Sony TC-K611S - Chapter 5 Additional Information; Cleaning the Cabinet; Cleaning the Heads and Tape Path; Demagnetizing the Heads

Chapter 5 Additional Information
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Clean all surfaces over which the tape travels after every ten
hours of operation to guard against:
— low-quality sound
— a decrease in sound level
— excessive wow, flutter or drop-out
— incomplete erasure
— impairment of recording function
To obtain high-quality recorded sound, cleaning before every
recording is recommended.
1 Keeping the power on, turn the volume control on the
amplifier to minimum.
2 Press & to open the cassette holder.
3 Wipe the heads, the pinch rollers and the capstans
with a cotton swab slightly moistened with alcohol or
commercially available cleaning fluid for tape decks.
Cleaning the Heads and Tape Path
Capstan
Recording
head
Playback head
Pinch roller
Erasing head
Do not insert a cassette until the cleaned areas are
completely dry.
Demagnetizing the Heads
After 20 to 30 hours of use, or when you notice hiss and/or
loss of high frequencies, the residual magnetism built up on
the heads should be removed.
1 Keeping the power on, turn the volume control on the
amplifier to minimum.
Press & to open the cassette holder.
Demagnetize the heads with any commercially
available demagnetizer.
Refer to the instruction manual of the demagnetizer for
detailed instructions.
Cleaning the Cabinet
Clean the cabinet, panel and controls with a soft cloth slightly
moistened with a mild detergent solution.
Do not use any type of abrasive pad, scouring powder or
solvents such as alcohol or benzine.
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