Sharp CD-MD3000 (serv.man10) Service Manual ▷ View online
– 21 –
CD-MD3000H/CD-MD3000W
Figure 21-1
How to remove the MD spindle motor
(See Fig. 21-1)
(See Fig. 21-1)
1. Remove the screws (D1) x 3 pcs., and remove the MD
spindle motor.
Caution:
Be careful so that the gear is not damaged.
(The damaged gear emits noise during searching.)
(The damaged gear emits noise during searching.)
(D1)x3
ø1.4x3mm
MD Spindle Motor
CD MECHANISM SECTION
Perform steps 1 to 7 of the disassembly method to remove the
CD mechanism. (See page 18.)
CD mechanism. (See page 18.)
Note:
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
How to Remove the pickup (See Fig. 21-2.)
1. Remove the screws (A1)x 2 pcs., to remove shaft (A2)x 1
pc.
2. Remove stop washer (A3)x 1 pc., to remove gear (A4)x 1 pc.
3. Remove the pickup.
3. Remove the pickup.
(A1) x1
ø2.6 x6mm
ø2.6 x6mm
CD
Mechanism
Mechanism
Stop Washer
(A3) x1
(A3) x1
Gear
(A4) x1
(A4) x1
Shaft
(A2) x1
(A2) x1
Pickup
(A1) x1
ø2.6 x6mm
ø2.6 x6mm
Figure 21-2
Figure 21-3
How to Remove the tray motor/main cam motor
(See Fig. 21-3.)
(See Fig. 21-3.)
1. Remove the screws (B1)x 4 pcs., to remove the CD PWB.
2. Remove the (1) front top plate, (2) changer box, left/right
2. Remove the (1) front top plate, (2) changer box, left/right
and (3) disc trays 1~6. After that, disassemble as shown in
the figure.
the figure.
3. Remove the screws (B2)x 4 pcs.
4. Remove the tray motor and main cam motor.
4. Remove the tray motor and main cam motor.
CD CHANGER MECHANISM SECTION
Perform steps 1 to 5 of the disassembly method to remove the
CD changer mechanism. (See page 18.)
CD changer mechanism. (See page 18.)
Main Cam Motor
Tray Motor
CD PWB
(1) Front Top Plate
(2) Changer Box,
Left
Left
(2)Changer Box,
Right
Right
(3) Disc Tray,1~6
CD Changer Mechanism
(B1)x4
ø3x10mm
(B2)x4
ø2.6x4mm
Note:
The parts of (1), (2) and (3) correspond to the drawing Nos.
117, 102, 103 and 108 to 113 of the CD change mechanism
disassembly drawing.
Remove the screws of 117, 102 and 103, and the parts of (1),
(2) and (3) will be ready for removal and the screws of the tray
motor and main cam motor will be visible.
The parts of (1), (2) and (3) correspond to the drawing Nos.
117, 102, 103 and 108 to 113 of the CD change mechanism
disassembly drawing.
Remove the screws of 117, 102 and 103, and the parts of (1),
(2) and (3) will be ready for removal and the screws of the tray
motor and main cam motor will be visible.
CD-MD3000H/CD-MD3000W
– 22 –
Figure 22-1
Figure 22-2
Figure 22-3
Figure 22-4
TAPE MECHANISM SECTION
Perform steps 1 to 4 and 9 of the disassembly method to
remove the tape mechanism.
remove the tape mechanism.
How to remove the record/playback and erase
heads (See Fig. 22-1)
heads (See Fig. 22-1)
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.
head can be removed.
How to remove the pinch roller (See Fig. 22-2)
1. Carefully bend the pinch roller pawl in the direction of the
arrow <A>, and remove the pinch roller (B1) x1 pc., in the
direction of the arrow <B>.
direction of the arrow <B>.
Note:
When installing the pinch roller, pay attention to the spring
mounting position.
When installing the pinch roller, pay attention to the spring
mounting position.
How to remove the belt (See Fig. 22-3)
1. Remove the motor.
2. Remove the main belt (C1) x 1 pc., from the motor side.
3. Remove the FF/REW belt (C2) x 1 pc.
2. Remove the main belt (C1) x 1 pc., from the motor side.
3. Remove the FF/REW belt (C2) x 1 pc.
How to remove the motor (See Fig. 22-4)
1. Remove the belt.
2. Remove the screws (D1) x 2 pcs., to remove the motor.
2. Remove the screws (D1) x 2 pcs., to remove the motor.
Pinch
Roller
(B1)x1
Roller
(B1)x1
<A>
Pinch
Roller
Pawl
Roller
Pawl
Pull
<B>
Pull
(Left)
<A>
Pinch
Roller
Pawl
Roller
Pawl
Pull
<B>
Pull
(Right)
(A1)x2
Ø2 x 6mm
Ø2 x 6mm
Record/
Playback
Head
Playback
Head
Erase
Head
Head
How to remove the control panel motor
(See Fig. 22-5)
(See Fig. 22-5)
1. Remove the control panel.
2. Remove the screws (E1) x 6 pcs., to remove the CD changer
2. Remove the screws (E1) x 6 pcs., to remove the CD changer
door panel.
3. Remove the screws (F1) x 2 pcs., to remove the control
panel motor.
FRONT PANEL SECTION
Perform steps 1 to 4 of the disassembly method to remove the
front panel.
front panel.
CD Changer
Door Panel
Door Panel
CD Changer
Door Panel
Door Panel
Control
Panel
Motor
Panel
Motor
Gear Box A
(E1)x1
ø2.6x10mm
ø2.6x10mm
(E1)x3
ø2.6x10mm
ø2.6x10mm
(E1)x2
ø2.6x10mm
ø2.6x10mm
(F1)x2
ø2x5mm
ø2x5mm
Motor PWB
Gear Box B
Control Panel
Figure 22-5
Main Belt
(C1)x1
(C1)x1
FF/REW Belt
(C2)x1
(C2)x1
Motor
(D1)x2
Ø 2.6 x 5mm
Ø 2.6 x 5mm
Motor
– 23 –
CD-MD3000H/CD-MD3000W
1. Motor assembly (x 2) mounting (screw x 4)
01/29
Fig.24
2. MT idle gear mounting (screw x 1)
25
Fig.24
3. MT system gear assembly
23/24/26/27
Fig.24
4. STB/tray drive system gear and others assembling/
37/38/45/46 (53)/47/48
Fig.24
mounting (screw x 3)
5. Tray big gear assembly
31
Fig.24
Gear positioning
6. T.M SW PWB mounting (screw x 3)
Fig.25
7. STB holder assembling
03
Fig.24
8. STB drive gear L/R assembly mounting (screw x 2)
11 (10)/12 (10)
Fig.24
9. Tray joint gear R/tray drive gear R assembling
34/36
Fig.25
Gear positioning
10. Tray gear A/B assembling
32/33
Fig.25
Gear positioning
11. Lift gear B/C assembling
43/44
Fig.26
Gear positioning
12. MT idler gear F assembling, mode big gear
28/41
Fig.26
mounting (screw x 1)
13. Change box R mounting (screw x 4)
04
Fig.26
14. Lift gear A assembling
42
Fig.26
Gear positioning
15. Change box L assembly mounting (screw x 4)
02/30/35
Fig.27
16. Lift cam assembling (shaft inserting)
40
Fig.27
Gear positioning
17. STB holder height adjusting
Fig.28
Check/adjustment
18. Top plate F/disc OB LEV. Mounting (screw x 6)
80
Fig.28
19. Trays 1 - 6 assembling
91/92/93/94/95/96
Fig.29
20. Top plate R mounting (screw x 6)
––
Applied part No.
Work content
Assembly fig. No.
Remarks
CD CHANGER MECHANISM MAIN BASE PARTS ASSEMBLING/ADJUSTING
PROCEDURE
PROCEDURE
01 (101)
MAIN BASE
02 (102)
CHANGE BOX L
03 (147)
STB HOLDER
04 (103)
CHANGE BOX R
10 (119)
STB DRIVE GEAR A
11 (120)
STB DRIVE GEAR L
12 (122)
STB DRIVE GEAR R
20 (149)
STABILIZER FH
23 (141)
MT IDLER GEAR A
24 (138)
MT IDLER GEAR B
25 (137)
MT IDLER GEAR C
26 (140)
MT IDLER GEAR D
27 (139)
MT IDLER GEAR E
28 (131)
MT IDLER GEAR F
29 (MOB1,2)
MOTOR GEAR
30 (143)
TRAY DRIVE GEAR F
31 (134)
TRAY BIG GEAR
32 (135)
TRAY GEAR A
33 (136)
TRAY GEAR B
34 (124)
TRAY DRIVE GEAR R
35 (144)
TRAY JOINT GEAR F
36 (125)
TRAY JOINT GEAR R
37 (142)
TRAY GEAR C
38 (130)
TRAY IDLER GEAR
Part name
No.
40 (115)
LIFT CAM
41 (126)
MODE BIG GEAR
42 (127)
LIFT GEAR A
43 (128)
LIFT GEAR B
44 (129)
LIFT GEAR C
45 (132)
STB GEAR A
46 (104)
STB GEAR B
47 (133-1)
STB GEAR C
48 (133-3)
STB GEAR D
50 (145)
LIFT LEVER
51 (106)
TRAY LOCK LEVER
52 (118)
DISC OB LEVER
53 (105)
STB GEAR ANG.
80 (117)
TOP PLATE F
81 (114)
TOP PLATE R
91 (108)
TRAY 1
92 (109)
TRAY 2
93 (110)
TRAY 3
94 (111)
TRAY 4
95 (112)
TRAY 5
96 (113)
TRAY 6
Part name
No.
CD CHANGER MECHANISM PARTS LIST
The number of ( ) is the number of the parts guide.
CD-MD3000H/CD-MD3000W
– 24 –
Figure 24
31
TRAY BIG GEAR
TRAY BIG GEAR
31
TRAY BIG GEAR
TRAY BIG GEAR
37
TRAY GEAR C
TRAY GEAR C
38
TRAY IDLER GEAR
TRAY IDLER GEAR
37
TRAY GEAR C
TRAY GEAR C
38
TRAY IDLER GEAR
TRAY IDLER GEAR
47
STB GEAR C
47
STB GEAR C
46
STB GEAR B
46
STB GEAR B
STB GEAR B
10
STB DRIVE GEAR A
29
01
MAIN BASE
MAIN BASE
29
23
23
24
25
26
27
Mark position
03
STB HOLDER
STB HOLDER
48
STB GEAR D
STB GEAR D
12
STB DRIVE GEAR R
(ASS'Y)
11
STB DRIVE GEAR L
(ASS'Y)
11(/12) (10)
STB DRIVE GEAR L(/R)
(ASS'Y)
STB DRIVE GEAR L(/R)
(ASS'Y)
10
STB DRIVE GEAR A
45
STB GEAR A
45
STB GEAR A
53
STB GEAR ANG.
53
STB GEAR ANG.
After assembling TRAY BIG GEAR, turn it in the arrow direction.
TRAY BIG GEAR ASSEMBLING POSITION
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