Electronics Forum / Repair / September 2007

Can anyone point me towards some websites which can be of
help when dealing with lcd monitor repair.
Schematics, panel reference lists, repair tips, troubleshooting...
Any help would be welcome as google wasn't so helpful.

I have a Teac AC-V3020 amp that a friend asked me to look at.  I used
to be pretty active on this forum but haven't done electronics work in
a while.  I'm hoping the great people here can advise me on this one.
The most obvious problem is that the amp seems to have no sound

Those usually 3-legged black blocks containing 2 PTC disc thermistors.
One of a few tens of ohms (cold) feeding to the coil and one of a few
hundred ohms (cold) connected between live and neutral , what is the
function of the one across the mains ?

hi there again!
I am repairing an old monitor (I was not able to get the serial). But
its oldy im sure. During power on, i feel a static at the front of the
monitor. An indication of a high voltage but after a few minutes, 4

Any hope at finding these ?

Recently I asked about suggestions regarding a UPS.  I ended up
getting an 875 VA 525 Watt "Geek Squad" model from Best Buy - yeah,
yeah, everyone says Geek Squad stuff is overhyped junk, but at $69 on
sale, the price seemed right.

Hello all...
I have a Smile International CB0913DL, which is a very small color SVGA
computer monitor. The other day, it fell off the top of a mini-tower
computer case that was sitting on a concrete floor. I tried to catch it and

I have it working fine again (power-wise and booting up), but I can't
watch a movie (rated PG) since it says "This movie will not play due
to the parental settings of the player." I can't find the manual
online. Does anyone have any ideaof how to go in and change the

Sony KV-32FV27
OK, here's one creating a time warp around my workbench:
Good sound, no picture via any input. Good raster and good OSD,
full menu, no failure events appear in diagnostic menu. No strange

Just got a Kenwood KX-W8050 dual cassette deck off eBay that the
seller said had been tested and worked.  When it arrived (poorly
packed), Tape 1 didn't work at all--no motor sound, no play, record,
or anything else.  Tape 2 worked OK.  When the power plug is first

Case in point. Uniden Bearcat BC890XL's memory battery life just a
couple of weeks.
    I've run into situations like this with other equipment in the past,
and there was always a "fix" or mod.

Considering how far electronics has come in just the past 50 years, one
wonders what sort of repair questions technicians of the future will face.
Stuff that's as common as beer cans now may be extinct just a few decades
down the road.  Repair techniques we now take for granted may ...

since a few days I have a problem with my TV set.
With  DVD or VHS playback in dark scenes there are stationary zebra-
like patterns of dark and light grey in B&W along the vertical sides
of the screen. In colour only the dark stripes are visible. No such

please stop snoop in my email .ny3074@gmail.com

I have it working fine again, but I can't watch a movie (rated PG)
sins it says "This movie will not play due to the parental settings of
the player." I can't find the manual online. Does anyone have any idea
of how to go in and change the parental control? TIA for your help.