JVC-MXJ100-cs-sm维修电路原理图.pdf

SERVICE MANUAL COMPACT COMPONENT SYSTEM No.20817 Jun. 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. Printed in Japan 200006(V) MX-J100 No.20817 Area Suffix J C U.S.A. Canada Safety precautions Important for laser products Preventing static electricity Disassembly method Adjustment method 1-2 1-3 1-4 1-5 1-19 Flow of functional operation until TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1-23 1-24 1-24 1-25 Contents COMPACT DIGITAL AUDIO SP-MXJ100SP-MXJ100CA-MXJ100 OPEN / CLOSE POWER STANDBY DISC CHANGE COMPACT DIGITAL AUDIO PLAYREC/PLAY CD SYNCHRO RECORDING EJECTEJECT PROGRAM/SET COUNTER RESET ACTIVE BASS EX.SOUND MODE CLOCK/TIMER REPEAT AUXFM/AM - TUNINGTUNING + CDTAPE TAPE A/B CD REC START A B DUBBING REC/PAUSE FULL-LOGIC CONTROL DEMO VOLUME CD1CD2CD3 + PLAY leave all servicing to qualified service personnel. 1.PRODUIT LASER CLASSE 1 2.ATTENTION: Radiation laser invisible quand lappareil est ouvert ou que le verrouillage est en panne ou dsactiv. Eviter une exposition directe au rayon. 3.ATTENTION: Ne pas ouvrir le couvercle du dessus. Il ny a aucune pice utilisable lintrieur. Laisser un personnel qualifi le soin de rparer votre appareil. 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. Attention Commutateur POWER! Dconnecter la fiche de secteur pour couper compltement le courant. Le commutateur POWER ne coupe jamais compltement la ligne de secteur, quelle que soit sa position. Le courant peut tre tlcommand. 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 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 exclamation 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 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, 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 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 and 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. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. MX-J100J.Safety/300.1.5, 3:30 PM1 G-2 For Canada/pour le Canada CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND. For Canada/pour le Canada THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS B LIMITS FOR RADIO NOISE EMISSIONS FROM DIGITAL APPARATUS AS SET OUT IN THE INTERFERENCE-CAUSING EQUIPMENT STANDARD ENTITLED “DIGITAL APPARATUS,” ICES-003 OF THE DEPARTMENT OF COMMUNICATIONS. CET APPAREIL NUMERIQUE RESPECTE LES LIMITES DE BRUITS RADIOELECTRIQUES APPLICABLES AUX APPAREILS NUMIRIQUES DE CLASSE B PRESCRITES DANS LA NORME SUR LE MATERIEL BROUILLEUR: “APPAREILS NUMERIQUES”, NMB-003 EDICTEE PAR LE MINISTRE DES COMMUNICATIONS. MX-J100J.Safety/300.1.5, 3:30 PM2 1 Introduction About This Manual This manual is organized as follows: The manual mainly explains operations using the buttons and controls on the unit. You can also use the buttons on the remote control if they have the same or similar names (or marks) as those on the unit. If operation using the remote control is different from that using the unit, it is then explained. Basic and common information that is the same for many functions is grouped in one place, and is not repeated in each procedure. For instance, we do not repeat the information about turning on/off the unit, setting the volume, changing the sound effects, and others, which are explained in the section “Common Operations” on pages 9 and 10. The following marks are used in this manual: Gives you warnings and cautions to prevent from a damage or risk of fire/electric shock. Also gives you information which is not good for obtaining the best possible performance from the unit. Gives you information and hints you had better know. Precautions Installation Install in a place which is level, dry and neither too hot nor too cold between 5C (41F) and 35C (95F). Install the unit in a location with adequate ventilation to prevent internal heat built-up in the unit. Leave sufficient distance between the unit and the TV. Keep the speakers away from the TV to avoid interference with TV. DO NOT install the unit in a location near heat sources, or in a place subject to direct sunlight, excessive dust or vibration. We would like to thank you for purchasing one of our JVC products. Before operating this unit, read this manual carefully and thoroughly to obtain the best possible performance from your unit, and retain this manual for future reference. Power sources When unplugging from the wall outlet, always pull the plug, not the AC power cord. DO NOT handle the AC power cord with wet hands. Moisture condensation Moisture may condense on the lens inside the unit in the following cases: After starting heating in the room In a damp room If the unit is brought directly from a cold to a warm place Should this occur, the unit may malfunction. In this case, leave the unit turned on for a few hours until the moisture evaporates, unplug the AC power cord, and then plug it in again. Others Should any metallic object or liquid fall into the unit, unplug the unit and consult your dealer before operating any further. If you are not going to operate the unit for an extended period of time, unplug the AC power cord from the wall outlet. DO NOT disassemble the unit since there are no user serviceable parts inside. If anything goes wrong, unplug the AC power cord and consult your dealer. EN01-11.MX-J100J/300.1.5, 3:32 PM1 2 Contents Location of the Buttons and Controls. 3 Front Panel . 4 Remote Control . 5 Getting Started. 6 Unpacking . 6 Putting the Batteries into the Remote Control . 6 Connecting Antennas . 6 Connecting Speakers . 7 Connecting Other Equipment. 8 Common Operations . 9 Setting the Clock . 9 Turning On the Power and Selecting the Sources. 9 Adjusting the Volume . 10 Reinforcing the Bass Sound . 10 Selecting the Sound Modes. 10 Listening to FM and AM Broadcasts. 11 Tuning in a Station . 11 Presetting Stations. 11 Tuning in a Preset Station . 11 Playing Back CDs . 12 Loading CDs . 12 Playing Back CDs . 12 Basic CD Operations. 13 Programming the Playing Order of the Tracks Program Play . 13 Playing Back Tapes. 14 Playing Back a Tape . 14 Recording . 15 Recording Tapes on Deck B. 15 Resetting the tape counter . 15 Dubbing Tapes. 15 CD Direct Recording. 15 Using the Timers . 16 Using Recording and Daily Timer . 16 Using Sleep Timer. 18 Maintenance. 19 Troubleshooting . 20 Specifications. 20 EN01-11.MX-J100J/300.1.5, 3:32 PM2 3 Location of the Buttons and Controls Become familiar with the buttons and controls on your unit. OPEN / CLOSE POWER STANDBY DISC CHANGE COMPACT DIGITAL AUDIO VOLUME PLAYREC/PLAY CD SYNCHRO RECORDING EJECTEJECT PROGRAM/SET COUNTER RESET ACTIVE BASS EX.SOUND MODE CLOCK/TIMER REPEAT AUXFM/AM - TUNING PRESET+ TUNING + CDTAPE TAPE A/B CD REC START A B DUBBING REC/PAUSE 1 2 3 t 8? h j k o ; s d f g 4 6 5 9 e q r p w 7 y u i l / CD1CD2CD3 + PLAY 0 OPEN/CLOSE button (12) Pressing this button also turns on the unit. a DISC CHANGE button (12) s VOLUME control (10) d CD 6 (play/pause) button (12) Pressing this button also turns on the unit. f TAPE 3 button (14) Pressing this button also turns on the unit. g TAPE A/B button (14) Continued h CD REC START button (15) j A 3 B DUBBING button (15) k REC/PAUSE button (15) l PRESET + button (11) (forward search) button (9, 13, 16) / EJECT 0 button for deck B (15) z Deck B cassette holder (15) Display window 1 Disc indicators 2 CD-SYNC indicator 3 SLEEP indicator 4 BASS indicator 5 Tape operation indicators TAPE and A B (operating deck) indicators 6 SOUND indicator 7 REC indicator 8 (timer) indicator 9 Tuner operation indicators TUNED, MONO and ST (stereo) indicators p CD play mode indicators REPEAT and (ALL/1/CD) indicators q PRESET and PRGM (program) number indicators w Main display Shows the source name, frequency, etc. e Volume level indicators Display Window 2 13 VOL RECCD-SYNCA B ST TAPE SLEEPSOUND PRGM REPEAT ALL 1 CD PRESET kHz MHz 123457896 pqwe EN01-11.MX-J100J/F00.5.29, 11:12 AM4 5 Remote Control Remote Control 1 POWER button (9) 2 PROGRAM/SET button (9) 3 REPEAT button (12) 4 CD 0 button (12) Pressing this button also turns on the unit. 5 TAPE A/ B button (14) 6 CD 38 button (12) Pressing this button also turns on the unit. 7 TAPE 3 button (14 15) Pressing this button also turns on the unit. 8 7 (stop) button (12 13) 9 VOL. + button (10) p 4 / 1 (fast rewind/reverse search) button (13 14) q VOL. button (10) w SLEEP button (18) e TIMER ON/OFF button (17) r SOUND MODE button (10) t ACTIVE BASS EX. (extension) button (10) y FM MODE button (11) u TUNING MODE button (11) i AUX button (9) Pressing this button also turns on the unit. o FM/AM button (11) Pressing this button also turns on the unit. ; DISC SKIP button (12) a / (fast forward/forward search) button (13 14) s FADE MUTING button (10) 1 2 4 5 6 7 8 9 p o i u y t r e w q 3 ; a s CD PROGRAM /SET REPEAT ON/OFFSLEEP POWERTIMER SOUND MODE ACTIVE BASS EX. TAPEA/BTUNING MODE FM MODE TAPE DISC SKIP VOL. VOL. FM/AMAUX FADE MUTING + RMSMXJ100J REMOTE CONTROL CD FULL-LOGIC CONTROL OPEN / CLOSE POWER STANDBY DISC CHANGE COMPACT DIGITAL AUDIO REC/PLAY CD SYNCHRO RECORDING EJECTEJECT PROGRAM/SET COUNTER RESET ACTIVE BASS EX.SOUND MODE CLOCK/TIMER REPEAT AUXFM/AM - TUNINGTUNING + CDTAPE TAPE A/B CD REC START A B DUBBING REC/PAUSE PHONES DEMO VOLUME CD1CD2CD3 + PLAY otherwise, a sudden blast of sound can damage your hearing, speakers and/or headphones when you turn on the unit or start playing any source next time. REMEMBER you cannot adjust the volume level while the unit is on standby. To turn down the volume level temporarily Press FADE MUTING on the remote control. To restore the sound, press the button again. FADE MUTING VOL SOUND (Canceled) VOLUME + VOL VOL ACTIVE BASS EX. SOUND MODE EN01-11.MX-J100J/300.1.5, 3:33 PM10 11 Listening to FM and AM Broadcasts Tuning in a Station 1Press FM/AM. The unit automatically turns on and tunes in the previously tuned station (either FM or AM). Each time you press the button, the band alternates between FM and AM. 2Select a station. On the unit: Press and hold TUNING or TUNING + for more than 1 second. On the remote control: 1) Press TUNING MODE so that “MANUAL” appears on the display. 2) Press and hold 41 or for more than 1 second. The unit starts searching for stations and stops when a station of sufficient signal strength is tuned in. If a program is broadcast in stereo, the ST (stereo) indicator lights up. To stop during searching, press TUNING or TUNING + or (41?or on the remote control). When you press TUNING or TUNING + (41 or on the remote control) briefly and repeatedly The frequency changes step by step. To change the FM reception mode When an FM stereo broadcast is hard to receive or noisy, press FM MODE on the remote control so that the MONO indicator lights up on the display. Reception improves. To restore the stereo effect, press FM MODE again so that the MONO indicator goes off. In this stereo mode, you can hear stereo sounds when a program is broadcast in stereo. The FM reception mode is restored even when the unit is turned off. Presetting Stations You can preset 30 FM and 15 AM stations. In some cases, test frequencies have been already memorized for the tuner since the factory examined the tuner preset function before shipment. This is not a malfunction. You can preset the stations you want into memory by following the presetting method. There is a time limit in doing the following steps. If the setting is canceled before you finish, start from step 1 aga