Sharp VL-PD3AE, Service Manual

Page: 14 / 118

14
VL-PD3AS/AH/AE
PLAYBACK mode diagram
(RECORD, FF, VSF)
(5) PLAYBACK (RECORD, FF, VSF) mode
The mechanism position for playback, record, FF and fast
feed playback.
The pinch roller is pressed to the capstan axis, and the S/Tu
main brake is separated from the S/Tu reel base.
(6) STOP mode
The system is in the STOP (Rec Lock in CAMERA mode)
position; the S and the T pole bases are snap-fitted to the drum
base, the S brake is in contact with the S reel base, and the Tu
brake is in contact with the Tu reel base.
8-2. Cassette controller assembly
<Removing>
(1) Remove the CAP FPC cover. (Remove the Head amplifier PWB unit and
tighten screw together.)
(2) Apply DC3V to the loading motor to set the standby mode. Press the lock
lever in the arrow direction to move up the cassette controller. (See Fig. 1,
direction
A or B )
(When the lever is pressed in the direction
A
, gently raise the cassette
controller to release.)
(3) Remove the screws
C
and E shown in Fig. 2 and Fig. 3, and remove the
Down guide I .
(4) Remove the screws
D
,
F
,
G
, and
H
shown in Fig. 2, 3 and 4, raise the
side plate J in the direction K to remove it.
Note) When removing the cassette controller, take care so that the drum motor
FPC provided between the side plate J and the top cover R is not
damaged and so that the drum is not damaged.
<Installing>
(1) Apply DC3V to the loading motor to set the standby mode.
(2) Install the side plate
J
.
1) Lower the cassette controller assembly in the direction contrary to K in Fig. 4,
and fit the screws
G
and
H
as shown in Fig. 4.
Tightening torque 40
±
4mN·m
Before fitting the screws
G
and
H
make sure that the side plate positioning
section L engages with the down switch angle in Fig. 2.
Note) When lowering the cassette controller assembly in the direction contrary
to K, place the drum motor FPC between the side plate J and the top
cover
R
. At this time be careful so that FPC is not damaged. Take care
so that the drum is not damaged.
2) In Fig. 2 fit the screws
D
.
Tightening torque 40
±
4mN·m
3) In Fig. 3 fit the screw
F
.
Tightening torque 40
±
4mN·m
(3) Install the down guide
I
.
1) In Fig. 2 and Fig. 3 engage the slide chassis down guide positioning sections
N
and
O
with the down guide, install with the screws
C
and
E
.
Tightening torque 40
±
4mN·m
(4) Attach the CAP FPC cover.
1) Attach the Head amplifier PWB unit and tighten screw together.
Tightening torque 40
±
4mN·m
Fig. 1. Lock lever
Fig. 2
Tu main brake
(Not visible)
Tu reel base
Fig. 4. (Fig. from direction A)
Fig. 3
T pole base
S pole base
STOP mode diagram
S reel base
S main brake
A
B
Lock lever
L
A
Fig. 4
Down guide
positioning
I
N
C
M
Down guide
Slide chassis
Side plate positioning
Down switch angle
K
D
F
O
E
A
Fig. 4
Down guide positioning
I Down guide
Slide chassis
K
R Top cover
J
G
Side plate
H
K
Capstan shaft
Pinch roller
S reel base
S main brake
Tu main brake
Tu reel base