Electronics Repair

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easy way to calibrate audio frequency generator?

I have a Heathkit ET-3100 electronic design experimenter that has a very basic sine/ square wave function generator. Co...
23 comments posted 5yrs
posted by tinker5
23 comments posted 5yrs posted by tinker5

Sheesh

Lately I work on audio and have long thought that I get the s*it that has a lready been gone through but I think I have...
7 comments posted 5yrs
posted by jurb6006
7 comments posted 5yrs posted by jurb6006

windows powercfg

Trying to use windows powercfg command prompt. C:\Windows\system32>powercfg /batteryreport gets Invalid Parameters -- t...
4 comments posted 5yrs
posted by legg
4 comments posted 5yrs posted by legg

Fluke 199C Repair Notes

Just some pointers to anyone having trouble with this handheld LCD scope. I've seen other reports on the web about this...
0 comments posted 5yrs
posted by mocha
0 comments posted 5yrs posted by mocha

Curved Samsung no pic

Hi Group, can someone help please, im working on a Samsung un55ku650dfxzaT V, that has no pic, no power standby light b...
12 comments posted 5yrs
posted by hildawinkler77
12 comments posted 5yrs posted by hildawinkler77

Gas heat thermostat if no power

Last week we were without power an hour and a half during a very mild snow storm. Luckily it was 9-10:30 am and 34F. Bu...
12 comments posted 5yrs
posted by vjp2.at
12 comments posted 5yrs posted by vjp2.at

help with circuit repair

I have a small, handheld geiger counter made by a firm called RDX Nuclear (model is DX-1). Unfortunately, a much younge...
10 comments posted 5yrs
posted by hask0078
10 comments posted 5yrs posted by hask0078

SERVICE-MANUAL for HAMEG HM1508-2

Hi.... Is there someone that know where I can get a SEVICE MANUAL for a HAMEG HM1508-2? I have search the net, but all...
9 comments posted 5yrs
posted by bo-lennart.karlsson
9 comments posted 5yrs posted by bo-lennart.karlsson

NNTP server recs please

Greetings All, Altopia sent me an email telling me they will no longer be providing NNTP service. So I need a new one t...
7 comments posted 5yrs
posted by etpm
7 comments posted 5yrs posted by etpm

No longer in my ears

I have a pair of Bose Hearphones, cheaper than hearing aids. I only use it at meetings (which I don't go to because of...
4 comments posted 5yrs
posted by NONONOmisc07
4 comments posted 5yrs posted by NONONOmisc07

ICETech Micromaster LV

I have one of these things sitting around in my workshop but so far I have been unable to make any sense of it, so rath...
0 comments posted 5yrs
posted by fred
0 comments posted 5yrs posted by fred

Samsung HW-E450 Soundbar

This unit appears dead, main fuse T4A has not ruptured but unit will not power up, Any advice on what to check on the sa...
4 comments posted 5yrs
posted by dave.barnicoat
4 comments posted 5yrs posted by dave.barnicoat

TV won't start, one problem or two?

We turn on our Emerson Model LF391EM4F flat screen, (manufactured 2013). T he screen shows the Emerson logo, then there...
2 comments posted 5yrs
posted by timothy42b
2 comments posted 5yrs posted by timothy42b