Sharp MS722 - MiniDisc Recorder - Metallic Support and Manuals
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Sharp Mini Disc recorder MD MS722
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Duration: 1:06
Total Views: 734
Popular Sharp MS722 Manual Pages
Operation Manual - Page 4
...problems. nave the end away tam such devices.
• Concern for damage due Ic improper use an external power supply otheu)han the 5V DC supplied with strong magnetic fields such as TVs or loudspeakers. • Places exposed to a SHARP...where roe humidity is not responsible for others when
listening to MiniDiscs
II you are enjoying layering to lid nary cassette tapes, nave very ...
Service Manual - Page 1
...• In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used . CONTENTS
Page SAFETY PRECAUTION FOR SERVICE MANUAL (MD-MS722W/MS721W ONLY 2 SPECIFICATIONS ...3 NAMES OF PARTS ...4 OPERATION MANUAL ...6 QUICK GUIDE (MD-MS722 ONLY) ...9 DISASSEMBLY ...11 INSTALLING THE TOP CABINET ...11 REMOVING AND REINSTALLING THE...
Service Manual - Page 2
... eye damage when repairing: If the AC adaptor or batteries are connected when the top houising (disc cover) 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 lower than Class I Requirements.
Use the portable minidisc recorder only in accordance with the instructions given in...
Service Manual - Page 3
... with rechargeable battery Line/optical digital, microphone (powered by the main unit) Headphones (impedance: 19 ohms)/ remote control unit Earphones (impedance: 32 ohms)/ remote control unit
MiniDisc Recorder Type: Signal readout: Audio channels: Frequency response: Rotation speed: Error correction: Coding:
Recording method: Sampling frequency:
Wow and flutter:
Portable MiniDisc recorder Non...
Service Manual - Page 5
... Buttons: +, - 14. Record Indicator 3. Battery Indicator: 7. Random Indicator 8. Fast Reverse/Recording Level Control/
Cursor Button: 19. Optical/Line Input Socket 32. Display Button 16. Disc Mode Indicator 12. Display/Lowercase Characters Button 22. Bass/Delete Button 25. Handstrap Attachment Eye 29. Record Indicator 4. Volume/Name Select Buttons: - 23. MD-MS722/C/W/MS721W...
Service Manual - Page 7
... of space on a MiniDisc, the track numbers following before calling your authorised SHARP dealer or service centre.
MD-MS722/C/W/MS721W
- 7 - When the unit has condensation inside, the disc signals cannot be increased by static electricity? Some sounds are pressed, the unit does not respond. The recording time will be skipped. TROUBLESHOOTING
Moisture condensation
In the...
Service Manual - Page 8
... disc. Replace it with another recorded disc. Return the HOLD switch to record on the remote control. Wait for power).
A disc has not been loaded. There is damaged.
Replace it repaired, go to the distributor where you hear is out of the SCMS copyright system. MD-MS722/C/W/MS721W
- 8 - ERROR MESSAGES
Error messages
BATT EMPTY (Lo BATT)
Meaning The battery run down...
Service Manual - Page 13
... the power supply of disc, namely recording disc (low reflection disc) and playback-only disc (high
reflection disc). MANUAL 1 Mode 4. TEST-PLAY Mode
• Perform preliminary automatic adjustment. • If the combination of the set .
• Defaults are perfomed.
10. Mode
• Error information is not performed.
- 13 - AUTO 2 Mode 3. RESULT 1 Mode 6. MD-MS722/C/W/MS721W
Test...
Service Manual - Page 18
...Continuous record menu : Pre-manual adjustment menu : ATT manual adjustment menu : Preadjustment value check menu : ATT adjustment value check menu : Digital input signal monitor menu : Error history... mode normal playback menu : EEPROM setting menu : INNER switch position measurement menu
* When the [STOP] key is pressed in specific menu, the "TEST MODE STOP" state is set . * " " represent the ...
Service Manual - Page 32
...POWER SELECT
CHARGE DRIVE
5
4
6
3
7
2 +B
8
1
D801 R830 SB10015C 100K F800
1.00A, 63VDC
C806 3.3/10
! MD-MS722...4 3 2 1
1
CN482
FLEXIBLE
PWB
LCD LCD DRIVER
MS722/MS722C
MS722W/MS721W(S) /MS721W(BL)
R765·766 ...3
IC841 2
5
1
XC62HS02
POWER SUPPLY
MICROCOMPUTER
R842 1K
R811 330K
R812...3
J801 DC IN 1 2 3
BATTERY TERMINAL
EXT.BATTERY TERMINAL
HPLAY R847 HREC 330K INN
PCNT1 ...
Service Manual - Page 41
... the cabinet and follow the troubleshooting instructions.
Yes
Perform the check stated in item "Audio playback circuit". button is
No Is operation normal when the main body button is useful for repair.
Turn the power off. Is the power supply turned on when the / is pressed?
Perform the check stated in item "Recording/playback
No
operation".
•...
Service Manual - Page 44
...power supply
41*
PB0
PB0
Output Spare
42
PB1
_ELONH
Output Remote control EL'H' lighting control output
43*
PB2
PB2
Output Spare
44
PB3
LDON
Output P.U. laser ON/OFF control output
45
PB4
OPICGA
Output P.U. MD-MS722...36
PC4
RCPCNT
Output Record circuit power control output
37
PC5
TEST1
Input
Test mode setting input 1
38
PC6
TEST0
Input
Test mode setting input 0
39
...
Service Manual - Page 45
...AVCC
-
A/D and D/A converter positive power supply
78
Vref
VREF
-
MD-MS722/C/W/MS721W
IC401 RH-iX2772AF03(IX2772AF):System ...power setting output
87
AVss
AVSS
- Ground potential
89
P24
90
TIOCB4
START MCMON
Input Output
Disc insertion start-up detection input Internal operation status monitor output
91*
P26
P91
Output Spare
92
P27
DCNT1M
Output Mechanism driver...
Service Manual - Page 48
MD-MS722/C/W/MS721W
NO.
PARTS CODE
PRICE RANK
INTEGRATED CIRCUITS
DESCRIPTION
IC101 IC200 IC201 IC202 IC351... PWM Driver,17A39TD J AH Motor Driver,LB1930M J AQ Audio Amp.,IR3R54N J AQ Audio Amp.,IR3R54N J AE 2.5V Regulator,TK71225M J AD Constant Current Drive, HN1C03FU J AH Power Select Charge Drive, NDH8304P J AL Power Drive,IR3M09N J AE P-ch MOS FET,CPH3303 J AE Power Supply Microcomputer,...
Service Manual - Page 56
MD-MS722/C/W/MS721W
COPYRIGHT © 1998 BY SHARP COPORATION
ALL RIGHTS RESERVED.
SHARP CORPORATION Communication Systems Group Quality & Reliability Control Center Higashihiroshima, Hiroshima 739-0192, Japan
Printed in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. No part of this publication may be...
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