Electronics Forum / Repair / March 2005

So I replaced an arcing flyback on a P1250+ and now no arcing, however I can
adjust the focus so either the center of the screen or the outer edges is
nice and sharp but the other is always blurry. Obviously a problem with the
dynamic focus, but I've never dealt with a problem like ...

Anyone know the secret to this one? Set all fixed, but grey scale needs
set on this 1 yr old 27"/DVD/VCR. It will take a month to special order
the service manual for this model. I hate to take a month just for a
simple adjustment. Shop is full of HDTV, etc. All take a month to get

Greetings all,
We need a wireless dog fence, such as the PIF-300 shown at:
http://www.petsafestore.com/inwirfen.html
It forms a 90 foot diameter zone and runs at 17 khz. The transmitter

I have a Sony CCD-FX620 camcorder that seems to work perfectly save one
problem... it likes generic "OH NO EJECT THE TAPE" errors. In VTR mode, it
usually works fine, except occasionally (especially when rewinding or fast-
forwarding) it stops and flashes the eject icon at me ...

I have a weird problem: my Samsung SyncMaster (DVI connection) has the
following behaviour:
- when connected to the computer, green light is blinking, screen
remains black (computer switched on or off)

I'm in the final phase of retrofitting an old ATX power supply
(powertech "200 watt max" model kw-6200dl3n1) into an emachines that
originally used a "micro ATX" power supply (illsan model isp 120si, "120
watt max"). all the sheet metal work and physical fitment is already

Is there a repair tool that you can put a IC chip into or use a clip with
jumper to connect to the device that will tell you what the chip is and if
the chip is working or not.  I have one of those old HP comparators but that
has a lot of limits.  I would like something a little ...

This is the same machine that had been running fine after replacing the
belts & mode switch.  Now it started recording poorly - what I get is a
duplicate offset image.  Kind of looks like vertical foldover, except it's
actually offset, not upside down.

32" Apex stereo tv model:AT3208S,chassis:CH-10C,year:Oct 2003,UL
Listed:58EJ.No power,upon troubleshooting I found VD873=BYM26D (B+
rectifier diode) in SPMS power supply board to be shorted,I checked
the HOT,all diodes and resistors where they seem fine.I also rang the

I don;t really expect to get any help on this but figured what the
heck
BK E-200D RF signal generator - powers up, crystal calibrator seems to
work but meter doesn't budge and no RF out. help.

Horizontal output transistor in Zenith 19" portable.
Just has Zenith number printed on it (I hate when they
do that) 1141-01.  So what is it really?
BU508DF?

For years the pinball companies used a small .047 uf capacitor across
some switch terminals for switches that could be closed and reopened
very quickly like a target getting slammed particularly hard.  The
capacitor would increase the 'closure time' that the CPU would read the

http://www.want-to-be-sure.blogspot.com << Click On Link

my panasonic tx-21gv1 is in standby mode the standby led/light flashes
green no picture no sound any one had this problem?
thanks

Who sells knurled nut tools?  Can't find them anymore.
thanks