Sony DVW-522 Maintenance Manual page 60

Digital videocassette player, control panel extension kit, control panel case
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2-9. Cleaning When the Heads are Clogged
Procedures
1. Turn the power off.
2. Remove the upper lid.
(Refer to Section 2-2-1.)
3. Remove the plate MD.
(Refer to Section 2-2-2.)
4. Remove the cassette compartment.
(Refer to Section 2-3.)
5. Loosen the two screws and remove the upper drum
cover.
n
These screws cannot be removed because of stoppers.
Screws (PS2x8)
(with stoppers)
Removal/Installation of Upper Drum Cover
2-20
6. Hold the cleaning cloth moistened with cleaning fluid
7. Rotate the inner drum slowly counterclockwise two or
c
Upper drum
cover
8. After cleaning, wipe it with a dry cleaning cloth two or
9. Tighten the two screws while pressing the upper drum
keeping it from becoming wrinkled. And press the
cleaning cloth slightly against the rotary heads.
three turns and clean the rotary heads with the cleaning
cloth held.
Be sure to rotate the inner drum counterclockwise and
clean the rotary heads along the circumference. Do not
rotate the inner drum in the direction opposite to the
specified direction (clockwise) or clean it in the
vertical direction. This may damage the rotary heads
and the brush/slip ring assembly.
Rotary head
Cleaning cloth
Cleaning by Cleaning Cloth
three times.
cover towards the drum support direction.
Tightening torque: 14.7
10
X
-2
N•m (1.5 Kgf•cm)

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