Electronics Forum / Repair / April 2008

I acquired this set with a blown HOT and power supply, and
presumably a bad flyback as well. I replaced the flyback, HOT, and a
number of power supply components including the MX0841 IC. Wouldn't
you know it, I had missed a shorted zener in the power supply, and of

Hi. I have an RCA HD50LPW175 YX2 television. Chassis ATC336. The light
engine circuit board has an intermittent. Flexing it just right,  I
can get the bulb to come on. I have the RCA service manual for it, but
unfortunately, it does not contain a schematic for the board. It says

My Wi-Fi access point (D-Link DWL-700AP) ceased to work, but I found
out what the problem was. The power adapter is dead. However, in my
junkpile I managed to find a generic power adapter from some old
appliance, and it seems to work with the access point.

I am looking for an under cabinet tv dvd player combo with radio.  I
want one with the new ATSC digital tuner.  I dont want to spend a
whole lot on this for the kitchen.  I have an OLD 4" jobby in their
now til feb when it will be a hanging paper weight.  Any suggestions

Just bought a Pioneer CT-F1250 off Ebay, I've alway's wanted one.
(Got it cheap for about $150 because of a misspelling in the listing
title)  When I got it, the belts were slipping (not a big deal, those
are easily replaceable).  However, it also seems like none of the EQ's

41 pin 4 wafer motorised function switch is driving me round the twist.
Desoldered from the board and low voltage driving the motor to each of the
six points where the first wafer switch , on in each of 6 positions, the one
with narrow contact areas, is closed at dead centre of each ...

Has anyone bought/used one of these?  They seem to be a neat device to
analyze home device power usage, such as a new refrigerator will take 20
years to pay back the purchase price, regardless of the wife wanting a new
one.  :-)  Any experience out there?

This is perhaps a bit off-topic, but this seemed like the best place
to post this question. I bought a fairly expensive Vornado space
heater, it's a rather nice unit with digital temperature control etc.
but it has a rather annoying flaw. You see, instead of controlling the

Here is a Prius Ni-Mh Battery Pack on auction for .99 cents.  Please
view at:
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=001&sspagename=STRK%
3AMESE%3AIT&viewitem=&item=110239191165&rd=1

A couple months ago I built myself a new computer and for some reason,
the power indicator LED stays on for about 20 seconds (when I first
turn the computer on). After that, it flickers and goes out. I've
hooked it up to 3 different locations on the motherboard and the