JVC MF-33L User Manual

How to Remove
Cassette Door Holder
_
. Open the door by depressing “EJECT” knob.
2. Take off the brake shaft arm connected with the door at
left-hand of the cassette compartment.
3. Depress the opened door toward you so as to open it
further.
Notice: Check Point of Door Trouble
If opening or closing the door is not smooth,
check the following points.
1. Whether the small hole of brake pipe (inside) is choking
with something like dust.
2. Whether grease on brake shaft is running out.
3. Whether “O” ring of the shaft is deforming.
MF-33L/ML
Removal of Cassette
Mechanism
For
removing
cassette
mechanism
parts,
do
it
in
the
fol-
lowing
way
referring
to
“Exploded
View
of
Cassette
Mechanism” on page
(1)
Regarding
the
parts
to
which
the
belt
is
fitted,
take
off
the
belt
first.
(2)
Regarding
the
parts
to
which
the
spring
is
hooked
up,
take
off
the
spring
first.
(3)
Regarding
the
other
major
parts,
remove
screw
or
“E"'
ring
which
fixes
the
parts
to
be
removed.
CAUTION:
1.
As
for
rotation
parts
such
as
reel
disk
etc.,
pull
it
out
vertically from the shaft.
2.
Be
careful
not
to
soi!
belt
or
rubber
Parts
in
oil
etc.
Check Point After Replacement of Rotation Parts
1. Pinch Roller Pressure
@ It must be within 380~580 g/cm.
@ The roller continues to rotate after being rotated by
the finger.
@ The roller surface contacting the capstan must be
vertical,
2. Flywheel
@ A little thrust clearance exists between flywheel! shaft
bearing and special washer.
@ The capstan is clean, correctly centered, and provides
quiet rotation.
3. Take-up Torque
It must be within 40~70 g/cm.
If torque is out of the specified range, take the following
measures.
1) Clean take-up belt, surfaces of idler and reel-disc.
2)
Change
the
position
of
the
spring
holder
in
the
clutch
pulley.
(Refer
to
Fig.
14)
3) Nevertheless, if the standard torque is not obtained,
replace take-up clutch arm ass’y.
4. Fast Forward and Rewind Torque
The standard torque should be over 60 g/cm.
If the torque is less than the specified range, take the
following measures.
1) Clean take-up belt, rubber part of reel-disc, and all
parts to which the belt gets in contact.
2) Change the position of the spring holder in the F.F.
idler. (Refer to Fig. 14)
3) Adjust or replace the springs concerned.
4) In case the rubber parts was worn out, replace to new
one.
F.F. idler
Clutch pulley
Fig. 14
Note: To adjust the spring holder, raise it up with a
screwdriver and shift to higher position by turning.
The torque is the higher the stronger.
No. 7020

JVC MF-33L Specifications

General

Brand	JVC
Model	MF-33L
Category	Stereo System
Language	English