Sharp CD-C470E (serv.man3) Service Manual ▷ View online
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
– 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.
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
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅANNAT SÄTTÄN I
DENNA BRUKSANVISNING SPECIFICERAS.
KANANVÄNDAREN UTSÄTTAS FÖR OSYNLIG
LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR
LASERKLASS 1.
DENNA BRUKSANVISNING SPECIFICERAS.
KANANVÄNDAREN UTSÄTTAS FÖR OSYNLIG
LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR
LASERKLASS 1.
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 TERMINAL
OF PHONO TERMINAL
TO GND TERMINAL
OF PHONO TERMINAL
PROBE
AC
UNIT
WITHSTANDING
VOLTAGE TESTER
VOLTAGE TESTER
+
-
OUT
OF CHASSIS
SCREW
IMPORTANT SERVICE NOTES (CD-C470E ONLY)
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 LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD. STIRRA
EJ IN I STRÅLEN OCH BETRAKTA EJ STRÅLEN MED OPTISKA INSTRUMENT.
EJ IN I STRÅLEN OCH BETRAKTA EJ STRÅLEN MED OPTISKA INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRÅLING VED ÅBNING. SE IKKE IND I
STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NÄKYMÄTÖN LASERSÄTEILYLLE.
ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN LAITTEEN LÄPI.
ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN LAITTEEN LÄPI.
VARNING-OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD.
STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM OPTISKT
INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES. STIRR IKKE
INN I STRÅLEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM OPTISKT
INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES. STIRR IKKE
INN I STRÅLEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
(CD-C470H/CD-C480H)
(CD-C470E)
CHASSIS
SCREW
SCREW
– 3 –
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
Cassette deck section
Type:
Compact cassette tape
Frequency response:
50 - 14,000 Hz (Normal tape)
50 - 15,000 Hz (CrO
50 - 15,000 Hz (CrO
2
tape)
Motor:
DC motor with electronic governor x 1
Signal/noise ratio:
55 dB (TAPE 1, playback)
50 dB (TAPE 2, recording/playback)
50 dB (TAPE 2, recording/playback)
Bias and erasure
system:
system:
AC
Tape speed:
4.76 cm/sec. (1-7/8 ips)
Wow and flutter:
0.2 % (DIN 45 511, playback)
(CD-C470H/C480H)
Wow and flutter:
Wow and flutter:
0.15 % (WRMS)
(CD-C470E)
Heads:
Heads:
TAPE-1: Playback x 1
TAPE-2: Record/playback x 1
TAPE-2: Record/playback x 1
Erase x 1
Type:
3-way type [130 mm (5-1/8") woofer,
50 mm (2") tweeter and super tweeter]
50 mm (2") tweeter and super tweeter]
Maximum input power: 50 W
Impedance:
Impedance:
8 ohms
Dimensions:
Width; 200 mm (7-7/8")
Height; 300 mm (11-13/16")
Depth; 252 mm (9-15/16")
Height; 300 mm (11-13/16")
Depth; 252 mm (9-15/16")
Weight:
2.7 kg (6.0 lbs.)/each
Type:
100 mm (4") full-range speaker
Maximum input power: 20 W
Impedance:
Impedance:
6 ohms
Dimensions:
Width; 262 mm (10-5/16")
Height; 145 mm (5-3/4")
Depth; 201 mm (7-15/16")
Height; 145 mm (5-3/4")
Depth; 201 mm (7-15/16")
Weight:
1.4 kg (3.1 lbs.)/each
Type:
100 mm (4") full-range speaker
Maximum input power: 10 W
Impedance:
Impedance:
12 ohms
Dimensions:
Width; 170 mm (6-3/4")
Height; 122 mm (4-13/16")
Depth; 176 mm (6-15/16")
Height; 122 mm (4-13/16")
Depth; 176 mm (6-15/16")
Weight:
0.7 kg (1.5 lbs.)/each
General
Power source:
AC 230 V, 50 Hz
Power consumption:
160 W
Dimensions:
Width; 270 mm (10-5/8")
Height; 300 mm (11-13/16")
Depth; 368 mm (14-1/2")
Height; 300 mm (11-13/16")
Depth; 368 mm (14-1/2")
Weight:
6.8 kg (15.0 lbs.)
Amplifier section
Output power:
PMPO; 300 W (total)
(CD-C470H/C480H)
(Front)
MPO; 110 W (55 W + 55 W) (DIN 45 324)
RMS; 50 W (25 W + 25 W) (DIN 45 324)
MPO; 110 W (55 W + 55 W) (DIN 45 324)
RMS; 50 W (25 W + 25 W) (DIN 45 324)
42 W (21 W + 21 W) (DIN 45 500)
(Center)
MPO; 20 W (DIN 45 324)
RMS; 10 W (DIN 45 324)
MPO; 20 W (DIN 45 324)
RMS; 10 W (DIN 45 324)
7 W (DIN 45 500)
(Surround)
MPO; 20 W (total) (DIN 45 324)
RMS; 10 W (total) (DIN 45 324)
MPO; 20 W (total) (DIN 45 324)
RMS; 10 W (total) (DIN 45 324)
7 W (total) (DIN 45 500)
(CD-C470E)
(Front)
MPO; 110 W (50 W + 50 W) (10 % T.H.D)
RMS; 50 W (25 W + 25 W) (10 % T.H.D)
MPO; 110 W (50 W + 50 W) (10 % T.H.D)
RMS; 50 W (25 W + 25 W) (10 % T.H.D)
42 W (21 W + 21 W) (0.9 % T.H.D)
(Center)
MPO; 20 W (10 % T.H.D)
RMS; 10 W (10 % T.H.D)
MPO; 20 W (10 % T.H.D)
RMS; 10 W (10 % T.H.D)
7 W (0.9 % T.H.D)
(Surround)
MPO; 20 W (total) (10 % T.H.D)
RMS; 10 W (total) (10 % T.H.D)
MPO; 20 W (total) (10 % T.H.D)
RMS; 10 W (total) (10 % T.H.D)
7 W (total) (0.9 % T.H.D)
Input terminals:
Video/Auxiliary (audio signal) x 2;
500 mV/47 kohms
500 mV/47 kohms
Output terminals:
Front speakers; 8 ohms
Center speakers; 6 ohms
Surround Speakers; 12 ohms
CD digital output (optical)
Headphones; 16-50 ohms
(recommended; 32 ohms)
Center speakers; 6 ohms
Surround Speakers; 12 ohms
CD digital output (optical)
Headphones; 16-50 ohms
(recommended; 32 ohms)
Compact disc player section
Type:
3-disc multi-play compact disc player
Signal readout:
Non-contact, 3-beam semi-conductor
laser pickup
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
MW; 522 - 1,620 kHz
LW; 153 - 281 kHz
MW; 522 - 1,620 kHz
LW; 153 - 281 kHz
SPECIFICATIONS
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
Specifications for this model are subject to change without
prior notice.
prior notice.
CD-C470H/CD-C470E/CD-C480H
CP-C470H/CP-C470E/CP-C480H
CENTER SPEAKER SYSTEM
SURROUND SPEAKER SYSTEM
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
– 4 –
NAMES OF PARTS
Front Panel
1. Disc Tray
2. Disc Number Selector Buttons
3. Disc Skip Button
4. Open/Close Button:
2. Disc Number Selector Buttons
3. Disc Skip Button
4. Open/Close Button:
5. CD Play Indicator:
6. CD Repeat Indicator:
7. CD Pause Indicator:
6. CD Repeat Indicator:
7. CD Pause Indicator:
8. Disc Number Indicator
9. RDS Indicator
9. RDS Indicator
10. EON Indicator
11. Traffic Announcement Indicator: TA
12. Traffic Programme Indicator:TP
13. Traffic Information Indicator: TI
14. Programme Type Indicator: PTY
15. Function/CD Track/Preset Channel/Volume/
11. Traffic Announcement Indicator: TA
12. Traffic Programme Indicator:TP
13. Traffic Information Indicator: TI
14. Programme Type Indicator: PTY
15. Function/CD Track/Preset Channel/Volume/
Frequency/CD Counter/Time/Sleep Time Indicator
16. 4-Speaker Indicator: 4-SP (CD-C480H Only)
17. Dolby Pro Logic Indicator
18. Sleep Indicator
19. FM Stereo Mode Indicator: ST
20. FM Stereo Indicator:
21. SRS Indicator (CD-C480H Only)
22. Extra Bass Indicator: X-BASS
23. Memory Indicator
24. Direction Indicators
25. Reverse Mode indicator:
26. Record indicator
27. Timer Indicator
28. Spectrum Analyzer/Volume Level/Balance Indicator
17. Dolby Pro Logic Indicator
18. Sleep Indicator
19. FM Stereo Mode Indicator: ST
20. FM Stereo Indicator:
21. SRS Indicator (CD-C480H Only)
22. Extra Bass Indicator: X-BASS
23. Memory Indicator
24. Direction Indicators
25. Reverse Mode indicator:
26. Record indicator
27. Timer Indicator
28. Spectrum Analyzer/Volume Level/Balance Indicator
29. On/Stand-by Switch
30. 3D Surround Mode Button (CD-C480H Only)
31. Extra Bass Button: X-BASS
32. Volume Up/Down Buttons:
33. 4-Speaker Surround Mode Button (CD-C480H Only)
34. Clock Button
35. Timer/Sleep Button
36. Programme Type/Traffic Information Search Button
37. EON button
38. ASPM Button
39. Display Mode Selector Button
40. Memory/Set Button
41. Tuning and Time Up/Down Buttons:
42. Edit/Beat Cancel Buttons:
30. 3D Surround Mode Button (CD-C480H Only)
31. Extra Bass Button: X-BASS
32. Volume Up/Down Buttons:
33. 4-Speaker Surround Mode Button (CD-C480H Only)
34. Clock Button
35. Timer/Sleep Button
36. Programme Type/Traffic Information Search Button
37. EON button
38. ASPM Button
39. Display Mode Selector Button
40. Memory/Set Button
41. Tuning and Time Up/Down Buttons:
42. Edit/Beat Cancel Buttons:
NORMAL/HIGH (BEAT CANCEL)
43. Reverse Mode Button
44. Headphone Socket
45. Function Selector Buttons
46. Record Pause Button:
47. Bypass Button
48. Track Down/Review/Preset Down Button:
49. (TAPE 2) Reverse Play Button:
50. Stop Button:
51. (TAPE 1) Play Button/(TAPE 2) Forward Play Button/
44. Headphone Socket
45. Function Selector Buttons
46. Record Pause Button:
47. Bypass Button
48. Track Down/Review/Preset Down Button:
49. (TAPE 2) Reverse Play Button:
50. Stop Button:
51. (TAPE 1) Play Button/(TAPE 2) Forward Play Button/
(CD) Play/Repeat Button:
52. Track Up/Cue/Preset Up Button:
53. Centre Mode Buttons: NORMAL/PHANTOM
54. Equalizer Selector/Demo Mode Button
53. Centre Mode Buttons: NORMAL/PHANTOM
54. Equalizer Selector/Demo Mode Button
55. (TAPE 1) Cassette Compartment
56. (TAPE 2) Cassette Compartment
56. (TAPE 2) Cassette Compartment
CD-C470H/CD-C470E/CD-C480H
1
2
3 4
29
30 31 32 33
34
35
36
36
37
38
39
39
40 41
42 43 44
1
2
3
X-BASS
kHz
MHz
RDS
EON
TA
PTY
TP
63 250 1k
4k 16k
SLEEP
4-SP
ST
MEMORY
PRO LOGIC
REC
TI
5 6 7
8
9
15
16 17
21
18
19
20
20
10 11 12
13
14
22
23 24 25 26 27 28
46
45
47
50
49
48
51
52
53
54
55
56
(Illustration: CD-C480H)
– 5 –
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
Rear Panel
1. CD Digital Output Socket
2. Video/Auxiliary (Audio Signal) Input Sockets
3. AC Power Lead
4. FM 75 ohms Aerial Socket
5. MW/LW Loop Aerial Input Socket
6. Front Speaker Terminals
7. Center Speaker Terminals
8. Surround Speaker Terminals
2. Video/Auxiliary (Audio Signal) Input Sockets
3. AC Power Lead
4. FM 75 ohms Aerial Socket
5. MW/LW Loop Aerial Input Socket
6. Front Speaker Terminals
7. Center Speaker Terminals
8. Surround Speaker Terminals
CD-C470H/CD-C470E/CD-C480H
Speaker Section
9. Tweeter
10. Super Tweeter
11. Woofer
12. Bass Reflax Duct
13. Speaker Wire
11. Woofer
12. Bass Reflax Duct
13. Speaker Wire
14. Full-Range Speaker
15. Speaker Wire
15. Speaker Wire
16. Full-Range Speaker
17. Speaker Wire
17. Speaker Wire
Remote Control
1. Remote Control Transmitter LED
2. Surround Level Buttons:
3. Center Level Buttons:
4. 4-Speaker Surround Mode Button (CD-C480H Only)
5. Dolby Pro Logic Button
6. Center Mode Button
7. Test Tone Button
8. Balance Control Buttons:
9. Programme Type/Traffic Information Search Button
3. Center Level Buttons:
4. 4-Speaker Surround Mode Button (CD-C480H Only)
5. Dolby Pro Logic Button
6. Center Mode Button
7. Test Tone Button
8. Balance Control Buttons:
9. Programme Type/Traffic Information Search Button
Tuner control section
10. Preset Up/Down Buttons:
10. Preset Up/Down Buttons:
CD Control section
11. Disc Skip Button
12. Play/Repeat Button:
13. Memory Button
14. Clear Button
15. Pause Button:
16. Track Down/Review Button:
17. Track Up/Cue Button:
18. Stop Button:
19. Random Button
11. Disc Skip Button
12. Play/Repeat Button:
13. Memory Button
14. Clear Button
15. Pause Button:
16. Track Down/Review Button:
17. Track Up/Cue Button:
18. Stop Button:
19. Random Button
Tape control section
20. (TAPE 2) Reverse Play Button:
21. (TAPE 1/2) Stop Button:
22. (TAPE 1) Play Button/
20. (TAPE 2) Reverse Play Button:
21. (TAPE 1/2) Stop Button:
22. (TAPE 1) Play Button/
(TAPE 2) Forward Play Button:
23. (TAPE 2) Record Pause Button:
24. (TAPE 2) Rewind Button:
25. (TAPE 2) Fast Forward Button:
24. (TAPE 2) Rewind Button:
25. (TAPE 2) Fast Forward Button:
26. 3D Surround Mode Button (CD-C480H Only)
27. Equalizer Mode Button
28. Function Selector Buttons
29. On/Stand-by Button
30. Extra Bass Button: X-BASS
31. Volume Up/Down Buttons:
27. Equalizer Mode Button
28. Function Selector Buttons
29. On/Stand-by Button
30. Extra Bass Button: X-BASS
31. Volume Up/Down Buttons:
CD-C470H/CD-C470E/CD-C480H
1
2
3
4
5
6
7
8
8
9
10
12
13
11
14
15
16
17
1
2
3
4
5
6
8
7
9
10
12
13
14 15 16 17 18
19
20 21 22
25
26
27
27
28
23
24
29
11
30
31