Electronics Repair

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solidifying toroid core position and windings?

I just finished making up a multi order HF band pass filter for one of my ham radio bands. A friend wants me to make on...
8 comments posted 4yrs
posted by jaketbone
8 comments posted 4yrs posted by jaketbone

Need recommendation for USB power analyzer tool.

I have various USB chargers, cords, and portable devices around the house. One of my devices, a Kindle Fire from around...
24 comments posted 4yrs
posted by farberbear.unspam
24 comments posted 4yrs posted by farberbear.unspam

question about expander compressor IC

Hi. I currently have access to a compressor/ expander IC: https://pdf1.alldatasheet.com/datasheet-pdf/view/65260/HYNIX/...
0 comments posted 4yrs
posted by jaketbone
0 comments posted 4yrs posted by jaketbone

HiFi system too loud, LA4280 amplifier IC questions

I have an HiFi system SABA CT9810 (also sold as THOMSON VTM 2800/2900, CRK 1207, BRANDT MID 3000, TELEFUNKEN POWER PACK...
0 comments posted 4yrs
posted by JERONI.PAUL
0 comments posted 4yrs posted by JERONI.PAUL

why hiss in my wireless mic system?

I know the answer might seem obvious (getting closer, checking connections, etc) but this has me stumped. I recently ac...
3 comments posted 4yrs
posted by electronix
3 comments posted 4yrs posted by electronix

OT - UV setting Resin question

Anyone happen to really know about this stuff? I baught my example from ebay: https://www.ebay.co.uk/itm/284120960911?s...
9 comments posted 4yrs
posted by charlie
9 comments posted 4yrs posted by charlie

Fluke 177 case cracking

Anyone having an issue with Fluke cases getting brittle? I have a 177 that had the battery cover crack in the screw bos...
11 comments posted 4yrs
posted by ohg...
11 comments posted 4yrs posted by ohg...

crystal replacement alternative in wireless mic?

I recently pick up a Radio Shack wireless mic at Goodwill for $1. I could hear something in the receiver ratting, so I...
12 comments posted 4yrs
posted by faver10
12 comments posted 4yrs posted by faver10

want to replace electret mic with one of these

I have a small transmitter that I use for monitoring my property. It has a sensitive electret mic that feeds the transm...
2 comments posted 4yrs
posted by none
2 comments posted 4yrs posted by none

Screw size for MacBook Pro

I'm trying to disassemble a MacBook Pro, model number A1989, to remove the hard drive. The screwdrivers I have do not m...
12 comments posted 4yrs
posted by farberbear.unspam
12 comments posted 4yrs posted by farberbear.unspam

surface mount (guitar amp hisses) question

I've got a Stagg 10 GA 10W RMS Guitar Amp, it has a serious hiss that comes and goes even with nothing plugged into it....
6 comments posted 4yrs
posted by mscir
6 comments posted 4yrs posted by mscir