Electronics Forum / Repair / August 2004

I am working on a Zenith TV Model SD2501W3, which was made back in
1987.
It was hit by lightning and the following part is shorted.
It is a Motorola zener diode Part no. MK279-22711.

Hi!  I have some surface-mount capacitors I need to replace.  I don't
really understand the codes on them.  Could someone help decipher the
values?  Thank you in advance.
One of them has this printed:

Need part # for IC1401 in video input ckt.
As always, thanks for your help!
Tom W

If I buy a PAL VCR in the UK and I get a 115 to 230
transformer will I be ok. I am a US resident. The
question does the 50 - 60 cps matter.
Thanks

I am pulling my hair out with this Pioneer Elite Pro-200 RPTV and I'd
appreciate any advice.  I replaced the power supply / deflection board
with a new one from Pioneer, and at the same time, I zeroed out all
the convergence settings, the rgb cut and drive, and the brightness,

Would love to hear from anybody who's had experience repairing Fisher
DAC1506 cd changer. I have 2 in for repair with the same problem- they inter
try to unload a disc from the cd mech into a slot that already has a disc in
it. Thanks for any help.

I'm looging for an older version of Acrobat Reader for a 16 MB, 586 system
which uses Windows 95.  User is essentially a layman and all valid help
would be appreciated.  Please respond to freewhiteandover18@juno.com
Thanks any have a good day.

I have a 17" monitor with no manufacturer on it just the model dx-1769, did a little research assume its a korean brand called jinsun.  anyways just need some advice or if someone has come across the same problem i am having an a way to fix it.  The picture on the monitor is ...

Loewe classic 70 TV startsup go in full bright and then switches of to standby.
When i disconnect the RGB signal from picture tube and switch TV on  then sound OK and stays on
Rik

My Sony VHS vcr picture is distorted.  All vertical lines are wavy an
there is a shrill squawking sound as the tape plays.  All my tapes are
suddenly making this sound so I know it's the machine.
Another older Sony I had made a similar noise and a bit of oil on the two

I've had this thing for ages but have used it only rarely because the
display is so dim.
As I recall, I went through the circuitry a long while ago and found no
abnormal readings; leading me to suspect the CRT was the culprit.

I have some DuoFone TAD-311 answering machines
that I would like to modify to allow more rings
before answering.  These are older machines and
we have already taken apart to replace the belts.

I have an older Sony VCR (1990 vintage?), model SLV-575
that works otherwise great.  Lately, on the display screen,
other information gets displayed, which is weaker than the
regular numbers - i.e when SP is selected, it also shows a

All I've been able to get from Google is a couple of replacement
recommendations or a bunch of sites selling replacements but I need to know
the specs (V & A) for the original part.  Anybody got this info?
Thanks

I have found one of these projection sets, I liked it because of the bose
hi-fi,
and dolby sorround.
The set had a very dim picture, it was out of focus, and there was