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Model
CD-BA160 (serv.man4)
Pages
19
Size
788.24 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 1 - text
File
cd-ba160-sm4.pdf
Date

Sharp CD-BA160 (serv.man4) Service Manual ▷ View online

– 9 –
CD-BA160H/1700H
1
Top Cabinet
1. Screw ..................... (A1) x4
9-1
2
Side Panel
1. Screw ..................... (B1) x4
9-1
(Left/right)
2. Screw ..................... (B2) x4
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
6. Socket .................... (C5) x1
    (CD-BA1700H Only)
4
Rear Panel
1. Screw ..................... (D1) x5
9-2
Digital Output
2. Screw ..................... (D2) x1
9-2
PWB (CD-BA
1700H Only)
5
RDS PWB
1. Socket .................... (E1) x1
9-3
6
Main PWB
1. Socket .................... (F1) x4
9-3
2. Flat Wire ................. (F2) x1
3. Flat Cable .............. (F3) x1
4. Lug Wire ................. (F4) x1
5. Screw ..................... (F5) x3
6. Screw ..................... (F6) x2
7
Power PWB
1. Socket .................... (G1) x1
9-3
2. Screw ..................... (G2) x1
3. Screw ..................... (G3) x1
8
Front Panel
1. Screw ..................... (H1) x2
9-3
2. Hook ....................... (H2) x2
9
Display PWB
1. Screw ..................... (J1) x15
10-1
2. Flat Cable .............. (J2) x1
10
Tape Mechanism 1. Open the cassette holder.
10-1
2. Screw...................... (K1) x6
11
Headphones PWB 1. Screw ..................... (L1) x1
10-1
12
Turntable
1. Hook ....................... (M1) x2
10-2
2. Cover ..................... (M2) x1
13
Disc Tray
1. Turn fully the lock  lever in the
10-3
arrow direction.
2. While holding the lock lever,rotate
10-3
the cam gear until the cam gear
rib engages with the clamp lever.
3. Push the slide holder backward to
10-4
engage the claw with the groove
and remove it in the direction
of the arrow. .............. (N1) x6
14
CD Servo PWB
1. Screw ..................... (P1) x1
10-5
(Note 2)
2. Hook ....................... (P2) x3
3. Socket .................... (P3) x4
15
CD Mechanism
1. Hook ....................... (Q1) x2
10-6
2. Hook ....................... (Q2) x3
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
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.
4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 9-2
Figure 9-3
CD-BA160H/1700H
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 9-1
CD-BA160H/1700H
(B2)x4
ø3x12mm
(B1)x2
ø3x10mm
Rear
Panel
(B1)x2
ø3x10mm
Side Panel
(Right)
Side Panel
(Left)
(A1)x2
ø3x12mm
(A1)x2
ø3x12mm
Top Cabinet
Front Panel
(C3)x1
(C1)x1
ø3x12mm
(D1)x5
ø3x12mm
CD Player
Unit
CD Tray  Cover
Rear Panel
Pull
(C3) x1
(C4)x2
(C2) x3
1
1
2
Main PWB
CD Servo
PWB
Pull
Disc Tray
CD-BA1700H Only
Front 
Panel
Digital
Output PWB
(D2)x1
ø3x12mm
(CD-BA1700H
 Only)
(C5)x1
(H1)x2
ø3x10mm
(F6)x2
ø3x10mm
(F3)x1
(F4)x1
(F1)x3 
(F1)x1
Main PWB
(F2)x1
Headphones
PWB
(G2)x1
ø3x10mm
(E1)x1 
RDS 
PWB
Power 
PWB
(F2)x1
(G1)x1 
(G3)x1
ø3x10mm
Front Panel
(F5)x1
ø3x10mm
(F5)x2
ø3x10mm
Tape
Mechanism
Display PWB
Pull
(H2) x1
Pull
(H2) x1
Pull
CD-BA160H/1700H
– 10 –
Figure 10-2
Figure 10-3
Figure 10-4
Figure 10-5
Figure 10-6
Figure 10-1
Note 1:
How to open the changer manually. (Fig. 10-3)
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.
3.  After that, push forward the CD slide holder.
Note 2:
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.
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
movement.
Turntable
Disc Tray
(M2) x1
CD Player Unit
(M1) x2
Clamp 
Lever
Cam 
Gear Rib 
1
2
(N1) x3
(N1) x3
Disc Tray
CD Player Unit
(P3)x2
(P2)x3
(P3) x2
CD Servo
PWB
Disc Tray
(P1)x1
ø3x8mm
Lock Lever
CD Player
Unit
(Q2) x3
(Q1) x1
(Q1) x1
CD
Mechanism
Disc Tray
(J1)x15
ø3x10mm
(J2)x1
(K1)x6
ø3x10mm
(L1)x1
ø3x10mm
Display PWB
Open
Cassette
Holder
(Lift/Right)
Tape
Mechanism
Front Panel
Headphones 
PWB
Tape
Mechanism
PWB
– 11 –
CD-BA160H/1700H
CP-BA160H/1700H (Front Speaker)
1
Woofer/
1. Front Panel ............ (A1) x1
11-1
Sub Woofer
2. Screw ..................... (A2) x8
11-2
2
Tweeter
1. Screw ..................... (B1) x2
11-2
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 11-2
Figure 11-1
Figure 11-3
Screw
Driver
Driver should
be pried away
from Speaker
Box.
(A1)x1
Sperker
Box
GBOXS0041AWM1 (Surround Speaker)
CD-BA1700H Only
1
Speaker
1. Screw ..................... (C1) x6
11-3
STEP
REMOVAL
PROCEDURE
FIGURE
Bottom Cabinet
Speaker
Net Frame
(C1)x6
ø3x14mm
(A2)x4
ø4x12mm
(B1)x2
ø3x10mm
(A2)x4
ø4x12mm
Sub
Woofer
Woofer
Tweeter
Speaker
Box
CD-BA160H/1700H
– 12 –
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.
How to remove the record/playback and erase
heads (Tape 2) (See Fig. 12-1)
1. Carefully remove the record/playback head and erase head
screws (A1) x 2 pcs.
How to remove the playback head (Tape 1)
(See Fig. 12-2)
1. Carefully remove the playback head screws (B1) x 2 pcs.
How to remove the pinch roller (Tape1/2)
(See Fig. 12-3)
1. Carefully bend the pinch roller pawl in the direction of the
arrow <A>, and remove the pinch roller (C1) x1 pc., in the
direction of the arrow <B>.
Note:
When installing the pinch roller, pay attention to the spring
mounting position.
How to remove the belt (Tape 1/2)
(See Fig. 12-4)
1. Remove the motor.
2. Remove the main belt (D1) x 1 pc., from the motor side.
3. Remove the FF/REW belt (D2) x 1 pc.
4. Remove the main belt (E1) x 1 pc., from the motor side.
5. Remove the FF/REW belt (E2) x 1 pc.
Figure 12-1
Figure 12-2
Figure 12-3
Figure 12-4
(A1)x2
Ø2 x 9mm
TAPE2
Record/Playback
Head
Erase 
Head
(B1)x2
Ø2 x 9mm
TAPE1
Playback
Head
TAPE2
TAPE1
Main Belt
(E1)x1
TAPE2
Main Belt
(D1)x1
TAPE1
Main Belt
(D1)x1
FF/REW
Belt
(D2)x1
FF/REW
Belt
(E2)x1
Motor
Motor
Main Belt
(E1)x1
Pinch Roller
(C1)x1
<A>
Pinch 
Roller 
Pawl
Pull
<B>
Pull
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