Cleaning Of Tape Running Surface Of Lower Drum And Lead Surface - Sony DIGITAL BETACAM DVW-707 Maintenance Manual

7-1. Cleaning

7-1-3. Cleaning of Tape Running Surface of Lower Drum and Lead Surface

n
Take care not to damage the lower drum (specially lead surface) during cleaning. Take care to clean the edge
portion above the lower drum because it is near the video heads.
Tools
. Cleaning cloth : 3-184-527-01
. Cleaning fluid : 9-919-573-01
. Skewer or an equivalent (A metallic skewer can not use.)
Procedures
1. Put a skewer (or an equivalent) along the drum lead surface and remove magnetic powder as shown in
the figure.
m
. Do not use a metallic skewer instead of a skewer. This may damage the tape running surface.
. If the magnetic powder attached to the drum lead surface, tracking may badly influence.
Remove the magnetic powder completely.
2. Clean the tape running surface of the lower drum and lead surface (shaded portion) using a cleaning
cloth moistened with cleaning fluid as shown in the figure.
3. After cleaning, be sure to wipe the tape running surface of the lower drum and lead surface using a dry
cleaning cloth.
Skewer
Lead surface
7-4
Cleaning cloth
Edge portion Lead surface
Tape runnging surface of
the lower frum
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1