Service manual

31
13VT-N100
13VT-N150
13VT-CN10
500g
Figure 1-27.
Height screw
Azimuth screw
Tilt screw
Cassette tape
Weight to prevent
float (500g)
Mechanism chassis
Tape
0.3mm
A/C head
• Adjustment
Adjust the height screw visually so that the control head
is visible 0.3mm below the bottom of the tape.
HEIGHT ADJUSTMENT OF REVERSE GUIDE
1. Adjust the height from the mechanism chassis to the
reverse guide lower flange to 13.38mm, using the
reverse guide height adjustment jig, in tape loading
state. (Refer to Figure 1-28 (a) (b).)
Figure 1-29.
(a)
(b)
Figure 1-28.
2. Rotate counterclockwise the reverse guide height
adjustment nut 1/10 turn. (For height adjustment use
the reverse guide height adjustment box driver
(JiGDRiVER11055)).
13.38mm
Box driver
Height adjusting nut
CCW
Reverse guide height
adjusting jig
Reverse guide height
adjusting jig
Reverse guide
Mechanism
chassis
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.
Figure 1-26.
500g
Capstan
motor shaft
Mechanism
chassis
Reverse guide
An example of
crease near the
reverse guide
Weight to
prevent float (500g)
Fixing
guide
* Check for crease from the A direction.
A
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.)