Electronics Repair

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Siemens Symphony Magnetom 1.5T MRI 2004 Medrad Spectris Solaris Injector 3004213 11384 Series 23449 Software NUMARIS/4...
14 comments posted 6yrs
posted by peterwieck33
14 comments posted 6yrs posted by peterwieck33

Refrigerator current load

I expect a large fridge to draw around 5 amps, but my clamp transformer (on one wire of a broken-out extension cord of...
50 comments posted 6yrs
posted by fizzbintuesday
50 comments posted 6yrs posted by fizzbintuesday

Antique Philco 37-630 radio needs repair.

I'm looking to get this Philco 37-630 radio repaired. It turns on but there's no sound. Pictures of it are here. https:...
0 comments posted 6yrs
posted by farberbear.unspam
0 comments posted 6yrs posted by farberbear.unspam

Noise on VCO voltage ramp

Gentlemen, I've got this weird problem with the network analyser I posted about recently. The problem *seems* to be noi...
26 comments posted 6yrs
posted by curd
26 comments posted 6yrs posted by curd

Digital MultiMeter with a Voltage Beeper

Hi, I am looking to buy a DMM that has a BEEPER when a voltage (AC or DC) occurs above a preset threshold. Example: Wit...
4 comments posted 6yrs
posted by jaugustine
4 comments posted 6yrs posted by jaugustine

Verizon Telephone Ringer ISSUE (land line)

Hi, I have an intermittent problem with telephone(s) NOT RINGING when someone tries to call. Most of the time, the tele...
24 comments posted 6yrs
posted by jaugustine
24 comments posted 6yrs posted by jaugustine

What's wrong with Onkyo

I just bought an Onkyo NR696 receiver and it has a maddening problem. When HDMI video starts from any source the first...
2 comments posted 6yrs
posted by NoEMail
2 comments posted 6yrs posted by NoEMail

Re: More about that Chine

01-03-20 06:46 Trevor Wilson wrote to snipped-for-privacy@aol.com about Re: More about that Chine Howdy Trevor, TW> @MS...
3 comments posted 6yrs
posted by Ed.Vance
3 comments posted 6yrs posted by Ed.Vance

More about that Chinese amp

Well, I peeked inside the amp and took off the transformer covers. There are indeed 3 transformers. From what folks hav...
3 comments posted 6yrs
posted by etpm
3 comments posted 6yrs posted by etpm

3 phase motor and VFD questions

I scrapped my GE washing machine. Actually, it scrapped itself when the drum spider broke making repair too expensive t...
10 comments posted 6yrs
posted by etpm
10 comments posted 6yrs posted by etpm

Terrible tube amp noise

A little over a year ago, or was it two, I bought a Nobsound tube amp. The amp is a type A and operates in the ultra li...
17 comments posted 6yrs
posted by etpm
17 comments posted 6yrs posted by etpm

STK module replacement

Got a nice JVC A-S7 amplifier. But one of the STK0055n final ICs died. A darlington pair. Seems most of the STK modules...
7 comments posted 6yrs
posted by tubeguy
7 comments posted 6yrs posted by tubeguy

Radiation Alert, Monitor 4 repair

Monitor 4, "Radiation Alert" S. E. International Inc, Summertown TN These little GM counters have a typical failure: th...
2 comments posted 6yrs
posted by billb
2 comments posted 6yrs posted by billb

Re: Hantek

>I bought a Hantek a few years back. Was going to go with a Rigol, but >overheard a couple of men at a hamfest talking...
4 comments posted 6yrs
posted by cd
4 comments posted 6yrs posted by cd