Electronics Forum / Repair / October 2007

   I am trying to track down a short on a computer board.  With power source
disconnected, there is almost 0 ohms reading between +5 volt "line" and
ground.
  There was a device called "LeakSeeker" 82B that was designed

This set comes on and works fine for about 5 minutes. Then it clicks
off. The led keeps blinking two times. I wait a few seconds and I can
then turn it on again and this time it stays on for only about 15
seconds and then shuts off again. After waiting a few seconds more you

Is apparently to be resurrected - January issue should be available sometime
December.

Hey, a short while ago you guys helped me fix my Boss "hand clapper".
Thanks!
This time I'm trying to repair my pg800 controller.  The problem is
that when you shake it (sometimes you barely have to touch it), it

I have a US bought portable 5" TV, I was wondering if it would work
with PAL and SECAM formats on batteries, and/or a power adapter
purchased locally (50Hz instead 60Hz).

Fridge door won't close properly. It closes but then pops open an
inch. If you give it a hard nudge sometimes it stays closed, but even
then the top corner has a gap. Any ideas? I can't replace the fridge,
it belongs to my landlord.

Model # HC-P4252W, Chassis # P59A, customer was into the service menu.
He said he psessed a button, while in the service menu, then a single
crosshatch came up with factory
data, then it wouldn't work right after. Now, after repairing the unit

Global Warming is caused by the Sun, the Moon and the Stars.
The lunar or long calendar accurately predicts 2012 to be the date the
gravity of the planet Venus negatively affects the Moon's lunar
trajectory

As the title - Can anybody recommend a UK company that can change some
.05" & 0.25" components for me?
Low volume (batch of say 10 PCBs couple of times a year, couple of devices
per board). Near Gatwick airport would be nice but not essential.

I am looking for schematics for a Tektronix 11A34 4-channel amplifier
plug-in.
Inside the 11A34 are four smaller, self-contained amplifier modules, Tek
part 119-2000-03... these are what I am really interested in.

hi  friend
We are wholesaler of Nike Jordan and Other Shoes in China. We are big
Shoes Manufacturer in China. We supply many kinds of Shoes, such as
Nike Shoes, Jordan 1-22, Air Jordan, AF1, DUNK, Air max series etc.

It is a hall effect magnetic proximity sensor.
Here is the data sheet:
http://www.datasheetarchive.com/preview/3528026.html
I tried putting an ohm meter on it, but a moving a magnet around it

I have the basic "instruction manual" and a schematic with RF
adjustments diagram......No service manual.
Problem - Unable to effect a reset of any kind.  Radio "stuck" in
current configuration, and operational otherwise.  Does not appear to be

Hello to all and thanks for looking.
I've been working on a used (but new to me) pioneer sx-727 receiver. When it
got to my house, the left channel was out, but a couple of shots of solder
to the numerous wirewrap connections fixed that...

our 29 year old GE JET110 microwave oven finally had a problem.
fuse blown.  checked all transformer windings, cap, diode,
magnetron filament.  found triac separated from heat sink.
triac tested good electrically, so mechanically re-attached