Read Sharp CD-BA2000 (serv.man6) Service Manual online
– 1 –
CD-BA2000H
No. S3020CDBA2000
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES (FOR U.K. ONLY) .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ..................................................................................................................................................... 6
QUICK GUIDE (FOR U.K. ONLY) ...................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 19
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 20
BLOCK DIAGRAM ........................................................................................................................................................... 21
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 24
VOLTAGE ........................................................................................................................................................................ 42
TROUBLESHOOTING ..................................................................................................................................................... 43
FUNCTION TABLE OF IC ................................................................................................................................................ 47
FL DISPLAY ...................................................................................................................................................................... 53
WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY) ........................................................................................ 54
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
IMPORTANT SERVICE NOTES (FOR U.K. ONLY) .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ..................................................................................................................................................... 6
QUICK GUIDE (FOR U.K. ONLY) ...................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 19
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 20
BLOCK DIAGRAM ........................................................................................................................................................... 21
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 24
VOLTAGE ........................................................................................................................................................................ 42
TROUBLESHOOTING ..................................................................................................................................................... 43
FUNCTION TABLE OF IC ................................................................................................................................................ 47
FL DISPLAY ...................................................................................................................................................................... 53
WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY) ........................................................................................ 54
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
CD-BA2000H
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
used.
SERVICE MANUAL
SHARP CORPORATION
CD-BA2000H Mini Component System consisting of
CD-BA2000H (main unit) and CP-BA2000H (speaker system).
CD-BA2000H (main unit) and CP-BA2000H (speaker system).
• Note for users in U.K.
Recording and playback of any material may require consent
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Prefomers Protection Act 1956, the Preformers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Prefomers Protection Act 1956, the Preformers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
CD-BA2000H
– 2 –
SAFETY PRECAUTION FOR
SERVICE MANUAL
Precaution to be taken when replacing and servicing the
Laser Pickup.
Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output
for this model is specified to be lower than Class I Requirements.
However, the following precautions must be observed during
servicing to protect your eyes against exposure to the Laser
beam.
for this model is specified to be lower than Class I Requirements.
However, the following precautions must be observed during
servicing to protect your eyes against exposure to the Laser
beam.
(1) When the cabinet has been removed, the power is turned
on without a compact disc, and the Pickup is on a position
outer than the lead-in position, the Laser will light for several
seconds to detect a disc. Do not look into the Pickup Lens.
outer than the lead-in position, the Laser will light for several
seconds to detect a disc. Do not look into the Pickup Lens.
(2) The Laser Power Output of the Pickup inside the unit and
replacement service parts have already been adjusted prior
to shipping.
to shipping.
(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup Lens
at any time.
(5) CAUTION - Use of controls or adjustments, or performance
of procedures other than those specified herein may result
in hazardous radiation exposure.
in hazardous radiation exposure.
IMPORTANT SERVICE NOTES (FOR U.K. ONLY)
Before returning the unit to the customer after completion of a
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.
Set name
set value
Withstanding Voltage Tester
Test voltage
4,240 VPEAK
3,000 VRMS
3,000 VRMS
Set time
6 secs
Set current(Cutoff current)
4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzor sounds.
NG: The “NG” lamp lights and the buzzor sounds.
(For U.K.)
(Except for U.K.)
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND
TO GND
OF CHASSIS
SCREW
PROBE
AC
UNIT
WITHSTANDING
VOLTAGE TESTER
VOLTAGE TESTER
+
-
OUT
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO
BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA
EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.
EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING VED ABNING. SE IKKE IND I
STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NAKYMATON LASERSATEILYLLE.
ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.
ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD.
STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT
INSTRUMENT.
STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT
INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE
INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
VAROITUS! LAITTEEN KéYT Té MINEN MUULLA KUIN
TéSSé
KéYTTô OHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KéY TTéJ éN T URVALLISUUSLUOKAN 1
YLITTéVéLLE NéKYMéTTôMéLLE LASERSéTEILYLLE.
TéSSé
KéYTTô OHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KéY TTéJ éN T URVALLISUUSLUOKAN 1
YLITTéVéLLE NéKYMéTTôMéLLE LASERSéTEILYLLE.
VARNING - OM APPARATEN ANVéNDS Pè ANNAT SéTT
éN I DENNA BRUKSANVISNING SPECIFICERAS. KAN
A NV é N DA RE N UT S é T T AS Fô R OSY NLI G
LASERSTRèLNING, SOM ôVERSKRIDER GRéNSEN FôR
LASERKLASS 1.
éN I DENNA BRUKSANVISNING SPECIFICERAS. KAN
A NV é N DA RE N UT S é T T AS Fô R OSY NLI G
LASERSTRèLNING, SOM ôVERSKRIDER GRéNSEN FôR
LASERKLASS 1.
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
CHASSIS SCREW
– 3 –
CD-BA2000H
●
General
Power source:
AC 230 V, 50 Hz
Power consumption:
154 W
Dimensions:
Width; 270 mm (10-5/8")
Height; 330 mm (13")
Depth; 355 mm (14")
Height; 330 mm (13")
Depth; 355 mm (14")
Weight:
8.7 kg (19.2 lbs.)
●
Amplifier section
Output power:
(For U.K.)
(For U.K.)
RMS; 200 W (100 W + 100 W )
(10% T.H.D)
[Main speaker (woofer,
tweeter and super tweeter);
80 W (40 W + 40 W),
Subwoofer;
120 W (60 W + 60 W)]
RMS; 184 W (92 W + 92 W )
(0.9% T.H.D)
[Main speaker (woofer,
tweeter and super tweeter);
74 W (37 W + 37 W),
Subwoofer;
110 W (55 W + 55 W)]
(10% T.H.D)
[Main speaker (woofer,
tweeter and super tweeter);
80 W (40 W + 40 W),
Subwoofer;
120 W (60 W + 60 W)]
RMS; 184 W (92 W + 92 W )
(0.9% T.H.D)
[Main speaker (woofer,
tweeter and super tweeter);
74 W (37 W + 37 W),
Subwoofer;
110 W (55 W + 55 W)]
Output terminals:
Speakers; 6 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
Headphones; 16-50 ohms
(recommended; 32 ohms)
Input terminals:
Video/Auxiliary (audio signal);
500 mV/47 kohms
500 mV/47 kohms
●
Compact disc player section
Type:
3-disc multi-play compact
disc player
disc player
Signal readout:
Non-contact, 3-beam semi-
conductor laser pickup
conductor laser pickup
D/A converter:
1-bit D/A converter
Frequency
response:
response:
20 - 20,000 Hz
Dynamic range:
90 dB (1 kHz)
●
Tuner section
Frequency range:
FM; 87.5-108 MHz
AM; 522-1,620 kHz
AM; 522-1,620 kHz
●
Cassette deck section
Frequency response:
50-14,000 Hz (Normal tape)
Signal/noise ratio:
55 dB (TAPE 1, playback)
50 dB (TAPE 2, recording/playback)
50 dB (TAPE 2, recording/playback)
Wow and flutter:
(For U.K.)
(For U.K.)
0.3 % (WRMS)
●
Speaker section
Type:
4-way type [13 cm (5-1/4") sub-
woofer, 13 cm (5-1/4") woofer,
5 cm (2") tweeter and super tweeter]
woofer, 13 cm (5-1/4") woofer,
5 cm (2") tweeter and super tweeter]
Maximum input power
(Total):
(Total):
200 W
Rated input power
(Total):
(Total):
100 W
Impedance:
6 ohms
Dimensions:
Width; 270 mm (10-5/8")
Height; 330 mm (13")
Depth; 264.6 mm (10-3/8")
Height; 330 mm (13")
Depth; 264.6 mm (10-3/8")
Weight:
4.7 kg (10.3 lbs.)/each
Output power:
(Except For U.K.)
(Except For U.K.)
PMPO; 668 W
MPO; 334 W (167 W + 167 W )
(DIN 45 324)
[Main speaker (woofer, tweeter
and super tweeter);
134 W (67 W + 67 W),
Subwoofer;
200 W (100 W + 100 W)]
RMS; 200 W (100 W + 100 W )
(DIN 45 324)
[Main speaker (woofer, tweeter
and super tweeter);
80 W (40 W + 40 W),
Subwoofer;
120 W (60 W + 60 W)]
RMS; 184 W (92 W + 92 W )
(DIN 45 500)
[Main speaker (woofer, tweeter
and super tweeter);
74 W (37 W + 37 W),
Subwoofer;
110 W (55 W + 55 W)]
MPO; 334 W (167 W + 167 W )
(DIN 45 324)
[Main speaker (woofer, tweeter
and super tweeter);
134 W (67 W + 67 W),
Subwoofer;
200 W (100 W + 100 W)]
RMS; 200 W (100 W + 100 W )
(DIN 45 324)
[Main speaker (woofer, tweeter
and super tweeter);
80 W (40 W + 40 W),
Subwoofer;
120 W (60 W + 60 W)]
RMS; 184 W (92 W + 92 W )
(DIN 45 500)
[Main speaker (woofer, tweeter
and super tweeter);
74 W (37 W + 37 W),
Subwoofer;
110 W (55 W + 55 W)]
Wow and flutter:
(Except For U.K.)
(Except For U.K.)
0.35 % (DIN 45 511, playback)
Specifications for this model are subject to change without
prior notice.
prior notice.
SPECIFICATIONS
CD-BA2000H
CP-BA2000H
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
CD-BA2000H
– 4 –
NAMES OF PARTS
CD-BA2000H
1
6
7
8
25
2
4
5
14
10
12 13
19
22
18
3
3
9
11
24
23
20
21
15 16 17
52
51
■
Front panel
1
1.
(CD) Disc Tray
1
2.
Extra Bass Indicator
1
3.
Spectrum Analyzer/Volume Level Indicator
1
4.
(CD) Disc Number Indicators
1
5.
(CD/TUNER) Memory Indicator
1
6.
(TAPE 2) Record Indicator
1
7.
(CD) Play Indicator
1
8.
(CD) Music Schedule Indicators
1
9.
(CD) More Tracks Indicator
10.
(CD) Random Play Indicator
11.
(CD) Pause Indicator
12.
(TAPE) Play Indicator
13.
(CD) Repeat Indicator
14.
Dynamic PTY Indicator
15.
Programme Type Indicator
16.
Traffic Information Indicator
17.
EON Indicator
18.
Traffic Programme Indicator
19.
Sleep Indicator
20.
RDS Indicator
21.
FM Stereo Mode Indicator
22.
Traffic Announcement Indicator
23.
FM Stereo Indicator
24.
Timer Record Indicator
25.
Timer Play Indicator
26.
(TUNER) Programme Type/Traffic Information
Search Button
Search Button
27.
(TUNER) EON Button
28.
(TUNER) ASPM Button
29.
(TUNER) Display Mode Selector Button
30.
(TUNER) Station Selector Button
31.
(CD) Track Up/Cue Button
3
(TUNER) Preset Up Button
3
(TAPE 2) Fast Forward Button
32.
Equalizer Mode Selector Button
33.
Timer Set Indicator
34.
On/Stand-by Button
35.
Timer/Sleep Button
36.
Clock Button
37.
Function Selector Buttons
38.
Headphone Socket
39.
Dimmer Button
40.
Volume Control
41.
(CD) Disc Number Select Buttons
42.
(CD) Open/Close Button
43.
Tuning and Time Up/Down Buttons
44.
Memory/Set Button
45.
(TAPE 2) Record Pause Button
46.
(CD) Track Down/Review Button
3
(TUNER) Preset Down Button
3
(TAPE 2) Rewind Button
47.
(CD/TAPE) Stop Button
48.
(CD) Play/Repeat Button
3
(TAPE) Play Button
49.
Extra Bass/Demo Mode Button
50.
(CD) Disc Skip Button
51.
(TAPE 1) Cassette Compartment
52.
(TAPE 2) Cassette Compartment
40
30
34
35
36
37
38
39
41
43
46 47 48 49 50
44 45
26
29
31
28
27
32
33
42