Electronics Forum / Repair / October 2006

My parents gave me their old Bose Wave CD\Radio which, after traveling
250 miles when they moved house, stopped producing sound. I've had a
look at it, and it powers on OK, all the functions work, but no sound
comes from CDs, radio or AUX input. I've checked that the system isn't

I'm trying to repair a burned-out accu-charger.
I've made a new printcircuit. Some of the components
were totally burned out. Values not readable. So I just try
some.

I havd an air compressor that has the Subject line type of motor,
115vac. It only has about 200 hours on it. I had left it on for a
couple of days recently and found that my circuit breaker in my garage
was tripped. I restet it and the compressor started(surprised me

I'm after two of the 4 button switches that are used in the Iwatsu SS-5711
oscilloscope.
Thanks,
Nigel.

I just repaired a 20-year old electronic Casablanca ceiling fan (cold solder
on the control board in the fan causing intermittent to the light) and
wondered if someone could provide some insight into how it worked.
The fan runs on standard 120VAC (US), but only used two wires: a ...

I ran into one of these stupid Zeniths. plauged with CRT problems, but this
one surprisingly had a pretty good picture.
Well the initial problem was after warm up, the vertical would collapse to a
5 inch band across the screen. most likley a vertical cap, but more likely

Does anyone have any advice on a Panasonic CD player that no longer
will read a disk?  It acts like it is trying to read, but won't
acknowledge even the presence of a disk.  Panasonic has a limited
number of service agents, and none in the area.  I hate to have it sent

Vizio model L30WGU made in 2005 .
It works just fine accept 20 or so very fine , as thin as a pencil line
.red lines going up & down the entire screen evenly spaced . If i
choose normal picture mode with black bars on both sides the lines do

I haven't been able to find datasheets for the 2sk19bl jfet and 1ss97
diode. I have to replace these two components. Anyone have datasheets
or can suggest substitutes?
Thanks

has anyone here ever experienced this problem?
have intermittent problem on only one TV channel, sometimes
reception is perfect, then reception will instantly degrade
to poor quality picture/snow/poor color, is VHF channel 6.

When the vga cable is disconnected from pc you can see there is high
voltage  and brightness on screen, but once i connect the vga cable i
hear the click and there is no hv or brightness and the front led
blinks like in stand by.

I am just starting to play with a rework station that has both an iron and a
hot air handle.  I am starting with basic 60/40 solder and need a starting
point for the temperatures to set.  Should I use the same temps for the iron
as the air?  Where should I start for mounting, ...

Have a broken heater:
http://www.laskoproducts.com/heaters/model_5365.html
The symtom is when turned on, the LCD displays some random junk for a second
and then go dim. Pressing any button also triggers displaying some random

I always wanted the following questions answered but never thought of
asking them:
1)Is Sharp Malaysian or Japanese? as most otheir products always said
"made in Malaysia"

I got a Marantz SR 440 in for repair with no display. The 12 volt 3
terminal regulator was out, and i replaced it and the 12 volt rail
came back to life. AFter the replacement, the front panel display came
back to life, But, the unit randomly locks up where you cannot change