JVC-XM448BK-md-sm 电路图 维修手册.pdf

《JVC-XM448BK-md-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《JVC-XM448BK-md-sm 电路图 维修手册.pdf（44页珍藏版）》请在收音机爱好者资料库上搜索。

1、INSTRUCTIONS XM-448BK For Customer Use: Enter below the Model No. and Serial No. which are located either on the rear, bottom or side of the cabinet. Retain this information for future reference. Model No. Serial No. LVT0222-001A J MINI DISC RECORDER 14 0 837 RM-SXM448J REMOTE CONTROL 12345 678910 +

2、10 POWER PROGRAMCANCELRANDOMREPEAT ON/OFF TRACK MARKING DIMMERMODE XM-448BKJ.COVER99.1.28, 3:21 PM1 RadioFans.CN 收音机爱 好者资料库 CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK. DO NOT REMOVE COVER (OR BACK) NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. RISK OF ELECTRIC

3、SHOCK DO NOT OPEN The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamat

4、ion point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. CAUTION WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR

5、MOISTURE. For U.S.A. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,

6、 uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful

7、interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment an

8、d receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. G-1 Warnings, Cautions and Others CAUTION To reduce the risk of electrical shocks, fire, etc.: 1.Do not remove scre

9、ws, covers or cabinet. 2.Do not expose this appliance to rain or moisture. 1.CLASS 1 LASER PRODUCT 2.DANGER: Invisible laser radiation when open and interlock failed or defeated. Avoid direct exposure to beam. 3.CAUTION: Do not open the top cover. There are no user serviceable parts inside the Unit;

10、 leave all servicing to qualified service personnel. Caution POWER switch! Disconnect the mains plug to shut the power off completely. The POWER switch in any position does not disconnect the mains line. The power can be remote controlled. XM-448BKJ.Safety99.1.28, 3:21 PM1 RadioFans.CN 收音机爱 好者资料库 1

11、Welcome ! We would like to thank you for purchasing one of our JVC products. Before connecting this unit to the wall outlet, please read the instructions carefully to ensure that you obtain the best possible performance. If you have any questions, please consult your JVC dealer. Important cautions I

12、nstallation of the Unit Select a place which is level, dry and neither too hot nor too cold (between 5C and 35C or 41F and 95F). Leave sufficient distance between the unit and a TV set. Be sure to place the unit in a location with good ventilation. Do not use the unit in a place subject to vibration

13、s. Do not place the unit on a carpet. Do not place the unit on top of another heat-generating piece of equipment. Power cord Do not handle the power cord with wet hands! When unplugging the unit from the wall outlet, always pull the plug, not the power cord. Malfunctions, etc. There are no user serv

14、iceable parts inside. If anything goes wrong, turn off the power immediately. If the same problem occurs again when the power is turned on once more, turn off the power again, unplug the power cord and consult your dealer. Do not insert any metallic object into the unit. For safe use, observe the fo

15、llowing Avoid moisture, water and dust Do not set your machine in moist or dusty places. Avoid high temperatures Do not expose your machine to direct sunlight or set near a heating device. Do not block the vents Poor-ventilation may damage your machine. So do not block the vents or put the unit in a

16、 poorly ventilated place. When youre away When away on travel or otherwise for an extended period of time, turn off the power and pull the plug from the electrical socket. Do not insert any foreign matter into the unit Do not insert wires, hairpins, coins, etc. into your unit. Care for the cabinet W

17、hen cleaning your unit, use a soft cloth and follow the relevant instructions on the use of chemically-coated cloths. Avoid applying benzene, thinner or other organic solvents and disinfectants. This may cause deformation or discoloring. If water gets inside the unit Turn off the power and pull the

18、plug from the electrical socket, then call the store where you made your purchase. Using the unit in this state may cause a fire or electrical shock. US and foreign patents licensed from Dolby Laboratories Licensing Corporation. EN01-16.XM-448BKJ/f99.1.28, 3:24 PM1 RadioFans.CN 收音机爱 好者资料库 2 Table of

19、 Contents Welcome !. 1 Important cautions . 1 For safe use, observe the following . 1 Parts Index. 3 Front panel. 3 Display. 3 Remote control unit . 4 Setting up the System . 5 Supplied accessories. 5 Remote control batteries. 5 Operating the remote control unit. 5 Connection. 6 Turning the Power On

20、 and Off. 7 Power On . 7 Power Off. 7 Playback. 8 Continuous playback . 8 Using the display mode . 10 Program playback. 10 Random playback . 12 Repeat playback. 13 Recording . 14 Recording operation . 14 Editing Functions. 17 MD editing functions. 17 Dividing a track (DIVIDE). 19 Joining tracks (JOI

21、N) . 20 Moving a track (MOVE) . 22 Erasing a track (ERASE). 23 Erasing all tracks in an MD (ALL ERASE). 25 Assigning the disc title and track titles. 26 COMPU LINK . 30 Linked Operation of the Other Optional Components (Compu Link). 30 TEXT COMPU LINK . 31 Rule on Digital Copying. 33 SCMS (Serial Co

22、py Management System). 33 About MD (Mini Disc) . 34 Role of the cartridge . 34 Two disc types . 34 ATRAC (Adaptive TRansform Acoustic Coding). 35 Sound skip guard memory. 35 UTOC (User Table Of Contents) . 35 Handling MDs . 36 MD Messages . 37 MD Restrictions. 38 Troubleshooting . 39 Specifications.

23、 Back cover EN01-16.XM-448BKJ/f99.1.28, 3:24 PM2 3 Parts Index Become familiar with the buttons and controls before use. Refer to the pages in parentheses for details. Front panel 1PHONES jack (9) 2PHONES LEVEL control (9) 3DISPLAY/CHARACTER button (10, 26) 4INPUT SELECTOR button (15) 5Display 6Jog

24、dial (4, /REC LEVEL) (9, 16) 71, buttons (9) 86 PLAY/PAUSE button (8, 9) 97 STOP/CANCEL button (8, 11, 19, 27) p REC PAUSE button (14) qENTER button (20, 27) wSET button (11, 19, 26) eEDIT button (19) rTITLE button (26) Display 1Level indicators and OVER indicator (16) 2TOC indicator (20) 3REC indic

25、ator (14) 4Play/Pause indicators (3 (Play), 8 (Pause) (8, 9, 14) 5MD editing mode indicators (19 25) (DIVIDE, JOIN, MOVE, ERASE, ALL ERASE) 6Repeat mode indicators (13) (REPEAT ALL, REPEAT 1) t0 (Eject) button (8) yMD insertion slot (8) uDisc indicator (7, 14) iREPEAT button (13) oPLAY MODE button (

26、10, 12) ;Remote sensor (5) a POWER button (7) sSTANDBY indicator (7) 7Music calendar (19) 8Play mode indicators (10, 12) (PROGRAM, RANDOM) 9Character display (11 digits) (26) pMD indicator (7) qInput mode indicators (15) (DIGITAL 1, DIGITAL 2) wSampling frequency indicators (15) (32 kHz, 44.1 kHz, 4

27、8 kHz) 1 wqp98 243567 s 1 a;oiu ytre wq p 9 8 243567 DIGITAL 12 MD 32kHz 44.1kHz 48kHz TOC MD EDIT DIVIDE JOIN MOVE ALL ERASE PROGRAM RANDOM REPEAT ALL 1 1 6 11 16 2 7 12 17 3 8 13 18 4 9 14 19 5 10 15 20 L 40 30 20 15 10 6 3 0 dB R RECREC OVEROVER EN01-16.XM-448BKJ/f99.1.28, 3:25 PM3 4 Remote contr

28、ol unit 1POWER button 2PLAY MODE buttons CANCEL (11, 19, 28) PROGRAM (11) RANDOM (12) REPEAT (13) 3Numeric keys 4DISPLAY buttons ON/OFF (10) DIMMER (10) MODE (10) 5MD control buttons TRACK MARKING (16) (Recording Pause) (14) 8 (Pause) (9) 7 (Stop) (8) 3 (Play) (8) 4, (9) 1, (9) 0 (Eject) (8) Open th

29、e cover panel as shown below to access the editing control button panel. This button does not function. 14 0 837 RM-SXM448J REMOTE CONTROL 4 5 12345 678910 +10 1 POWER 2 3 PROGRAMCANCELRANDOMREPEAT ON/OFF TRACK MARKING DIMMERMODE RM-SXM448J REMOTE CONTROL 76 SPACE EDITTITLE ENTERSET CANCEL SMALL LET

30、TER POWER 378 Buttons on the Inside Panel 6Character input keyboard (28) Numbers, Alphabets, and Symbols 7MD editing buttons TITLE (28) EDIT (19) SET (19, 28) ENTER (20, 28) 3 (Play) (8) CANCEL (19, 28) (20, 28) SMALL LETTER (28) Inside panel EN01-16.XM-448BKJ/f99.1.28, 3:25 PM4 5 Setting up the Sys

31、tem Supplied accessories Before setting up your system make sure you received all of the following supplied accessories. Remote control unit (1) Batteries R03 (UM-4)/AAA (24F) (2) Audio pin cord (2) Optical digital cable (1) Compu Link cable (1) Text Compu Link cable (1) AC power cord (1) Remote con

32、trol batteries Match the polarity (+ and ) on the batteries with the + and markings in the battery compartment. CAUTION: Handle batteries properly. To avoid battery leakage or explosion: Remove batteries when the remote control unit will not be used for a long time. When you need to replace the batt

33、eries, replace both batteries at the same time with new ones. Do not use an old battery with a new one. Do not use different types of batteries together. Operating the remote control unit The remote control unit makes it easy to use many of the functions of the system from a distance of up to 7 m (2

34、3 feet) away. You need to point the remote control unit at the remote sensor on the front panel. R03 (UM-4)/AAA (24F) Remote sensor EN01-16.XM-448BKJ/f99.1.28, 3:25 PM5 6 AC IN DIGITAL IN TEXT COMPU LINK 1 (MASTER UNIT) 2 (SLAVE UNIT) LEFTRIGHT COMPU LINK- 3 (SYNCHRO) IN (REC) OUT (PLAY) ANALOG 1- O

35、PTICAL- 2 Connection Signal cable connections Audio pin cords Connect to the MD jacks, TAPE jacks, etc. of an external unit. Always connect the jacks with the plugs of the same colors so as not to fail in the L (Left) and R (Right) connections. Connect the OUT (PLAY) jacks to the IN (PLAY) jacks of

36、the external unit, and the IN (REC) jacks to its OUT (REC) jacks. Example: Amplifier/Tuner Example: CD player Audio pin cord (supplied) Optical digital cable Connect to the DIGITAL OUT jack of your DBS tuner, etc. Optical digital cable Connect to the DIGITAL OUT jack of the CD player, for example. C

37、onnect to the COMPU LINK-3 (SYNCHRO) jack of another JVC component equipped with the COMPU LINK remote control system. See page 30. Optical digital cable (supplied) Be sure to remove the protective cap before using the DIGITAL IN terminals. Keep the cap in a safe place so you can replace it when not

38、 using the DIGITAL IN terminals. Connect to the TEXT COMPU LINK jack of another JVC component equipped with the TEXT COMPU LINK remote control system. See pages 31 and 32. EN01-16.XM-448BKJ/f99.1.28, 3:25 PM6 7 AC power cord connection First, firmly insert the supplied AC power cord into the AC inle

39、t on the back of the unit. Next, plug the AC power cord plug into the wall outlet. Cautions Use only the JVC AC power cord provided with this unit to avoid malfunction or damage to the unit. Be sure to unplug the power cord from the outlet when going out or when the unit is not in use for an extende

40、d period of time. Turning the Power On and Off Power On 1 Press POWER on the main unit or on the remote control unit. The STANDBY indicator goes out, the disc indicator lights in green, and the display comes on. The MD indicator lights up on the display. When no MD is loaded: “NO DISC” is shown on t

41、he display. When an MD is already loaded: The following messages are shown on the display in succession. “TOC Reading” The disc title, if the MD has. Number of tracks and the total playing time of the MD You can play the MD by pressing 6 on the main unit or 3 on the remote control unit. For detailed

42、 description, see “Playback” on the next page. Power Off 1 Press POWER again. The STANDBY indicator lights up, the disc indicator goes out, and the display blanks. Some power (7W) is always consumed even though power is turned off (called Standby mode). To switch off the unit completely, unplug the

43、AC power cord from the AC outlet. AC power cord To wall outlet AC inlet AC IN DIGITAL IN TEXT COMPU LINK 1 (MASTER UNIT) 2 (SLAVE UNIT) LEFTRIGHT COMPU LINK- 3 (SYNCHRO) IN (REC) OUT (PLAY) ANALOG 1- OPTICAL- 2 EN01-16.XM-448BKJ/f99.1.28, 3:25 PM7 8 Playback Number of tracksTotal playing time OR You

44、 can also use the button on the inside panel of the remote control. OR OR Continuous playback The basic operation for playing an MD is described below. When no MD is loaded yet, “NO DISC” is shown on the display. 1 Load an MD. Hold an MD with the side on which an arrow is marked facing up, and insert it into the slot in the direction of the arrow. The MD will be pulled in automatically from the middle. If the MD has a disc title, the display shows the disc title then the number of tracks and total playing time of the MD. The tracks in the MD appear on the music calendar. N