Sharp CD-MPX870W, Service Manual

Page: 46 / 114

CD-MPX870W
3 – 4
[2] Removing and reinstalling the main parts
1. TAPE MECHANISM SECTION
Perform steps 1 to 5 and 6 of the disassembly method
to remove the tape mechanism.
1.1. How to remove the record/playback and erase
heads (TAPE 2) (See Fig. 1)
1. When you remove the screws (A1) x 2 pcs., the
recording/playback head and three-dimensional
head of the erasing head can be removed.
Figure 1
1.2. How to remove the playback head (TAPE 1)(See Fig. 2)
1. When you remove the screws (B1) x 2 pcs., the
playback head can be removed.
Figure 2
1.3. How to remove the pinch roller (TAPE 1/2) (See Fig. 3)
1. Carefully bend the pinch roller pawl in the direction
of the arrow <A>, and remove the pinch roller (C1) x
1 pc., in the direction of the arrow <B>.
Note:
When installing the pinch roller, pay attention to the
spring mounting position.
Figure 3
1.4. How to remove the belt (TAPE 2) (See Fig. 4)
1. Remove the main belt (D1) x 1 pc., from the motor
side.
2. Remove the FF/REW belt (D2) x 1 pc.
1.5. How to remove the belt (TAPE 1) (See Fig. 4)
1. Remove the main belt (E1) x 1 pc., from the motor side.
2. Remove the FF/REW belt (E2) x 1 pc.
Figure 4
1.6. How to remove the motor (See Fig. 5)
1. Remove the screws (F1) x 2 pcs., to remove the motor.
Figure 5
2. CD MECHANISM SECTION
Perform steps 1, 2, 9, 10, 11 and 12 of the disassem-
bly method to remove the CD mechanism.
(A1)x2
φ
2x9mm
TAPE 2
Record/Playback
Head
Erase Head
Clutch Ass'y
(B1)x2
φ
2x9mm
TAPE 1
Playback
Head
Clutch Ass'y
Pinch Roller
(C1)x1
<A>
<B>
Pinch
Roller
Pawl
Pull
TAPE 2
TAPE 1
Main Belt
(E1)x1
TAPE 2
Main Belt
(D1)x1
TAPE 1
Main Belt
(D1)x1
Main Belt
(E1)x1
FF/REW
Belt
(D2)x1
FF/REW
Belt
(E2)x1
Tape
Motor
Tape
Motor
(F1)x2
φ
2.6x5mm
Tape
Motor
Clutch Ass'y