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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 165470 individual articles here that are part of 21095 discussions
Please see below the list of the most recent and the best rated articles in Electronics Repair

The most recent discussions

no power from circuit board to drill

September 23, 2020, 11:36 pm

I have a Hougen MD914 Mag drill and i have replaced the start button, stop button, mag switch and circuit board and i still can't get power from the circuit board to the drill, The old circuit b... Read more »


September 23, 2020, 9:05 pm

I'm confused. When I program my unit it tell me to ?*?. What keys do I hit. Or better yet, what is ?*? Read more »

Antennae Booster

  [ 2 ]
September 22, 2020, 8:54 pm

Hi Group, can someone help please, I have an antenna booster that requires a power supply of 6v 100ma, can i use a variable power supply 6v 300ma??? Thanks, Read more »

B&K FET-VOM 179, service manual

September 21, 2020, 12:23 pm

or KYORITSU FET-VOM K-200. I would like to adjust the instrument in a prop er way. I have found some schematic on the net. And it seems that there are at least 2 version of that instrument. Bes... Read more »

Unusual Reverb problem

September 21, 2020, 3:13 am

Hi, a Fender Princeton amp came to me with its reverb making bad noises at the slightest bump or movement of the amp. Bit like an elephant walking on piles of sheet metal. When I removed it from ... Read more »

Carvin B2000 bass amp won't power on, need schematic.

September 20, 2020, 10:36 pm

This Carvin B2000 bass amplifier was brought to me with the problem that it wouldn't turn on. The user said it was working fine until there was a bright flash that could be seen through the front... Read more »

Does anybody have a service manual for the Bose Acoustimass 9?

September 19, 2020, 12:03 am

Hi guys, first time posting to a newsgroup, been lurking for a few weeks though. I'm attempting to repair a Bose Acoustimass 9 for a customer; I'd already fixed the display on his LifeStyle 5 CD p... Read more »

cnet 5614XE external fax modem need info

September 18, 2020, 2:34 pm

I've had this for a long time, but haven't used it for 5 years. Somehow the ac adapter and whatever literature there was have disappeared. Can anybody tell me the DC voltage and current specs? Read more »

I need datasheet OZ8283LN AND SCHEMATIC SN4SL01 MB REV: 1.3

September 16, 2020, 11:33 am

Hello team, how are you? I need this a lot. who can make available to me I have not found. Thank you in advance. Read more »

White Van home theater amp

September 15, 2020, 7:30 pm

One of my customers dropped off this combo 5.1 amp and sub for work. I tri ed to discourage him but he insisted. I let it sit a week and just cracked it open a few minutes ago. I think it has a... 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 »