General Electronics

tv no raster & low sound

greetings, Can anyone tell me where to troubleshoot this type of tv problem? i have here 30 inches SONY tv. Model No: K...

2 comments posted 21yrs

posted by cheian07

2 comments posted 21yrs posted by cheian07

SMPS used at 110v instead of 230v Question??

I have 4 mobile phones and chargers, all different manufacturers. (Sony, Siemens, Nokia, Motorola) All apart from one (...

3 comments posted 21yrs

posted by Charger

3 comments posted 21yrs posted by Charger

SWPS used at 110v instead of 230v Question??

I have 4 mobile phones and chargers, all different manufacturers. (Sony, Siemens, Nokia, Motorola) All apart from one (...

1 comments posted 21yrs

posted by Charger

1 comments posted 21yrs posted by Charger

Hot plugging 3.5mm jacks

Can anyone tell me if "hot plugging" a pair of headphones or a mic from its respective jack while the device is turned...

2 comments posted 21yrs

posted by jconway461

2 comments posted 21yrs posted by jconway461

FS: Oscilloscopes/Test equip.

I have the following list of test equipment FS. All the equipment is tried & true in super good cond. inside and out w/...

0 comments posted 21yrs

posted by HomebruElectronics

0 comments posted 21yrs posted by HomebruElectronics

New invention to stop people losing their remote controls

Hi, I hope this isn't off topic, but I did see some posts about remote controls here so I guess it's ok. Anyway please t...

1 comments posted 21yrs

posted by mick

1 comments posted 21yrs posted by mick

UK Siemens A60 A65 Mobile Phone Charger question

Label states 230v, but seems to also work @ 110v in bathroom shaver socket in UK Off load, 230v 9.22v, 110v 9.14v Sieme...

0 comments posted 21yrs

posted by 365Virgin

0 comments posted 21yrs posted by 365Virgin

Illumination mcd for flashlight bulbs ?

Anyone know, or point me towards the light output, preferably in mcd's, for normal flashlight bulbs, P9 base, or screw,...

2 comments posted 21yrs

posted by gef

2 comments posted 21yrs posted by gef

atx psu operation

greetings!!! can anybody in this newsgroup give me an idea on the detailed operation of an atx psu. i already knew from...

5 comments posted 21yrs

posted by cheian07

5 comments posted 21yrs posted by cheian07

The Laws of Electronics

Created by me and a friend (Andre - testing_h+yahoo+com) on IRC... First Law of Electronics: Capacitors have a voltage...

16 comments posted 21yrs

posted by philpem

16 comments posted 21yrs posted by philpem

high voltage and high current transistor?

Does anyone know if there is a transistor that can handle up to 130 V and 18 amps? I've been looking around and all I ca...

3 comments posted 21yrs

posted by totten

3 comments posted 21yrs posted by totten

Cell phone power adapters/coverters?

I am going to be switching back to my "newer" LG VX6100 phone from my "older" Motorola 270c in the near future. My wife...

1 comments posted 21yrs

posted by scott

1 comments posted 21yrs posted by scott

Replacing NiCd camcorder battery with NiMH

I everyone I would like to replace the NP77H NiCd battery on my Sony analogue camcorder with a suitable NiMH one. The b...

6 comments posted 21yrs

posted by sheriff.nottingham

6 comments posted 21yrs posted by sheriff.nottingham

Mystery part...

Dumb newbie here, trying to identify the mystery part soldered into the windings of an electric household fan. The fan...

3 comments posted 21yrs

posted by db5151

3 comments posted 21yrs posted by db5151

Accurate timer?

Im looking for something to give a ttl pulse into a stepper motor driver board. I thought of using a 555 but I'm not su...

0 comments posted 21yrs

posted by jamesb

0 comments posted 21yrs posted by jamesb