Electronics Repair

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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

Vivitar 283 repair?

I have some Vivitar 283 flashes I used several years back in lower power mode for a special application (I swapped out...
2 comments posted 10yrs
posted by bbaxter455123
2 comments posted 10yrs posted by bbaxter455123

Revox B251 Integrated Amp No Output and More

Before I dive in blind, here are the symptoms: This amp, which had worked nicely at our summer house (seasonal use) for...
9 comments posted 10yrs
posted by pfjw
9 comments posted 10yrs posted by pfjw

Samsung ln40b530p7 audio ok backligth intermtitent

At the time of turn con picture and audio are normal and aprox 15 secs late r backligths do not ligth con so no picture...
2 comments posted 10yrs
posted by mloo1955
2 comments posted 10yrs posted by mloo1955