... Read more »

help with circuit repair

February 15, 2021, 9:08 pm

I have a small, handheld geiger counter made by a firm called RDX Nuclear (model is DX-1). Unfortunately, a much younger family member than I decided to try putting a 9V battery in it, but he pu... Read more »

switching most of my batteries over to Eneloops, but.....

February 14, 2021, 7:47 pm

...I don't see 9V Eneloops, unless I am mistaken. I have some 9V devices that could use the changeout too. Recommendations? Read more »


February 13, 2021, 2:29 pm

Hi.... Is there someone that know where I can get a SEVICE MANUAL for a HAMEG HM1508-2? I have search the net, but all I can find is an OPERATING MANUAL for HM1508-2. But where can I find a SM? An... Read more »

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The best rated discussions


My network used to work.

My network is set up like this: Charter cable modem -> my Netgear cable modem used as a wireless router -> Airlink secondary router used as a secondary wireless access point. Things were so easy ... Read more »


Learning Electrical Repair

  [ 2 ]

I don't want to pick up another career or spend 20 years learning electrical repair, but I would like to learn something about this area. I don't care for ham radios or tv repair either. But barring ... Read more »


Sony PS-LX510

Is there anyone who might be familar w/ this turntable? Problem w/ sticking linear tracking tonearm. I cleaned the dust & dirt off the rail but may need to lube it. What do I use? Also, a source ne... Read more »


Are faulty APC UPS's easy repairs or is it throw in the trash?

Hi, I have two faulty APC BackUPS CS500's each with a different fault. The first unit will switch to battery when there is a power cut. However, when the power is restored, it will not switch back t... Read more »


Fluke 87 LCD

This is a straightforward question. I don't want it to become a megillah or a tsimmes. My 20-year-old Fluke 87 has one or two segments and several enunciators that have dimmed. I assume this is due ... Read more »


Source for non polar caps

Need a source for some non polar electro caps. Tried all the usual suspects. values 6.5 uF 25v and 3.3 uF 25v TIA Red Read more »


Identifying Scrap Metal in old VCR's

Every spring, as I do my cleaning, I take the time to strip the metal from all the old appliances I discard. I remove the aluminum parts and strip anything that may be attached to them. The recyc... Read more »


How do USB players keep track of position.

The devices that plug into the cigarette lighter and play sound from a USB drive through car radio speakers have the ability to remember where they left off, and, even when power is removed from th... Read more »


Allen and Heath PA CP power amp

  [ 2 ]

Hi, I'm a bit puzzled by this blown power amp, as the design of these things is not really my forte. (I have posted the schematic over on alt.binaries.schematics.electronic) The problem is around th... Read more »


black and decker coffee pot wiring diagram

I have a Black and Decker coffee maker model # CM1050B type 2. I need the value of the #1 resistor on the control board #HET-BST CM1050-P. Resistor is burned and cracked. It looks like a one watt c... Read more »