Sharp CD-BA2000 (serv.man5) Service Manual ▷ View online
– 9 –
CD-BA2000H
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need be
removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 9-2
Figure 9-3
CD-BA2000H
1
Top Cabinet
1. Screw ..................... (A1) x4
9-1
2
Side Panel
1. Screw ..................... (B1) x8
9-1
(Left/right)
3
CD Player Unit/
1. Turn on the power supply,
9-2
CD Tray Cover
open the disc tray, take out
the CD cover, and close.
(Note 1)
2. Screw ..................... (C1) x1
3. Hook ....................... (C2) x3
4. Hook ....................... (C3) x2
5. Socket .................... (C4) x2
the CD cover, and close.
(Note 1)
2. Screw ..................... (C1) x1
3. Hook ....................... (C2) x3
4. Hook ....................... (C3) x2
5. Socket .................... (C4) x2
4
Rear Panel
1. Screw ..................... (D1) x9
9-2
5
Main PWB
1. Screw ..................... (E1) x3
9-2
2. Socket .................... (E2) x3
10-2
3. Flat Cable ............... (E3) x1
4. Tip Wire .................. (E4) x1
4. Tip Wire .................. (E4) x1
6
Power Supply PWB 1. Screw ..................... (F1) x2
10-2
2. Socket .................... (F2) x4
3. Flat Wire ................. (F3) x1
3. Flat Wire ................. (F3) x1
10-3
7
Front Panel
1. Screw ..................... (G1) x2
10-2
8
Display PWB
1. Screw ..................... (H1) x14
10-3
2. Socket .................... (H2) x1
9
Tape Mechanism 1. Open the cassette holder.
10-3
2. Screw...................... (J1) x5
10
Headphones PWB 1. Screw ..................... (K1) x1
10-3
11
Turntable
1. Hook ....................... (L1) x2
10-4
2. Cover ..................... (L2) x1
12
Disc Tray
1. Turn fully the lock lever in the
9-3
arrow direction.
2. While holding the lock lever,rotate
10-1
the cam gear until the cam gear
rib engages with the clamp lever.
rib engages with the clamp lever.
3. Push the slide holder backward to
10-5
engage the claw with the groove
and remove it in the direction
of the arrow. .............. (M1) x6
and remove it in the direction
of the arrow. .............. (M1) x6
13
CD Servo PWB
1. Screw ..................... (N1) x1
10-6
(Note 2)
2. Hook ....................... (N2) x2
3. Socket .................... (N3) x4
3. Socket .................... (N3) x4
14
CD Mechanism
1. Hook ....................... (P1) x2
11-1
2. Hook ....................... (P2) x3
15
Loading Motor PWB 1. Hook ....................... (Q1) x5
11-1
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 9-1
CD-BA2000H
(B1)x4
ø3x10mm
ø3x10mm
(B1)x2
ø3x10mm
ø3x10mm
Rear
Panel
Panel
(B1)x2
ø3x10mm
ø3x10mm
Side Panel
(Right)
(Right)
Side Panel
(Left)
(Left)
(A1)x2
ø3x12mm
ø3x12mm
(A1)x2
ø3x12mm
ø3x12mm
Top Cabinet
(E1)x2
ø3x10mm
ø3x10mm
(E1)x1
ø3x6mm
ø3x6mm
(C3)x1
(D1)x2
ø3x10mm
ø3x10mm
(C1)x1
ø3x10mm
ø3x10mm
(D1)x7
ø3x10mm
ø3x10mm
CD Player
Unit
Unit
DC Tray Cover
Rear
Panel
Panel
Pull
(C3) x1
(C4)x2
(C2) x3
1
1
2
Main PWB
CD Servo
PWB
PWB
Note 1:
How to open the changer manually. (Fig. 9-3)
1. In this state, turn fully the lock lever in the arrow direction
How to open the changer manually. (Fig. 9-3)
1. In this state, turn fully the lock lever in the arrow direction
through the hole on the loading chassis bottom.
2. While holding the lock lever, rotate the cam gear anticlockwise
until the cam gear rib engages with the clamp lever. (Fig. 10-1)
3. After that, push forward the CD slide holder.
Note 2:
1. After removing the connector for the optical pickup from the
1. After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of the connector so as to protect the optical pickup
from electrostatic damage.
front end of the connector so as to protect the optical pickup
from electrostatic damage.
Note 3:
1. Be careful not to break the claw of the CD mechanism.
2. When fining back the cam gear assembly, let it lock by front
1. Be careful not to break the claw of the CD mechanism.
2. When fining back the cam gear assembly, let it lock by front
movement.
LOCK LEVER
CD-BA2000H
– 10 –
Figure 10-1
Figure 10-2
Figure 10-3
Figure 10-4
Figure 10-5
Figure 10-6
CLAMP LEVER
CAM GEAR RIB
(F1)x1
ø3x6mm
ø3x6mm
(G1)x2
ø3x10mm
ø3x10mm
(F1)x1
ø3x10mm
ø3x10mm
(F2)x3
(F2)x1
(E3)x1
(E4)x1
(E2)x2
Main PWB
(E2)x1
Power
Supply
PWB
Supply
PWB
Power
Supply
PWB
Supply
PWB
(H1)x14
ø3x10mm
ø3x10mm
(H2)x1
(J1)x5
ø3x10mm
ø3x10mm
(K1)x1
ø3x10mm
ø3x10mm
(F3)x1
Display PWB
Headphones
PWB
PWB
Open
Cassette
Holder
Holder
Tape
Mechanism
Mechanism
Turntable
Disc Tray
(L2) x1
CD Player Unit
(L1) x2
1
3
2
(M1) x3
(M1) x3
(N3) x2
(N2) x2
(N3) x2
CD Servo
PWB
CD Player
Base
(N1)x1
ø3x8mm
ø3x8mm
– 11 –
CD-BA2000H
CP-BA2000H
1
Front Panel
1. Net .......................... (A1) x1
11-2
2. Rubber ................... (A2) x4
3. Screw ..................... (A3) x4
4. Tip .......................... (A4) x2
3. Screw ..................... (A3) x4
4. Tip .......................... (A4) x2
11-3
2
Woofer
1. Screw ..................... (B1) x4
11-3
3
Subwoofer
1. Screw .................... (C1) x4
11-3
4
Tweeter
1. Screw .................... (D1) x2
11-3
5
Super Tweeter
1. Screw .................... (E1) x2
11-3
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 11-2
(A1)x1
(A2)x4
(A3)x4
ø4x20mm
ø4x20mm
Screw
Driver
Driver
Driver should
be pried away
from Speaker
Box.
be pried away
from Speaker
Box.
Front
Panel
Panel
(D1)x2
ø3x10mm
ø3x10mm
(C1)x4
ø4x16mm
ø4x16mm
(E1)x2
ø3x10mm
ø3x10mm
(B1)x4
ø4x16mm
ø4x16mm
(A4)x2
Super
Tweeter
Tweeter
Tweeter
Woofer
Subwoofer
Figure 11-3
Figure 11-1
(P2) x3
(P1) x1
(Q1) x5
(P1) x1
Loading
Motor
PWB
Motor
PWB
CD
Mechanism
Mechanism
CD-BA2000H
– 12 –
REMOVING AND REINSTALLING THE MAIN PARTS
TAPE MECHANISM SECTION
Perform steps 1 to 7 and 9 of the disassembly method to
remove the tape mechanism.
remove the tape mechanism.
How to remove the record/playback and erase
heads (TAPE 2) (See Fig. 12-1)
heads (TAPE 2) (See Fig. 12-1)
1. When you remove the screw (A1) x 2 pcs., the recording/
playback head and three-dimensional head of the erasing
head can be removesd.
head can be removesd.
How to remove the playback head (TAPE 1)
(See Fig. 12-2)
(See Fig. 12-2)
1. When you remove the screw (B1) x 2 pcs., the playback
head.
How to remove the pinch roller (TAPE 1/2)
(See Fig. 12-3)
(See Fig. 12-3)
1. Carefully push the inside claw to remove it. The pinch roller
pawl in the direction of the arrow <A>, and remove the pinch
roller (C1) upwards.
roller (C1) upwards.
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 (TAPE 1) (See Fig. 12-4)
1. Remove the main belt (D1) x 1 pc., from the motor side.
2. Remove the FF/REW belt (D2) x 1 pc.
2. Remove the FF/REW belt (D2) x 1 pc.
How to remove the belt (TAPE 2) (See Fig. 12-4)
1. Remove the main belt (E1) x 1 pc., from the motor side.
2. Remove the FF/REW belt (E2) x 1 pc.
2. Remove the FF/REW belt (E2) x 1 pc.
How to remove the motor (See Fig. 12-5)
1. Remove the screws (F1) x 2 pcs., to remove the motor.
Figure 12-1
Figure 12-2
Figure 12-3
Figure 12-4
Figure 12-5
TAPE2
TAPE1
Main Belt
(D1)x1
Main Belt
(D1)x1
TAPE2
Main Belt
(E1)x1
Main Belt
(E1)x1
TAPE1
Main Belt
FF/REW
Belt
(E2)x1
Belt
(E2)x1
FF/REW
Belt
(D2)x1
Belt
(D2)x1
Motor
Motor
(A1)x2
Ø2x9mm
Ø2x9mm
TAPE2
Record/Playback
Head
Head
Erase Head
(B1)x2
Ø2x9mm
Ø2x9mm
TAPE1
Playback
Head
Head
Pinch Roller
(C1)x1
(C1)x1
<A>
STEP1
STEP2
(F1) x2
Ø2.6x5mm
Motor
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