Electronics Repair

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Of battery terminals & grease

There are some members of electronic forums that suggest coating automotive battery posts with grease ("any king--axle,...
9 comments posted 11yrs
posted by fbt
9 comments posted 11yrs posted by fbt

Electric toothbrush.

The rechargeable battery died on my electric toothbrush - after a few minutes looking at prices online, I reached for t...
0 comments posted 11yrs
posted by gangprobing.alien
0 comments posted 11yrs posted by gangprobing.alien

Re: Manual head cleaning of HP 6520e printer

> Bob F wrote: >> I have a printer given to me that does not print properly from the >> black print head. There are reg...
2 comments posted 11yrs
posted by news
2 comments posted 11yrs posted by news

Battery for tablet

The battery's gone wonky on my tablet. It takes a 3000 mah. If I was able to get a battery, like maybe, a 6000 mah, wou...
17 comments posted 11yrs
posted by lb
17 comments posted 11yrs posted by lb

Cambridge Audio Azur 640T DAB radio,2006

Surprised to see the scematic out there. Symptom: works for a few minutes then backlight starts dipping out, exactly ev...
7 comments posted 11yrs
posted by diverse
7 comments posted 11yrs posted by diverse

Total Ripoff Pioneer Spares

I'm sick of this s*it. Someone brings me a Pioneer mixer or CDJ to repair, and I need to order spares....
5 comments posted 11yrs
posted by gareth.magennis
5 comments posted 11yrs posted by gareth.magennis

CATV RF Notch Filter

Hi, I never made a NF (Notch Filter), but I am thinking about making a "stub" (I think that's the term) NF for CATV to...
10 comments posted 11yrs
posted by jaugustine
10 comments posted 11yrs posted by jaugustine

Nobody Would Ever Figure This One (amp)

This is worse than the adjust vertical height to correct a greyscale proble m. Had this JBL Pro powered sub with a Crow...
21 comments posted 11yrs
posted by jurb6006
21 comments posted 11yrs posted by jurb6006

radios hum

I have several simple table radios, all transistor, made between the 70's and 80's, and 2 or 3 of them hum, even when t...
19 comments posted 11yrs
posted by NONONOmisc07
19 comments posted 11yrs posted by NONONOmisc07

Re: Car alternator failure -- twice!

> decrease in DC output voltage. No, ONE a shorted diode would cause huge currents in the winding connected to that pha...
3 comments posted 11yrs
posted by jmelson
3 comments posted 11yrs posted by jmelson

Diode in series with the mains

I use a variac with an AC ammeter in line. I like to heat test kit using a hot air gun on low setting. But for the low...
4 comments posted 11yrs
posted by diverse
4 comments posted 11yrs posted by diverse

tool Chatter on 3-axis router

On Saturday, February 14, 2015 at 7:08:42 AM UTC-5, robobass wrote in rec.c rafts.metalworking: > On Friday, February 1...
0 comments posted 11yrs
posted by mogulah
0 comments posted 11yrs posted by mogulah

Transformer winding direction

I recently came across a YouTube video where a guy rewound a microwave transformer to make a spot welder. In talking ab...
31 comments posted 11yrs
posted by isw
31 comments posted 11yrs posted by isw