Sony HDW-750 Maintenance Manual page 299

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Check that top of the cleaning arm (B) is posi-
tioned on top of the cam cleaning roller (white
part).
Operation Check
Rotate the manual eject gear (A) (red gear)
clockwise and counter-clockwise several turns
and check that the AHC roller assembly comes
into contact with drum and is then detached.
Check that its height also changes at the same
time.
9. Connecting the connector to brush
assembly
Connect the connector that is removed in step 2 to
the connector on the brush assembly board.
10. Cleaning the cleaning assembly and
tape running surface
Clean the following places using a cleaning cloth
moistened with cleaning fluid.
. Video head (Refer to Section 2-1-2.)
. Tape running surface of upper drum
(Refer to Section 2-1-2.)
. Rabbet guide and tape running surface of lower
drum
(Refer to Section 2-1-3.)
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After cleaning, be sure to wipe the cleaning fluid
off the cleaned portions using a dry cleaning
cloth.
HDW-750/750CE V1
Cleaning assembly
Cam cleaning roller
(white part)
Top
7-3. Drum Assembly Replacement
Cleaning arm (B)
7-29