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 167753 individual articles here that are part of 21294 discussions
Please see below the list of the most recent and the best rated articles in Electronics Repair

The most recent discussions

PC rebooting in all but preboot modes.

September 3, 2021, 3:12 pm

I've got a pretty reliable home-brew PC built on PCC A13G+ v3.0 motherboard that has only recently started to reboot itself after 15-30 minutes of operation. It normally only sees an internet ... Read more »


August 30, 2021, 4:47 pm

Hello colleagues. I am in neeed of schematic and service manuals for TAMPA model M-AUDIO mixer. Unit is noisy. Tradicional techniques did not work. (I.E. Contact cleaner on potentiometers, etc) An... Read more »

Tek 465 degree-of-difficulty repair

August 30, 2021, 12:01 pm

I found a 465 at the dump with a sticker on it saying Horizontal deflection bad. Before I even power it up I thought that I'd get opinions on how bad the problem likely is. Best case: That happ... Read more »

I found a source of good used Zebra Strips.

August 29, 2021, 6:29 pm

I recently had to replace my Glucose meter because it could no longer hold the correct date. I ripped the old one apart, and found a nice pair of Zebra Strips in it. It was an Abbot Labs Freestyle f... Read more »

Need Bose AWR1-1W schematic

August 26, 2021, 7:53 pm

This had some battery leakage and the resultant corrosion opened some fine traces on the bottom side of the board, but there are also a small handful of smd devices that were also damaged and I c... Read more »

In Need of tone genertor/cable tracer

  [ 2 ]
August 26, 2021, 6:30 pm

I need to trace some cables (phone catv, ethernet) throughout a house. An inexpensive tone generator would work but I don't have one. Any recomme ndations for an inexpensive one? or alternatives? ... Read more »

Onkyo TX-SV70 Pro Amp-Tuner - Display But No Sound

August 25, 2021, 7:04 pm

Onkyo TX-SV70 Pro Amp-Tuner - Display But No Sound The owner states that all the buttons do something on the front display when she presses them, but she hears no sound out of the speakers attac... Read more »

Re: Strokes and artificial sweeteners

August 14, 2021, 4:58 pm

Old electronics from the 1980s does good too, sometimes. Like if someone throws out a Trash 80 or a Commodore 64. People will buy that stuff from you. Read more »

Motherboard replacement

August 13, 2021, 6:58 pm

I have a Powerspec B639 desktop that has a bad motherboard. Runs Win 7 Pro Seems that the video portion has gone bad and is shorting out the PS. PS resets after a brief powerdown. (not original P... Read more »

Battery replacement

August 13, 2021, 6:03 pm

I have a remote control car that has a dedicated control and receiver at some unknown to me frequency. Not bluetooth or wifi. It was a Christmas toy. It is a substantial car nearly 18 long. It ... Read more »

Click here for other recent discussions »

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 »