Sharp WF-930H Serviceanleitung Seite 8

WF-930H
REMOVING AND REINSTALLING THE MAIN PARTS
TAPE MECHANISM
Perform steps 1, 2 and 5 of the disassembly method to
removethe mechanismblock.(Seepage6 and7.)
How to remove the record I playback, playback
and erase heads (See Figs. 8-1 and 8-2.)
1. Remove the screws (A1) x 2 pcs., to remove the record/
playback head.
2. Remove the hooks (A2)x2 pcs. towardthe centerposition
as shown in Fig. 8-1. and then extract the erase head
upward.
3. Remove the screws (Bl) x 2 pcs., to removethe playback
head.
Note:
After replacingthe headsand performingthe azimuthadjust-
ment, be sure to apply screwlock.
How to remove the pinch roller (See Fig. 8-3.)
I . Carefully bend the pinch roller pawl in the direction of the
arrow and remove the pinch roller (Cl) upwards.
How to remove the motor (See Fig. 8-4.)
I. Remove the belt.
2. Remove the screws (Dl) x 6 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 mount-
ing angle.
How to remove the belts (See Fig. 8-5.)
1. Remove the main belt (E1) x 1 pc., at the tape 2 side from
the motor pulley.
2, Remove the main belt (E2) x I pc., at the tape 1 side from
the motor pulley.
3. Remove the REW/FFbelt (E3)x 2 pcs., from the REW/FF
roller.
4. Put on the belts in the reverse order of removal.
Note:
When putting on the belt,ascertainthat the belt is not twisted,
and clean it.
Moter
TAPE
Main Bert
TAPE 2
Clutch Assy
REW / FF
F eel
Main
Belt
Belt
Figure
SECTION
2
TAPE 1
Main Be
TAPE
Moter
Main
Belt
(El)xl REW / FF
Clutch Assy
REW / FF
Belt
Frywheel
(E3) xl
8-5
(A1) xl
ø2x7mm
Hook
(A2) x2
Erase
Head
ø2x7mm
Pinch Roller
ø2 x4mm
Motor
Bracket
1
(Dl)x2
ø2 x4mm
-8-
TAPE
(A1) xl
ø2x3mm
Record/Playback
Head
Figure 8-1
TAPE
(81) xl
ø2x3mm
Playback
Head
Figure 8-2
Pinch Roller
Pawl
Figure 8-3
ø2 x4mm
Special Screw
Motor
Motor
Figure 8-4
1
2
Motor
Bracket