Electronics Forum / Repair / August 2008

In the TV and Monitor Deflection Systems part of this group's FAQ there is a
suggestion to read an article by David Sharples from the June 1996 edition
of the magazine Electronics World. Would anybody here have a copy of this
they could scan?

I nicked the schemas for my old  Heath 2718 Tri-power bench
supply and one for my old defunct Goldstar OS720A O-scope
and even one for my (not broke yet) Leader O-scope at this
ftp site;

Hello Everybody!!!
Well I really need your help now. I just got an old NEC CD-510BU CD
Player, but somebody removed its laser pickup, and I have no idea
which pickup it uses. I have tried contacting NEC but they did not

I have a canon powershot SD 1000.  I want to know whether it can be
used as a webcam.
Thnx

Just bought a late 1990's Altec Lansing ACS340 computer speaker system
(2 satellites and 1 subwoofer) and need to find a workable AC/DC adapter
solution for it. It requires a 13v 4a adapter which is common, but uses
an uncommon round multi pin connector. Anyone have a schematic ...

Any good tips for testing LCD inverters and the CCFL tubes
they hook to?
I am working on more of these and think i need to rig up an external
inverter to test the tubes in a LCD unit in some manner.

So, you scroll through the CC options until you get to CC Off, as you
have been doing with the button on your remote. Instead of just
letting it disappear on its own, you have to hit the "Status/Exit"
button when you arrive at the CC Off option, to confirm that you want

My Fluke 123 Scopemeter has developed both horizontal and vertical
lines in the display to the point that I can no longer read it.  When
I called Fluke, they made it sound like a common problem, but their
base bench fee is $552.00 for repair.  Any ideas?

hi,  is there anthing else i can use in place for a 1uf monolithic capacitor
? i`m building a diagnostic  adapter for a cars ecu , and the place where
i`m getting the parts dont seem to sell monolithic caps.
thanks,

I am working on this LCD computer monitor. It trys to power up,
flickers and then the backlite goes out. The display seems to
still be there so its a back lite issue.
Took the inverter out. ESR'ed the 100/25 caps. They seem to be OK.

I am trying to track down some inverter driver chips.
Not sure if there fets or transistors.
They are in 8 pin flat packs SM
4410   bf l28ca

Hello, all.  I would like to replace the probe cable on a portable Geiger
(GM) counter with a shielded, coiled coaxial cable with male BNC
connectors on both ends.  Currently I'm using a straight length of RG-58
but the GM counter originally was supplied with a coiled cable (the ...

Does anyone know where to get a water flow meter that will close or open a
switch when water is flowing? I have an AC unit that uses water to cool
itself and it produces 110 deg water if you reduce the flow enough. I'm
trying to build a setup that will switch between the on ...

The small ones found on audio mixers , especially for the small slplined
shaft ones of about 4.6mm. A nice random selection would be nice , to match
up for missing ones.
Just a brand name or generic term for them would help googling.