Do telex ACC 2000 cassette duplicatr heads have t be demagnetized
There is nothing in the manual that came with the machine about demagnetization. I've been using the machine for a while and it does seem to be producing pretty good quality copies yet. But it seems as though the heads will need demagnetization som etime, but I don't want to damage it.
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When was the last time you ran the "head cleaning" tape in the machine? As tape collects dust and dirt - it gets deposited on the recording and playback heads. This ruins playback and recording quality. Also, since tape is magnetic - they tend to magnetize the heads, too (just like reel to reel, 8 track & cassette player / recorders). Demagnetizing them will help too. Here are links to both products:
Good news and bad news: A simple head cleaning and demagnetization will solve this problem normally. The bad news is that unless you have a wet head cleaning cassette (a new blank VHS will usually do the same thing as a head demagnetizer so you don't need one of those) from over a decade ago, you're going to have a tough time trying to find one. Radio Shack possibly?
Beyond that, though, the best way to clean a VCR's heads, capstans and rollers is to physically open them and use rubbing alcohol and a cotton ball. Obviously the 's kind of impossible to do for the consumer with a TV/VCR combo.
Bad recording VHS or old VHS tapes,will sometimes causes this problems,because of degrading magnatic tapes.Sorry this problems,u did the fixed adjusting manual tracking,that it not fixing the problems,sorry that all u will getting that kind of quality of picture.
First - Turn On The Tape Demagnatiser (should be a switch on it)
Second - Insert into cassette player
Third - Turn On cassette player
Fourth - TURN DOWN VOLUME ON AMPLIFIER TO MINIMUM (This is essential!)
Fifth - Press Play on cassette player
Sixth - After 10 seconds press stop on the cassette player
Seventh - Remove the cassette demagnetizer from the cassette player
Eighth - Turn off the demagnetizer and put back in it's usual storage place
AGAIN, MAKE SURE THE VOLUME IS TURN TO MINIUM WHEN USING THIS AS THE NOISES CAN DAMAGE SPEAKERS.
WHAT HAPPENS TO CASSETTES THAT WON'T PLAY
By Margie Crawford
Cassettes can be damaged in a
number of ways. Besides just wearing
out, they can be broken, twisted,
stretched, stuck, demagnetized or
missing the pressure pad. Most of these
problems can be repaired except for
demagnetization which causes the
audio to fade in and out.
Cassettes can be demagnetized at the
self-check out terminals so do not
place them on the machine while
checking out other items. At home
do not place them on speakers or near
magnets. If the audio sounds backwards
or like a foreign language, it is twisted
and can be repaired.