Electronics Forum / Repair / March 2004

The monitor came in with purity complaint and found remains of liquid
spill made a direct bulleye hit on that tiny standoff board of this L2
board.  This L2 board on four plastic standoffs right smackdab in
middle of chassis under yoke.

Dear Friends: Greetings: I am a retired attorney. A few years ago a
man came to me with a letter. He asked me to verify the fact that this
was legal to do. I told him I would review it and get back to him.
When I first read the letter my client brought me, I thought it was

What are some of the reasons why  DVD players
play some DVD'S and not others?
What is the purpose of the under sides of DVD
discs having different colors?

Yamaha has totally ignored my 3 requests to provide a schematic (someone
claimed they charge you $18 anyway).  Yamaha audio sets are not in Sams.
Someone suggested I checked the crystal (remote receiver not operating).  I
don't believe an IR receiver uses a crystal.  Surely, ...

Evening, all. I apologize if this is the wrong group to make this sort of
request, but I've run out of ideas.
I'm looking for a schematic of a circuit that will randomly fire a
collection of photo flash units.

I have a faulty Hypson CTV NR R 55 with a shorted LOPT. This is the
Geant supermarket brand in France and I'm unable to find any info on it.
It looks as though it could be a Phillips badged chassis as the circuit
diagram (yep, there was one in the box would you believe) is all ...

i have a 14inch proview monitor that ive been using for years.  it has lost
contrast, or maybe brigtness.  i have to turn the color settings up to get
the brightness back and frequently have to do a gamma adjust to bring it
back up to par on certain progs.  would it be the CRT or is ...

Hello people.
I have a Vitech monitor (DX-1564, made in Brazil) connected to a S3 video card
in my PC.
Today, I went away from my computer for a lot of time (~1 hour) and this

I am looking at an older HP LaserJet 3P printer that will not print for a
friend.  I do not have a service manual, but figured I would give this a
shot.
Symptoms: Plug in and power on the unit and it runs through its "05" self

I know this is a long shot, but I need a Hybrid IC RD1695A for a bad
ballast.
Thanks.

Sanyo Model DS25590
I found one by searching online for a shocking $67.80.  Any chance I can
do better than that?
Thanks,

Hello...
My Tv died the other night. I had a look at it and it appears to have a
bad HOT and a capacitor (Blue In color .5uf 250 volt) The Cap swelled up
a little. Replaced the 2 parts and also checked a large diode next to

I have a problem with a Boxlight CP-15t projector:  It displays vertical
blue lines all the time no matter what the video source is set to (and
then you can see the image "in front" of the lines.
Does anyone know what might be wrong, or a good place that could take a

anybody know the pinouts for thompson rca ctc187cl3 flyback transformer?
trying to diagnose a problem with whining ps.  now lost power altogether
trying to diagnose, fuse is blowing,
when i replaced the HOT i heard arcing, then back to the whine.

My Sony DAV S300 Surround sound system has recently stopped producing
sound from the right rear channel. I've switched the speaker to
another channel and it works fine, so it must be the right rear
channel output in the back of the system.