Sharp CD-E700 (serv.man18) Service Manual ▷ View online
CD-E700E
No. S3332CDE700E/
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES ........................................................................................................................................ 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT ................................................................................................................................................................. 10
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 14
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 14
BLOCK DIAGRAM ........................................................................................................................................................... 15
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 18
VOLTAGE ........................................................................................................................................................................ 35
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 36
TROUBLESHOOTING ..................................................................................................................................................... 37
FUNCTION TABLE OF IC ................................................................................................................................................ 41
FL DISPLAY ..................................................................................................................................................................... 47
WIRING OF PRIMARILY SUPPLY LEADS ..................................................................................................................... 48
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD
IMPORTANT SERVICE NOTES ........................................................................................................................................ 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9
ADJUSTMENT ................................................................................................................................................................. 10
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 14
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 14
BLOCK DIAGRAM ........................................................................................................................................................... 15
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 18
VOLTAGE ........................................................................................................................................................................ 35
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 36
TROUBLESHOOTING ..................................................................................................................................................... 37
FUNCTION TABLE OF IC ................................................................................................................................................ 41
FL DISPLAY ..................................................................................................................................................................... 47
WIRING OF PRIMARILY SUPPLY LEADS ..................................................................................................................... 48
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD
SERVICE MANUAL
SHARP CORPORATION
• 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.
MINI COMPONENT SYSTEM
MODEL
CD-E700E
CD-E700E Mini Component System consisting of CD-E700E
(main unit) and CP-E700E (speaker system).
(main unit) and CP-E700E (speaker system).
• Note
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
Performers Protection Act 1956, the Performers 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
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
CD-E700E
– 2 –
SAFETY PRECAUTION FOR SERVICE MANUAL
Precaution to be taken when replacing and servicing the Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements.
However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
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.
(2) The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior 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
(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.
IMPORTANT SERVICE NOTES
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 buzzer sounds.
NG: The “NG” lamp lights and the buzzer sounds.
PROBE
AC
OUT
UNIT
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
– 3 –
CD-E700E
SPECIFICATIONS
Specifications for this model are subject to change without
prior notice.
prior notice.
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
CD-E700E
CP-E700E
General
Amplifier
Power source
AC 230 V, 50 Hz
Power
consumption
consumption
110 W
Dimensions
Width: 270 mm (10-5/8")
Height: 330 mm (13")
Depth: 355 mm (13-15/16")
Height: 330 mm (13")
Depth: 355 mm (13-15/16")
Weight
7.8 kg (17.2 lbs.)
Output power
RMS: 250 W (125 W + 125 W) (10 % T.H.D.)
RMS: 200 W (100 W + 100 W) (0.9 %
T.H.D.)
T.H.D.)
Output terminals
Speakers: 6 ohms
Headphones: 16 - 50 ohms (recommended:
32 ohms)
32 ohms)
Input terminals
Video/Auxiliary (audio signal): 500 mV/47 k
ohms
ohms
CD player
Tuner
Cassette deck
Type
3-disc multi-play compact disc player
Signal readout
Non-contact, 3-beam semiconductor laser
pickup
pickup
D/A converter
1-bit D/A converter
Frequency
response
response
20 - 20,000 Hz
Dynamic range
90 dB (1 kHz)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
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
0.3 % (WRMS)
Type
3-way 4-speaker system with passive radia-
tor
tor
Super tweeter 2
5 cm (2") tweeter
16 cm (6-1/2") woofer
16 cm (6-1/2") passive radiator
Maximum input
power
power
250 W
Rated input power
125 W
Impedance
6 ohms
Dimensions
Width: 277 mm (10-7/8")
Height: 330 mm (13")
Depth: 273 mm (10-3/4")
Height: 330 mm (13")
Depth: 273 mm (10-3/4")
Weight
4.5 kg (9.9 lbs.)/each
CD-E700E
– 4 –
NAMES OF PARTS
Front panel
1. Disc Tray
2. Timer Set Indicator
3. Memory/Set Button
4. On/Stand-by Button
5. Clock Button
6. Timer/Sleep Button
7. Tuning and Time Up Button
8. Tuning and Time Down Button
9. Headphone Socket
2. Timer Set Indicator
3. Memory/Set Button
4. On/Stand-by Button
5. Clock Button
6. Timer/Sleep Button
7. Tuning and Time Up Button
8. Tuning and Time Down Button
9. Headphone Socket
10. Tape 2 Record Pause Button
11. Tape 1 Cassette Compartment
12. Equaliser Mode Select Button
13. Extra Bass/Demo Mode Button
14. Volume Control
15. Disc Tray Open/Close Button
16. Disc Skip Button
17. Tape 2 Cassette Compartment
18. CD Button
19. Tape (1 2) Button
20. CD or Tape Stop Button
21. CD Track Down or Fast Reverse, Tape 2 Rewind,
11. Tape 1 Cassette Compartment
12. Equaliser Mode Select Button
13. Extra Bass/Demo Mode Button
14. Volume Control
15. Disc Tray Open/Close Button
16. Disc Skip Button
17. Tape 2 Cassette Compartment
18. CD Button
19. Tape (1 2) Button
20. CD or Tape Stop Button
21. CD Track Down or Fast Reverse, Tape 2 Rewind,
Tuner Preset Down Button
22. Tuner (Band) Button
23. Video/Auxiliary Button
24. CD Play or Repeat, Tape Play Button
25. CD Track Up or Fast Forward, Tape 2 Fast Forward,
23. Video/Auxiliary Button
24. CD Play or Repeat, Tape Play Button
25. CD Track Up or Fast Forward, Tape 2 Fast Forward,
Tuner Preset Up Button
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Display
1. CD Pause Indicator
2. Extra Bass Indicator
3. Disc Number Indicators
4. Tape 2 Record Indicator
5. FM Stereo Mode Indicator
6. FM Stereo Receiving Indicator
7. Timer Play Indicator
8. Sleep Indicator
9. Timer Recording Indicator
2. Extra Bass Indicator
3. Disc Number Indicators
4. Tape 2 Record Indicator
5. FM Stereo Mode Indicator
6. FM Stereo Receiving Indicator
7. Timer Play Indicator
8. Sleep Indicator
9. Timer Recording Indicator
10. CD Play Indicator
11. CD Repeat Play Indicator
12. Tape Play Indicator
13. Memory Indicator
11. CD Repeat Play Indicator
12. Tape Play Indicator
13. Memory Indicator
Rear panel
1. Cooling Fan
2. AC Power Lead
3. FM 75 Ohms Aerial Socket
4. AM Loop Aerial Socket
5. Video/Auxiliary (Audio Signal) Input Sockets
6. Speaker Terminals
2. AC Power Lead
3. FM 75 Ohms Aerial Socket
4. AM Loop Aerial Socket
5. Video/Auxiliary (Audio Signal) Input Sockets
6. Speaker Terminals
Note:
This product is equipped with a cooling fan inside, which begins to
run at a specified volume level for better heat radiation.
This product is equipped with a cooling fan inside, which begins to
run at a specified volume level for better heat radiation.
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CD-E700E
