w
()
z
<1:
z
w
1-
z
<(
:IE
2.
Remove the Cleaning Rod
from
bottom
side.
3. 0 isconnect a connector
(D).
4. Unscrew 3 screws (C). Since there is very
I
ittle
clearance between DO
Cylinder
(Lower
Cylinder)
Unit
and Chassis, remove the
Cylinder
gently
and
carefully.
(Figure
M9).
Screw
(C)
Cleaning
Rod
Figure M9
5.
Reinstall
the new DO
Cylinder
(Lower
Cylinder)
Unit
in the chassis,
tighten
the 3 screws (C).
Then connect a connectors and
reinstall
the
Cleaning Rod.
6.
Re-install
the
Head
Amp
C.B.A.
D.
Adjustment
After
Re-Installing
Figure
M
10
shows the
order
of
steps
for
adjusting
the mechanical and electrical.
These
adjustments
should
completion
of
reinstalling
or
Lower
Cylinder
Unit.
be
performed
after
the Upper Cy I i nder
3-6
I AFTER REINSTALLING THE UPPER CYLINDER
OR
LOWER CYLINDER
J
I I
~
MECHANICAL
ADJUSTMENTS I
u
I FINE ADJUSTMENT OF THE TAPE GUIDE POST
HEIGHT'
(P2 AND
P3)
LINEARITY
v
I FINE ADJUSTMENT OF THE
A/C
HEAD HORIZONTAL I
POSITION (X-VALUE)
I I
I I
~
ELECTRICAL ADJUSTMENTS :
u
I TRACKING SHIFTER ADJUSTMENT
u
I
PG
SHIFTER ADJUSTMENT
u
I
VIDEO
REG
CURRENT ADJUSTMENT
u
I
Hi·Fi AUDIO
REG
CURRENT ADJUSTMENT
Figure M1 0
3-4-3.
A/C
HEAD
MAINTENANCE
PROCEDURES
A. Replacement
of
the
A/C
Head (1)
Unit
1.
Disconnect a connector
(H).
(Figure
M11)
I
I
I
I
2. Unscrew 3 screws (E) (F) (G)
with
a spring and
then remove the
A/C
Head (1)
Unit
(Figure
M11).
Lock
Screw
(E)
Screw
Spring
A/C
Head Base Unit
Figure
M
11
3.
The
A/C
Head (1)
Unit
can
be
reinstalled by
reversing the removal procedure.
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