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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 162220 individual articles here that are part of 20793 discussions
Please see below the list of the most recent and the best rated articles in Electronics Repair

The most recent discussions

How the heck does a typical home transfer switch work?

July 17, 2019, 9:43 pm

How the heck does a typical home transfer switch work? Mine isn't working so I need to figure out how it works first. o My mains is two hots plus a neutral (i.e., it's not 3 phase) o There are t... Read more »

Source of lightning plug

July 17, 2019, 4:59 pm

I have a few lightning-usb cables that have a damaged lightning plug. Is there any place to buy just the plug so I can replace the damaged one? Thanks J Read more »

Tip-Cutting Pliers

July 17, 2019, 3:07 pm

https://www.ebay.com/p/Crescent-USA-Made-Old-Stock-4-1-2-Needle-Nose-Tip-Cutting-Wiring-Pliers/28027599507 Not a bad price for a US-made tool. And excellent for reaching-and-clipping. I just pur... Read more »

Code entry door-lock problem

July 17, 2019, 7:31 am

Internal security door, battery powered, changing battery made no difference, maker unknown. For some people would work normally and others would repeat 30 or 40 times and still no delatching, s... Read more »

Weird Ryobi battery behavior

July 17, 2019, 1:38 am

I have one of the early Ryobi 18V Li-Ion battery packs (I think it's 2.4Ah -- ten separate cells: five paralleled pairs), which the charger shows as full but the test button on the battery indica... Read more »

Fixing a headphone jack

July 17, 2019, 1:26 am

I have a 1990's era AM/FM Cassette player. It works fine, except that it on ly plays on the left side. The right channel connection isn't making consis tent contact. I tried to clean it using a Q-t... Read more »

Anybody got a Wells Gardner 9K7704 yoke?

July 15, 2019, 7:22 pm

Table top arcade game from Merit. Horizontal windings burned under the convergence magnet tape. I separated the windings and repaired the break, but it's still not right. The monitor is a Wells Ga... Read more »

OT - Radio Repair Clinic

July 15, 2019, 4:30 pm

http://www.dvhrc.com/pdfs/Oscillator%20Summer%202019.pdf I am on Page 7. That is a vintage Kutztown Klinic picture, but I will be in Bethlehem for this event. I expect to be busy! And, of course... Read more »


July 13, 2019, 10:53 am

Hi Folks Having some trouble finding some transistors. I am repairing a switch mode power supply and have a number of transistors that need replacing. The issue is I can't seem to find them online... Read more »

Vizio no pic

July 12, 2019, 8:39 pm

hi group, i'm working on a Vizio 39 Tesla model..E470va, so it's a 47 inch, I have no picture no audio, I do get the correct voltages from the power s upply, I changed the main board, and nada.. w... Read more »

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The best rated discussions


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 »


Update: Charging MP3 Player, Coby MP620-4G

Hi, Since my original post, I bought the Coby MP620-4G MP3 player. The OM says to use a high power USB port (computer). There is no other information in the OM or at their web site on a recomm... 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 »


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 »


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 »


Learning Electrical Repair

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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 »


Tek 7000 Series Fixtures 067-0655-00 vs 067-0589-00 fixtures

We're running through the calibration on our 067-0587-10 Standardizers and they're failing frequency response. All points lead to the 067-0655-00 fixture going bad, which we only have one of. We tr... Read more »


Circuit Diagram for TV CVB42001 Power Supply Board

Has anyone got, or know where I can purchase, a schematic diagram, for this TV, Power Supply Board, CVB42001. This board is commonly used in LED TVs. I'm chasing a problem in the output voltage, that... 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 »


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 »