Sony SLV-L45AR / SLV-L65HFAR / SLV-L75HFAR Service Manual ▷ View online
5-11
3-5. CYLINDER (DRUM)
3-5-1. CYLINDER MOTOR (ROTOR AND STATOR)
(See Fig. 3-5-1)
1) Refer to section 3-2 and remove the mechanism unit.
2) Remove the screw
2) Remove the screw
1
and remove the cylindere arth
assembly
2
.
3) Remove the two screws
3
, the rotor
4
and the spacer
8
.
4) Remove the three screws
5
and the stator
6
.
ASSEMBLY NOTES:
1. When fitting the rotor
4
, align the long hole
9
-beside
the triangular mark on the rotor
4
- with the hole
0
in
the rotor disk.
2. When fitting the screws
3
and
5
, use the torque
gauge screwdriver (J-6082-047-A). Give the screws a
tightening torque of 3 kg/cm.
tightening torque of 3 kg/cm.
3. Align the dowels
!¡
on the cylinder earth assembly
2
with the holes
!™
in the chassis.
4. After fitting the mechanism unit, do the switching
position adjustment of the servo circuit.
3
Screws
4
Rotor
9
Long hole (used for
alignment when fitting
the rotor)
the rotor)
Triangular mark
5
Screws
6
Stator
8
Spacer
1
Screws
2
Cylinder
earth
assembly
assembly
!¡
Dowels
!™
Holes
0
Hole (Use for alignment
when fitting the rotor)
Fig. 3-5-1
3-5-2. CYLINDER ASSEMBLY (See Fig. 3-5-2)
1) Refer to sections 3-5-2, and remove the cylinder unit,
the rotor, and the stator.
2) Remove the three screws
1
and the cylinder assembly
2
.
ASSEMBLY NOTES:
1.Be careful not to scratch or soil the top of the cylinder.
After fitting the cyiinder, clean the surface.
2.Align the cylinder assembly
2
with the two dowels
4
on
the mechanism chassis
3
.
3.After fitting the cylinder assembly, do the tape path
adjustment as instructed in section 4-3 and do the
switching position adjustment of the servo circuit.
switching position adjustment of the servo circuit.
2
Cylinder
assembly
4
Dowels
1
Screws
3
Mechanism
chassis
Fig.3-5-2
5-12
3-6. FE HEAD AND ACE HEAD
3-6-1. AUDIO R/P HEAD ASSEMBLY (ACE HEAD)
(See Fig. 3-6-1 )
1) Unplug the connector from the audio R/P head assem-
bly (ACE head).
2) Remove the two screws
1
and the audio R/P head
assembly (ACE head)
2
.
ASSEMBLY NOTES:
1. Align the hole
3
on the audio R/P head assembly
(ACE head) with the pin
4
on the chassis unit.
2. After assembly, check that the clamp
5
on the cleaner
roller assembly has snapped into the mounting of the
audio R/P head assembly (ACE head)
audio R/P head assembly (ACE head)
2
.
3. After assembly, clean the surface of the head with a
soft cloth or chamois.
4. After assembly, refer to section 4-3, and adjust the
head height, the azimuth and the tracking (X) position.
1
Screws
2
Audio R/P head assembly
(ACE head)
3
Hole
5
Clamp
4
Pin
Fig. 3-6-1
3-6-2. FULL ERASE HEAD (See Fig.3-6-2)
1) Unplug the connector from the full erase head
1
.
2) Remove the screw
2
and the full erase head
1
.
ASSEMBLY NOTE:
1. After assembly, clean the full erase head
1
.
2
Screw
1
Full erase head
Fig. 3-6-2
5-13
3-7.CAPSTAN MOTOR
3-7-1. CAPSTAN MOTOR (See Fig.3-7-1)
1) Refer to section 3-2. then remove the mechanism unit.
2) Remove the two screws
2) Remove the two screws
2
, then remove the harness
mounting
1
.
3) Remove the reel belt
3
.
4) Remove the three screws
5
and the capstan motor
6
.
ASSEMBLY NOTES:
1. Check that connector
4
is inserted in the CP-1 PWB
assembly.
2. When fitting the thre screws
5
, use the torque gauge
screwdriver (J-6082-047-A). Give the screws a tighten-
ing torque of 3.5 kg/cm.
ing torque of 3.5 kg/cm.
3. After assembly, clean the capstan shaft with a soft cloth
or chamois.
5
Screws
6
Capstan
motor
4
Connector
1
Harness
mounting
2
Screws
3
Reel belt
Capstan shaft
Fig. 3-7-1
3-7-2. CAPSTAN BRAKE ASSEMBLY
(See Fig. 3-7-2)
1) Remove the spring
1
.
2) Remove the clamp
2
, then remove the capstan brake
assembly
3
.
1
Spring
3
Capstan brake
assembly
2
Clamp
Fig. 3-7-2
5-14
3-8. LOADING MOTOR ASSEMBLY AND
WORM GEAR ASSEMBLY
(See Fig. 3-8-1 )
1) Refer to section 3-2 and remove the mechanism unit.
2) Remove the soldering on the lead wires
2) Remove the soldering on the lead wires
2
of the
loading motor assembly from the MC-1 PWB assembly.
When you do this, be careful not to let the soldering iron
touch any other parts.
When you do this, be careful not to let the soldering iron
touch any other parts.
3) Press the clamp
3
, and remove the loading motor
assembly
1
and the damper
4
. Be careful not to exert
too much force on the clamp
3
.
4) Remove the worm gear assembly
5
. To maintain
performance, do not dis-assemble the worm gear
assembly
assembly
5
.
ASSEMBLY NOTES:
1. Apply grease (SGL-505) to the teeth of the worm gear
assembly.
2. Check that the clamps
3
and
6
are securing the
loading motor assembly.
3. Check the polarity of the lead wires
2
(the orange wire
is the positive terminal, and the gray wire is the nega-
tive terminal). After soldering the lead wires
tive terminal). After soldering the lead wires
2
, adjust
them so that they do not touch the friction gear assem-
bly.
bly.
5
Worm gear assembly
6
Clamps
1
Loading motor assembly
2
Lead wires
3
Clamp
4
Damper
Gray:
negative
negative
Orange:
positive
positive
Apply
grease
grease
Fig. 3-8-1
3-9. PINCH ROLLER PRESSURE
MECHANISM
3-9-1. PINCH ROLLER LEVER ASSEMBLY
(See Fig. 3-9-1)
1) Remove the clamp
1
, then remove the pinch lift
mounting
2
.
2) Remove the spring
3
, then remove the pinch roller
lever assembly
4
off the pinch lift mounting
2
. Before
you do this, align the Indentation
5
on the pinch roller
lever assembly
4
with the clamp
6
on the pinch lift
mounting
2
.
ASSEMBLY NOTE:
1. Be careful to keep the surface of the pinch rollerf ree of
dust and dirt.
5
Indentation
2
Pinch lift mounting
6
Clamp
1
Clamp
4
Pinch roller lever
assembly
3
Spring
Fig. 3-9-1
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