Sharp CD-BA3000 (serv.man3) Service Manual ▷ View online
– 5 –
CD-BA3000H
■
Rear panel
0
1
. AC Power Lead
0
2
. CD Digital Output Socket
0
3
. FM 75 Ohms Aerial Socket
0
4
. AM Loop Aerial Socket
0
5
. Video/Auxiliary (Audio Signal) Input Sockets
0
6
. Speaker Terminals
1
1
. Super Tweeter
1
2
. Tweeter
1
3
. Woofer
1
4
. Bass Reflex Duct
1
5
. Speaker Terminals
■
Remote control
1
1
. Remote Control Transmitter LED
●
CD control section
1
2
. Disc Number Select Buttons
1
3
. Memory Button
1
4
. Pause Button
1
5
. Clear Button
1
6
. Track Down/Review Button
1
7
. Track Up/Cue Button
1
8
. Disc Skip Button
1
9
. Play/Repeat Button
10
. Stop Button
11
. Random Button
●
Tuner control section
12
. Preset Up/Down Buttons
●
Tape control section
13
. (TAPE 1) Play Button
14
. (TAPE 2) Record Pause Button
15
. (TAPE 1/2) Stop Button
16
. (TAPE 2) Play Button
17
. (TAPE 2) Rewind Button
18
. (TAPE 2) Fast Forward Button
●
Common section
19
. Equalizer Mode Selector Button
20
. Function Selector Buttons
21
. On/Stand-by Button
22
. Extra Bass Button
23
. Volume Up/Down Buttons
1
8
3
4
10
9
5
6
7
6
7
11
12
13 14
16 17 18
20
21
23
2
15
22
19
CP-BA3000H
CD-BA3000H
CD-BA3000H
– 6 –
OPERATION MANUAL
SETTING THE CLOCK
In this e
xample
,
the cloc
k
is set f
or
the 24-hour (0:00) system.
1
Press the ON/ST
AND-BY
b
utton
to enter the stand-b
y
mode
.
2
Press the CLOCK b
utton.
3
W
ithin 5 seconds
,
press the MEMORY/SET
b
utton.
4
Press the
TUNING/TIME (
or
) b
utton
to select the time
displa
y mode
.
“0:00”
→
The 24-hour displa
y
will appear
.
(0:00 - 23:59)
“AM 0:00”
→
The 12-hour displa
y
will appear
.
(AM 0:00 - PM 1
1:59)
“AM 12:00”
→
The 12-hour displa
y
will appear
.
(AM 12:00 - PM 1
1:59)
●
Note that this can only be set when the unit is first in-
stalled or it has been reset.
5
Press the MEMOR
Y/SET
b
utton.
6
Press the
TUNING/TIME (
or
) b
utton
to adjust the hour
.
●
Press the
TUNING/TIME (
or
) b
utton
once to ad-
v
ance
the time b
y
1 hour
.
Hold it do
wn
to adv
ance
con-
tin
uously
.
●
When the 12-hour displa
y
is selected, “AM”
will change
automatically to
“PM”.
7
Press the MEMOR
Y/SET
b
utton.
8
Press the
TUNING/TIME (
or
) b
utton
to adjust the min-
utes
.
●
Press the
TUNING/TIME (
or
) b
utton
once to ad-
v
ance
the time b
y
1 min
ute
.
Hold it do
wn
to change the
time in 5
min
ute
inter
v
als
.
●
The hour setting will not adv
ance
e
v
en
if min
utes
adv
ance
from “59”
to “00”.
9
Press the MEMOR
Y/SET
b
utton.
●
The cloc
k
star
ts
oper
ating
from “0”
second.
(Seconds are not
displa
y
ed.)
And then the cloc
k
displa
y
will disappear after a f
e
w
sec-
onds
.
T
o
see the time displa
y:
Press the CLOCK b
utton.
●
The time displa
y
will appear f
or
about 5 seconds
.
Note:
●
The cloc
k
displa
y
will flash on and of
f at the push of the
CLOCK b
utton
when the
A
C
po
w
er
supply is restored after
a po
w
er
failure
occurs or after the
A
C
po
w
er
lead is discon-
nected.
If this happens
,
follo
w
the procedure belo
w
to change the
cloc
k time
.
T
o
c
hang
e the c
loc
k
time:
1
Press the CLOCK b
utton.
2
W
ithin 5 seconds
,
press the MEMORY/SET
b
utton.
3
P
erf
or
m
steps 6 - 9 abo
v
e
.
T
o
c
hang
e the time displa
y
mode:
1
P
erf
or
m
steps 1 - 2 in the section “RESETTING
THE MI-
CR
OCOMPUTER”.
2
P
erf
or
m
steps 1 - 9 abo
v
e
.
(Main unit oper
ation)
0.2 m - 6 m
(8" - 20’)
■
Remote contr
ol
Notes concerning use:
●
Replace the batter
ies
if the oper
ating
distance is reduced or
if the oper
ation
becomes err
atic.
●
P
e
riodically
clean the tr
ansmitter
LED on the remote con-
trol and the sensor on the main unit with a soft cloth.
●
Exposing the sensor on the main unit to strong light ma
y
interf
ere
with oper
ation.
Change the lighting or the direction
of the unit.
●
K
eep
the remote control a
w
a
y
from moisture
,
e
xcessiv
e
heat,
shoc
k, and
vibr
ations
.
PREP
ARA
TION FOR USE
RESETTING THE MICR
OCOMPUTER
Reset the micr
ocomputer
under the f
ollo
wing
con-
ditions:
●
T
o
er
ase
all of the stored memor
y
contents (cloc
k
and timer
settings
,
and tuner and CD presets).
●
If the displa
y
is not correct.
●
If the oper
ation
is not correct.
1
Press the ON/ST
AND-BY
b
utton
to enter the stand-b
y
mode
.
2
Whilst pressing do
wn
the
b
utton
and the X-BASS/
DEMO b
utton,
hold do
wn
the ON/ST
AND-BY
b
utton
for
at
least 1 second.
●
“CLEAR AL
”
will
appear
.
Caution:
●
The oper
ation
e
xplained
abo
v
e
will er
ase
all data stored in
memor
y
including cloc
k
and timer settings
,
and tuner and
CD presets
.
– 7 –
CD-BA3000H
Lock Lever
CD Player Unit
(Bottom View)
(Bottom View)
(C3)x1
(D1)x2
ø3x10mm
ø3x10mm
CD Player
Unit
Unit
CD Tray Cover
Pull
(C3) x1
(C4)x3
1
1
2
CD Servo
PWB
PWB
(C1)x1
ø3x10mm
ø3x10mm
(D1)x6
ø3x10mm
ø3x10mm
Power Supply
PWB
PWB
(D2)x1
Rear
Panel
Panel
Main PWB
(C2) x2
(C2) x1
(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
1
Top Cabinet
1. Screw ..................... (A1) x4
7-1
2
Side Panel
1. Screw ..................... (B1) x8
7-1
(Left/Right)
3
CD Player Unit/
1. Turn on the power supply,
7-2
CD Tray Cover
open the disc tray, take out
the CD tray cover, and close.
(Note 1)
2. Screw ..................... (C1) x1
3. Hook ....................... (C2) x3
4. Hook ....................... (C3) x2
5. Connector .............. (C4) x3
the CD tray cover, and close.
(Note 1)
2. Screw ..................... (C1) x1
3. Hook ....................... (C2) x3
4. Hook ....................... (C3) x2
5. Connector .............. (C4) x3
4
Rear Panel with
1. Screw ..................... (D1) x8
7-2
Fan Motor
2. Connector .............. (D2) x1
5
Main PWB
1. Screw ..................... (E1) x1
8-2
2. Connector .............. (E2) x3
3. Tip Wire .................. (E3) x1
4. Flat Cable ............... (E4) x1
3. Tip Wire .................. (E3) x1
4. Flat Cable ............... (E4) x1
6
Power Supply PWB 1. Screw ..................... (F1) x6
8-3
2. Connector .............. (F2) x3
3. Flat Wire ................. (F3) x1
4. Holder .................... (F4) x2
3. Flat Wire ................. (F3) x1
4. Holder .................... (F4) x2
7
Front Panel
1. Screw ..................... (G1) x2
8-3
2. Hook ....................... (G2) x2
8
Volume Motor
1. Knob ....................... (H1) x1
8-4
Ass'y/
2. Screw ..................... (H2) x4
Volume Motor
3. Connector .............. (H3) x1
4. Belt ......................... (H4) x1
5. Screw ..................... (H5) x2
5. Screw ..................... (H5) x2
9
Switch PWB
1. Screw ..................... (J1) x2
8-4
2. Bracket ................... (J2) x1
10
Display PWB/
1. Screw ..................... (K1) x5
8-4
Headphones PWB 2. Bracket ................... (K2) x1
3. Flat Cable ............... (K3) x1
11
Tape Mechanism 1. Open the cassette holder.
8-4
2. Screw...................... (L1) x5
12
Turntable
1. Hook ....................... (M1) x2
8-5
2. Cover ..................... (M2) x1
13
Disc Tray
1. Turn fully the lock lever in the
7-3
arrow direction.
2. While holding the lock lever,rotate
8-1
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
8-6
engage the claw with the groove
and remove it in the direction
of the arrow. ............... (N1) x6
and remove it in the direction
of the arrow. ............... (N1) x6
14
CD Servo PWB
1. Hook ....................... (P1) x2
9-1
(Note 2)
2. Socket .................... (P2) x4
15
CD Mechanism
1. Hook ....................... (Q1) x2
9-2
2. Hook ....................... (Q2) x3
16
Loading Motor PWB 1. Hook ....................... (R1) x5
9-2
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 to
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 sufficient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 7-2
Figure 7-3
CD-BA3000H
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 7-1
CD-BA3000H
Note 1: How to open the changer manually. (Fig. 7-3)
1. In this state, turn fully the lock lever in the arrow direction through
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. 8-1)
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 electro-
static damage.
of the connector so as to protect the optical pickup from electro-
static 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.
CD-BA3000H
– 8 –
1
3
2
(N1) x3
(N1) x3
Disc Tray
Turntable
Disc Tray
(M2) x1
CD Player Unit
(M1) x2
Headphones
PWB
PWB
(K2)x1
(K3)x1
(H2)x4
ø3x12mm
ø3x12mm
(H5)x2
ø2x5mm
ø2x5mm
(H3)x1
(H1)x1
(H4)x1
Volume
Motor
Ass'y
Motor
Ass'y
Volume
Motor
Motor
(L1)x5
ø3x10mm
ø3x10mm
(K1)x5
ø3x10mm
ø3x10mm
(J1)x2
ø3x10mm
ø3x10mm
(J2)x1
Display PWB
Switch PWB
Open
Cassette
Holder
Holder
Tape
Mechanism
Mechanism
(F1)x4
ø3x10mm
ø3x10mm
(G1)x2
ø3x10mm
ø3x10mm
(F2)x3
(F3)x1
(G2)x1
(F4)x1
Push
Power
Supply
PWB
Supply
PWB
Headphones
PWB
PWB
Display
PWB
PWB
(F1)x2
ø3x6mm
ø3x6mm
(G2)x1
(F4)x1
Power
Transformer
PWB
Transformer
PWB
(E2)x2
(E4)x1
(E3)x1
Main PWB
Power
Supply
PWB
Supply
PWB
Power
Supply
PWB
Supply
PWB
(E2)x1
(E1)x1
ø3x10mm
ø3x10mm
Clamp Lever
Cam Gear Rib
CD Player Unit
(Top View)
(Top View)
Figure 8-1
Figure 8-2
Figure 8-3
Figure 8-4
Figure 8-5
Figure 8-6
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