Electronics Forum / Repair / December 2007

I have found the manual (5822) for the Magnavox CCU091, but now
can't find your question, please repost.

Sound colouration setting on Roland Cube 30
Would anyone know if this is how the output looks, on an oscilloscope, for a
regular sine shape waveform from a signal generator as an input
http://home.graffiti.net/diverse:graffiti.net/obm.jpg

 I have a Casio 2.5" pocket TV and a 5" portable LCD TV. Both of
these have the similar problem. I cant seem to adjust the backlight to
an appropriate setting. I tried adjusting the brightness knob on the
TV, but it either goes too dark or too bright. When i set it to an

For the last week our refrigerator/freezer was getting successively
warmer each day.  I looked
on line and thought it may be the defrost timer/thermostat.  I open up
the back panel (side-by-side Frigidaire )

I have a  pre-lit, 12', 5-year old Christmas tree with about 2500 lights.
Entire sections (levels of branches, if you will) will not light.  You can
imagine what it's like to search and replace burnt bulbs.
The bulbs are of the "shunt type" of course, but still, no lights.  I have ...

would anyone have a schematic for a  heathkit hw-32-a...  need the value of
an  rf coke  by the  final ..thanks     Dave

I purchase DVDR990 Philips recorder. DVD laser is probably a bit used -
is a problem with DVD reading (DVD writing and CD reading is ok).
Recorder statistics:
 Number of times Tray went Open/Closed :      607

   I have a Magnavox (Philips) TV model 27MS3404/17  ch L01.1U AC-7638
(mfg 08/04) in my shop.  The TV will turn on with picture and sound, but
anywhere from a few seconds to a couple minutes, the horizontal sweep
shuts down, which looks like the TV turned off, but the SMPS is ...

On "octave bass" setting only , which of course is the one used.
A sort of auto-wah effect at the flanger rate but with the effects controls
turned to off position. Alternate peaks of a 200 Hz input signal are
attenuated.

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This new sony wireless head set works great on my 32 sony in my
bedroom,connected to`` audio out ``low level on the tv, it feeds a base
station tha modulate to a carrier frequency 2.5 mghz .The problem is in
front of my panasonic plasma at a12 feet distant a loud  interferance ...

I'm trying to remove the DM module from a Mitsubishi DLP, model
WD52725, and I'm stuck.
I removed the back cover and the rear plate. I removed the four screws
that secure the electrical chassis, and I can move the chassis back a

I have a 42" HP PE4240N 42V6 set that was damaged in a power outage.
The screen displays (with cable channel input) colored vertical lines
with no controlled horizontal lines or differentiation.  Basically is
like there is no synchronoous horizontal addressing - if I set it for

subject just about says it all ,,,wih I had kept my old one.
I get 2 dots and a 1" line connecting them nothing else,,help very
much appreciated.
Regards,

I'm getting a barely discernable "buzz" between the 10 and 12 o'clock
positions on the volume pot of my Denon PMA-520 integrated amp.  I
cleaned with Deoxit, no change.  Does this indicate there is a bad
spot on the pot, or could it be something else?  The pot has the