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VL-A10U/UC/UA/UW/T/K
VL-AH30U/UC/T
5-5-2. Cassette control ass'y
<Disassembling>
(1) Set the unit to the EJECT mode, and let the housing stand upright. Or set the
unit to the STANDBY mode, press the lock lever in the arrow direction, and
let the housing stand upright. (See Fig. 5: in the direction
pushing in the direction
lever.)
(2) Remove the four screws 2 and take out the down guide 3.
(3) Slide the two link support shafts
g
openings
on their respective slide chassis slits (two at
(4) Deflect the roller shafts
g
on the slide chassis. (Be careful not to deform the inner links.)
<Reassembling>
(1) Set the unit to the STANDBY mode.
(2) Deflect the roller shafts
g
on the slide chassis. (Be careful not to deform the inner links.)
(3) Align the flanges of roller shafts
sliding the flanges, fit the support shafts
slide them until they reach the slits.
(4) Attach the down guide. (While pressing the guide in the direction
the screws until the gap
c
becomes zero.)
Tightening torque: 70 7 mN·m (0.7 0.07 kg·cm)
5-5-3. Actuating the mechanism with the cassette
control ass'y removed
(1) Turn on the power supply with the cabinet and camera unit removed,
referring to the Service Manual (so as to actuate the mechanism).
(2) Put the cap on the light guide.
(3) Press the cassette control down switch through the adhesive tape in
the arrow direction so as to turn it on. At this time take care to avoid
contact with the cassette. Keep the switch pressed (if the switch is
turned off, unloading occurs).
Note: To set the Rec mode, press the pin (marked with the asterisk *)
of recognition switch (this operation is not necessary in other
modes).
5-5-4. Drum and Drum base
<Removal>
For the drum mounted in this model, there are 2 types. One is the same configuration as the former type, which the rotary transformer
rotor ass'y and balancer can be removed. When replacing the upper drum, use the upper drum for service (CDRMU0032GE01) as
before. The disassembly/assembly procedure is the same as before.
The other is a type directly bonding the rotary transformer rotor. For this type of drum, the rotary transformer rotor and balancer cannot
be removed. Therefore, the disassembly procedure is partially different. When replacing the upper drum, use the dedicated service
unit (CDRMU0033GE01) including the following parts. The assembly procedure becomes equal to that of the former drum.
* To replace the upper drum, be sure to put on gloves. Due care is required so that the drum is not damaged.
• Upper drum ass'y (former type)
• Balancer
• Balancer mounting screw
• Rotary transformer rotor ass'y (former type)
(1) Drum base (Both common type)
Remove the 3 mounting screws
as shown in Figure 1, and re-
move the drum base.
a
, slightly lift the housing by hand to release the lock
c
and the two roller shafts
d
a little inward to get them out of the round openings
d
a little inward, and fit them into the round openings
d
with the slide chassis slits
c
in the slide chassis slits
between the down guide 3 and the support shafts
j
Mounting
screw
Earth spring
Drum base
Upper/lower
drum ass'y
Positioning
hole
Figure 1
a
or
b
) (When
d
to the round
e
f
and two at
).
c
f
. While
e
, and
i
, tighten
2
Screw tightening
torque (4 locations)
0.069 0.007 N·m
(0.7 0.07kg·cm)
Adhesive tape
Cassette control
down switch
(2) Drum motor stator
(Both common type)
Remove the stator mounting
screw with the hexagonal
wrench as shown in Figure 2,
remove the motor stator.
20
Lock Lever
Down Guide
a
b
j
Figure 5. Lock lever section
l
4
1
m
m
d
r
d
c
f
g
e
i
3
i
2
e
2
2
Figure 6
Cap
Light guide
Recognition switch
*
Phase matching
hole
Motor stator
Stator mounting
screw
Upper/lower
drum ass'y
Figure 2
c
i
Screw
k
n
f
g
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