Electronics Repair

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Sears Garagedoor Opener Won't

1999 (old) 1/2 HP Sears screw opener All mechanicals and motor good. New opener button(#1) worked for six months then q...
1 comments posted 11yrs
posted by BobR
1 comments posted 11yrs posted by BobR

Need help with ESR(?) meter

When I have encountered power supply problems in the past I have just replaced all the caps. I have wanted to get an in...
7 comments posted 11yrs
posted by NoEMail
7 comments posted 11yrs posted by NoEMail

FORD E250 piezo buzzer

Suggestions on wiring add on buzzers for example into the flasher circuit ?
4 comments posted 11yrs
posted by avagadro7
4 comments posted 11yrs posted by avagadro7

Tapco Juice J.1400 slave amp

One fan fails to start. Presumably 12V but only 3.8 to 4V over both fans at start up. Recognised problem /solution.? As...
5 comments posted 11yrs
posted by diverse
5 comments posted 11yrs posted by diverse

ampex 1200 take apart and clean

I am trying to keep an ampex 1200 from dragging, anyone know how to take apart, clean and lubricate?
1 comments posted 11yrs
posted by video guy
1 comments posted 11yrs posted by video guy

S: Manual for Philips PM 2422_A_ DMM

Hi, The ADC of this multimeter consists of the chipset of which I'm searching for FEJ 271(B). Unfortunately, the manual...
2 comments posted 11yrs
posted by reinhard.zwirner
2 comments posted 11yrs posted by reinhard.zwirner

The medical paradox

Two physicians walk into a bar.....
5 comments posted 11yrs
posted by nobody
5 comments posted 11yrs posted by nobody

SOP-16 to DIP-16 converter, ant tips

The off-the-shelf ones seem either the easy way round,small to large, or too bulky. I've about the space of 3 DIP16 sta...
0 comments posted 11yrs
posted by diverse
0 comments posted 11yrs posted by diverse

The cellphone paradox - where are all the accidents?

The cellphone paradox - where are all the accidents? The Fermi Paradox is essentially a situation where we "assume" som...
273 comments posted 11yrs
posted by curt.guldenschuh
273 comments posted 11yrs posted by curt.guldenschuh