Electronics Repair

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Electric scooter speed contoller

Hi guys, I scored an electric scooter on trash day. (A Schwinn zone 5) Of course the SLA batteries were toast. (2 X 12V...
9 comments posted 13yrs
posted by ggherold
9 comments posted 13yrs posted by ggherold

Grounding Antenna Question

Can I ground out my outdoor FM antenna from the pole? Does the negative of the coaxial cable have to be grounded? Which...
18 comments posted 13yrs
posted by noreply
18 comments posted 13yrs posted by noreply

A Sony' CRTs color is screwed up.

I have a Sony 19" desktop tv, about 20 years old, which gave a perfect picture since I got it 10 years ago, until I wen...
34 comments posted 13yrs
posted by NONONOmisc07
34 comments posted 13yrs posted by NONONOmisc07

hardware and softwar of camera ir 720 tvl sony

hello I am a student and I am trying to do my final project study is "acqui sition of a video signal to a base board (n...
0 comments posted 13yrs
posted by kawtar.loubna.prof
0 comments posted 13yrs posted by kawtar.loubna.prof

zener failure question

How often does a zener have a failure mode where it acts like a good (not leaky) much lower voltage zener? I usually se...
5 comments posted 13yrs
posted by cyberwitch
5 comments posted 13yrs posted by cyberwitch

Crossposts and Off Topic Subjects

Lately there have been some posts crossposted to kook/fanatic groups, and individuals here that are posting crap based...
1 comments posted 13yrs
posted by wb_wildbill
1 comments posted 13yrs posted by wb_wildbill

Altec Lansing ACS33 subwoofer schematic??

I need to repair this puppy but have searched all over for schematic or service data but all I can find is the user manu...
0 comments posted 13yrs
posted by mmoss
0 comments posted 13yrs posted by mmoss

Shopping for a receiver

It is harder and harder for me to understand speech on TV audio. I would like to be able to insert an equalizer into th...
22 comments posted 13yrs
posted by NoEMail
22 comments posted 13yrs posted by NoEMail

Bosch PB10C-CD Boombox

This is one of those Bosch "Power Boss" boombox units with battery charge r, AC inverter, etc. very nice looking on the...
0 comments posted 13yrs
posted by packrat1979
0 comments posted 13yrs posted by packrat1979

Sony SL-2700 Betamax

Is there anyone here old enough to remember working on the Sony SL-2700 B etamax? I refurbish Beta's for resale and thi...
15 comments posted 13yrs
posted by packrat1979
15 comments posted 13yrs posted by packrat1979