Sharp CD-PC651H (serv.man4) Service Manual ▷ View online
– 1 –
CD-PC671H/651H
No. S5930CDPC671H
CD-PC671H
• 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-PC671H mini component system consisting of CD-PC671H (main
unit), CP-C671H (front speakers), CP-SW671H (sub woofer),
GBOXS0026AWM1 (center speaker) and GBOXS0027AWM1
(surround speakers).
unit), CP-C671H (front speakers), CP-SW671H (sub woofer),
GBOXS0026AWM1 (center speaker) and GBOXS0027AWM1
(surround speakers).
Illustration: CD-PC671H
CD-PC651H
CD-PC651H mini component system consisting of CD-PC651H (main
unit), CP-C651H (front speakers), GBOXS0026AWM1 (center speaker)
and GBOXS0027AWM1 (surround speakers).
unit), CP-C651H (front speakers), GBOXS0026AWM1 (center speaker)
and GBOXS0027AWM1 (surround speakers).
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES ( FOR U.K. ONLY) ......................................................................................................... 2
SPECIFICATIONS .............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 11
ADJUSTMENT ................................................................................................................................................................. 11
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 18
BLOCK DIAGRAM ........................................................................................................................................................... 19
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 22
VOLTAGE ........................................................................................................................................................................ 46
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 47
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 48
FUNCTION TABLE OF IC ................................................................................................................................................ 53
FL DISPLAY ...................................................................................................................................................................... 60
WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY) ......................................................................................... 61
PARTS GUIDE/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
IMPORTANT SERVICE NOTES ( FOR U.K. ONLY) ......................................................................................................... 2
SPECIFICATIONS .............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 11
ADJUSTMENT ................................................................................................................................................................. 11
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 18
BLOCK DIAGRAM ........................................................................................................................................................... 19
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 22
VOLTAGE ........................................................................................................................................................................ 46
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 47
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 48
FUNCTION TABLE OF IC ................................................................................................................................................ 53
FL DISPLAY ...................................................................................................................................................................... 60
WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY) ......................................................................................... 61
PARTS GUIDE/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
DIFFERENCE BETWEEN CD-PC671H AND CD-PC651H
CD-PC671H
CD-PC651H
Sub woofer
Illustration: CD-PC651H
• 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-PC671H/PC651H
– 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.
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
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
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.
ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE
INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
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.
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.
(For U.K.)
(Except for U.K.)
– 3 –
CD-PC671H/651H
●
General
Power source:
AC 230 V, 50 Hz
Power consumption:
140 W
Dimensions:
Width; 270 mm (10-5/8")
Height; 300 mm (11-13/16")
Depth; 362 mm (14-1/4")
Height; 300 mm (11-13/16")
Depth; 362 mm (14-1/4")
Weight:
8.1 kg (17.7 lbs.)
●
Amplifier section
Output power:
Front speakers;
RMS; 80 W (40 W + 40 W)
(10 % T.H.D.)
RMS; 72 W (36 W + 36 W)
(0.9 % T.H.D.)
Center speaker;
RMS; 20 W (10 % T.H.D)
RMS; 14 W (0.9 % T.H.D)
Surround speakers;
RMS; 20 W (10 W + 10 W)
(10 % T.H.D.)
RMS; 14 W (7 W + 7 W)
(0.9 % T.H.D.)
Sub woofer;
RMS; 40 W (10 % T.H.D)
RMS; 32 W (0.9 % T.H.D)
RMS; 80 W (40 W + 40 W)
(10 % T.H.D.)
RMS; 72 W (36 W + 36 W)
(0.9 % T.H.D.)
Center speaker;
RMS; 20 W (10 % T.H.D)
RMS; 14 W (0.9 % T.H.D)
Surround speakers;
RMS; 20 W (10 W + 10 W)
(10 % T.H.D.)
RMS; 14 W (7 W + 7 W)
(0.9 % T.H.D.)
Sub woofer;
RMS; 40 W (10 % T.H.D)
RMS; 32 W (0.9 % T.H.D)
Output terminals:
Front speakers; 6 ohms
Centre speaker; 4 ohms
Surround speakers; 8 ohms
Sub woofer; 6 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
CD digital output (optical)
Centre speaker; 4 ohms
Surround speakers; 8 ohms
Sub woofer; 6 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
CD digital output (optical)
Input terminals:
Video/Auxiliary (audio signal)
×
2; 500 mV/47 kohms
●
Compact disc player section
Type:
3-disc multi-play compact disc
player
player
Signal readout:
Non-contact, 3-beam semi-
conductor laser pickup
conductor laser pickup
D/A converter:
1-bit D/A converter
Frequency 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:
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:
0.15 % (WRMS)
●
Front speaker section
Type:
3-way type [13 cm (5-1/4") woofer,
5 cm (2") tweeter and super tweeter]
5 cm (2") tweeter and super tweeter]
Maximum input power: 80 W
Rated input power:
Rated input power:
40 W
Impedance:
6 ohms
Dimensions:
Width; 200 mm (7-7/8")
Height; 300 mm (11-13/16")
Depth; 254 mm (10")
Height; 300 mm (11-13/16")
Depth; 254 mm (10")
Weight:
2.9 kg (6.3 lbs.)/each
●
Front speaker section
Type:
2-way type [13 cm (5-1/4") woofer
and 5 cm (2") tweeter]
and 5 cm (2") tweeter]
Maximum input power: 60 W
Rated input power:
Rated input power:
30 W
Impedance:
6 ohms
Dimensions:
Width; 200 mm (7-7/8")
Height; 300 mm (11-13/16")
Depth; 240 mm (9-7/16")
Height; 300 mm (11-13/16")
Depth; 240 mm (9-7/16")
Weight:
2.9 kg (6.3 lbs.)/each
●
Center speaker section
Type:
10 cm (4") full-range speaker
Maximum input power: 40 W
Rated input power:
Rated input power:
20 W
Impedance:
4 ohms
Dimensions:
Width; 260 mm (10-1/4")
Height; 140 mm (5-1/2")
Depth; 155 mm (6-1/8")
Height; 140 mm (5-1/2")
Depth; 155 mm (6-1/8")
Weight:
0.9 kg (2.0 lbs.)
●
Surround speaker section
Type:
10 cm (4") full-range speaker
Maximum input power: 20 W
Rated input power:
Rated input power:
10 W
Impedance:
8 ohms
Dimensions:
Width; 170 mm (6-3/4")
Height; 88 mm (3-1/2")
Depth; 170 mm (6-3/4")
Height; 88 mm (3-1/2")
Depth; 170 mm (6-3/4")
Weight:
0.5 kg (1.0 lbs.)/each
●
Sub woofer section (CD-PC671H Only)
Type:
13 cm (5-1/4") full-range speaker
Maximum input power: 80 W
Rated input power:
Rated input power:
40 W
Impedance:
6 ohms
Dimensions:
Width; 200 mm (7-7/8")
Height; 300 mm (11-13/16")
Depth; 310 mm (12-3/8")
Height; 300 mm (11-13/16")
Depth; 310 mm (12-3/8")
Weight:
3.4 kg (7.5 lbs.)
Specifications for this model are subject to change without
prior notice.
prior notice.
SPECIFICATIONS
CD-PC671H/651H
CP-C671H
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
CP-SW671H
GBOXS0026AWM1
GBOXS0027AWM1
CP-C651H
CD-PC671H/PC651H
– 4 –
NAMES OF PARTS
CD-PC671H/651H
■
Front panel
1
1.
Disc Number Selector Buttons
1
2.
Disc Tray
1
3.
Multi Indicator
1
4.
Disc Skip Button
1
5.
Open/Close Button
1
6.
Dolby Pro Logic Indicator
1
7.
RDS Indicator
1
8.
Programme Type Indicator
1
9.
Traffic Information Indicator
10.
Extra Bass Indicator
11.
FM Stereo Mode Indicator
12.
FM Stereo Indicator
13.
Traffic Programme Indicator
14.
Traffic Announcement Indicator
15.
(CD) Play Indicator
16.
(CD) Pause Indicator
17.
Dynamic PTY Indicator
18.
EON Indicator
19.
(CD) Repeat Indicator
20.
(CD) Disc Number Indicators
21.
(CD/TUNER) Memory Indicator
22.
Timer Play Indicator
23.
Timer Record Indicator
24.
Spectrum Analyzer/Volume Level Indicator
25.
(TAPE 2) Record Indicator
26.
Sleep Indicator
27.
Timer Set Indicator
28.
(TUNER) Display Mode Selector Button
29.
(TUNER) Station Selector Button
30.
(TAPE 2) Record Pause Button
31.
(CD) Track Down/Review Button
3
(TUNER) Preset Down Button
3
(TAPE 2) Rewind Button
32.
(CD) Track Up/Cue Button
3
(TUNER) Preset Up Button
3
(TAPE 2) Fast Forward Button
33.
Bypass Button
34.
Normal Button
35.
Timer/Sleep Button
36.
Clock Button
37.
(TUNER) Programme Type/Traffic Information
Search Button
Search Button
38.
(TUNER) EON Button
39.
(TUNER) ASPM Button
40.
On/Stand-by Button
41.
Equalizer Mode Selector Button
42.
Dimmer Button
43.
Phantom Button
44.
Extra Bass/Demo Mode Button
45.
Volume Control
46.
Headphone Socket
47.
Function Selector Buttons
48.
Memory/Set Button
49.
(CD/TAPE) Stop Button
50.
(TAPE) Play Button
3
(CD) Play/Repeat Button
51.
Tuning and Time Up/Down Buttons
52.
Sub Woofer Volume Control
53.
(TAPE 1) Cassette Compartment
54.
(TAPE 2) Cassette Compartment
25 26
2
3
5
22
52
1
4
16
37
36
35
9
13
17 18 19
24
21
23
20
7
10
8
11
12
14
15
6
27 28 29
50
45
46 47 48
30 31
40
44
43
42
39
38
41
32 33 34
49
51
54
53