Electronics Repair

  1. Home
  2. Electronics Repair
21789 Threads Posts
to

Worth reading in Electronics Repair

which battery for my UPS??

I have a Cyberpower 550VA USP whose battery needs replaced. I see many options during googling, but I'd like to find so...
14 comments posted 10yrs
posted by bbaxter455123
14 comments posted 10yrs posted by bbaxter455123

Returning to that Scope SMPS Problem...

Hi again, I know I said I was going to mothball this scope for the time being, but I keep thinking of new things to try...
21 comments posted 10yrs
posted by curd
21 comments posted 10yrs posted by curd

Baby Monitors. Yep.

I've a client that needs something like an expandable Baby Monitor system. Like one base station and ten "parent units"...
8 comments posted 10yrs
posted by klay
8 comments posted 10yrs posted by klay

plug print related to ground ?

male plug print eg on a Verizon mifi receiver charging cable reads Model number xxxx I cccc I DO NOT EAT BBZZZZZZZZZZZZ...
1 comments posted 10yrs
posted by avagadro7
1 comments posted 10yrs posted by avagadro7

push pull transistor pairs

Hello, Is there anywhere a list of generic transistor/darlington for AF push pull output stages from eg 10 W to 100 W i...
9 comments posted 10yrs
posted by alpibucky
9 comments posted 10yrs posted by alpibucky

Power adapter for Hercules speaker system DOA.

I was given a Hercules XPS 2.140 Slim speaker system. The owner purchased it new from Amazon and it never worked. It sa...
8 comments posted 10yrs
posted by farberbear.unspam
8 comments posted 10yrs posted by farberbear.unspam

CPU fan has become noisy, but a problem....

The problem is that I can't seem to remove it and also, after seeking out websites suggesting lubrication a small hole,...
10 comments posted 10yrs
posted by bbaxter455123
10 comments posted 10yrs posted by bbaxter455123

Project 165

Hi, a few weeks ago, the issue of output valve matching was raised by NG regula r Trevor Wilson in a post relating to t...
1 comments posted 10yrs
posted by pallison49
1 comments posted 10yrs posted by pallison49

Where you electronic waste goes

www.wirelessdesignmag.com/news/2016/02/our-thirst-gadgets-has-created-vast-empire-electronic-waste must see video bob
3 comments posted 10yrs
posted by sound
3 comments posted 10yrs posted by sound

Ev SX300 speaker problem

In for a horn problem, but also loose bits inside rattling around. These are 2 coppery looking monkey metal flanges fro...
2 comments posted 10yrs
posted by diverse
2 comments posted 10yrs posted by diverse

Pad-lifting

Hi all, Anyone got any tips on how to avoid the unpleasant situation where you try to de-solder a part on an elderly bo...
37 comments posted 10yrs
posted by curd
37 comments posted 10yrs posted by curd

Tektronix 2215A B Delay Time Position not working

Hi: Am trying to fix a Tek 2215A with the delayed sweep not functioning properly. I am able to see both A and B sweeps b...
1 comments posted 10yrs
posted by bill.tsec
1 comments posted 10yrs posted by bill.tsec