Electronics Repair

  1. Home
  2. Electronics Repair
21788 Threads Posts
to

Worth reading in Electronics Repair

Type of wire to use for shielded test lead....

I am restoring a Eico VTVM model 221. The DC requires a test lead with shielded wire and a 15M resistor in the probe. I...
10 comments posted 7yrs
posted by tubeguy
10 comments posted 7yrs posted by tubeguy

Fine pitch trace repair

Due to an unfortuante jab with the head of a screwdriver it looks like I have at least one, possibly two broken traces...
25 comments posted 7yrs
posted by user
25 comments posted 7yrs posted by user

Hooray! Fixed!

I live on an island and it is hard to get CNC repair people out to look at the machines. So I fix 'em myself. The Miyan...
11 comments posted 7yrs
posted by etpm
11 comments posted 7yrs posted by etpm

Solved -- Nook Simple Touch screen not working

Everything worked, but the screen was unresponsive. For once, I googled before asking. The problem is crud between the...
7 comments posted 7yrs
posted by bashley101
7 comments posted 7yrs posted by bashley101

How do you test a Selenium Rectifier?

How do you test a Selenium Rectifier? Yes, I am aware that they should be replaced, but on preliminary tests of this 19...
27 comments posted 7yrs
posted by tubeguy
27 comments posted 7yrs posted by tubeguy

Yaesu FRG-7700 receiver tuning fault

I suppose an amateur radio group would be better but they are very quiet. The mechanical tuning dial works as it should...
5 comments posted 7yrs
posted by LuciferMorningstar
5 comments posted 7yrs posted by LuciferMorningstar

How to tell VA rating of xmfr?

To All, I need to power an amp that draws just under 1.5 amps at 110 volts. I measured the current it draws when powere...
19 comments posted 7yrs
posted by etpm
19 comments posted 7yrs posted by etpm

HP8720B won't phase lock

Well, it will, but sometimes it takes a few minutes. I can't tell if it needs to warm up . Does anyone know what I can c...
2 comments posted 7yrs
posted by 4ctestsystems
2 comments posted 7yrs posted by 4ctestsystems

Samsung TV problem

Model LN52A650A1FX2A A section on the lower right side becomes blurry and ghosty. Intermittent on startup and goes away...
5 comments posted 7yrs
posted by ivanvegvary
5 comments posted 7yrs posted by ivanvegvary

Cell phone signal booster

Has anyone used a cell phone signal booster, and would like to share their experience? The one i'm considering can be s...
14 comments posted 7yrs
posted by albert_h
14 comments posted 7yrs posted by albert_h

Maybe I need another 'scope?

Hey all youse 'scope gurus, I'm gonna be getting a new and a used tube amplifier. The new one is on the way and the use...
61 comments posted 7yrs
posted by etpm
61 comments posted 7yrs posted by etpm