Electronics Forum / Repair / April 2007

I'm in the UK. What cheap things can I buy that have bagel shaped
transformers that whine?
The reason, is I want to practice silencing them, with liquid epoxy.
These are the kind of transformers i'm talking about

This regurgitated to the top of my mind today, and started an
argument, because I was interrupted, which derailed my train of
thought. This has to do with quite a while ago when I did alot more
car work. Generally I did not change brakes and stuff like that, I was

Dear Sir or Madam,
We are company mainly operating international trade with good
reputation.Our products include mobile phones, TV, Xbox, etc. If you
have any questions, please contact us without hesitation. We would

Could someone suggest a good source for surface mount technology (SMT)
component kits.  I'd like to have a selection of resistors, ceramic
capacitors, diodes, etc. for repair and future projects.
-Dave, K3WQ

Just wondering.
I have a Proview PV546D PC monitor, and at 1024x768, with a convergence
grid on the screen (as a tiled backgound) shows beam spits into two as it
nears the bottom or top of the screen, worser at the bottom, to a point

Got a call on a Sony Model # KP-43T75, had a blue halo around objects
in the pix, now it's dead. Are these sets known for bad CRT's? If so,
do the CRT's kill the set? Thanks, Dani.

Model # D52W26YX51, chassis # ITC 222. Trying to locate the right blue
CRT, can't locate the
Delta #. This unit is a TV, with built in DVD. It's not even listed on
the RCA B2B site, or Global,

I have a DeskPro EN MOBO with a 24 pin power connector. This is not wired as
a standard ATX.  Does anyone have the pin-out information so I can rewire a
standard ATX?
Thank you.

As the subject says, my trusty Samsung 17" CRT has developed an
intermittent crackling noise, which would seem to come from the back area.
It's also present when the monitor is powered off, so I would think it has
something to do with the power supply circuitry.

My car radio has stopped working in FM mode (every now and then will
work for a few seconds), it still works in AM and the CD player works,
its just FM that gives me the problem. Does anybody have any ideas
before I go and buy another one. Oh and by the way, the FM seems to

I have this Sony  KV35V35 come to me with the power supply in bad shape,
both of the 4834 transistors a condenser 2 resistors and the fuse resistor
were gone and the HOTransistor.I replaced everything and tried the set, on
variable transformer at 80 volts and everything went ...

We have a Hoover Commodore 5kg washer which has stopped working this
morning.  On the drain/spin cycle it's just sitting there with a low quiet
hum - you can still hear the cycle knob clicking though.  Is it possible
that it has a dead pump?

anyone help?
Thanks

Resetting/Hacking Sony Car Stereos from Japanese Tuning to
US...service manuals?
Hi there...
I was wondering if someone has any idea if ANY of the Sony "WX" series

I have a Panasonic ct27g12v TV. Just had repaired, worked great for a
couple weeks.
Now, I have a raster, but no sound or picture.
The controls will change channels and all that but nothing but raster.