Sony SRW-5000, Руководство по обслуживанию, Страница: 353 / 438

6-23
SRW-5000/5500
Check
3. Check the CTL Head Height
n
Never rotate the screw of portion C shown in the
figure, or that might cause malfunctioning of tape
running and head performance.
(1) Play back the HR2-1B (0:00 to 20:00) in the
PLAY mode.
(2) Press down the portion A of the tape shown
in figure, and then check to see that the level
decreases by pressing the tape.
If the level increases, perform step 4-
A
.
(3) Push up the portion B of the tape, and then
check to see that the level decreases by
pushing the tape.
If the level increases, perform step 4-
B
.
Adjustment
4. Adjust the CTL Head Height
A
When the Level Increases by Pressing
Down the Tape
Turn the adjustment nut counterclockwise (in the
arrow
A
direction) so that the output waveform
is maximum.
B
When the Level Increases by Pushing Up
the Tape
Turn the adjustment nut clockwise (in the arrow
B
direction) so that the output waveform is
maximum.
CTL Head Height Adjustment
CTL Head Height Check
Adjustment nut
CTL head
Maximize
A
B
. Alignment tape : HR2-1B (0:00 to 20:00)
<CTL output waveform>
CTL head
C
TG-2 (Entrance guide)
B
A
<CTL output waveform>
. Alignment tape : HR2-1B (0:00 to 20:00)
Spec. : The level decreases when pressing down and
when pushing up the alignment tape.