Cleaning Of Video Heads And Tape Running Surface Of Upper Drum - Sony BVW-55 Maintenance Manual

4-2-3. Cleaning of Video Heads and Tape Running Surface of Upper Drum

w
Never contact the rotaing drum. Be sure to turn off the power and wait until the drum comes to a com-
plete stop before cleaning.
Caution
The video heads are the part that can be damaged easily. Be careful not to damage the video heads during
cleaning.
Tools
. Cleaning cloth: 3-184-527-01
. Cleaning fluid: 9-919-573-01
n
Never use a cotton swab to clean the video heads.
Procedures
1. Hold the cleaning cloth moistened with a cleaning fluid keeping it without becoming wrinkled.
And then slightly press the cleaning cloth against the video heads.
2. Slowly rotate the upper drum counterclockwise two or three turns and clean the tape running surface
and video heads with the cleaning cloth moistened with cleaning fluid.
n
Be sure to rotate the upper drum counterclockwise and clean the video heads along the circumfer-
ence. Do not rotate the upper drum in the opposite direction (clockwise) or clean it in the vertical
direction. This will damage the brush and slip ring or the video heads.
3. After cleaning, wipe them with a dry cleaning cloth two or three times.
BVW-55
Cleaning cloth
Cleaning of Video Heads and Tape Running Surface of Upper Drum
Tape running surface of upper drum
Video heads
4-2. Cleaning
4-5