Electronics Repair

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low current circuit breaker or fuses?

Over the past week, I built a small nichrome based 50 watt heater that runs from 12 VDC power supply. It currently has...
2 comments posted 5yrs
posted by ws194
2 comments posted 5yrs posted by ws194

Callins capacitor?

Greetings, Why do Callins capacitors command such a high premium: https://richelectronics.co.uk/product/callins-300uf-2...
50 comments posted 5yrs
posted by g
50 comments posted 5yrs posted by g

XT30 connectors

I have been using the Anderson Power Poles and this thread is the first I have seen of the XT type connectors. From loo...
4 comments posted 5yrs
posted by rmowery28146
4 comments posted 5yrs posted by rmowery28146

RCA main board

Hi Group, need help choosing a main board for an RCA TV model .. led32c45rq.. main board # fre01m3393lna35-a2.. i want...
12 comments posted 5yrs
posted by hildawinkler77
12 comments posted 5yrs posted by hildawinkler77

Luxman L-11 integrated amp

Hello all, I'm working on an L-11 which has issues with the -b2 power supply which feeds the front end of both channels...
3 comments posted 5yrs
posted by tim
3 comments posted 5yrs posted by tim

Acoustat Electrostatic Speakers

My brother has a very vintage pair of Acoustat speakers driven from what he describes to me as an Acoustech IV pre-amp,...
3 comments posted 5yrs
posted by peterwieck33
3 comments posted 5yrs posted by peterwieck33

liquid electric tape?

Anyone here use it and what is its durability? How about melting temperature in warmer environments? Thanks.
15 comments posted 5yrs
posted by jbc3
15 comments posted 5yrs posted by jbc3

Smoke detectors, Ionization vs Photoelectric

> > > >> Looking to install some new smoke detectors. I was going to install > >> Ionization type smoke detectors in th...
0 comments posted 5yrs
posted by mogulah
0 comments posted 5yrs posted by mogulah

Who rewinds power XFRs?

I have a McIntosh MX110Z with a bad transformer. Any recommendations for rewinding? I've never done one and have no inte...
11 comments posted 5yrs
posted by ohger1s
11 comments posted 5yrs posted by ohger1s

Receiver sensitivity

While not really a repair,but more of a question. Why is it that I have one of the portable receivers with a whip anten...
12 comments posted 5yrs
posted by rmowery28146
12 comments posted 5yrs posted by rmowery28146

XT60 and soldering update

My former post was on the unwanted heating up of a cigarette lighter and it was determined that there was too much resi...
5 comments posted 5yrs
posted by bestnet
5 comments posted 5yrs posted by bestnet

rca led32c45rq not turning on

Hi Group, I have an RCA led32c45rq not turning on, no pic, no sound. light on, 5v on stby power supply.. what board do i...
4 comments posted 5yrs
posted by stankowalski02
4 comments posted 5yrs posted by stankowalski02

Vizio E480-B2 no pic

Hi Group, can someone help please? workin on a Vizio E480-B2 no pic, patie nt said, tv has sound no pic, i experienced...
1 comments posted 5yrs
posted by hildawinkler77
1 comments posted 5yrs posted by hildawinkler77

shunt/ current sense resistor question

In the process of finishing a 0-12 VDC @ 0-10 A switching power supply. Fairly new at this and wanted to ask about the...
9 comments posted 5yrs
posted by jbc3
9 comments posted 5yrs posted by jbc3