Electronics Forum / Electronics / December 2004

My pool pump has been playing up for a day or two , runs for an
hour or so then shuts down , (overheating)
I have taken motor out and the starter capacitor is ruptured i think it is
60uF 450VAC cant read much else , motor is a 4.3Amp  Model LTP750 made bY

When I say lots of amps, I mean probably lots .. well .. ok .. maybe
20-30-40 .. something like that .. at a relatively constant 24v ..
What kind of SMPS or other p/s setup would be able to work something like
this?

I was driving to melbourne from geelong the other day and I noticed that
there were solar panels every 500m or so along the freeway. There were also
separate street lights that certainly did not look like they were solar
powered. So there must have been mains power around the area. ...

Hello, I am having problems trying to connect my tv to a digial surround
sound receiver(Marantz SR5500). My TV has input sockets only which are 2
scart, one s-video, composite video and left and right audio.
Is there anyway I change one of the inputs to become and output port?

Seems to be full of Faults, the RF BP  filter is shown the wrong way around,
can't use the 107mhz  bands, wrong Vericap diode  used  as per the ROHM Data
sheet.
The one chosen is a 28v one with a limited  Cap swing when use in the

Can you all point me to a place which sells PCB prototyping equipment
for a decent price. I am looking at small jobs using the photo-resist
method, though I might not be averse to the toner transfer method.
Mainly looking for digital electronics, using microcontrollers etc.

I have a problem where my XM radio shuts off when I start my
car.  I also have a Sirius radio, but that stays running when
I start my car.  The XM shutting off is kind of annoying since
it doesn't turn back on by itself after the car is running.

I have an NEC FS-5180 TV which displays an annoying moire pattern,
especially on dark backgrounds.
Does anyone know if this can be fixed from a service menu, & if so, how to
get into the service menu?

Hi everyone, I have put together a small Jukebox for playing MP3's from my
laptop, I am wanting to power the laptop from the power supply that drives
the amp. The trannie is a 28-0-28 M0144, I think this only has a capacity of
2 amps. I can pick up about 35 volts from the positive ...

i'm wanting to transmit a radio signal to about 5KM radius from my
location. i would like to use both the am and fm bands for power -
performance compare.
i know about the audio frequency response difference, am cant go as

Where to buy hard disk (40GB)  for Compaq Evo N800v in Sydney/Australia?

  I recently got a DVD player for my bedroom.  But the TV in there is
from 1989.  It was made by Sharp.  I bought a RCA compact RF Modulator
awhile back.  Unfortunately, the instructions are small too.  I need
some help big time.  

A while ago i posted a question about what I can do with that dish i found.
Something useful i though others might like
http://www.wwc.edu/~frohro/Airport/Primestar/Primestar.html

I need to control a simple heating element which will run off 12Vdc. It does
not need to get very hot.
I need to make it variable.  At the moment I have a 555 running in astable
mode pulsing two MJ13005 transistors which are directly connected to the