Read Sharp CD-C420H Service Manual online
– 1 –
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
CONTENTS
Page
SPECIFICATIONS ............................................................................................................................................................. 2
VOLTAGE SELECTION (CD-C405W ONLY) .................................................................................................................... 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 5
DISASSEMBLY .................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT .................................................................................................................................................................. 10
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................... 12
BLOCK DIAGRAM ............................................................................................................................................................ 13
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 16
WAVEFORMS OF CD CIRCUIT ....................................................................................................................................... 30
TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION) ............................................................................... 31
FUNCTION TABLE OF IC ................................................................................................................................................ 35
FL DISPLAY ...................................................................................................................................................................... 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
VOLTAGE SELECTION (CD-C405W ONLY) .................................................................................................................... 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 5
DISASSEMBLY .................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT .................................................................................................................................................................. 10
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................... 12
BLOCK DIAGRAM ............................................................................................................................................................ 13
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 16
WAVEFORMS OF CD CIRCUIT ....................................................................................................................................... 30
TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION) ............................................................................... 31
FUNCTION TABLE OF IC ................................................................................................................................................ 35
FL DISPLAY ...................................................................................................................................................................... 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
SHARP CORPORATION
SERVICE MANUAL
CD-C405W and CP-C405 constitute CD-C405W.
CD-C420H and CP-C410 and CP-SR421 constitute CD-
C405W.
CD-C420H and CP-C410 and CP-SR421 constitute CD-
C405W.
CD-C405W
CD-C420H
CP-C405
CP-C410
CP-SR421
CD-C420H
CP-C405
CP-C410
CP-SR421
Illustration: CD-C405W/CP-C405
Illustration: CD-C420H/CP-C410/CP-SR401
• 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.
No. S5733CDC405W/
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
– 2 –
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
General
Power source:
AC 110/127/220/230 - 240 V, 50/60 Hz
(CD-C405W)
Power source:
Power source:
AC 230 V, 50 Hz
(CD-C420H)
Power consumption:
Power consumption:
65 W
Dimensions:
Width; 270 mm (10-5/8")
Height; 300 mm (11-13/16")
Depth; 359.5 mm (14-3/16")
Height; 300 mm (11-13/16")
Depth; 359.5 mm (14-3/16")
Weight:
5.0 kg (11.0 lbs.)
Amplifier section
Output power:
PMPO; 160 W (total)
MPO; 34 W (17 W + 17 W)(10 % T.H.D.)
RMS; 20 W (10 W + 10 W)(10 % T.H.D.)
MPO; 34 W (17 W + 17 W)(10 % T.H.D.)
RMS; 20 W (10 W + 10 W)(10 % T.H.D.)
Output terminals:
Speakers; 8 ohms
(CD-C405W)
Headphones; 16-50 ohms
(recommended; 32 ohms)
(recommended; 32 ohms)
Output terminals:
Front speakers; 8 ohms
(CD-C420H)
Rear speakers; 16 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
Headphones; 16-50 ohms
(recommended; 32 ohms)
Input terminals:
Video/Auxiliary (audio signal);
245 mV/47 kohms
245 mV/47 kohms
Tuner section
Frequency range:
FM; 88 - 108 MHz
(CD-C405W)
AM; 531 - 1,602 kHz
Frequency range:
FM; 87.5 - 108 MHz
(CD-C420H)
AM; 522 - 1,620 kHz
Compact disc player section
Type:
3-disc multi-play compact disc player
Signal readout:
Non-contact, 3-beam semi-con-ductor
laser pickup
laser pickup
D/A Converter:
1-bit D/A converter
Frequency response:
20 - 20,000 Hz
Dynamic range:
90 dB (1 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:
0.15 % (WRMS)
CD-C405W/CD-C420H
Speaker section
Type:
2-way type [10 cm (4") woofer and super
tweeter]
tweeter]
Maximum input power: 20 W
Impedance:
Impedance:
8 ohms
Dimensions:
Width; 180 mm (7-1/8")
Height; 300 mm (11-13/16")
Depth; 214 mm (8-7/16")
Height; 300 mm (11-13/16")
Depth; 214 mm (8-7/16")
Weight:
2.4 kg (5.3 lbs.)/each
Front speaker section
Frequency response:
100 MM (4") full-range speaker
Maximum input power: 20W
Impedance:
Impedance:
8 ohms
Dimensions:
Width; 180 mm (7-1/8")
Height; 300 mm (11-13/16")
Depth; 204 mm (8")
Height; 300 mm (11-13/16")
Depth; 204 mm (8")
Weight:
2.1 kg (4.6 lbs.)/each
Rear speaker section
Type:
100 mm (4") full-range speaker
Maximum input power: 10 W
Impedance:
Impedance:
16 ohms
Dimensions:
Width; 170 mm (6-11/16")
Height; 120 mm (4-3/4")
Depth; 175 mm (6-7/8")
Height; 120 mm (4-3/4")
Depth; 175 mm (6-7/8")
Weight:
0.6 kg (1.3 lbs.)/each
CD-C405
SPECIFICATIONS
CP-C410
CP-SR421
Specifications for this model are subject to change without prior
notice.
notice.
VOLTAGE SELECTION (CD-C405W)
Before operating the unit on mains, check the preset voltage. If the votage is different from your local voltage. Slide the AC power
supply socket cover by slightly loosing the screw to the visible indication of the side of your local voltage.
supply socket cover by slightly loosing the screw to the visible indication of the side of your local voltage.
– 3 –
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
NAMES OF PARTS
CD-C405W
Rear Panel
1. Video/Auxiliary (Audio Signal) Input Sockets
2. Speaker Terminals
3. AC Voltage Selector
4. AC Power Lead
5. Span Selector Switch
6. FM 75 Ohms Aerial Terminal
7. Aerial Earth Terminal
8. AM aerial Terminal
2. Speaker Terminals
3. AC Voltage Selector
4. AC Power Lead
5. Span Selector Switch
6. FM 75 Ohms Aerial Terminal
7. Aerial Earth Terminal
8. AM aerial Terminal
Front Panel
1. Disc Tray
2. Disc Number Indicator
3. Timer Indicator
4. Record Indicator
5. Sleep Indicator
6. Extra Bass Indicator: X-BASS
7. Function/CD Track/CD Counter/Frequency/Preset
Channel/Volume/Timer/Sleep Time Indicator
8. Memory Indicator
9. FM Stereo Mode Indicator: ST
3. Timer Indicator
4. Record Indicator
5. Sleep Indicator
6. Extra Bass Indicator: X-BASS
7. Function/CD Track/CD Counter/Frequency/Preset
Channel/Volume/Timer/Sleep Time Indicator
8. Memory Indicator
9. FM Stereo Mode Indicator: ST
10. FM Stereo Indicator:
11. CD Play Indicator:
12. CD Repeat Indicator:
13. CD Pause Indicator:
11. CD Play Indicator:
12. CD Repeat Indicator:
13. CD Pause Indicator:
14. Power Switch
15. Extra Bass/Equalizer Mode Button
16. Volume Up/Down Buttons:
17. Random/Demo Button
18. Clock Button
19. Timer/Sleep Button
20. Function Selector Buttons
21. Memory/Set Button
22. Tuning and Time Up/Down Buttons:
23. Track Down/Review/Preset Down Button:
24. Play/Repeat Button:
25. Stop Button:
26. Track Up/Cue/Preset Up Button:
27. Disc Skip Button
28. Open/Close Button:
29. Record Pause Button:
30. Headphone Socket
15. Extra Bass/Equalizer Mode Button
16. Volume Up/Down Buttons:
17. Random/Demo Button
18. Clock Button
19. Timer/Sleep Button
20. Function Selector Buttons
21. Memory/Set Button
22. Tuning and Time Up/Down Buttons:
23. Track Down/Review/Preset Down Button:
24. Play/Repeat Button:
25. Stop Button:
26. Track Up/Cue/Preset Up Button:
27. Disc Skip Button
28. Open/Close Button:
29. Record Pause Button:
30. Headphone Socket
31. (TAPE 1) Cassette Compartment
32. (TAPE 2) Cassette Compartment
32. (TAPE 2) Cassette Compartment
CD-C405W/CD-C420H
1
MEMORY ST
kHz
MHz
MHz
1
2
3
REC
SLEEP
X-BASS
2
3 4 5
6
7
8 9 10
11
12
13
15
17
18
19
20
21
22
23 24 25 26 27 28 29 30
14
16
31
32
1
2
3
4
5
6
7
8
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421
– 4 –
CD-C420H
Rear Panel
1. Speaker Terminals
2. AC Power Lead
3. Video/Auxiliary (Audio Signal) Input Sockets
4. FM 75 Ohms Aerial Socket
5. AM Loop Aerial Socket
2. AC Power Lead
3. Video/Auxiliary (Audio Signal) Input Sockets
4. FM 75 Ohms Aerial Socket
5. AM Loop Aerial Socket
1
2
3
4
5
6
7
11
12
10
9
8
14
13
15
19
19
22
20
18
17
16
21
CP-C410
Speaker Section
6. Full Range Speaker
7. Speaker Wire
7. Speaker Wire
Speaker Section
8. Full Range Speaker
9. Speaker Wire
9. Speaker Wire
CP-C405
Speaker Section
10. Super Tweeter
11. Woofer
12. Speaker Wire
10. Super Tweeter
11. Woofer
12. Speaker Wire
Remote Control
1. remote Control Transmitter LED
CD Control section
2. Disc Number Select Buttons
3. Track Down/Review Button:
4. Track Up/Cue Button:
5. Disc Skip Button
6. Play/Repeat Button:
7. Stop Button:
8. Memory Button
9. Clear Button
3. Track Down/Review Button:
4. Track Up/Cue Button:
5. Disc Skip Button
6. Play/Repeat Button:
7. Stop Button:
8. Memory Button
9. Clear Button
10. Random Button
11. Pause Button:
11. Pause Button:
Tuner control section
12. Preset Up/Down Buttons:
12. Preset Up/Down Buttons:
Tape control section
13. (TAPE 1/2) Stop Button:
14. (TAPE 1) Play Button:
15. (TAPE 2) Record Pause Button:
16. (TAPE 2) Play Button:
17. (TAPE 2) Rewind Button:
18. (TAPE 2) Fast Forward Button:
13. (TAPE 1/2) Stop Button:
14. (TAPE 1) Play Button:
15. (TAPE 2) Record Pause Button:
16. (TAPE 2) Play Button:
17. (TAPE 2) Rewind Button:
18. (TAPE 2) Fast Forward Button:
19. Function Selector Buttons
20. Extra Bass/Equalizer Mode Button
21. Power Button
22. Volume Up/Down Buttons:
20. Extra Bass/Equalizer Mode Button
21. Power Button
22. Volume Up/Down Buttons:
CD-C405W/CD-C420H
CP-SR421
1
3
4
5
2
6
7
9
8
10
11
12
