Electronics Repair

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Plasma TV repair tips?

I have a 42" HP PE4240N 42V6 set that was damaged in a power outage. The screen displays (with cable channel input) col...
2 comments posted 18yrs
posted by barryklein
2 comments posted 18yrs posted by barryklein

six pulse bridge rectifier

Hello, I am having problems measuring the voltage of a 600 kW six pulse bridge rectifier with a simple multimeter .......
18 comments posted 18yrs
posted by rex7us
18 comments posted 18yrs posted by rex7us

Hard drive gets no power

Hi all, I have a Western Digital WD800 80 GB drive. I am not sure why the drive will not power up. Here are the specs o...
18 comments posted 18yrs
posted by mejasiu
18 comments posted 18yrs posted by mejasiu

Only getting a 6-inch high strip of picture on TV

Hi, we have a 27-inch Sanyo TV that's a year-and-a-half old. Not HDTV or LCD or plasma or anything, just a plain old tu...
4 comments posted 18yrs
posted by nowhereman
4 comments posted 18yrs posted by nowhereman

Win XP goes off after 30 days

After re-installing win XP SP on my machine it goes of in about 30 days. I was asked activate it on the net but I dont...
29 comments posted 18yrs
posted by fynnashba
29 comments posted 18yrs posted by fynnashba

Free To Air Satellite TV

For about a year or so, I have been thinking about something like that.A few sites I have looked at before are www.star...
6 comments posted 18yrs
posted by cuhulin
6 comments posted 18yrs posted by cuhulin

Tek 2235 no scan

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,,h...
2 comments posted 18yrs
posted by joesmith
2 comments posted 18yrs posted by joesmith

Microchip 5751.

Not exactly a repair question, but this group is a more likely place to find someone who may have encountered the devic...
2 comments posted 18yrs
posted by dai.ode
2 comments posted 18yrs posted by dai.ode

Marshall "1962" from 1993

Working order but for bad pot, but some things are not pucker. One of the dual 50uF, 500V can caps has a dent, obviousl...
5 comments posted 18yrs
posted by diverse8
5 comments posted 18yrs posted by diverse8

Ceramic disc capacitors

I've recently had a few cases of ceramic discs - usually 0.1µF used for HF smoothing - failing short circuit. They've b...
2 comments posted 18yrs
posted by dave
2 comments posted 18yrs posted by dave

Proscan TV

I need a schematic or service manual for a Proscan TV, Model PS27113; Chassis No. CTC169CL5. Does anyone know of any fr...
1 comments posted 18yrs
posted by jag
1 comments posted 18yrs posted by jag

Speaker impedance qusetion

My shortwave radio receiver's speaker is dead (Hallicrafters Model S-38). I can't find an exact physical match to it in...
8 comments posted 18yrs
posted by bq340
8 comments posted 18yrs posted by bq340