Electronics Forum / Repair / January 2005

I have a Porter Cable hammer drill (#7750) and the reverse isn't working.  I have opened
up the handle and accessed the trigger switch, but there are a few too many wires going
into it for me to figure out where to test.  I see the main current wires(one white and
one black) coming ...

I was given a Philips 20FT3210/35 20" LCD TV. It was a sample given by
Philips to my employer and then to me when it was no longer needed.
This model is generally used in hotels, etc, with limited access to
controls by guests. It requires a master remote to access full

Need to replace screen on old Thompson GE rear projection tv, Model
46GW750C.  Is that still available anywhere, or is there another scree
I could substitute
--

I have a P-IV 1.8 Ghz computer with 256MB RAM and 40GB hard disk. Of
late it has become extremely slow. I have done virus checking and
spyware checking. Nothing comes up in that. What could be the reason
for the slowing down of the computer. If anybody has any solutions

Hey all,
Think there's any hope of that?, or am i relegated to xfering files
onto my mp-3 player and xfering 1GB at a time (and slloooww)?
Thanks for any help here,

Guys,
I've got a 1992 Panasonic 20" TV (model: CTN-2056S   Chassis:  AEDP213)
- the convergence at the bottom of the screen is off.  Does this unit
have a "serviceman mode" like the newer panasonics?  I've tried the

Hi;
The place I been at for over a decade is slowed down. I decided to take another
job, have talked to the owner and am going there next week.
Yes I'm staying, but I'll also work there. I have most of my tool deficiencies

I have a Magnavox Projection.
MdlRM8564A103
ChassisPTV386A001
     There is no response with the controls except for the color control,

I have a Panasonic HD ready projection 60" TV that needs conversion in areas
where the basic conversion does not help.
Where do I find the manual conversion panel?
GM

When replacing caps is there any thing special to look for. I know it
has to have the same capacitance, voltage, and temp is there something
else?
Also what are your opinions on using a higher voltage cap than was

I have a question about my Sony SL-2000 Betamax VCR; that's the little
1982 portable that is the mate to the TT-2000. It's not clear to me
where the best place to ask this might be, so I'm going to start by
just asking here. Just in case, does anyone know if there is a Beta

Q
Monitor power light indicator changes from green to orange and there is
nothing on the display.
A

My Marantz SR-50 has developed a 50Hz hum thru both channels.  I
started as a fairly quiet hum and has gotten worse over time.   Th
unit still works otherwise.
Looking inside I can see that a few components in the power amp stag

This managed to get dropped down a toilet.
Everything seems to work, following a couple of weeks drying out, apart
from the flash and the top screen.
Does anyone have any technical sheets on how to service this camera?

Does anyone have any experience with this model? Its got a CD writer
in it so its probably worth saving if possible. I have no service
manual for it. Thanks. Lenny Stein, Barlen Electronics.