Electronics Forum / Repair / June 2008

Grooming Your Dog
Grooming is an important part of your dog's health, with regular
brushing and combing helping to remove dead hair and dirt and prevent
matting. Dogs who are regularly groomed tend to have a healthier and

Have an older 23" CRT VX1120 monitor.  I lowered the resolution on it
to 1280 x1024 and a few minutes later the screen went out and now it
is totally black.  Could something of blown up since I lowered the
resolution?  Or was it most likely just a coincedence that it failed

My Teknika TV continually shows channel numer on screen in big, bold
red numbers.  How can this be turned off?  I read on another post that
you must have the original remote control, which I do.  Any help will
be appreciated.

I have an eight year old Goodmans W288NS stereo TV which has recently
developed the following fault:
When using either of the two SCART inputs or the component input (red/
yellow/white sockets) there is no sound from the left hand speaker.

My brother has a nice 27" tube TV (flat screen) that
has gone bad.   The unit is only abt 6 years old.
They were watching it Sat night and the picture shrank
down to one thin horizontal line that stretches across

Took the cover off my Crosley air conditioner to find out why the compressor
motor was tripping its thermal overload a few seconds after kicking on.
The dual  section running capacitor had a strange, twisty, grayish glob
coming out of its side.  The stuff looked like one of those ...

Anyone who has ever owned a Volvo 240 wagon will know that there's one
really annoying design flaw in an otherwise nearly bulletproof car. All
the wiring for the rear wiper, power lock, defogger, center brake light
and license plate lights passes through the hinges so that it ...

Can anyone please confirm whether following microwave oven components
are
out
-rectifier hvr062 (2x062h 802):tested with analog ohm meter-short both

I've started looking into a problem with a Viewsonic PF790 monitor
that I've had sitting in the closet for the last year or so.  The
problem is that about 1 second after turning the switch on, it stops.
The green led on the front panel remains on, but the degauss relay

This receiver seems to work fine in every respect except that the volume
knob has to be turned up to a modest value before the speakers come on.  This
will occur regardless of whether the speakers are actually enabled.
After that, it will usually run at any volume until power cycled

Does anyone know what this would entail.  Have wireless
microsoft that is unavailable in wired format.  Would like to
make it wired.  Have some ps2 and usb cables handy, anyone
experienced in these??

I'm trying to fix this monitor for a local church.  The separate
switching power supply is labeled 12VDC, 4 amps.  Unloaded, the
supply is fine - about 12.2V, and the indicator LED shows solid
green.  Loaded with parallel 10-ohm resistors, for 2.4 amps, the

I have a 1 year old samsung plasma 42 inch tv   I'm getting a  blue color in
some of the highlights  like on the faces of the picture ...not all the
time...  any suggestions        .... thanks

Apologies to anyone that feels that this is the wrong group for this
post as preliminary testing seems to indicate that the amp is fine
(apart from a missing control knob). I have been trying to find out a
bit about the technical specs and whether there are schematics or

Would anyone have a schematic for the following vintage radio? Does
not seem to be a well-known model number.
Make: Philips
Model No: B5CA 66U (as seen on rear panel)