7-10
DVW-250/250P
Checks
1. Playback the alignment tape.
Play back the alignment tape ZR2-1/1P in any portion.
2. CTL head height check
(1) When pressing down the portion A of the tape shown
in the figure, check that the level decreases.
If the level increases, perform step 3).
(2) When pushing up the portion B, check that the level
decreases.
If the level increases, perform step 4).
Adjustments
3. If the level increases when pressing down the
tape
(1) Turn the height adjusting nut counterclockwise until
the output waveform is beyond the maximum.
(2) Turn the height adjusting nut clockwise, and adjust so
that the output waveform is the maximum.
4. If the level increases when pushing up the
tape
Turn the height adjusting nut clockwise, and adjust so that
the output waveform is the maximum.
A
Tape cleaner
CTL head
FE head
B
Level decreases
Spec : The level decreases when pressing down
and pushing up the alignment tape.
Hight adjustment screw
CTL head
A
B
7-2-2. CTL Head Height Adjustment
