Rev. 1.0, 02/00, page 307 of 1141
HSW
FG acceleration detection
Compensation for vertical vibrations
(Supplementary V-pulse)
DVCTL
↑
Interrupt
Reloading
Reverse
rotation
Frame feeds
Compensation for
horizontal vibrations
Compensation for
horizontal vibrations
Braking
process
Acceleration
process
Slow tracking
delay
C.Rotary
H.AmpSW
Accelerating the
capstan motor
Braking the
drum motor
Slow tracking
mono-multi
Braking the
capstan motor
Servo
Hi-Z
[Legend]
Hi-Z : High impedance state
In case of 4-head SP mode.
In case of 2-head application, H.AmpSW and
C.Rotary should be "Low".
FG stopping detection
Forward
rotation
Figure 15.2 Time Series Movements when a Slow Reproduction
Is Being Performed