Radio Shack CTR-121
Problem for Radio Shack CTR-121

VOX casette recorder




By Odud - usenet poster

" "
I have a Radio Shack Vox casette recorder model# CTR 121
The audio has gotten weak and the tone control does NOT change the tone.
The audio has kind of a muffled sound.
Can anyone offer any ideas what it might be?
Thanks,

--
cm

Best Solution

posted on Aug 01, 2007
Very Helpful)

man1

Rank: Apprentice 
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The head was a little worn, but the main problem WAS the head. The head
had a film over it and after cleaning it works fine.
Thanks a bunch guys! I appreciate it.
cm
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Solution #2

posted on Aug 01, 2007
Not Rated)

Joey2

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My internet conection has been down a few days, but it's working again
now. I wanted to say thanks for the help, the head needed cleaning.
It works fine now.
Thanks a bunch guys,
cm
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Solution #3

posted on Aug 01, 2007
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Powe33

Rank: Apprentice 
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I forgot to mench.. check to see that the small pressure pad is present in
your tape cassette(s), it's located behind the tape (usually in the center
of the cassette). This pad keeps the tape pressed against the head when
recording and playing.

Cheers
WB
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Solution #4

posted on Aug 01, 2007
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paulrmc

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I assume you have cleaned the heads with a cotton bud q tip dipped in
pure alcohol, and demagnetized them if need be (careful if the erase
head is a permanent magnet!)

also check:
-batteries?
-new tape?
-realign head?

Ben
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Solution #5

posted on Aug 01, 2007
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Janice

Rank: Apprentice 
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I'm not familiar with the way the cover is secured to this model, but you
should try to get a good look at the tape head.
If it's got oxide residue from the tape on it, it needs cleaned (and also
the rest of the tape path parts.. capstan, guides, pinch roller and erase
head).
It can be cleaned with a soft swab and alcohol.

If the symptoms persist after cleaning, the head might be worn to a point
where it no longer produces good recordings, and good tapes will have poor
sound quality.
Another possibility for poor sound reproduction could be old or low quality
tape.

A close inspection of the head might reveal a wavy-looking head face. On
badly worn heads, it's fairly clear to see a distinct undercut in the face
of the head.
The only way to recover good sound quality from a unit with a worn head is
to replace and properly align the head.

If the head's not worn, it's possible that the head alignment has changed,
but that's unlikely unless the tape transport has been damaged or tampered
with.

Cheers
WB
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