Removing And Reinstalling The Main Parts - Sharp XL-70 Service Manual

XL-70/70C

REMOVING AND REINSTALLING THE MAIN PARTS

TAPE MECHANISM SECTION
Perform steps 1 to 8 and 10 of the disassembly method to
remove the tape mechanism. (See page 8.)
How to remove the record / playback and erase
heads (See Fig. 10-1.)
1. Remove the screws (A1) x 2 pcs., to remove the erase
head.
2. Remove the screws (A2) x 2 pcs., to remove the record/
playback head.
Note:
After replacing the heads and
adjustment, be sure to apply screwlock.
How to remove the pinch roller (See Fig. 10-2.)
1. Carefully bend the pinch roller pawl in the direction of the
<A>
arrow , and remove the pinch roller (B1) x 1 pc.,
upwards.
How to remove the belts (See Fig. 10-3.)
1. Remove the main belt (C1) x 1 pc., from the motor pulley.
2. Remove the FF/REW belt (C2) x 1 pc., from the REW/FF
roller.
3. Put on the belts in the reverse order of removal.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
How to remove the motor
(See Figs. 10-4.)
1. Remove the main belt.
2. Remove the screws (D1) x 2 pcs., to remove the motor
bracket.
3. Remove the screws (D2) x 3 pcs., to remove the motor.
Note:
When mounting the motor, pay attention to the motor mounting
angle.
How to remove the flywheel (See Fig. 10-5.)
1. Remove the belt.
2. Remove the stop washer (E1) x 1 pc., with a small precision
screwdriver to extract the flywheel from the capstan metal.
Note:
When the stop washer is deformed or damaged, replace it
with a new one.
How to reinstall the parts
Install each part in the reverse order of the removal with care.
performing the azimuth
– 10 –
(A2)x1
(A2)x1
ø2x7mm
ø2x3mm
(A1)x2
ø2x8mm
Erase Head
Record/
Playback Head
Figure 10-1
Pinch Roller
(B1)x1
Figure 10-2
Main Belt
(C1)x1
FF/REW Belt
(C2)x1
Figure 10-3
(D1)x1
ø2x4mm
Motor
Motor
Bracket
(D1)x1
ø2x4mm
Figure 10-4
(E1)x1
Stop Washer
Mechanism
Chassis
Washerx2
Flywheel
Figure 10-5
<A>
Pinch Roller
Pawl
Motor
REW/FF
Clutch
(D2)x3
Special
Screw
Motor
Driver
Stop
Washer