On 3/17/2011 2:23 AM, OnkyoMan wrote:
Hello... I am hoping fellow owners of the Sat 500 might point me in the
right direction. I have inherited a Grundig Satellit 500 in excellent
cosmetic condition. It has been used regularly up 2 weeks ago. I had
it my possession for a day, and it worked flawlessly.

However, it now has developed a problem. After a few seconds of normal
reception and audio, whatever station I am listening to disappears
completely - all I hear is white noise, as if there were no station on
that frequency whatsoever. All bands are like this... I cannot tune any
station on FM, MW, LW, or SW. It's as if there were no stations
whatsoever. All the other dials and buttons operate normally in this
condition... it's just that there are no stations.

If I then turn the unit off for a short while, 10 minutes or so, the
last tuned station returns for 2 or 3 seconds, then vanishes. If I
leave the receiver turned off for 6 or more hours, the station will come
back and play for 1 minute, but no more, and then all of the bands are
dead again.

Is this a problem anyone has heard of? It is very frustrating to deal
with as I was excited to finally have a Grundig receiver in my
possession. ]

If anyone has any tips or tricks, please let me know! They would be
most appreciated!

Thanks in advance,

OnkyoMan



It's likely that this is a thermal condition -- a component is
malfunctioning once it warms up.

If you're comfortable doing component-level repairs on what are
probably very small parts, you could operate the radio with its
circuitry exposed until the failure occurs, then carefully apply
freeze spray (available under various brand names from many
electronics suppliers) to components until you find the one that
restores functionality when sprayed. Then replace it. (If the
component is being stressed and overheated by a second defective
part, you'll have to find and replace the culprit too.)

It's also possible that this is a known failure mode for that model,
and someone here can tell you exactly what to do. Failing that,
search engines might reveal other owners who have had the same problem.

Of course, moving to a very cold place like Antarctica and using the
receiver outdoors might make repairs unnecessary.


With all good wishes,


Kevin, WB4AIO.
--
http://nationalvanguard.org/
http://kevinalfredstrom.com/