Electronics Repair - Main Page

Do you have a question? Post it now! No Registration Necessary

Electronics Repair Discussions about repairing electronic devices (as opposed to the common habit of throwing them out)
Web, RSS and Social Media interface to sci.electronics.repair
There are 161747 individual articles here that are part of 20753 discussions
Please see below the list of the most recent and the best rated articles in Electronics Repair

The most recent discussions

Google keeps a log of all your electronic parts, brakes, tools, and automot...

May 18, 2019, 4:28 pm

Do you know how to turn _off_ (or pause in Google parlance) this seemingly long-term and apparently permanent receipt scanning of your Google email? If you're not aware of what's going on, I post ... Read more »

Value drift over time

  [ 2 ]
May 17, 2019, 5:26 pm

Before I junked that RF sig gen I snipped a selection of resistors out of it just to see how far away from their nominal values they have strayed over the past ~65 years. I shall report back in d... Read more »


May 17, 2019, 2:45 am

Any one know how I choose a key fob clicker and wall mount key pad for an old Stanley model 3205 garage door opener? It has a sticker with a five digit serial code. What is that serial code used for... Read more »

What to salvage from a large LCD tv?

May 15, 2019, 7:51 pm

Hi, I'm a newbie here. My 14 year old broke our 75 Samsung LCD tv last week by slipping on a remo te he didn't put away and hitting his head into it. The extended warranty doesn't cover a kid's ... Read more »

Do these 'lytics need to be replaced?

May 14, 2019, 1:54 pm

Are these bulging? How much bulge is too much? Or is _any_ bulging to much? If you can see that it's not flat, it's too much? https://imgur.com/GymXlUb Thanks, Bob Read more »

Peavey XRD680TB

May 14, 2019, 6:01 am

Unit came in completely dead. Read that others had to replace all output transistors, driver transistors and bias diodes. Other cures? Read more »


May 12, 2019, 9:11 pm

I have an arduino mega 2560 and wants to use it to drive a 16x64 LED array but the outputs are not enough, Is there any way i can achieve this? Thank you. Read more »

Oldtimer question (valves/tubes)

  [ 2 3 ]
May 12, 2019, 11:04 am

Gentlemen, I've got this RF sig gen I'm testing at the moment. It was made in 1955 and is all valve (I say all valve but there are only two tubes in it and only one of those generates the RF - t... Read more »

Water pressure pump pressure switch doesn't turn on automatically

May 12, 2019, 1:56 am

I need to know better how the booster water pump pressure switch is tested & adjusted I think, where I ask your advice to help me figure it out. [http://img4.imagetitan.com/img.php?image=19_relay00... Read more »

Denon AVR HDMI question

May 11, 2019, 9:41 pm

Neither Denon nor NVidia has been able to resolve a problem I have. My system consists of a Linux Box running MPlayer through an NVidia GeForce 610 video card. The HDMI output of the card goes to ... Read more »

Click here for other recent discussions »

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

  [ 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 »


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 »