Marantz-ER2500-avr-sm 电路图 维修手册.pdf

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1、? ? ? ? ? ? ? ? ? ? ? ? DVD Surround Receiver ER2500 Part no. 90M16BW855010 First Issue 2004.07 ecm Service Manual ER2500 /N1S /S1S /U1S Please use this service manual with referring to the user guide (D.F.U) without fail. ER2500 TABLE OF CONTENTS SECTIONPAGE 1. TECHNICAL SPECIFICATIONS. 1 2. SERVIC

2、E HINTS AND TOOLS . 3 3. WARNING AND LASER SAFETY INSTRUCTIONS . 4 4. EMERGENCY DISC EJECT. 5 5. BACK END SOFTWARE (Firmware) VERSION CHECK . 6 6. REPLACING MECHA LOADER AND MECHA TRAVERSE. 7 7. BACK END SOFTWARE (Firmware) UPDATE PROCEDURE . 8 8. POWER AMPLIFIER DC OFFSET ADJUSTMENT. 9 9. WIRING DI

3、AGRAM. 11 10. BLOCK DIAGRAM. 12 11. SCHEMATIC DIAGRAM . 13 12. PARTS LOCATION . 20 13. IC DATA . 23 14. EXPLODED VIEW AND PARTS LIST . 32 15. ELECTRICAL PARTS LIST . 35 RadioFans.CN 收音机爱 好者资料库 MARANTZ DESIGN AND SERVICE Using superior design and selected high grade components, MARANTZ company has cr

4、eated the ultimate in stereo sound. Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which it is famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can

5、 be ordered either by mail or by Fax. In both cases, the correct part number has to be specified. The following information must be supplied to eliminate delays in processing your order : 1. Complete address 2. Complete part numbers and quantities required 3. Description of parts 4. Model number for

6、 which part is required 5. Way of shipment 6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void. SHOCK, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance betwee

7、n either primary AC cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and controls and chassis bottom. Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, an

8、d verified before it is return to the user/customer. Ref. UL Standard No. 1492. In case of difficulties, do not hesitate to contact the Technical Department at above mentioned address. 040401ECM SUPERSCOPE TECHNOLOGIES, INC. USA MARANTZ AMERICA, INC 1100 MAPLEWOOD DRIVE ITASCA, IL. 60143 USA PHONE :

9、 630 - 741 - 0300 FAX : 630 - 741 - 0301 JAPANTechnical MARANTZ JAPAN, INC. 35- 1, 7- CHOME, SAGAMIONO SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX : +81 42 741 9190 EUROPE / TRADING MARANTZ EUROPE B.V. P. O. BOX 8744, BUILDING SILVERPOINT BEEMDSTRAAT 11, 5653 MA EINDHOVEN T

10、HE NETHERLANDS PHONE : +31 - 40 - 2507844 FAX : +31 - 40 - 2507860 AUSTRALIA QualiFi Pty Ltd, 24 LIONEL ROAD, MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - (0)3 - 9543 - 1522 FAX : +61 - (0)3 - 9543 - 3677 NEW ZEALAND WILDASH AUDIO SYSTEMS NZ 14 MALVERN ROAD MT ALBERT AUCKLAND NEW ZEALAND PHONE : +6

11、4 - 9 - 8451958 FAX : +64 - 9 - 8463554 THAILAND MRZ STANDARD CO., LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - 222 9181 FAX : +66 - 2 - 224 6795 TAIWAN PAI- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C. PHONE :

12、+886 - 2 - 25221304 FAX : +886 - 2 - 25630415 MALAYSIA WO KEE HONG ELECTRONICS SDN. BHD. 2ND FLOOR BANGUNAN INFINITE CENTRE LOT 1, JALAN 13/6, 46200 PETALING JAYA SELANGOR DARUL EHSAN, MALAYSIA PHONE : +60 - 3 - 7954 8088 FAX : +60 - 3 - 7954 7088 AMERICAS MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OA

13、K CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103 KOREA MK ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KOREA PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORE WO KEE HONG DISTRIBUTION PTE LTD No.1 JA

14、LAN KILANG TIMOR #08-03 PACIFIC TECH CENTRE SINGAPORE 159303 PHONE : +65 6376 0338 FAX : +65 6376 0166 HONG KONG Jolly ProAudio Broadcast Engineering Ltd. UNIT 2, 10F, WAH HUNG CENTRE, 41 HUNG TO ROAD, KWUN TONG, KLN., HONG KONG PHONE : 852 - 21913660 FAX : 852 - 21913990 CANADA MARANTZ CANADA INC.

15、5-505 APPLE CREEK BLVD. MARKHAM, ONTARIO L3R 5B1 CANADA PHONE : 905 - 415 - 9292 FAX : 905 - 475 - 4159 TECHNICAL AUDIO GROUP PTY, LTD 43-53 Bridge Rd., STANMORE NSW 2048 AUSTRALIA PHONE : +61 - (0)2 - 9519 - 0900 FAX : +61 - (0)2 - 9519 - 0600 AUSTRALIA RadioFans.CN 收音机爱 好者资料库 1 AMPLIFIER SECTION O

16、utput power (6ohms, 1 kHz, THD 0.8%).90 W/Ch Output power (6ohms, 1 kHz, THD 5%) .100 W/Ch Total Harmonic Distortion. 0.1% Signal-to-Noise Ratio . 80 dB TUNER SECTION FM Tuning Range . FM 87.5 108 MHz (50 kHz steps) /N FM 87.5 108 MHz (100 kHz steps) /U FM 87.5 108 MHz (50 kHz steps) /S Signal-to-No

17、ise Ratio . FM Mono 70 dB FM Stereo 70 dB Total Harmonic Distortion . FM Mono 0.3% FM Stereo 0.3% Stereo Separation .1 kHz 40 dB AM Tuning Range . AM 531 1629 kHz (9 kHz steps) /N AM 520 1720 kHz (10 kHz steps) /U AM 531 1629 kHz (9 kHz steps) /S Signal-to-Noise Ratio . 35 dB Harmonic Distortion. 30

18、% Mod. 2.0% 1. TECHNICAL SPECIFICATIONS DVD SECTION Laser Type. Semiconductor Disc Diameter. 12cm / 8cm Video Decoding.MPEG-2 Video DAC. 54MHz/10 Bits Video Format. 4:3 / 16:9 Frequency Response . 20 Hz - 20 kHz (44.1 kHz) 20 Hz - 22 kHz (48 kHz) GENERAL Power Supply Rating. AC 230 V / 50 Hz /N AC 1

19、20 V / 60 Hz /U AC 230 V / 50 Hz /S Power Consumption. 155 W Dimensions (W x H x D). 430 mm x 360 mm x 74 mm Weight . 5.5 kg Operating temperature . 5 C 35 C (40 F 95 F) Operating humidity . 5% 90% About Discs Playable discs Not Playable Discs DVD discs whose region number is not “2” nor “ALL”. DVD-

20、ROM DVD-RAM DVD-Audio CD-ROM CDV CD-G CVD Super Audio CD CD Photo, etc. Caution Some copy-controlled CDs may not conform to official CD standards. They are special discs and may not play on the this unit. DVD DVD+R/DVD+RW DVD-R/DVD-RW Finalized DVD disc recorded in the DVD video format. Video CD (VC

21、D) / Super Video CD(SVCD) Audio CD (CD-DA) CD-R/CD-RW Finalized CD-R and CD-RW discs recorded in the CD-DA format, MP3 format ( p4 “ABOUT MP3/WMA”) or Video-CD format can be played with the unit. * Finalize is the process to make a DVD+R/DVD+RW, DVD- R/DVD-RW or CD-R/CD-RW playable for players (not

22、recorders) * Some discs may not be able to be played depending on condition of the discs and recording software. RadioFans.CN 收音机爱 好者资料库 2 Video Format This unit can handle with MULTI, NTSC or PAL format. Caution This unit cannot handle with NTSC4.43 and SECAM formats. SETTING PICTURE FORMAT 1. Ever

23、y time the NTSC/PAL button on the remote is pressed, picture format changes in the following order. NTSCPALMULTI Caution If wrong color or disordered picture appears in the MULTI mode, switch the mode to NTSC or PAL. If a disc recorded in PAL(NTSC) is played in the NTSC(PAL) mode, picture may be dis

24、ordered. ABOUT DVD DISCS Marks on packages The marks listed below indicate contents in a disc. Indicates the number of recorded audio tracks. Indicates the number of recorded subtitle languages. Indicates the number of recorded angles. Indicates the selectable aspect ratios. Indicates the region num

25、ber of the disc. 4 2 2 16 : 9LB 2 2ALLALL REGIONAL RESTRICTION CODES (REGION NUMBER) Regional restriction codes are built in to ER2500 player and DVD discs for each sales region. If the regional code of the ER2500 player does not match one of the regional codes of the DVD disc, playback is not possi

26、ble. The region number can be found on the rear panel of the ER2500 player. The illustration below shows the regions and corresponding region numbers. STRUCTURE OF DVD DISCS Depending on the material on the disc (a movie, video clips, a drama series, etc.), these discs may have one or more Titles, a

27、nd each Title may have one or more Chapters. To make access easy and convenient, your player lets you move between Titles and between Chapters. About Video CDs VARIATIONS OF VIDEO CD Video-CD Version 2.0 The Video-CD with PBC (Play Back Control : Menu playback function) function. You can choose or s

28、earch a section to play with a menu displayed on the TV screen. Also still pictures can be displayed in higher quality. Video-CD Version 1.1 The video-CD without PBC function. It can play video and audio by operation much like to the ordinary audio-CD. STRUCTURE OF VIDEO-CD DISCS Depending on the ma

29、terial on the disc (a movie, video clips, a drama series, etc.), these discs may have one or more tracks, and tracks may have one or more indexes, as indicated on the disc case. To make access easy and convenient, your player lets you move between tracks and between indexes. About Audio CD STRUCTURE

30、 OF AUDIO CD Audio CDs contain music tracks only. You can play them in conventional style through a stereo system, using the keys on the remote control and/or front panel. ABOUT MP3/WMA MP3 is the compressed music file in MPEG1, Audio Layer 3 format. A WMA(Windows Media Audio) file is a Microsoft au

31、dio compression technology. WMA offers double the audio compression of the MP3 format. Microsoft, Windows Media, and the Windows Logo are trademarks or registered trademarks of Microsoft Corporation in both the United States and other countries. MP3/WMA PLAYBACK This player can play MP3/WMA discs re

32、corded in ISO9660 format. The player plays the files with “.mp3/.WMA” extension only. The maximum file number in a disc is 650. (Including the number of folders.) The maximum folder layer number is 8. When playing a MP3/WMA disc, it may take more than 30 seconds depending on the number of files and

33、folder layer structure. 3 2. SERVICE HINTS AND TOOLS DVD test disc (NTSC) ALMEDIOTDV-540 SERVICE TOOLS Audio signals disc4822 397 30184 Disc without errors (SBC444)+ Disc with DO errors, black spots and fingerprints (SBC444A)4822 397 30245 Disc (65 min 1kHz) without no pause4822 397 30155 Max. diame

34、ter disc (58.0 mm)4822 397 60141 Torx screwdrivers Set (straight)4822 395 50145 Set (square)4822 395 50132 13th order filter4822 395 30204 DVD test disc (PAL)4822 397 10131 SERVICE HINTS 4 3. WARNING AND LASER SAFETY INSTRUCTIONS F ATTENTION Tous les IC et beaucoup dautres semi- conducteurs sont sen

35、sibles aux dcharges statiques (ESD). Leur longvit pourrait tre considrablement courte par le fait quaucune prcaution nest prise a leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfiler le bracelet serti dune rsistance de scurit. Veiller

36、 a ce que les composants ainsi que les outils que lon utilise soient galement a ce potentiel. D WARNUNG Alle IC und viele andere Halbleiter sind empfindlich gegen elektrostatische Entladungen (ESD). Unsorgfltige Behandlung bei der Reparatur kann die Lebensdauer drastisch vermindern. Sorgen sie dafr,

37、 das Sie im Reparaturfall ber ein Pulsarmband mit Widerstand mit dem Massepotential des Gertes verbunden sind. Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem Potential. WAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor elektrostatische ontladingen (ESD). Onzorgvuldig be

38、handelen tijdens reparatie kan de levensduur drastisch doen verminderen. Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. AVVERTIMENTO Tutti IC e par

39、ecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevita potrebbe essere fortemente ridatta in caso di non osservazione della piu grande cauzione alla loro manipolazione. Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa

40、dellapparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale. All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drast

41、ically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. WARNING Safety regulations require that the set be restored to its original condition and that parts which are i

42、dentical with those specified be used. Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkelijke toestand wordt terug gebracht en dat onderdelen, identiek aan de gespecifieerde worden toegepast. Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten. Der Originalzustand des Gerats darf nicht verandert werden. Fur Reparaturen sind Original-Ersatzteile zu verwenden