Electronics Forum / Repair / January 2008

I have a (defunct) Akai Vs-75EK but have sevetral tapes recorded on it
that do not play well (stereo sound wise) on more modern machines so
I'm looking for a working replacement;  I'm assuming no one out there
has one but I have been told later Matsui models were based on it (ie

I'm trying to find ON Semiconductors MJW 21193 and 21194 in the UK without
much success.  Anyone able to point me in the right direction?
Cheers,
Gareth.

I have westinghouse 19w6 tv
recently I've noticed that when i set timer and it starts to count
down last 60 seconds before it turns off, I see number of seconds left
and some chinese characters next to it (what's very annoying; it

Need a service manual for this one. The pix is fine, & sound too, but
the vertical, & horizontal aren't big enough! Like the yoke is pulled
back, or the ferrite core for the IHVT is broken! B + is 130 VDC, 5
VD, 26 VDC, 32 VDC all ok. I'm Toshiba service center, but all they

I am trying to help out my in laws, they purchased a Westinghouse Digital
W32701 LCD TV sometime in 2005.
The set failed shortly before Christmas this past year - and they were
advised that it was not worth repairing by Best Buy in December of 2007 -

INTEGRITY CAN MAKE YOU EASY MONEY!! IT WILL!!! BUT YOU
HAVE TO FOLLOW IT TO A LETTER FOR IT TO WORK!!!!
A little while back, I was browsing through newsgroups, just like you
are now, and

I was told that these plasma TV sets are extreme power hogs, using as
much power as refrigerators or air conditioners.  Is this true?
I also heard that LCD tv's tend to lose their sharpness or fade after
a few years.  Is any of this true?

I'm getting ready to overhaul a radio that dates from roughly 1954 and am
wondering which kinds of capacitors need replacing.
I know the electrolytics and wax-paper capacitors (with wax outer surfaces)
need replacing, and the mica and ceramic ones don't.  (One of the

I have a few blue LEDs I want to use on a project. The LEDs operate at 5
volts nd my project also operates a 5 volts. Do I need a current limiting
resistor in series with the LED.
Jimmie

My Yamaha RX496 Tuner-Amplifier has a problem in its Power Supply
Ckts.
It appeared that the internal thermal fuse in the primary transformer
is blown.

If the scope has been off for a while and I power on I get an error
message screen:
Power up Failures
CMOS: Reformatted

OK, went out for some brews last night. Person asks me about a Combo DVD/VCR
player she bought for her grandchild - not sure when - but from her manner
of speaking - not long ago.
According to her - the VCR works fine - DVD either gives a huge

I just got a Carver TX-2. It works great but when I use the auto-tune
it will only lock onto an even number freq. I think its set to the the
european freq standard. Does anyone know if it can be changed? I
thought there might be just a switch but I cant locate it. Thanks, Joe

If I bought an LCD TV, would there be a way to capture the output from it to
a PC hard disk, sort of like Tivo?
I don't want to pay the monthly fee for Tivo.  Thanks for any help.

M # D56W20 BYX1 Ch # ITC 222 looking for a sub for 2SC 5588 H.O.T
(driver). Dani.