Marantz-SC7S2-pre-sm 维修电路原理图.pdf

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1、SC-7S2Please use this service manual with referring to the user guide ( D.F.U. ) without fail.ServiceManualSC-7S2SC-7S2SC-7S2 /F N/K1G/N1G/U1GPart no. 90M340J855010First Issue 2006.09MZStereo Control Amplifi erTABLE OF CONTENTSSECTION PAGE 1. TECHNICAL SPECIFICATIONS . 1 2. CAUTION . 1 3. SERVICE MO

2、DE . 2 4. UPDATE FIRMWARE . 4 A SOFTWARE (fdtv306r00.exe) DOWNLOADS AND INSTALLS PROCEDURE . 4 B WRITING AND UPDATE SOFTWARE .31 5. BLOCK DIAGRAM . 42 6. WIRING DIAGRAM . 43 7. SCHEMATIC DIAGRAM . 45 8. PARTS LOCATION . 53 9. EXPLODED VIEW AND PARTS LIST . 69 10. IC DATA . 73 11. ELECTRICAL PARTS LI

3、ST . 79 12. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE . 93BALANCEDCDLINE 1DISPLAYATTLINE 2RECORDERASYNCBinput selectorpower on/offstereo control amplifier sc-7s2volumeinput selectorpower on/offstereo control amplifier sc-7s2volumeRadioFans.CN 收音机爱 好者资料库MARANTZ DESIGN AND SERVICEUsing superior

4、design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifi cations for which it is famous. Parts for your MARANTZ equipment are generally available to our

5、 National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be specifi ed. The following information must be supplied to eliminate delays in processing your order : 1. Complete address 2. Complete part numbers a

6、nd quantities required 3. Description of parts 4. Model number for 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

7、and prior to returning to customer, measure the resistance between 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 caus

8、e unit to be repaired or corrected before AC power is applied, and verifi ed before it is return to the user/customer. Ref. UL Standard No. 6500.In case of diffi culties, do not hesitate to contact the Technical Department at above mentioned address. 060607MZUSAMARANTZ AMERICA, INC100 CORPORATE DRIV

9、EMAHWAH, NEW JERSEY 07430USAEUROPE / TRADINGMARANTZ EUROPE B.V.P. O. BOX 8744, BUILDING SILVERPOINTBEEMDSTRAAT 11, 5653 MA EINDHOVENTHE NETHERLANDSPHONE : +31 - 40 - 2507844FAX: +31 - 40 - 2507860AUSTRALIAQualiFi Pty Ltd,24 LIONEL ROAD,MT. WAVERLEY VIC 3149AUSTRALIAPHONE : +61 - (0)3 - 9543 - 1522FA

10、X: +61 - (0)3 - 9543 - 3677NEW ZEALANDWILDASH AUDIO SYSTEMS NZ14 MALVERN ROAD MT ALBERTAUCKLAND NEW ZEALANDPHONE : +64 - 9 - 8451958FAX: +64 - 9 - 8463554THAILANDMRZ STANDARD CO., LTD746 - 754 MAHACHAI ROAD.,WANGBURAPAPIROM, PHRANAKORN,BANGKOK, 10200 THAILANDPHONE : +66 - 2 - 222 9181FAX: +66 - 2 -

11、224 6795TAIWANPAI- YUING CO., LTD.6 TH FL NO, 148 SUNG KIANG ROAD,TAIPEI, 10429, TAIWAN R.O.C.PHONE : +886 - 2 - 25221304FAX: +886 - 2 - 25630415MALAYSIAWO KEE HONG ELECTRONICS SDN. BHD.2ND FLOOR BANGUNAN INFINITE CENTRELOT 1, JALAN 13/6, 46200 PETALING JAYASELANGOR DARUL EHSAN, MALAYSIAPHONE : +60

12、- 3 - 7954 8088FAX: +60 - 3 - 7954 7088KOREAMARANTZ KOREA CO., LTD.ROOM 604, ELECTRO OFFICE, 16-58,HANGGANG-RO 3GA, YONGSAN-KU,SEOUL, 140-013, KOREAPHONE : +82 - 2 - 323 - 2155FAX: +82 - 2 - 323 - 2154SINGAPOREWO KEE HONG DISTRIBUTION PTE LTDNo.1 JALAN KILANG TIMOR#08-03 PACIFIC TECH CENTRESINGAPORE

13、 159303PHONE : +65 6376 0338FAX: +65 6376 0166CANADAMARANTZ CANADA INC.5-505 APPLE CREEK BLVD.MARKHAM, ONTARIO L3R 5B1CANADAPHONE : 905 - 415 - 9292FAX: 905 - 475 - 4159JAPAND&M BUILDING, 2-1 NISSHIN-CHO,KAWASAKI-KU, KAWASAKI-SHI,KANAGAWA, 210-8569 JAPAND&M Holdings Inc.CHINAMARANTZ SHANGHAI TRADING

14、 LTD.ROOM.506 SHANGHAI LIGHT INDUSTRY MANSION1578 NANJING (WEST) ROAD SHANGHAICHINATEL: 021 - 6248 - 1064FAX: 021 - 6248 - 3565RadioFans.CN 收音机爱 好者资料库1Audio CharacteristicsRated Output (20Hz - 20kHz) .1.7V (Balanced) . 1.7V (Unbalanced)Maximum Output (20Hz - 20kHz) .13.5V (Balanced) . 13.5V (Unbalan

15、ced)Total Harmonic Distortion (20Hz - 20kHz) .0.0015% (Balanced) .0.003% (Unbalanced)Frequency Response (+0/-3dB) . 3 Hz - 150 kHz(Balanced) .3 Hz - 150 kHz(Unbalanced)Input Sensitivity / Input Impedance .420mV / 20k(Balanced) .420mV / 20k(Unbalanced)Output Impedance . 70(Balanced) .70(Unbalanced)Si

16、gnal-to-Noise Ratio (IHF-A Network) .105dB(Balanced) . 108dB(Unbalanced)Channel Separation (20kHz) .100dB(Balanced) . 100dB(Unbalanced)Volume Adjustment Range . -,-100 - 0dB(0.5dB step)Trim Level Adjustment Range . 6dB(0.5dB step)Attenuator Levels .-20, -40, -60, -dBPower SupplyPower Requirement /F

17、.AC 100V 50/60Hz /K .AC 220V 50/60Hz /N .AC 230V 50Hz /U .AC 120V 60HzPower Consumption /F .18 W /K .20W /N . 20W (0.1A) /U . 20W (0.2A)GeneralMaximum Dimensions .459(W) x 136(H) x 441 (D) mmWeight .21.8kg1. TECHNICAL SPECIFICATIONSDIMENSIONSBALANCEDCDLINE 1DISPLAYATTLINE 2RECORDERASYNCBinput select

18、orinput selectorpower on/offpower on/offstereostereo control amplifier sc-7s2control amplifier sc-7s2volumevolume4411913645918Unit: mm2. CAUTIONThe layout of this amplifier is well concerned for sound quality.1. When screws and washers are removed, those parts must be set to the same places.2. When

19、wires are removed, the wires must be installed in the same roots, same places.3. Do not hold the side panels (001D, 002D) to move the unit when the unit is disassembled.2. 注意当機音質考慮。1. 類取外場合、元位置取付。2. 類取外場合配線、元通戻。3. 当機分解状態移動、(001D, 002D)持。23. SERVICE MODE1. To enter the Service Mode, press the POWER s

20、witch with pressing the DISPLAY and ATT buttons on the main unit to switch power ON, or when the remote code 166363 is received while power is ON.2. The version number is displayed as on the 7-segment LED. The Light-up LED is lit (other LEDs lit off). means version .3. Press the ATT button to light

21、the LEDs one by one (except the Light-up LED which is always lit) , and LEd is displayed.4. Press the ATT button to light each 7-segment LED one by one. All LEDs (including the Light-up LED) are lit off.5. Press the ATT button to light all the 7-segment LEDs and the LEDs.6. Press the ATT button to d

22、isplay the ID number. If the ID number switch on the rear panel is changed, the displayed ID number also changes (polling at 250ms intervals).7. Press the ATT button to display BUS, one second after followed by BOK or BNG. BNG is displayed if the unit is unable to receive the command that has issued

23、 by the unit itself. BOK is displayed if the unit is able to receive the command that has issued by the unit itself. The circuit is designed to go through the command, so BOK is displayed even if the remote cable is not connected. BNG is displayed when the cable is in a closed-loop and the unit is t

24、he Master , or when the cable is not connected and the unit is a Slave.8. Press the ATT button to display Uol. The display changes to Up if the Volume knob is turned clockwise, and to dUn if it is turned counter-clockwise.9. Press the ATT button to display SEI. When the INPUT SELECTOR is changed the

25、 corresponding LED is lit.10. Press the ATT button to display Att. The corresponding text is displayed for the operation buttons and knobs as shown below.3. SERVICE MODE1. 本体DISPLAYATT押、POWER押電源ON。 、電源ON中 166363 受信時。 入。2. 7-Seg. LED.表示。 LED点灯(他LED消灯) Version .意味3. 次ATT押LED順次点灯、LEd表示。 対象LED以外(LED常時点灯

26、)4. 次ATT押7-Seg LED順次点灯表示。 LED含全LED消灯5. 次ATT押7-Seg LED及LED全点灯。6. 次ATT押ID No.表示。 時ID No.切換、対応ID No.表示切換。(250ms判定)7. 次ATT押BUS表示、1秒後BOKBNG表示。 BNG自己発行受信場合。 BOK自己発行受信場合。 回路的機能有、接続BOK。BNGMaster時自己場合、Slave時接続場合。8. 次ATT押Uol表示。 Volume時計方向回表示Up切換、半時計方向回表示dUn切換。9. 次ATT押SEl表示。 時、INPUT SELECTOR切換対応LED点灯。10. 次ATT押

27、Att表示。 時、以下表、操作及対応文字表示。311. This completes all the tests. Press the DISPLAY and ATT buttons to return to Step1., or press the POWER switch to turn power OFF. Note that the Service Mode is terminated if power is turned OFF at any point during steps 1. to 10. When the Service Mode is terminated the me

28、mory is cleared and the system is initialized. The Input Selector, Volume level, ATT level, and TRIM level are stored in memory, therfore use this Service Mode to initialize the system. Microcomputer Initial Setup Input Selector : CD Volume : - TRIM setup value : +/-0dB (for channels A and B) ATT se

29、tup value : -20dBUnitButtonDisplayed text7-SegFront DisplayDSPdSpFront ATTATTAttRCPHONORCrCRCBALANCERCrCRCCDRCrCRCLINE 1RCrCRCLINE 2RCrCRCRECORDER 1RCrCRCRECORDER 2RCrCRCVolume UPRCrCRCVolume DownRCrCRCATTRCrCRCDisplayRCrCRCTrimRCrCRCEXITRCrCRCUpRCrCRCDownRCrCRCRightRCrCRCLeftRCrCREMOTE COMMANDS TAB

30、LENo.Button nameRC codeOperation details動作内容1BALANCEDBALANCE16 00 20Select balanced input terminalBALANCED入力端子選択2SACD/CDCD20 63Select SACD/CD input terminal SACD/CD入力端子選択3LINE-1AUX 116 00 06Select Line-1 input terminal LINE-1入力端子選択4LINE-2AUX 216 00 07Select Line-2 input terminal LINE-2入力端子選択5TAPETAP

31、E18 63Select Tape input terminal TAPE入力端子選択6VOLUME UPVOL+16 16Master Volume UPMaster Volume UP7VOLUME DOWNVOL-16 17Master Volume DOWNMaster Volume DOWN8ATTMUTE16 13 (toggle)The value that subtracted the ATT value from the Vol. value. Press again to return to the original setup value.Vol.値ATT設定値引値。再度

32、押元設定値戻。9TRIM SELECTCH SEL16 37 33Change TRIM Mode/TRIM setup unit.TRIM/TRIM設定機変更10EXITMENU OFF16 83Exit from TRIM Mode.Exit from TRIM11A-TRIM UPLch level+16 26 01In TRIM mode: TRIM level UPTRIM時：TRIM UP12A-TRIM DOWNLch level-16 26 02In TRIM mode: TRIM level DOWNTRIM時：TRIMDOWN13B-TRIM UPRch level+16

33、26 03In TRIM mode: TRIM level UPTRIM時：TRIM UP14B-TRIM DOWNRch level-16 26 04In TRIM mode: TRIM level DOWNTRIM時：TRIMDOWN11. 確認全終了、DISPLAY、ATT押1戻POWER押電源OFF下。 上記110電源OFF 終了。 終了初期状態戻。 Input Selector、Volume、ATT、TRIM、 初期状態戻、使用。 初期設定 Input Selector： CD Volume： - TRIM設定値： 0 dB (A ch / B ch共) ATT設定値： -20 dB

34、4Error MessagesSwitch power OFF if any of the following error messages are displayed while multiple units are in use and connected to the bus via the remote terminal.Error codeMeaningMeasures required1E02Multiple units set for ID No.2.Change the ID number on the ID number selector switch to avoid du

35、plication.2E03Multiple units set for ID No.3.3E04Multiple units set for ID No.4.4E05Multiple units set for ID No.5.5E06Multiple units set for ID No.6.6E07Communication between ID No.1 (Master) and ID No.2 to 6 (Slave) impossible.Check IN and OUT, and make sure that the bus connection cable is insert

36、ed correctly.7E08Multiple units set for ID No.1 (Master).Change the ID number on the ID number selector switch to avoid duplication.端子用接続、本機複数台使用時、以下表示出電源OFF、下表確認。表示意味対策1E02ID No.2設定本機複数台。ID No.重複ID No.切替設定直。2E03ID No.3設定本機複数台。3E04ID No.4設定本機複数台。4E05ID No.5設定本機複数台。5E06ID No.6設定本機複数台。6E11ID No.1（）ID

37、No.26（）間通信。IN, OUT確認接続確実差込。7E12ID No.1（）設定本機複数台。ID No.重複ID No.切替設定直。5Bus Connection System Data Flow+5VMaster ONRelayEND RelayPower ONRelay x 2123456654321Master_HIDBUS INBUS OUT+12VM-GNDM-GNDReturn-cReturn-HIN-CIN-H+12VM-GNDDetectReturn-CReturn-HOUT-COUT-HL274-12V+12VMaster ONRelayL273LoQ277L275Q27

38、4S274(ID SW)Q275Q273L271L271L272Q276Hi- 12V-12VINOUTQ201404546S27462+5VMaster ONRelayEND RelayPower ONRelay x 2123456654321Master_HIDBUS INBUS OUT+12VM-GNDM-GNDReturn-cReturn-HIN-CIN-H+12VM-GNDDetectReturn-CReturn-HOUT-COUT-HL274-12V+12VMaster ONRelayL273LoQ277L275Q274Q275Q273L271L271L272Q276Lo-12V-

39、 12VQ201404546S27462+5VMaster ONRelayEND RelayPower ONRelay x 2123456654321Master_HIDBUS INBUS OUT+12VM-GNDM-GNDReturn-cReturn-HIN-CIN-H+12VM-GNDDetectReturn-CReturn-HOUT-COUT-HL274-12V+12VMaster ONRelayL273HiQ277L275Q274Q275Q273L271L271L272Q276Lo-12V- 12VQ201404546S27462ID:2ID:3ID:1INOUTINOUTMASTER

40、SLAVESLAVES274(ID SW)S274(ID SW): OUT- H, IN- H (BUS IN/OUT): Return-H (BUS Return): Return-C (Master BUS GND): OUT-C, IN-C (Slave BUS GND)BUS Loopoffonononoffoffoffonoffonoffon-12V-12V-12V-12V-12V-12V-12V-12V-12V: +12V (END Relay Supply): -12V (END Relay Supply): M-GND (END Relay Detect GND)64. UPD

41、ATE FIRMWAREA SOFTWARE (fdtv306r00.exe) DOWNLOADS AND INSTALLS PROCEDUREA-1 DOWNLOADS OF THE SOFTWARE (Flash Development Toolkit: the rest is FDT)Download the software for update/write-in of the microprocessor.1. Launch the browser. 2. Type the http:/ into an address. And click the Go or press the E

42、nter on keyboard of PC. NOTE : This site is managed by RENESAS. The following explanation may differ from the actual composition. When different, please proceed along with the site composition of RENESAS.3. Click the GLOBAL SITE.4. UPDATE FIRMWAREA SOFTWARE (fdtv306r00.exe) DOWNLOADS AND INSTALLS PR

43、OCEDUREA-1 DOWNLOADS OF THE SOFTWARE (Flash Development Toolkit: 以下 FDT)書込用(FDT)。1. ()立上。 2. http:/ 注意：RENESAS管理、以下説明実際構成異場合。場合実際RENESAS構成沿進。3. GLOBAL SITE。 74. A login ID is necessary to download the FDT.If you have Login ID, please advance to step 15.If you do not have Login ID, Click the MY RENES

44、AS.4. FDTLogin ID必要。 既Login ID持方手順15進。 Login ID持方MY RENESAS。 85. Click the If you are a new user click here to register now.5. If you are a new user click here to register now。 96. Choose Non Secure or Secure in Security Level at your network environment.Choose English or another one in Region and L

45、anguage.6. PC環境Choose Security Level Non Secure、Secure選。 Choose Region and Language日本語。 107. Input the each item. NOTE : The items displayed by a language and region are different.7. 各項目記入。 注意：下記説明英語、日本語選場合日本語表示。 118. If you have inputted the necessary items, check the I Agree, and click the Submit.

46、8. 必須項目入力、同意入、送信。 129. The input is needless in this page.Scroll down the page.9. 入力結構。 1310. Click the Submit.10. 送信。 1411. Immediately, an E-mail arrives from the RENESAS.Click the link in the E-mail to go to the registration site, and input the Login ID and Password.And Click the Submit.12. Regis

47、tration is finished.13. Open the RENESAS top page from registration page.11. 直、RENESASE-mail届。 E-mail内有登録。 Login IDPassword入力Submit。 12. 登録完了。13. 登録有RENESAS移動。 1514. Click the GLOBAL SITE.14. GLOBAL SITE。 1615. Click the Downloads in the DESIGN SUPPORT.15. DESIGN SUPPORT内Downloads。 1716. Type the Fl

48、ash Development toolkit into the Download Title.And click the Start Search.16. Download TitleFlash Development toolkit入力。 Start Search。 1817. Click the Flash Development Toolkit of the top on the table. NOTE : The latest edition is FDT V3.06 at present. (July, 2006) It is in FDT V3.06 as follows and

49、 explains it.17. 検索結果一番上Flash Development Toolkit。 注意：現時点(2006年7月)最新V3.06。以下FDT V3.06説明。 1918. Input the Login ID and Password.And click the Submit.18. Login IDPassword入力。 Submit.。 2019. Scroll down the page.19. 。 2120. Check the Agree, and click the Submit.20. Agree入、Submit。 2221. Scroll down the p

50、age.21. 。 2322. Click the Download.22. Download。 2423. Click the Save.24. Save the fdtv306r00.exe on your PCs hard disc. NOTE : A file name is change by improvement.23. Save。 24. fdtv306r00.exe任意保存。 注意： 名変。 25A-2 INSTALLS OF THE SOFTWARE (Flash Development Toolkit Ver.3.06)1. Open the folder with th