Sharp VT-G14, Service Manual

Page: 37 / 121

37
VT-G14
VT-G21
Figure 1-29.
(a) (b)
Figure 1-28.
Figure 1-26.
• Adjustment
Adjust the height screw
visually so that the control head
is visible 0.3mm below the bottom of the tape.
Figure 1-27.
✽
Check for crease from the A direction.
Figure 1-30.
3. Set the tape, and check for tape crease near the
reverse guide in the playback mode.
If crease is found, turn the reverse guide adjustment
nut to remove crease. (As for crease check refer to
Figure 1-30.)
A/C HEAD HEIGHT ROUGH ADJUSTMENT
• Setting
1. Set the cassette tape in the unit.
2. Press the PLAY button to put the unit in the playback
mode.
3. Roughly adjust the height of the A/C head by turning
the height screw until the tape is in the position shown
below.
HEIGHT ADJUSTMENT OF REVERSE GUIDE
1. Adjust the height from the mechanism chassis to the
reverse guide lower flange to 13.38 mm, using the
reverse guide height adjustment jig, in tape loading
state. (Refer to Figure 1-28 (a) (b).)
2. Rotate counterclockwise the reverse guide height
adjustment nut 1/10 turn. (For height adjustment use
the reverse guide height adjustment box driver
(JiGDRiVER 11055)).
500g
Azimuth screw
Tilt screw
Height screw
Cassette tape
Weight to prevent
float (500g)
Mechanism chassis
A/C head
Tape
0.3mm
Reverse guide
Reverse guide height
adjusting jig
Reverse guide height
adjusting jig
Mechanism
chassis
13.38mm
Height adjusting nut
Box driver
CCW
500g
A
Capstan
motor shaft
An example of
crease near the
reverse guide
Weight to
prevent float (500g)
Mechanism
chassis
Reverse guide
Fixing guide