sony_MZ-N1_1.4_service_manual 维修电路图.pdf

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1、SERVICE MANUAL PORTABLE MINIDISC RECORDER US Model Canadian Model AEP Model UK Model E Model Australian Model Chinese Model Tourist Model SPECIFICATIONS MZ-N1 US and foreign patents licensed from Dolby Laboratories. Continued on next page Model Name Using Similar MechanismNEW Mechanism TypeMT-MZN1-1

2、71 Optical Pick-up NameLCX-5R Ver 1.4 2002. 10 9-873-443-05Sony Corporation 2002J0500-1Personal Audio Company C 2002.10Published by Sony Engineering Corporation OpenMG, “MagicGate”, “MagicGate Memory Stick”, “Memory Stick”, VAIO,MusicClip and their logos are trademarks of Sony Corporation. “WALKMAN”

3、 is a trademark of Sony Corporation. Microsoft,Windows,Windows NT and Windows Media are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. IBM and PC/AT are registered trademarks of International Business Machines Corporation. Macintosh is a tra

4、demark of Apple Computer,Inc.in the United States and/or other countries. All other trademarks are trademarks of their respective owners. and marks are omitted in this manual. Audio playing system MiniDisc digital audio system Laser diode properties Material: GaAlAs Wavelength: = 790 nm Emission dur

5、ation: continuous Laser output : less than 44.6 W (This output is the value measured at a distance of 200 mm from the lens surfaceon the optical pick-up block with 7 mm aperture.) Recording and playback time (when using MDW-80) Maximum 160 min. in monaural Maximum 320 min. in stereo Revolutions 382

6、rpm to 2,700 rpm (CLV) Error correction ACIRC (Advanced Cross Interleave Reed Solomon Code) Sampling frequency 44.1 kHz Sampling rate converter Input: 32 kHz/44.1 kHz/48 kHz Coding ATRAC (Adaptive TRansform Acoustic Coding) ATRAC3 LP2/LP4 收音机爱好者资料库 Ra d i o Fa n s .CN 2 MZ-N1 Modulation system EFM (

7、Eight to Fourteen Modulation) Frequency response 20 to 20,000 Hz 3 dB Wow and Flutter Below measurable limit Inputs1) MIC: stereo mini-jack (minimum input level 0.25 mV) Line in: stereo mini-jack for anolog input (minimum input level49 mV) optical (digital) mini-jack for optical (digital) input Outp

8、uts i/LINE OUT2): stereo mini-jack (dedicated remote control jack)/194 mV (10 kohm) Maximum output (DC) 2) Headphones:5 mW + 5 mW (16 ohm) Power requirement Battery life1) When recording2) (Unit: approxi.hours)(JEITA3) BatteriesSP Stereo LP2 Stereo LP4 Stereo Nickel metal hydride rechargeable batter

9、y4) 121721 LR6 (SG) Sony alkaline dry battery5) 121923 Nickel metal hydride rechargeable battery4) + One LR6 (SG)5) 304352 1)The battery life may be shorter due to operating conditions and the temperature of the location. 2)When you record , use a fully charged rechargeable battery. Recording time m

10、ay differ according to the alkaline batteries. 3)Measured in accordance with the JEITA (Japan Electronics and Information Technology Industries Association) standard. 4)When using a 100% fully charged nickel metal hydride rechargeable battery (NH- 14WM(A). 5)When using a Sony LR6 (SG) “STAMINA” alka

11、line dry battery (produced in Japan). When playing (Unit BatteriesSP Stereo LP2 Stereo LP4 Stereo Nickel metal hydride rechargeable battery2) 303842 LR6 (SG) Sony alkaline dry battery3) 445262 Nickel metal hydride rechargeable battery2) + One LR6 (SG)3) 7995110 1)Measured in accordance woth theJEITA

12、 (Japan Electronics and Information Technology Industries Association) standard. 2)When using a 100% fully charged nickel metal hydriderechargeable battery (NH- 14WM(A). 3)When using a Sony LR6 (SG) “STAMINA” alkaline dry battery (produced in Japan) : approxi.hours)(JEITA1) Sony AC Power Adaptor con

13、nected at the DC IN 3V jack (country model in parentheses): 120 V AC, 60 Hz (USA, Canada and Taiwan) 220 V AC, 50/60 Hz (Continental Europe) 240 V AC, 50 Hz (Australia) 220 V AC, 50 Hz (China) 230 - 240 V AC, 50 Hz (U.K. and Hong Kong) 110/220 V AC, 60 Hz (Korea) Dimensions Approx. 77.7 71.4 16.4 mm

14、 (w/h/d) (31/8 27/8 21/32 in.) Mass Approx. 87 g (3.0 oz) the recorder only 1)The LINE IN (OPT) jack is used to connect either a digital (optical) cable or a line (analog) cable. 2)The i/LINE OUT jack connects either headphones/earphones or a line cable. Supplied accessories 100 - 240 V AC, 50/60 Hz

15、 (Other countries) The recorder: Nickel metal hydride rechargeable battery NH-14WM(A) 1.2V 1350 mAh (MIN) Ni- MH LR6 (SG) alkaline battery USB cradle: AC power adaptor DC 3V AC power adaptor (1) Headphones/earphones with a remote control (1) Optical cable (1) USB cradle (1) USB cable (1) Nickel meta

16、l hydride rechargeable battery NH-14WM(A) (1) CD-ROM (1)* Dry battery case (1) Rechargeable battery carrying case (1) Recordable MD (USA and Canada models only) (1) Carrying pouch/carrying case with a belt clip Design and specitications are subject to change without notice. (except USA model) (1) AC

17、 plug adaptor (Sony world model only) (1) Do not play a CD-ROM on an audio CD player. ATTENTION AU COMPOSANT AYANT RAPPORT LA SCURIT! LES COMPOSANTS IDENTIFIS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHMATIQUES ET LA LISTE DES PICES SONT CRITIQUES POUR LA SCURIT DE FONCTIONNEMENT. NE REMPLACER CES COM-

18、POSANTS QUE PAR DES PICES SONY DONT LES NUMROS SONT DONNS DANS CE MANUEL OU DANS LES SUPPLMENTS PUBLIS PAR SONY. SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE

19、COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. Ver 1.1 收音机爱好者资料库 Ra d i o Fa n s .CN 3 MZ-N1 TABLE OF CONTENTS 1.SERVICING NOTES.4 2.GENERAL.5 3.DISASSEMBLY 3-1.Disassembly Flow .6 3-2.Bottom Panel Assy .7 3-3.Upper Panel Section.7

20、 3-4.LCD Module, Upper Panel Assy .8 3-5.MAIN Board Section .8 3-6.Battery Case Assy, MAIN Board.9 3-7.MD Mechanism Deck (MT-MZN1-171), Chassis Assy.9 3-8.OP Service Assy (LCX-5R). 10 3-9.Holder Assy . 11 3-10. DC Motor (Sled) (M602). 11 3-11. DC SSM18B Motor (Spindle) (M601), DC Motor (Over Write H

21、ead UP/DOWN) (M603) . 12 4.TEST MODE. 13 5.ELECTRICAL ADJUSTMENTS. 19 6.DIAGRAMS 6-1.Block Diagram SERVO/USB Section . 30 6-2.Block Diagram AUDIO Section . 31 6-3.Block Diagram DISPLAY/KEY CONTROL/ POWER SUPPLY Section . 32 6-4.Note for Printed Wiring Board and Schematic Diagrams . 33 6-5.Printed Wi

22、ring Board MAIN Board (Component Side) . 34 6-6.Printed Wiring Board MAIN Board (Conductor Side) . 35 6-7.Schematic Diagram MAIN Board (1/4) . 36 6-8.Schematic Diagram MAIN Board (2/4) . 37 6-9.Schematic Diagram MAIN Board (3/4) . 38 6-10. Schematic Diagram MAIN Board (4/4) . 39 6-11. IC Pin Functio

23、n Description . 46 7.EXPLODED VIEWS 7-1.Upper Panel Section. 53 7-2.Bottom Panel Section. 54 7-3.Chassis Section . 55 7-4.Main Board Section . 56 7-5.MD Mechanism Deck Section (MT-MZN1-171) . 57 8.ELECTRICAL PARTS LIST. 58 CAUTION Use of controls or adjustments or performance of procedures other tha

24、n those specified herein may result in hazardous ra- diation exposure. Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing Keep the temperature of the soldering ir

25、on around 270 C dur- ing repairing. Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead- free mark

26、(LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) : LEAD FREE MARK Unleaded solder has the following characteristics. Unleaded solder melts at a temperature about 40 C higher than ordinary sol

27、der. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 C . Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long

28、, so be careful! Strong viscosity Unleaded solder is more viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc. Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordi

29、nary solder. On power sources Use house current, nikel metal hydride rechargeable battery, LR6 (SG) battery, or car battery. For use in your house: For the supplied battery charging stand, use the AC power adaptor supplied with this recorder. Do not use any other AC power adaptor since it may cause

30、the recorder to malfunction. Polarity of the plug 收音机爱好者资料库 Ra d i o Fa n s .CN 4 MZ-N1 NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostat

31、ic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK Nev

32、er look into the laser diode emission from right above when checking it for adjustment. It is feared that you will lose your sight. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK (LCX-5R) The laser diode in the optical pick-up block may suffer electro- static break-down easily. When handling it, perfor

33、m soldering bridge to the laser-tap on the flexible board. Also perform mea- sures against electrostatic break-down sufficiently before the op- eration. The flexible board is easily damaged and should be handled with care. OPTICAL PICK-UP FLEXIBLE BOARD SECTION 1 SERVICING NOTES In performing the re

34、pair with the power supplied to the set, re- moving the MAIN board causes the set to be disabled. In such a case, fix a convex part of the open/close detect switch (S804 on MAIN board) with a tape in advance. Handle the FLEXIBLE board (over write head) with care, as it has been soldered directly to

35、the MAIN board. In repairing the component side of MAIN board, connect the FLEXIBLE board (over write head) and the MAIN board with the lead wires in advance. (See page 8) laser-tap upper panel assy MAIN board Tape S804 FLEXIBLE board (Over write head) The shipment data will be cleared when the NV i

36、s reset. There- fore, change the NV adjusted values following the Change of NV Adjusted Values immediately after the NV was reset. (See page 19) This set requires the patch data in the nonvolatile memory (IC802) to be rewritten using the application, when the MAIN board or nonvolatile memory (IC802)

37、 was replaced. (See page 27) System requirements IBM PC/AT or Compatible (The software does not run on Macintosh.) CPU: MMX Pentium 233 MHz or higher (Pentium II 400 MHz or higher is recommended.) Hard disk drive space: 60 MB or more (The amount of necessary space depends on the version of the Windo

38、ws OS or the size of your audio files.) RAM: 64 MB or higher (128 MB or higher is recommended for Windows XP Home Edition/Windows XP Professional.) CD-ROM drive (capable of digital playback by WDM) Sound Board USB port (supports USB 2.0 Full Speed (previously USB 1.1) Operating System: Windows 98/Wi

39、ndows 98 Second Edition/Windows 2000 Professional/Windows Me/Windows XP Home Edition/Windows XP Professional (manufacturer installed) The NTFS format of Windows 2000 Professional, Windows XP Home Edition, or Windows XP Professional (manufacturer-installed) is supported only when used with the standa

40、rd (factory) settings. This software is not supported by the following environments. Windows 95, Windows NT, or other versions of Windows NT (such as Server) An environment that is an upgrade of the original manufacturer-installed operating system, as in the following examples: Windows 3.1/Windows 9

41、5 t Windows 98 (or Windows 98 Second Edition/ Windows Me) Windows Me/Windows 2000 Professional t Windows XP Multi-boot environment with Windows 2000 (or Windows XP) and Windows 98 (or Windows 98 Second Edition/WindowsMe) Display: High (16bit) Color or more (800 480 dot or more) Internet access: for

42、Web registration and EMD services for software upgrades and CDDB2 use. (US and Canadian models) Windows Media Player (version 7.0 or higher) installed for playing WMA files. Notes Trouble-free operation is not assured within a multiple-monitor environment. We do not assure trouble-free operation for

43、 all computers satisfying the system requirements. Trouble-free operation is not guaranteed following the self-conducted upgrade of home-built PCs or operating systems. We do not assure trouble-free operation of the system suspend, sleep, or hibernation function on all computers. For details, refer

44、to “Net MD Help” of the online help. Note The optical digital output connector (on computers provided with one) may be disabled during playback for the protection of copyrights. Notes on using OpenMG Jukebox with Windows 2000/Windows XP If your computer is Windows 2000 Professional, Windows XP Home

45、Edition, or Windows XP Professional, please be aware of the following before instaling OpenMG Jukebox. 1 With Windows 2000 Professional, you must log on as “Administrators” (or with the user name “Administrator”) to install OpenMG Jukebox. 2With Windows XP Home Edition or Windows XP Professional, you must log on with user name “Computer Administrator” to install OpenMG Jubebox. To check whether a user name has t