Sony SLV-L44AR / SLV-L66HFAR Service Manual ▷ View online
5-18
3-12-4. T SOFT BRAKE ASSEMBLY, TAKE UP
REEL ASSEMBLY, T REEL GEAR
(See Fig. 3-12-4)
(See Fig. 3-12-4)
1) Remove the T soft spring
1
.
2) Remove the clamp
2
, then remove the T soft brake
assembly
3
.
3) Refer to section 3-12-2 and remove the clutch mounting
assembly.
4) Pressing the T brake assembly
4
in the direction of the
arrow, remove the take up reel assembly
5
and the T
reel gear
6
.
ASSEMBLY NOTE:
1. After cleaning the shafts
7
and
8
, apply a drop of oil
(NT-68) to each.
6
T reel gear
5
Take up reel
assembly
1
T soft
spring
3
T soft brake
assembly
4
T brake
assembly
2
Clamp
8
Shaft
7
Shaft
Fig.3-12-4
3-13. BRAKES
3-13-1. S BRAKE ASSEMBLY, T BRAKE ASSEM-
BLY, T BRAKE ACT SLIDE (See Fig. 3-13-1)
1) Refer to section 3-3-1 and remove the cassette mecha-
nism assembly.
2) Remove the two clamps
1
, then remove the T brake
act slide
2
. (Note: You can remove the S brake assem-
bly
7
and the T brake assembly
5
without removing
the T brake act slide
2
.)
3) Remove the brake spring
3
.
4) Remove the two clamps
4
simultaneously, then remove
the T brake assembly
5
.
5) Remove the clamp
6
, then remove the S brake assem-
bly
7
.
ASSEMBLY NOTES:
1. Apply grease (SGL-505) to the shafts
8
and
9
.
2. When fitting the T brake act slide
2
, align the mark
0
with the shaft
!¡
.
6
Clamp
3
Brake spring
1
Clamp
0
Mark
2
T brake act slide
1
Clamp
!¡
Shaft
8
Shaft
4
Clamps
9
Shaft
7
S brake
assembly
5
T brake
assembly
Fig. 3-13-1
5-19
3-13-2. BRAKE CONTROL LEVER AND BRAKE
ACT LEVER ASSEMBLY (See Fig. 3-13-2)
1) Refer to section 3-2 and remove the mechanism unit.
2) Refer to section 3-15 and remove the wheel gear 2.
3) Refer to sections 3-12-1, then remove the reel belt and
2) Refer to section 3-15 and remove the wheel gear 2.
3) Refer to sections 3-12-1, then remove the reel belt and
the reel pulley.
4) Remove the clamp
1
, then remove the wheel gear 1
2
.
5) Remove the clutch change spring
3
.
6) Remove the clamps
4
and
5
, then remove the brake
control lever
6
. Remove the clamp
4
on the topside of
the mechanlsm chassis.
7) Remove the brake return spring
7
.
8) Refer to section 3-8 and remove the worm gear assem-
bly.
9) Remove the clamp
8
and clamp
5
, then remove the
brake act lever assembly
9
. To maintain the perfor-
mance of the brake act lever assembly
9
, do not
disassemble it.
ASSEMBLY NOTES:
1. Apply grease (SGL-505) to the shafts
0
and
!¡
, to the
teeth of the wheel gear 1
2
. and to the pin
!™
of the
brake control lever
6
.
2. Put the pin
!£
of the brake control lever
6
into the cam
groove
!¢
of the crescent slide.
3. Before fitting the wheel gear 1
2
, align the hole
!∞
with
the hole
!§
on the mechanism chassis.
4. Refer to section 3-15 and align the wheel gear 2.
!£
Pin
!™
Pin
6
Brake control lever
8
Clamp
5
Clamp
0
Shaft
!¡
Shaft
!§
Hole
4
Clamp
!∞
Hole
1
Clamp
2
Wheel
gear 1
3
Clutch change
spring
9
Brake act
lever assembly
7
Brake return
spring
!¢
Cam
groove
Fig. 3-13-2
3-13-3. S BRAKE ACT SLIDE AND BT SPRING
LEVER ASSEMBLY
(See Figs. 3-13-3 and 3-13-4)
(See Figs. 3-13-3 and 3-13-4)
1) Refer to section 3-16 and remove the crescent slide.
2) Refer to section 3-12-1 and remove the friction gear
2) Refer to section 3-12-1 and remove the friction gear
assembly.
3) Slide the S brake act slide
1
in the direction of the
arrow
A
, then remove it.
4) Refer to section 3-11 and remove the BTspring.
5) Press the BTspring lever assembly
5) Press the BTspring lever assembly
2
until it touches
the pin
3
, then remove it.
ASSEMBLY NOTES:
1. Apply grease (SGL-505) to the shaft
4
shown in Fig. 3-
13-3, and to the BT spring lever assembiy
2
and the S
brake act slide
1
shown in Fig. 3-13-4.
2. After mounting the BT spring lever assembly
2
on the
Shaft
4
, hook the BT spring onto the clamp
5
and
press it until it touches the pin
6
.
3. Make sure that the clamps
7
,
8
and
9
have snapped
Into the S brake act slide
1
. Align the arrow
0
on the
S brake act slide
1
with the arrow
!¡
on the mecha-
nism chassis.
5
Clamp
!¡
Arrow on mechanism chassis
1
S brake act slide
7
Clamp
9
Clamp
8
Clamp
3
Pin
6
Pin
A
4
Shaft
0
Arrow
2
BT spring
lever
assembly
assembly
Fig. 3-13-3
Apply grease
Apply grease
Apply grease
2
BT spring
lever
assembly
1
S brake
act
slide
Fig. 3-13-4
5-20
3-14.GUIDES
3-14-1. GUIDE ROLLER ASSEMBLY
(See Fig. 3-14-1)
1) Unscrew the two screws
1
. When you do this, be
careful not to damage the cylinder or the video head.
2) Remove the two guide roller assemblies
2
by unscrew-
ing them anticlockwise.
ASSEMBLY NOTES:
1. Tighten the two screws
1
to a torque of 600 g/cm. After
tightening, apply a screw-locking glue.
2. After replacing the parts, be sure to clean the guide
roller and carry out tape path adjustment as described
in section 4-3.
in section 4-3.
1
Screw
1
Screw
2
Guide
roller
assembly
2
Guide
roller
assembly
Fig. 3-14-1
3-14-2. S AND T INCLINE MOUNTING
ASSEMBLIES (See Fig. 3-14-2)
1) Refer to section 3-2 and remove the mechanism unit.
2) Refer to section 3-4 and remove the cleaner lever.
3) Remove the four screws
2) Refer to section 3-4 and remove the cleaner lever.
3) Remove the four screws
5
and take off the two catcher
mountings
6
.
4) Refer to section 3-1 and rotate the loading motor in the
PLAY direction until tape loading is completed.
5) Shift the S incline mounting assembly
1
slightly, in the
direction of the arrow
A
, then remove it from the S load
lever assembly
2
.
6) Shift the T incline mounting assembly
3
slightly, in the
direction of the arrow
B
, then remove it from the T load
lever assembly
4
.
ASSEMBLY NOTES:
1. Apply grease (SGL-505) to the rail (top, underside and
sides) on the mechanism chassis.
2. When fitting the S and T incline mounting assemblies
1
and
3
into the rail, turn the loading motor manually in
the EJECT direction. When tape unloading begins,
watch out in case the S and T incline mounting assem-
blies
watch out in case the S and T incline mounting assem-
blies
1
and
3
get caught in the rail.
3. Aline the dowels on the catcher mounting
6
with the
holes
7
in the mechanism chassis.
4. After repiacing the parts, clean the cylinder and the
roller guide, then adjust the tape path as described in
section 4-3.
section 4-3.
B
A
1
S incline mounting
assembly
4
T load lever
assembly
2
S load lever
assembly
Apply grease to the top,
underside and side of the rail.
underside and side of the rail.
7
Holes
6
Catcher
mounting
5
Screws
5
Screws
7
Holes
3
T incline
mounting
assembly
Fig. 3-14-2
5-21
3-15. WHEEL GEAR 2, MAIN CAM AND
MODE SWITCH
(See Figs. 3-15-1 and 3-15-2)
1) Refer to section 3-2 and remove the mechanism unit.
When you do this, make sure the mechanism is in
EJECT mode.
EJECT mode.
2) Refer to section 3-7-1, then remove the harness
mounting.
3) Remove the clamp
1
, then remove the wheel gear 2
2
.
4) Remove the washer
3
, then remove the main cam
4
.
5) After unscrewing the screw
5
, remove the soldering
from the terminal of the mode switch
6
.
6) Remove the clamp
7
, then remove the mode switch
6
.
ASSEMBLY NOTES:
1. Apply grease (SGL-505) to the shafts
8
,
9
and
0
, to
the teeth of the main cam
4
, and to the all over the
cam groove of main cam
4
.
2. When fitting the modes witch
6
, align it in
AB
order
as shown in Fig. 3-15-2. The alignment of the part
B
is
shown in Fig. A. Position the teeth of the mode switch
6
so that the sixth tooth space left of part
A
is aligned
with the triangular mark on the pinch cam gear
!¡
. After
aligning part
B
, refer to section 3-9-2 and check the
positioning of the mode switch, the pinch cam gear and
the pinch lift cam.
the pinch lift cam.
3. Beforehand, remove the soldering from the soldered
part of the MC-1 PWB assembly, in order to prevent the
mode switch
mode switch
6
being warped. Solder the mode switch
6
after tightening the screw
5
(See Fig. 3-15-1 ) .
4. Align the hole in the crescent slide
!™
with the hole in
the mechanism chassis, as shown at point
G
in Fig. 3-
15-2 (refer to section 3-16 and see the holes
5
and
6
in Fig. 3-16-1).
5. When fitting the main cam
4
, position the mode switch
6
and the front rack gear
!£
as shown at points
C
and
D
respectively in Fig. 3-15-2.
6. When fitting the gear wheel 2
2
, position the main cam
4
and the wheel gear 1
!¢
as shown at points
E
and
F
respectively in Fig. 3-15-2.
3
Washer
6
Mode switch
7
Clamp
5
Screw
4
Main cam
2
Wheel
gear 2
!¢
Wheel
gear 1
!£
Front rack
gear
9
Shaft
8
Shaft
0
Shaft
!™
Crescent slide
!¡
Pinch
cam
gear
Fig. 3-15-1
2
Wheel gear 2
!¢
Wheel gear 1
4
Main cam
!™
Crescent
slide
!¡
Pinch
cam
gear
gear
!£
Front
rack
gear
gear
6
Mode
Fig. A
6 5 4
3
2
1
Align at
B
Marks on mode
switch
switch
6
A
B
F
G
E
D
C
Tooth tip on
main cam
main cam
4
switch
Fig. 3-15-2
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