Electronics Forum / Repair / May 2004

Need a hand with a Dell/Sony P991 monitor. The symptoms were random glitches
in the geometry after powerup, and a once in a while power glitch where the
monitor would shut itself down after powerup and then back on again. I
managed to fix the geometry glitches with some resoldering, ...

I have had my Viewsonic P815 for 5 years now and I have been just damn
happy with it. I noticed about a month ago that the side edges of the
screen would seem to get wavy and even sometimes the screen width would
be narrower then usual. Then not long after that, the whole screen

I've got a grid tied solar array that generates a great deal of
interference with AM radio signals. I can't pick up any AM stations
inside the house when the inverter is running. At night when the
inverter is shut down my stations come in fine.

Have a Philips Magnavox Model XL8530 AK01 (Chassis PTV3-75; some boards
id at PTV 400)
which does not come on. Mainline feeds to all 3 (Q410 on main board,
Q161 and Q111 on high

I have a Tek2235 oscilloscope that does not power up. Pilot light does
not come on. AC voltage OK, no burn signs inside. Any trouble shooting
suggestions?

I'm looking for a replacment power cord for an RCA WR-67A Test
Oscillator (signal generator). On the connector end, it resembles a TV
"cheater" cord, and has a standard two-pin AC plug on the other end.
(Modern cheater cords don't have the desired pin spacing.) The pins are

have you ever struck a match and threw it at a charging car battery?

....those magical lights that turn green when you turn the computer on and turn to yellow when you turn it off?

I have found
'456 005-15       REV:8F
MFG:732            B0653
5102820015P

ONLY US65 include shipping (Lead time 5 days, FedEx need 2-3 business
days from China to North America)
MULTI-Designs ON A SIGNAL PANEL IS NOT ALLOWED
NO LIMIT ON THE NUMBER OF VIAS

I'm looking for the adaptor to chassy list, if anyone has one, maybe I
can get a copy of it?  Please
Thanks..

First time poster. I heard this groups are very helpful.
I own on Symphonic 13 inch color TV. It has a built in VCR. My problem
is that everytime I turn the TV on the color and brightness has been
turned all the way up and its unwatchable. It takes a while (like 5

I have a old Sears LXI projection TV. Today I noticed a prevalence of RED
color.
Also while running, all of a sudden the TV shut itself down with a blink of
a green screen.

Would like to find schematic for optiquest and microscan pc monitors,
have the model number, FCC ID and serial number from the back of the
monitors, is this enough information to locate the schematic?
Local library has good collection of this kind of materials, but what

I currently have a sharp Z-85III copier that keeps giving me a paper jam
error. Everytime it's about to feed the paper through the fuse lamp rollers,
the paper gets stuck. Does anyone know what I might be able to do to
troubleshoot this problem without calling the service tech.