Cleaning Of Tape Running Surface Of Upper Drum And Video Heads - Sony DIGITAL BETACAM DVW-707 Maintenance Manual

7-1-2. Cleaning of Tape Running Surface of Upper Drum and Video Heads

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The upper drum and video heads are the parts that can damage
easily. Take care not to damage the upper drum and rotary heads during cleaning.
Tools
. Cleaning cloth : 3-184-527-01
. Cleaning fluid : 9-919-573-01
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Never use a cotton swab.
Procedures
1. Press a cleaning cloth moistened with cleaning fluid slightly against the video heads, and rotate the
upper drum slowly counterclockwise.
2. Press a cleaning cloth moistened with cleaning fluid slightly against the tape running surface of the
upper drum (shaded portion) as shown in the figure.
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Be sure to rotate the upper drum counterclockwise. Be sure to clean the rotary heads along the circum-
ference. (Do not clean the video heads in the vertical direction. This may damage them.)
3. After cleaning, wipe the rotary heads using a dry cleaning cloth.
Cleaning cloth
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1
Tape running surface of the upper drum
Video heads
7-1. Cleaning
7-3