Electronics Repair

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Panasonic KX-TPA50 earpiece speaker

For benefit of the archives... I just finished repairing a Panasonic KX-TPA50 handset (it's a cordless handset for thei...
0 comments posted 9yrs
posted by unp
0 comments posted 9yrs posted by unp

Reliable Slide Switches?

I have a couple small magnetic-base gooseneck work lights mounted on my milling machine. They were designed for 20W 12V...
18 comments posted 9yrs
posted by gwhite
18 comments posted 9yrs posted by gwhite

Noisy Switches

has anyone got any tips as to how to deal with these? Some of the pots and rotary switches I come across seem (at first...
10 comments posted 9yrs
posted by curd
10 comments posted 9yrs posted by curd

Starting problem with a Samsung Lappy

Hi Friends I have a Samsung Lappy Modl R439. When I press the start button the blue indicator near the button comes on...
11 comments posted 9yrs
posted by iam
11 comments posted 9yrs posted by iam

Re: Batteries

> On Monday, October 10, 2016 at 11:06:50 AM UTC-4, Phil Hobbs wrote:- > > Torque is proportional to current, no? > - >...
1 comments posted 9yrs
posted by jo-SpamtraP-hn
1 comments posted 9yrs posted by jo-SpamtraP-hn

Troubleshooting RFI from switch-mode PS

I have a Samlex 120VAC-13.5VDC at 35A switch mode power supply for my amate ur radio equipment. Working great for last...
22 comments posted 9yrs
posted by lagagnon
22 comments posted 9yrs posted by lagagnon

Headphone connector repair

Seems like it should be the easiest thing in the world, but I'm ashamed to admit I'm having trouble with this. The repl...
19 comments posted 9yrs
posted by bitrex
19 comments posted 9yrs posted by bitrex

Engine Management Units

Hi all, Has anyone had to work on one of these? If so, is it possible to probe through the transparent conformal coatin...
4 comments posted 9yrs
posted by curd
4 comments posted 9yrs posted by curd

Mark Bass , magic smoke, only 3 years old

This variant , they've sorted out the bad thermal air path "design" for the main heatsink, but introduced another. Zobe...
11 comments posted 9yrs
posted by diverse
11 comments posted 9yrs posted by diverse

Tubes in broken spotwelder & other questions

All, I know almost nothing about tubes(AKA valves). My son bought a capacitor discharge spotwelder that uses tubes. It...
38 comments posted 9yrs
posted by etpm
38 comments posted 9yrs posted by etpm

RCA P60928 convergence

Looking for how to get into the menu for fine adjustment of convergence on a rca P60908. Thank Ted
24 comments posted 9yrs
posted by Tmachcinsk
24 comments posted 9yrs posted by Tmachcinsk

Tandberg 3600xd motor problem

I am trying to restore a Tandberg 3600xd. I have a problem with front motor bearing. It is kind of loosed,and the rotor...
4 comments posted 9yrs
posted by vepemi
4 comments posted 9yrs posted by vepemi