Electronics Repair

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Jeff Lieberman

I have a question, of course I cannot compel you to answer it but you defin itely won't if someone doesn't ask. Where d...
14 comments posted 5yrs
posted by jurb6006
14 comments posted 5yrs posted by jurb6006

Who knows about GPS antennas?

I have been looking online but there seems to be, for a lot of the antennas, an assumption of prior knowledge. That I d...
12 comments posted 5yrs
posted by etpm
12 comments posted 5yrs posted by etpm

cell (mobile) phone detector

Please is there any gadget/circuit/App that can detect a mobile phone when ; 1. even when the phone is off but the batt...
15 comments posted 5yrs
posted by fynnashba
15 comments posted 5yrs posted by fynnashba

Solid state relay questions

My water comes from a well. When the well was drilled I had only built my shop and so the well is now powered by my sho...
27 comments posted 5yrs
posted by etpm
27 comments posted 5yrs posted by etpm

optical drive - DVD media recognition

Two most regularly used optical drives recently stopped recognizing data DVD's that were created on these machines. The...
11 comments posted 6yrs
posted by legg
11 comments posted 6yrs posted by legg

Reliablest cars

Hi all, Say I wanted to buy the most reliable new compact car on the market right now, the one least likely to ever brea...
22 comments posted 6yrs
posted by marty889
22 comments posted 6yrs posted by marty889

DC bias on heater winding ?

Hi, positive DC biasing the heater winding of a tube amp is occasionally used t o eliminate H-K hum in the pre-amp - a...
6 comments posted 6yrs
posted by pallison49
6 comments posted 6yrs posted by pallison49

SM for Philips 7951 receiver?

Came in "dead", but only had really really bad tape monitor/source switch c ontacts. Cleaned all controls and switches...
1 comments posted 6yrs
posted by ohger1s
1 comments posted 6yrs posted by ohger1s

Need advice on a neon transformer

I have new neon sign with a bad transformer (has a short and works sporadic ally), it is a 5kv 15MA transformer. I boug...
18 comments posted 6yrs
posted by bstruckm
18 comments posted 6yrs posted by bstruckm

Broan QS2 range hood fan control

Can anyone explain the electrical principles of the Broan "Quiet Series" (also called "Allure") range hood fan? This un...
2 comments posted 6yrs
posted by unp
2 comments posted 6yrs posted by unp

Different tubes do make a difference!

One of the EL34 tubes in my amp was making intermittent noise so I bought a couple new matched EL 34 tubes and put them...
7 comments posted 6yrs
posted by etpm
7 comments posted 6yrs posted by etpm

Free tubes CL ad for Berkeley, Ca

https://sfbay.craigslist.org/eby/zip/d/berkeley-radio-and-tv-vacuum-tubes-1000s/7161872283.html Large box of vacuum tube...
0 comments posted 6yrs
posted by mscir
0 comments posted 6yrs posted by mscir

Re: Telko S002M programmable IR Motion Detector

> I have a TELKO S0088 infrared alarm .How do i reprogram it? Who are yoyu asking? -- Randy Bray who posted the article...
0 comments posted 6yrs
posted by trepidation
0 comments posted 6yrs posted by trepidation