Electronics Forum / Repair / February 2006

I would like to make (slight) adjustments to the horizontal width and
pincushion distortion on my Toshiba TV, model 27AF45.  Does anyone know
if this can be done via a service mode menu?  If so, how do I access the
service mode.

We need a 5.5V lithium battery for the 8753C A9 CPU board.
This unit is no longer supported by Agilent; anyone know of
an equivalent battery? (mfr/part#)
Thanks!

1981 Pioneer laserdisc.  This thing has been working perfectly since I
got it years ago but last night it just went to static in the middle of
a movie.  Now when push play the disc never budges, it just pauses and
the head moves a little and goes straight to eject/lid pops open.  I

I have a Sony Trinitron KV-1442AEB and I want to hook up my old VCR to
it.  I want to use a coaxial cable, but the problem is that my TV does
not have a male knob with screw threads.
My TV has a female type hole and I thought we used to have a small part

When the picture comes up it looks great. Some times the Raster never
comes up and a high pitched whine is heard. When the power is cycled
several times or the set is left on for a while the picture appers. The
sound is always there and is very good also. Model year is 1978

Hey guys,
I have a 1992 Panasonic PC-29XF10A 27" TV.
Since about 2 days ago, a ~2" black bar appeared at the bottom of the
picture and the remaining picture on top of that is compressed

Anyone here have any idea how to diagnose and fix an analog keyboard with a
low signal output that's only coming through in one channel? Is there an
internal amplifier? Is it just the jack?
thanks!

I am checking  out a Hitachi vt-m727 VCR which does not record sound
any more
Could be the eraser heads are not doing the job but since I also tried
recording on a brand new tape the fault could be elsewhere in the

The screen on my Grundig has gone black. When i try to turn it on,
nothing happens except the little red LED in the power button lights up
normally. I've checked the internal fuse, it's ok.
The TV set is called MW701008. It is from the late nighties, don't know

My attempts to repair a 1990 camcorder have failed, and it's
totally dead.
Now... what to do with it?
Any thoughts appreciated.

Really newbie. Adventure to repair 2 LCD Monitor CMV model A150X2 T03.
Current tool, only a screw and soon a multimeter.
Premorbid : well functioning.
Cause of malfunctioning : my current thought is a wrong adapter was

Does anyone know how to change a Makita 9.6 volt battery charger made for
NICAD's . I want to be able to charge 9.6 volt NiMH in it and it refuses to
work.
The NiMH battery has the same physical dimensions as the NICAD

Hello all - I have a Dell PowerVault 200S SCSI Drive cage and the fans
are driving me and more importantly, the others in my house, nuts. It
currently has three redundant Papst RL90DC fans, running at 12VDC. Does
anyone know of a good quiet replacement for these units?  Any help is

A helium balloon drifted to my tv and touched the screen and I assume
from running across the carpet it built an electrical charge and when
it touched the screen the tv went out for a second and came back on,
but now the remote does not work and the power light on the tv no

I have acquired a Sharp sm-25sb60 TV (circa 1990) without remote or
paperwork. I do have a universal remote that will operate basic
functions but a few of the channels have been locked out of the channel
up/down and I can't find a way to add them back in. I can access those