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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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Please see below the list of the most recent and the best rated articles in Electronics Repair

The most recent discussions

SN76477 replacement source?

November 28, 2020, 2:23 am

Ok, a friend brings by his sound maker and it seems that the main chip is burned out. Does anyone know where a genuine replacement may be found? Read more »

sceptre x425bv tv main board smoked Q7

November 25, 2020, 8:39 pm

Hi Group, can someone help please,.? I put the LVDS wiring harness on wrong in the main board #T. RSC8.10B 12305.. B12083477,. and smoked Q7, I know it's a transistor, can someone tell me a part numb... Read more »

dimmer return update, a little OT but thought I would share

November 25, 2020, 3:50 pm

Ok, so after the awful burning up of the dimmer, it took several days for the seller to finally agree to take the 3 I originally ordered back (1 burned, 2 unused). Something to keep in mind. Ta... Read more »

Brady thermal printer problem

November 24, 2020, 3:31 pm

Hello I have a BBP11-34L Brady thermal printer, and it has worked well until I changed the ribbon about three months ago (I have installed 18 ribbons so far, so I think it is not an installation... Read more »

another dimmer smoked today outside thank goodness!

November 23, 2020, 8:50 pm

Well, I have one additional so called 30 amp Chinese dimmer remaining after the prior one smoked. This one had a circuit breaker and it did go today, but not before it started smoking. As I sai... Read more »

Diagnose this:

November 22, 2020, 12:57 am

**Hi, serviced a Fender Super 210 yesterday. All tube amp, 2 x 6L6s plus 2x10 inch speakers. Fixed a few issues like open plate resistors in the PI and gave it a good clean up after being out o... Read more »

power supply question

November 19, 2020, 8:50 pm

I ordered one of these last week and it arrived today: shorturl.at/alQX6 I ordered the 24V 15A. Has anyone here used one? Pluses/minuses? Read more »

what gauge wire that has 1.25mm diameter PVC jacket

November 19, 2020, 5:03 pm

Appears to be two lead, multi-stranded hook up wire with 1.25mm diameter PVC jacket. Short of stripping and measuring the wire itself, is there any way to tell what gauge it is with the informat... Read more »

LECroy 6050A parts and/or service manual?

November 18, 2020, 8:01 pm

Hi all, I just got two LECroy 6050A oscilloscopes. Both work fine but are missing a few knobs. I cannot find a service manual to look up the part numbers and even the LeCroy web site is kinda ... Read more »

conductive Path on printed circuit board?

November 17, 2020, 2:10 pm

Hello, I had been having a recurring problem with a model WV-38A RCA VOM that I built from a kit way back in the day. For resistance measurements it uses 4 AA cells and 1 D cell. Over the last... 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 »