Advertisement
3-1-7. Rotary Encoder Adjustment
Adjustment :
L
Remove the rotary encoder.
2.
Turn the geat at the back of the chassis shown in Fig.
A in the direction indicated by the arrow until the
capstan axis housing touches the pinch roller as shown
in Fig. B.
3.
At that time, align the line in the rotary encoder's gear
with mark and tentatively fasten the rotary encoder
(see Fig. C).
S c r e w s ( B 2 x 4 )
Adjustment Location :
Mechanism assembly
Put the set into the TEST mode.
Alternately repeat the PLAY ( ) ) and STOP ( I )
modes and check that the pinch roller is pressed against
the capstan axis in the PLAY ( ) ) mode and that the
capstan axis housing touches the pinch roller as shown
in Fig. B in the STOP ( I ) mode.
Then, tighten the screws.
If Step 5 is not satisfied, repeat Steps 1 through 5.
< F i g . B >
4.
5.
< F i g . C >
Rotary encoder
I
| ^
Capstan axis housing
e
Back of Rotary Encoder
/
3 - l - 8 .
L o a d i n g R i n g l n s t a l l a t i o n
Combine the loading ring (R) assembly and loading ring
(L) assembly with the portion crossed as shown in the
figure.
Insert into two ring rollers A.
Tighten the two screws while pushing the ring roller
assembly ln
the direction indlcated by the arrow so
Loading ring (L) assembly
Rotate to check
Loading ring (L) assembly
movement.
\_
_5.-.
Ring rollers
.--à /
- /
-T-
H
/
Loading ring (R) assembly
5.
Top View
< F i g . A >
Back of chassis
that ring roller B is aligned with the loading ring.
Slowly turn the loading ring and check that there is
no play.
Insert the two loading arms into the axes and fix them
using washers.
Washers
Loading rine G)
assembly
(Viewed from the back)
Loading ring (R) assembly
Mechanical chassis
Advertisement
