Yamaha-MCXA10-dts-sm 维修电路原理图.pdf

《Yamaha-MCXA10-dts-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-MCXA10-dts-sm 维修电路原理图.pdf（56页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL100852SERVICE MANUALDIGITAL AUDIO TERMINAL/SPEAKER SYSTEMMCX-A10/MCX-SP10MCX-A10/MCX-SP10The MusicCAST system consists of th MCX-1000, theMCX-A10 and the MCX-SP10.This service manual is for the MCX-A10 and the MCX-SP10.For the MCX-1000 service manual, please refer to thefollowing publi

2、cation number:MCX-1000、 MCX-A10及MCX-SP10構成。MCX-A10及MCX-SP10用。MCX-1000下記参照。MCX-1000100851MCX-1000100851修理依頼受際、 H D D 保証客様伝。修理品MCX-1000MCX-A10預推奨。This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedures inher

3、ent to the industry, and more specifically YAMAHA Products, are alreadyknown and understood by the users, and have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personalinjury, destruction of expensive compon

4、ents, and failure of the product to perform as specified. For thesereasons, we advise all YAMAHA product owners that any service required should be performed by anauthorized YAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or

5、 firm does not constitute authorization, certificationor recognition of any applicable technical capabilities, or establish a principle-agent relationship of anyform.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, andservi

6、ce departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevita-ble and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributors Service Division.WARNING:S

7、tatic discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to thisbuss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work b

8、efore you apply power to theunit.IMPORTANT NOTICEWhen accepting a repair request from the user, be sure tolet him/her know that the stored HDD data cannot be guar-anteed.For the repair work, it is recommended to receive MCX-1000 and MCX-A10 as a set.RadioFans.CN 收音机爱 好者资料库2MCX-A10/MCX-SP10MCX-A10/MC

9、X-SP10I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked Zand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it is imp

10、erative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohm shuntedby 0.15F.AC LEAKAGETESTER OREQUIVALENTEQUIPMENTUNDER TESTINSULATINGTABLEWALLOUTLETGLeakage current must not exceed 0.5mA.GBe sure to test for leak

11、age with the AC plug in bothpolarities.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/orplastic (where applicable) components may also contain traces of chemicals found by the California Health andWelfare

12、 Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FORANY REASON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inha

13、le solder fumesor expose eyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your handsbefore handling food.ENTERING SYSTEM ID /ID書込 . . . . . . . . . . . . . . . . . . . . . .1315TROUBLESHOOTING . . . . . . . . . . . . . . .

14、. . . . . .1621TEST MODE / . . . . . . . . . . . . . . . . .2224IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2533PIN CONNECTION DIAGRAM . . . . . . . . . . . . . . . . .33BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .34POWER SUPPLY BLOCK DIAGRAM . . . .

15、 . . . . . . .35PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . .3640SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . .4142PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4355REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . .56I CONTENTSTO SERVICE PERSONNEL

16、 . . . . . . . . . . . . . . . . . . . .2FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3REMOTE CONTROL PANEL . . . . . . . . . . . . . . . . . . .3SIDE PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . .

17、. . . .4INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5DISASSEMBLY PROCEDURES /分解手順 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68RECOVERY AFTER REPLACING CORE P.C.B. /CORE P.C.B.交換後 . . . . . . . . . . . . . . . . .9UPDATING FIRMWARE / . . . . . . . .

18、 . . . . . . . . .912RadioFans.CN 收音机爱 好者资料库3MCX-A10/MCX-SP10MCX-A10/MCX-SP10I FRONT PANELONTIMERDIGITAL AUDIO TERMINALMCXA10PUSHSELECTMENUPLAY INFO.VOLPHONESOFF TIMERON TIMERI23REPEATRANDOMSLEEP456PAUSE7STOPSPLAYMENUSELECTVOLGROUPGROUPINPUTMUTERECALLBOOKMARKPLAYINFO.WB09070MCX2M MCX-A10WARNING: Lit

19、hium batteries are dangerous becausethey can be exploded by improper handling. Observe thefollowing precautions when handling or replacing lithiumbatteries. Leave lithium battery replacement to qualified servicepersonnel. Always replace with batteries of the same type. When installing on the PC boar

20、d by soldering, solder us-ing the connection terminals provided on the battery cells.Never solder directly to the cells. Perform the solderingas quickly as possible. Never reverse the battery polarities when installing. Do not short the batteries. Do not attempt to recharge these batteries. Do not d

21、isassemble the batteries. Never heat batteries or throw them into fire.ADVARSEL!Lithiumbatteri Eksplosionsfare ved fejlagtig hndtering.Udskiftning m kun ske med batteri af samme fabrikat ogtype. Levr det brugte batteri tilbage til leverandren.VARNINGExplosionsfara vid felaktigt batteribyte. Anvnd sa

22、mmabatterityp eller an ekvivalent typ som rekommenderas avapparattillverkaren. Kassera anvnt batteri enligtfabrikantens instruktion.VAROITUSParisto voi rjht, jos se on virheellisesti asennettu.Vaihda paristo ainoastaan laitevalmistajan suosittelemaantyyppiin. Hvit kytetty peristo valmistajan ohjeide

23、nmukaisesti.I REMOTE CONTROL PANELM MCX-A10 (U, C, A, B, G models)I SIDE PANELSM MCX-A10 (J model)DC IN 12V4 MIN.CLASS 2WIRINGDC IN 12V4 MIN.CLASS 2WIRING4MCX-A10/MCX-SP10MCX-A10/MCX-SP10210(8-5/16)210(8-5/16)79(3-1/8)Unit : mm (inch)DIMENSIONS / 寸法図ONTIMERDIGITAL AUDIO TERMINALMCXA10PUSHSELECTMENUP

24、LAY INFO.VOLPHONES210 (8-1/4)210 (8-1/4)244.5 (9-15/16)79(3-1/8)34.5 (1-3/8)M MCX-A10M MCX-SP10I SPECIFICATIONS / 参考仕様I GENERAL /一般Playback Data Format / 再生MP3 (all clients), Liner PCM (selected one client)Power Supply / 電源電圧AC 100V to 240V, 50/60HzPower Consumption / 消費電力40WStandby Power Consumptio

25、n / 待機時消費電力U, C models0.7WA, B, G models1.1WJ model0.5WOperating Temperature / 動作温度+5C to +35CWeight (without AC adapter) / 質量2.0 kg (4 lbs 6 oz)Max. Dimensions (W x H x D) / 最大寸法210 x 244.5 x 79 mm(8-1/4 x 9-15/16 x 3-1/8)Panel Color / 色SilverAccessory / 付属品Remote Control, Lithium BatteryAC Adaptor

26、, Power CableAudio Pin CableVideo Pin Cable (U, C, A, B, G)Subwoofer CableStandI AUDIO PERFORMANCE /性能Frequency Characteristics / 周波数特性20Hz to 20kHz, 0.5dB (EIAJ)Signal to Noise Ratio / SN比100dB or more (EIAJ)Dynamic Range / 再生90dB or more (EIAJ)THD + Noise / 歪率0.008% or less (EIAJ)I INPUT/OUTPUT /入

27、出力Input Sensitivity / 入力感度AUX IN300mVrmsOutput Level / 出力LINEOUT (1kHz, 0dB)2VrmsSUBWOOFER (Volume MAX, 50Hz, 300mV input)1VrmsPHONES (Phones level MAX, -20dB, 150 load)650mVrmsMaximum Power (EIAJ) / 実用最大出力(4, 1kHz, 10% THD)17W + 17W or 18W (1ch)Type / 型式2-way Bass Reflex Magnetic Shielding TypeDriv

28、er / Woofer10 cm (4) Cone TypeTweeter2.5 cm (1) Dome TypeImpedance / 4 Frequency Response / 再生周波数帯域100 Hz to 27 kHzNominal Input / 許容入力20 WSensitivity / 出力音圧 89 dB/2.83 V/mDimensions (W x H x D) / 外形寸法210 x 210 x 79 mm (8-5/16 x 8-5/16 x 3-1/8)Weight / 質量1.2 kg (2 lbs 10 oz) x 2Accessory / 付属品Speake

29、r cable (5 m) x 2Pad* Specifications subject to change without prior notice.U . USA modelC . Canadian modelA . Australian modelB . British modelG . European modelJ. Japanese modelG MCX-A10G MCX-SP105MCX-A10/MCX-SP10MCX-A10/MCX-SP10qD-AMP (5) P.C.B.wD-AMP (1) P.C.B.eCORE P.C.B.rD-AMP (4) P.C.B.tD-AMP

30、 (6) P.C.B.yFAN UNITuD-AMP (2) P.C.B.iD-AMP (3) P.C.B.oLCD!0FRONT PANEL UNITI INTERNAL VIEWytrqweuio!0M Top ViewM Bottom View6MCX-A10/MCX-SP10MCX-A10/MCX-SP10Fig. 2Fig. 1I DISASSEMBLY PROCEDURES(Remove parts in the order as numbered.)(番号順部品取外。）分解手順1. 外方a) 机上柔布敷、上MCX-A10上下反転置。b) 外。(Fig. 1)c) 特殊使q1本外、

31、LAN外。(Fig. 1)d) LAN及STANDBY/ON外。e)w4本外。(Fig. 1)f) 外。2. 外方a)e5本外。(Fig. 2)b) 1.5 mm 六角使r4本外。(Fig. 2)rrrreeeee1. Removal of Rear Covera. Spread soft cloth on the table and place MCX-A10 up-side down on it.b. Remove the Side Cover. (Fig. 1)c. Using the special screw driver, remove 1 screw markedq and th

32、en remove the LAN Cover. (Fig. 1)d. Remove LAN card and STANDBY/ON knob.e. Remove 4 screws marked w. (Fig. 1)f. Remove the rear cover.2. Removal of Front Panel Unita. Remove 5 screws marked e. (Fig. 2)b. Using the 1.5mm allen wrench, remove 4 screws markedr. (Fig. 2)Rear CoverLAN CoverLANSTANDBY/ON

33、knobSTANDBY/ ONwwwwqSide CoverUse the special screw driver with tip shape in figure.図特殊使用。OKNG2.7 mm7MCX-A10/MCX-SP10MCX-A10/MCX-SP10Fig. 3Fig. 4c) 本体側持上、CB401外。(Fig. 3)d) 外。3. FAN外方a) t4本外。(Fig. 4)b) CB706外、FAN外。(Fig. 4)Front Panel UnitD-AMP (3) P.C.B.D-AMP (2) P.C.B.CB401Main Unit Side本体側ttFan Uni

34、tFANCB706c. Lift the main unit side and remove CB401. (Fig. 3)d. Remove the front panel unit.3. Removal of FAN Unita. Remove 4 screws marked t. (Fig. 4)b. Remove CB706 and the FAN unit can be removed.(Fig. 4)8MCX-A10/MCX-SP10MCX-A10/MCX-SP104. D-AMP (1) P.C.B.及D-AMP (5) P.C.B.外方a)y3本、u3本外。(Fig. 5)b)

35、i2本外。(Fig. 6)c) CB652外。(Fig. 5)d) D-AMP (1) P.C.B.及D-AMP (5) P.C.B.外。P.C.B.場合D-AMP (1) P.C.B.及D-AMP (5) P.C.B.元通取付。分解時外CB652接続。(Fig. 5)外本体横置、CB401接続。(Fig. 3)FAN外、動作支障。注意本機出力BTL接続、端子接続測定器側必要。Fig. 5Fig. 6Fig. 7uyCB652D-AMP (1) P.C.B.D-AMP (5) P.C.B.D-AMP (5) P.C.B.iD-AMP (1) P.C.B.CORE P.C.B.CORE P.C.

36、B.D-AMP (1) P.C.B.D-AMP (4) P.C.B.D-AMP (6) P.C.B.D-AMP (5) P.C.B.4. Removal of D-AMP (1) P.C.B. and D-AMP (5) P.C.B.a. Remove 3 screws marked y and 3 screws markedu. (Fig. 5)b. Remove 2 screws marked i. (Fig. 6)c. Remove CB652. (Fig. 5)d. Remove D-AMP (1) P.C.B. and D-AMP (5) P.C.B.When checking th

37、e P.C.B. :Install D-AMP (1) P.C.B. and D-AMP (5) P.C.B. as originallyinstalled and connect CB652 which was disconnected dur-ing disassembly. (Fig. 5)With the removed front panel unit placed beside the mainunit, connect CB401. (Fig. 3)The operation can be checked with the FAN unit removedas it is.CAU

38、TIONAs the speaker output of this unit is BTL connected, thegrounding side of any measuring device to be connectedto the speaker terminal must to be floated.9MCX-A10/MCX-SP10MCX-A10/MCX-SP10IRECOVERY AFTER REPLACING CORE P.C.B. CORE P.C.B.交換後CORE P.C.B.IC11交換場合、下記手順行。1） ID書込行。詳 ID書込（1315） 参照。2） 行。詳

39、（912） 参照。3） 行。a.“TOP MENU” 2秒間押続。TOP MENU表示b.“” 使下記選択。Setup System System Resetc. System Reset画面表示。d.“PLAY” 押。MCX-A10工場出荷時戻。MCX-A10自動的電源OFF/ON。I UPDATING FIRMWARE CORE P.C.B.IC11交換場合、必要。CD使用、MCX-1000経由行。、CD供給関詳細、知。用意CDMCX-1000Ethernet HubCAT-5 2本TV準備MCX-1000。詳MCX-1000 参照。After replacing CORE P.C.B.

40、or IC11, the firmware must beupdated.For updating the firmware, use the recovery CD and ex-ecute it via the network from MCX-1000.The detailed information regarding supply of the recoveryCD will be provided in Service News.Items requiredRecovery CDMCX-1000Ethernet HubCAT-5 Straight Cable, 2 pcsTV mo

41、nitorVideo cablePreparationExecute updating of MCX-1000 in advance.For the details, refer to UPDATING FIRMWARE in theMCX-1000 Service Manual.After replacing the CORE P.C.B. or IC11, perform the re-covery procedure as follows.1) Enter the system ID.For the details, refer to ENTERING SYSTEM ID (p. 13-

42、15).2) Update the firmware.For the details, refer to UPDATING FIRMWARE (p. 9-12).3) Reset the system as follows.a. Keep pressing the “TOP MENU” key for 2 seconds,and the TOP MENU is displayed.b. Using the “CONTROLLER” key, select the menu itemsas follows.Setup System System resetc. The System Reset

43、screen appears.d. Press the “PLAY” key.This resets MCX-A10 and restores the factory set-ting of parameters. The power to MCX-A10 is turnedOFF/ON automatically.10MCX-A10/MCX-SP10MCX-A10/MCX-SP10接続図接続。操作MCX-1000TV画面見本体使操作。MCX-A10本体表示画面見本体使操作。1) MCX-1000MCX-A10電源入。2) MCX-1000。a.“TOP MENU” 押。TOP MENU表示b

44、.“” 使下記選択。System Setup System Utility System Resetc.“” 使 “Yes” 合 “” 押。d. 後、System Utility画面戻。e. MCX-1000電源OFF/ON。3) MCX-A10。a.“TOP MENU” 2秒間押続。TOP MENU表示b.“” 使下記選択。Setup System System Resetc.“PLAY” 押。後、自動的電源OFF/ON。DIGITAL AUDIO SERVER MCX-1000STANDBY/ONTOP MENUMENUPLAY INFO.TIMERCLIENT STATUSLANSTAN

45、DBYENCODINGBACKCD AUTO STORESUB MENUPAGEPUSHSELECT12345ONTIMERPUSHSELECTMENUPLAY INFO.VOL+PHONESDIGITAL AUDIO TERMINAL MCXA10HubMCX-1000MCX-A10TV monitorConnectionMake connections as shown below.OperationTo operate MCX-1000, use the keys of the main unitwhile watching the TV monitor screen.To operat

46、e MCX-A10, use the keys of the main unit whilewatching the screen of the main unit.1) Turn on the power to MCX-1000 and MCX-A10.2) Reset MCX-1000.a. Press the “TOP MENU” key. Then the TOP MENU isdisplayed.b. Using the “CONTROLLER” key, select the menu itemsas follows.System Setup System Utility Syst

47、em Resetc. Using the “CONTROLLER” key, set the cursor to “Yes”and press the “CONTROLLER” key.d. After resetting, the System Utility screen appearsagain.e. Turn the power to MCX-1000 OFF/ON.3) Reset MCX-A10.a. Keep pressing the “TOP MENU” key for 2 seconds,and TOP MENU is displayed.b. Using the “CONT

48、ROLLER” key, select the menu itemsas follows.Setup System System Resetc. Press the “PLAY” key.After resetting, the power is turned OFF/ON automati-cally.11MCX-A10/MCX-SP10MCX-A10/MCX-SP104) MCX-1000MCX-A10接続。MCX-1000操作a.“TOP MENU” 押。TOP MENU画面表示b.“” 使下記選択。System Setup Network Auto Configuration注意表示。

49、c.“” 押。MCX-1000Auto Configuration入。MCX-A10操作d.“TOP MENU” 2秒間押続。TOP MENU表示e.“” 使下記選択。Setup Network Auto Configuration次表示。Press PLAY to executeauto configuration.f.“PLAY” 押。次表示。Serching ESSID .Press STOP to cancel.g. MCX-A10MCX-1000接続試。次表示。Serching Server .Press STOP to cancel.例CL-B0402Connecting Pres

50、s STOP to cancel.MCX-1000操作h. 接続MCX-A10ID表示。i. “” 使 “OK” 合 “” 押。MCX-1000MCX-A10接続。4) Connect MCX-1000 and MCX-A10 as a network.Operation of MCX-1000a. Press the “TOP MENU” key.The TOP MENU screen appears.b. Using the “CONTROLLER” key, select the menu itemsas follows.System Setup Network Auto Configu