Electronics Forum / Repair / July 2004

Does anyone have a list LED fault codes for Sony TVs? I have a portable that
won't come out of standby and LED repeatedly flashes 7 times
Thanks
Peter

I have an Akai CTV 2114 , which has a strange problem. It works fine
most the time, but then suddenly the display starts to shrink vertically
( horizontal length remaining fine ), with lines of breaks in between.
Some times it comes to worse condition, and there will only be a very ...

Does anyone have a 400volt 10amp in a TO-220 package, to sell?
I posted a message a week or more ago that I need one for a
reciprocating saw that is considered obsolete by the manufacturer.
The problem is that I need a $2 part and every online electronics

Can anyone direct me where can I buy a cheap (and still usable) oscilloscope
in the US? I need it for home electronics (hobby) and think about spending a
few hundred dollars on a reasonably good scope.
Thank you!

I have this set in the shop with a complaint that the picture turned
green. It does in fact have a green raster and what seemed to be
simply reduced width until I connected the antenna and now its obvious
that the horizontal is running way off freq. The set autoprogrammed

I've purchased a Fender LTB power amp with speakers from eBay. it is
an 80W solid state mono amp that I was planning to use with my drum
module.
There is a problem with it. First I noticed that there is slight hum

I came by this group by an site that offered the service man codes,
and was curious if anyone can help me please with this problem that
just happend in the last three hours. I had to pick up the TV and move
it.

I have a thermistor that I would like to resolder the lead onto the
chip material.
Of course there needs to be a coating that will accept solder and also
make connection with the chip.  Is this something that can be done

This set rolls for 20 minutes upon turn on and gradually settles down.
I plan to esr all the caps in the vertical circuit but I have no
schematic and was wondering if anyone has anything definite on this.
Thanks, Lenny Stein, Barlen Electronics.

Model no. 790 46802 991
This is actually a Whirlpool.  We are getting a "F1" code on the
display.   Anyone know what this means?  The oven top actually works,
but we can't use the actual oven.

It has been a while since I aligned a TV
receiver and I was looking for a little
refresher on using a pattern generator.
I am using a Conar test pattern generator.

the monitor suddenly died (it just didn't turn on one day). No picture, the
LED is off, with a strange periodical "buzz" sound. Nothing inside looks
fried to me.
Anyone familiar with this problem?

Can someone give me the part number (or proper replacement) for the
tape end sensor infrared diode for a Mitsubishi Model #  HS-U510 vcr ?
I have tried Mitsubishi and they won't give me the part #.  I'm not
going to buy a service manual just to get the part #.