Electronics Forum / Repair / April 2006

I have an old 0-100V (0.2A) HP power supply (HP 6116A), which is
broken.  The output is always 0.6V (when on).  Nothing is obviously
burned or exploded inside.
The problem started when one of the people in my lab connected a

I got a used 3M MP8030 projector that uses a 260 Watt Metal Halide bulb was
running when I picked it up but today I get a message that the lamp is bad
All I did between yesterday and today was clean teh filter and didn't jar
the unit at all

I have a Samsung SyncMaster 957p that would need some focus adjustment,
but I can't seem to open the case.
There are two screws near the bottom. Opening them makes the bottom end
loose, but the top seems to be as fixed as ever. I'm afraid I'm going to

I spent a couple of hours last night making a little probe compensation loop
for my R7844 out of a couple bnc connectors and a cannibalized comp loop
from the front of a TEK 7904 I parted out. It didn't work as well as just
sticking the probe into the BNC connector out from the ...

Set refuses power on, both on remote as panel button, standby light is
on.
As this set is already 4 years old, is it worth fixing?
The panel was ok until failure.

Hello all Fine Techs:
Sanyo, 19"
Model: 91C530
Chassis:  A2V-53000

Thanks to all who answered previous posts re the ctc169. I have the
opportunity to buy a mint condition Modern Danish, (pedestal), model
predicta from the gentleman who owns the RCA tv with that chassis mentioned
above, so succesfully repairing his newer tv is key to getting the ...

Hey all... I've got an old (1996?) JVC AV-27BP6 27" television with
problem.
After it warms up for a minute or two, some horizontal black line
start to appear on the bottom of the screen. They flicker and scroll

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Or admiration of the art of louspeaker making.
46V DC on 8 ohm 10 inch speaker, didn't last long, going o/c.
Decided to try rewinding as I've never tried it before. Found a clean way to
remove the cone from the frame. Desoldered the braid connections. Heating

GE 27'' TV CTC 185 Replaced Flyback, HOT, Regulator transistor, and
creamic reistor in powersupply.  I usually have to hit the power button
twice for it to power on.  Remote and the button on the set have the
same issue.  TV works great once it's powered on.  Good picture, no

Hello Everyone;
Once again I am still having trouble with a Zenith Model: A32B41
(9-2003) TV set...a wire-wound sand block? power resistor (5W, 0.68oh
RX3401) keeps burning up immediatly when the unit is plugged in. I go

Just when you think you've heard everything - I've been looking for some
real basic connector pinout info for a Delco AM/FM receiver that was in
a John Deere bulldozer........posted a rq on here with no
help...searched way too long via Google and tried to determine some

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Traces and readout intensity are sometime very brighter than usual.
When this occurs two out of four neon bulbs located in HV "module"
flashes. These two bulbs are connected at pins 2 & 3 of CRT. I'm also
looking for the tech manual.