Electronics Forum / Repair / October 2006

I picked up a 15" Proview pro588 LCD PC monitor cheap; has flaws of
course. It has a few horizontal and vertical lines running straight
across the screen (entire row of pixels are non-functional) but other
than that, it displays input from a computer fine.

Ok.....found a flat panel monitor at a Salvation Army thrift store
today. At 35$ it seemed it would make a nice little display for a
second machine. Now I know the policy of "as is" from this place and
you should power up and test before hauling anything of this nature out

vestel 11ak30 tv.
here's the story so far...set had a shorted HOT (would not come out of
standby, if keys pressed set just chirped and red led stayed on). Set
powered up fine without HOT in place. Connecting bulb across c-e showed

I bought a used AM/FM/Cassette deck for my car.  Unfortunately, th
heads, capstans, and pinch rollers were filthy.  A cleaning tape barel
made a dent in the grime, so I cleaned everything gently with Q-tips an
rubbing alcohol.  But there is still visible corrosion on the tape head

Ebay items...
Motorola communications system Analyzer operator manual
R-2001D manual Item number: 290035587177
Lorch electronics coaxial crystal mixer Item number: 290035254067

I have a model M 8014 hammond organ. It has very little
volume,especiallyon the top keyboard.
the volume control has no effect. only the 2 drawbars on the left side
have  give any effect (only on the lower console) the others show a

I've done a fair bit of research in the UK and come up with nothing, so
cast myself humbly on the mercy of this group. ;-)
I've got an old car which has heated door mirrors. Both the elements are
burnt out, and spares are no longer available. The mirrors themselves (the

Okay, I am in the process of repairing my JVC AV-56WP84 Rear Projection
Television.  I found component Q522 shorted which is JVC part number
2SC5904-RL.  JVC wants $45.57 for a new one.  It has been quite some
time since I repaired a television and I design electronic circuits for

I have a Tantalum capacitor that needs to be replaced - 560pf/2Kv. I
have found a ceramic cap with the same values. Can I replace with the
ceramic, and what are the differences other than material of
construction? Thanks for your input.

HELP!  I'm not a big electronics mechanic, so I need some help here...
My JVC 32" TV is only showing a thin, horizontal "picture" line instea
of its full picture.  Everything else works fine.  If I "tap" it in an
way, the picture will try to come up, but doesn't stay.  Seems lik

A friend has a Solomon SL-20 Electronic Soldering Station.  It has an SL-1
iron with a broken tip.  He obtained it from a local company that went out
of business.
Searching the web, it appears that Solomon is popular everywhere else in

I would appreciate help with this Calculating Weighing Scale. The machine
works perfectly well, but the centre segment of the seven segment display is
very poor contrast and easily mistaken for a zero when it should read eight.
See photo   http://i10.tinypic.com/4ieqkjs.jpg

Neighbor contacted me about problem she was having with COX cable
signal.  So am I.  Contacted others in subdivision.  So are they.  Did
not go beyond the subdivision.
Mostly at night, signal suddenly drops, only to immediately reappear.

I am looking for some type of liquid that once deposited on a small
area will do two things:  make very solid contact with the surface and,
after it dries completely, would become conductive, i.e. would show a
very low resistance between any two points on the poured liquid. In

Problem:intermittent audio as sometimes the audio comes in once it
warms up while others it disappears after warmed up,this chassis:does
not use SBX1637-01 sound module.
I resoldered tons of areas,does anyone have any common repair