Yamaha-ACU16C-acu-sm(1) 维修电路原理图.pdf

《Yamaha-ACU16C-acu-sm(1) 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-ACU16C-acu-sm(1) 维修电路原理图.pdf（69页珍藏版）》请在收音机爱好者资料库上搜索。

1、ACU16-C1SERVICE MANUALPA01167320030301-0.166K-0387 Printed in Japan 2003.02HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 3/4PANEL LAYOUT. 5DIMENSIONS. 5CONNECTOR WIRING. 6CIRCUIT BOARD LAYOUT. 7WIRING. 7BLOCK DIAGRAM. 8DISASSEMBLY PROCEDURE. 10LSI PIN DESCRIPTION. 13IC BLOCK DIAGRAM. 17CIRCUIT BOARDS. 20

2、INSPECTIONS. 29/31TEST PROGRAM. 33/39OVERALL CIRCUIT DIAGRAMSPARTS LIST（ECF：無塩素系漂白）使用。AMP CONTROL UNIT（総合仕様）（）（寸法図）（）（）（結線図）（）（分解手順）（LSI端子機能表）（IC図）（基板図）（検査）（）（総回路図）（目次）RadioFans.CN 收音机爱 好者资料库ACU16-C2WARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANTTHE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDAN

3、CE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVEAs the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:The wire which is coloured GREEN and YELLOW must be

4、 connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW.The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.The wire which is coloured BROWN must be connected t

5、o the terminal which is marked with the letter L or coloured RED.* This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD.WARNINGComponents having special characteristics are marked and must bereplaced with parts having specification equal to those originally installed.IMPORTANT

6、 NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-stood by the users, and have therefore not been r

7、estated.WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per-sonal injury, destruction of expensive components and failure of the product to perform as specified. Forthese reasons, we advise all Yamaha product owners that all service requ

8、ired should be performed by anauthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-cation, recognition of any applicable technical capabilities, or establish a princi

9、pal-agent relationship ofany form.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, andservice departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitableand changes in s

10、pecification are subject to change without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distributors Service Division.WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by groundin

11、g yourself to the ground bus in the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply powerto the unit.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains

12、LEAD. In addition, other electrical/electronic and/or plastic (Whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possiblyother entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRIC

13、AL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure

14、of this product, wash your hands before handlingfood.印商品、安全維持重要部品。交換場合、安全必指定部品使用下。RadioFans.CN 收音机爱 好者资料库ACU16-C3SPECIFICATIONSD/A converters24-bit, 128-times oversamplingDynamic range 1110 dB typicalFrequency response20 Hz20 kHz +0.5, 1.5 dB (nominal output level 1 kHz)Crosstalk80 dB ( 1 kHz, betwe

15、en adjacent channels)Signal delay0.625 ms (CobraNet to analog output)Total harmonic distortion (20 Hz20 kHz)+4 dB outputLess than 0.05%Full scale outputLess than 0.01%Hum & noise11. Measured using a 6 dB/octave filter 12.7 kHz; equivalent to a 20 kHz filter with an infinite dB/octave attenuation.92

16、dBCobraNetPRIMARY/SECONDARY connectorsRJ-45 x2 (16 in), transformer isolated, IEEE 802.3Network status indicatorsLINK, CONDUCT, ERROR LEDsAnalog outChannelsCH116 balanced outputsConnectorEuro-block connectors 6-way x8Source impedance150 For use with nominal10k linesOutput levelNominal: +4 dB (1.23 V

17、), Max. before clip: +18 dB (6.16 V)Computer portsTO COMPUTER9-pin male D-sub (RS-232C)USBUSB 1.1Amp controlRS-485RJ-45 x1Unit ID0F (015)Power RequirementsU.S./Canada110120 V, 50/60 Hz, 40 WOther220240 V, 50/60 Hz, 40 WDimensions(W x H x D)480 x 44.65 x 385.5 mm (18 7/8 x 1 3/4 x 15 5/32), 1UNet wei

18、ght4.8 kg (10.6 lbs)Operating free-air temperature range040C (32104F)Storage temperature range20 to 60C (4 to 140F)Supplied AccessoriesCD-ROM (NetworkAmp Manager, PDF manual, MIDI drivers)Power cord and retaining clampUSB cable3-way Euro-block connectors x16Owners Manual（総合仕様）ACU16-C4*16dB/oct.12.7k

19、Hz；20kHz dB/oct.同等D/A24、128倍*1110dB typical周波数特性20Hz20kHz0.5,1.5dB（出力 1kHz）80dB（1kHz隣接間）0.625ms（CobraNet 出力）全高調波歪 4 d B 出 力 0.05%全出力0.01%、*192dBCobraNetPRIMARY/SECONDARYRJ-452 （16入力） 、 、 IEEE802.3LINK、CONDUCT、ERRORLED出力CH116出力6815010k出力 ： 4dB （1.23V） 、 前最大 ： 18dB （6.16V） PCTO COMPUTER9D-sub（RS-232C）

20、USBUSB1.1 RS-485RJ-451ID0F（015）電源100V、50/60Hz、40W最大外形寸法（W H D）48044.65385.5mm、1U重量4.8kg動作環境温度040保管温度2060付属品CD-ROM（NetworkAmpManager、PDF形式取扱説明書、MIDI）電源、誤脱防止電源変換USB316取扱説明書ACU16-C5PANEL LAYOUT1234 Front PanelUSB portUNIT ID switchNETWORK STATUS indicatorsPOWER ON/OFF switch123456Grounding screwAC IN c

21、onnectorRS-485 portPRIMARY & SECONDARY CobraNet portsTO COMPUTER portEuro-block connectors Rear PanelDIMENSIONSUnits: mm395.8W:480447.5349.310.2378D:385.517.5322300.65H:44.65430（）123456用AC INRS-485 PRIMARY/SECONDARY CobraNetTO COMPUTER 1234USB UNIT ID NETWORK STATUSPOWER ON/OFF（）（）（寸法図）（単位）ACU16-C6C

22、ONNECTOR WIRINGPinConnectionCobra Net(PRIMARY, SECONDARY)TxD+TxD-RxD+UnusedUnusedRxD-UnusedUnusedPinConnectionRS-485 UnusedUnusedUnusedRxD/TxD+RxD/TxD-UnusedFGFGPinConnectionTO COMPUTERUnusedRxDTxDDTRGNDDSRRTSCTSUnused（）ACU16-C7WIRINGPOWERUNIT（電源）MAINDAC2CM-1DAC-JACKDAC-PSWDAC-LEDDAC1CN301 (B)to MAI

23、NCN307to MAINCN603CN201CN601 (B)CN301CN604CN603CN501 (B)CN501 (B)CN501 (B)CN401CN401CN401CN203CN801 (B)CN406CN307CN51CN1CN306CN701V9703000140150V9544800160MFA21060CIRCUIT BOARD LAYOUTAC INLETPOWERUNIT（電源）MAINDAC2CM-1DAC-JACKDAC-PSWDAC-LEDDAC1（結線図）（）ACU16-C8BLOCK DIAGRAM4MbitFLASH16MbitDRAMMAIN CPUSH

24、7042A/28MHz25.8048MHzMPU_MODE:2DSP5(MIXER)SIO4DIR2PLL &ClockGenerater 8 FS 7 64FS 9 128FS10 256FS 6 SYNC5375786114144MASTERClock60MHz8MHzM37641M816MHzIC201X201IC316X302IC502IC301X301IC203IC204IC601X601256FSSYNCDividerUSBIC507 50848k/96kMasterClockselecterIC505IC506IC509256FSFS 64FSFSIC510256FS11.727

25、 MHzX501USB CPU084CE62A13579BDFUNIT ID256kbitEEPROMIC221SW201CN308SDA56104105PE6VCC21, 37, 5577, 103, 100 72, 74XTAL,EXTALA: 420D: 52-54, 56-60 62-64, 66-70A0-15D0-155254, 56D12-158410247504851RESTIOC 18TXD1RXD1RXD0TXD0CK+5DPE7XIN, OUT14, 15SCL6.4512MHzCKOLINKx2IC504ClockselecterResetOutputControlSY

26、NC_RESDAC-LEDCN801CN203AA6P6P-BCONDUCTERRORLD801LD803LD8048+5D16, 74+5D3741CPU CLK67-69115-122SO0718VDDVDD174,19596, 76, 58, 24,20, 12, 9, 194, 173, 143, 124XIXO32, 34743,192021RX2TX2+5D+5D+3.3D+5D1, 6, 21+5D+5141310, 61, 4, 195132216361426556142111+5D+5D+5D3935XI, XO12, 13+5D（）ACU16-C9DSP5XER)60MHz

27、RS485DRIVERX601IC307IC302DA18NETIN03NET_WCderDRIVER 508IC506IC509256FS_DAC FS_DAC /64FS_DACAnalog-Output-Circuit24bit D/AConverterAK4393x4CH2/1CH4/3CH6/5CH8/7CH10/9CH12/11CH14/13CH16/15RS-485TO COMPUTERSECONDARYPRIMARYCobraNetClockselecterJK601JK604JK605JK603JK602CN402,CN403JK602(CobraNET)DAC-JACKCM

28、-1CN601CN301MAINCN401DAC2DAC1IC403 IC404IC503 IC504AAPOWER UNITDAC-PSWCN13P5PAC INLETAC CORDCN701POWERCN514P4PCN406+D5DGND5P-B5P40P4P-B4PCN501CN306D14DA58POWER SUPPLY+12A-12A+5A+5DADAGNDDAGNDIC506IC511IC405IC410(or CN307)Analog-Output-Circuit24bit D/AConverterAK4393x4IC203 IC204IC303 IC304POWER SUPP

29、LY+12A-12A+5ADAGNDIC306IC311IC205IC2104P-BCN3014PCN307+5DADAGND(or CN306)21P21PCN604CN20121P21PCN60367-69115-122SO078VDD96, 76, 58, 24,20, 12, 9, 194, 173, 143, 1247+5D+12A8V+5D141310, 6, 31, 4, 109513211+5D81153TX2RX24485RXD485TXD+5D4, 16+5DA218+5A+12A8V+5DA218-12A4-12A4+5A40P38CA1-8821493ACU16-C10

30、DISASSEMBLY PROCEDUREFig.1Fig.21.Top Cover (Time required: 1 minute)1-1Remove the eleven (11) screws marked 480. Thetop cover can then be removed. (Fig. 1)2.CM-1 Assembly (Time required: 2 minutes)2-1Remove the top cover. (See Procedure 1.)2-2Remove the four (4) screws marked 400a. The CM-1 assembly

31、 can then be removed. (Fig. 2)When removing the CM-1 assembly, use care so asnot to bend connector pins of CN402 and CN403.3.MAIN Circuit Board (Time required: 3 minutes)3-1Remove the top cover. (See Procedure 1.)3-2Remove the CM-1 assembly. (See Procedure 2.)3-3Remove the nine (9) screws marked 400

32、b. TheMAIN circuit board can then be removed. (Fig. 2)4.DAC2 Circuit Board (Time required: 3 minutes)4-1Remove the top cover. (See Procedure 1.)4-2Remove the four (4) screws marked 490 fixing thecircuit board and eight (8) screws marked 460 fromthe rear panel. The DAC2 circuit board can then beremov

33、ed. (Fig. 2)1.（所要時間:1分）1-1. 48011本外、外。(Fig.1)2.CM-1 Assy（所要時間:2分）2-1.外。 （1 項参照）2-2.400a4 本外、CM-1 Assy外。(Fig. 2)CN402、 403曲様、 注意外下。3.MAIN（所要時間:3 分）3-1.外。 （1 項参照）3-2.CM1 Assy外。 （2項参照）3-3.400b9本外、MAIN 外。(Fig. 2)4.DAC2（所要時間:3分）4-1.外。 （1 項参照）4-2.止4904本、 4608本外、DAC2外。(Fig. 2)480480480480480460490400b400bC

34、M-1AssY400aFerrite Core（）400bMAINDAC2480: Bonding Tapping Screw-S 3.0X6 MFZN2BL (V7451800)400: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)460: Pan Head Screw 2.6X6 MFZN2BL (VC990500)490: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210)（分解手順）S B 小 SACU16-C11Fig.35.DAC1 Circuit Board (Time re

35、quired: 6 minutes)5-1Remove the top cover. (See Procedure 1.)5-2Remove the DAC2 circuit board. (See Procedure 4.)5-3Remove the four (4) screws marked 400a fixingthe circuit board and eight (8) screws marked 460from the rear panel. The DAC1 circuit board can thenbe removed. (Fig. 3)6.DAC-JACK Circuit

36、 Board(Time required: 2 minutes)6-1Remove the top cover. (See Procedure 1.)6-2Remove the two (2) screws marked 400b from thecircuit board, two (2) jack sockets marked 190 andtwo (2) screws marked 410 from the rear panel.The DAC-JACK circuit board can then be removed.(Fig. 3)7.Power Unit (Time requir

37、ed: 2 minutes)7-1Remove the top cover. (See Procedure 1.)7-2Remove the four (4) screws marked 400c from thecircuit board. The power unit can then be removed.(Fig. 3)8.AC INLET Assembly (Time required: 2 minutes)8-1Remove the top cover. (See Procedure 1.)8-2Remove the two (2) supports marked 40 from

38、therear panel. The AC INLET assembly can then beremoved. (Fig. 3)5.DAC1（所要時間:6 分）5-1.外。 （1項参照）5-2.DAC2 外。 （4 項参照）5-3.止400a4本4608 本外、DAC1外。(Fig. 3)6.DAC-JACK （所要時間:2分）6-1.外。 （1項参照）6-2.400b2本、及1902 本4102 本外、DAC-JACK 外。 (Fig. 3)7.電源（所要時間:2 分）7-1.外。 （1項参照）7-2.400c4本外、電源外。 (Fig. 3)8.AC INLET Assy（所要時間:2分

39、）8-1.外。 （1項参照）8-2.402 本外、AC INLETAssy 外。 (Fig. 3)400a400b400c400d46019040490410POWERSupply Unit（電源）DAC1DAC-JACKDAC-PSWFerrite Core（）400: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)410: Bonding Screw 3.0X8 MFZN2BL (VP157800)490: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) B小 SACU16-C12F

40、ig.49.DAC-LED Circuit Board (Time required: 2 minutes)9-1Remove the top cover. (See Procedure 1.)9-2Remove the two (2) screws marked 480 from thefront panel and then remove the front panelassembly.9-3Remove the four (4) screws marked 400 from thecircuit board. The DAC-LED circuit board can thenbe re

41、moved. (Fig. 4)10.DAC-PSW Circuit Board (Time required: 2 minutes)10-1Remove the top cover. (See Procedure 1.)10-2Remove the front panel assembly. (See Procedure 9-2.)10-3Remove the PSW knob.10-4Remove the two (2) screws marked 490 fixing theswitch and one (1) screw marked 400d fixing thecircuit boa

42、rd. The DAC-PSW circuit board can thenbe removed. (Fig. 3)9.DAC-LED（所要時間:2分）9-1.外。 （1 項参照）9-2.4802本外、 Assy 外。9-3.4004本外、DAC-LED外。 (Fig. 4)10.DAC-PSW （所要時間:2分）10-1.外。 （1 項参照）10-2. Assy 外。 （9-2 項参照）10-3.PSW外。10-4.止4902本止400d1 本外、DAC-PSW 外。 (Fig. 3)480400480DAC-LED400: Bind Head Tapping Screw-B 3.0X6 M

43、FZN2BL (EP600230)480: Bind Tapping Screw-S 3.0X6 MFZN2BL (V7451800) B SACU16-C13LSI PIN DESCRIPTIONPINNO.I/OFUNCTIONNAMEPINNO.I/OFUNCTIONNAME1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556DACK0PE15VSSA0A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16VCC

44、A17VSS/RAS/CASL/CASHVSSRDWR / PB5A18A19A20/IRQ7/A21VSS/RD/WDTOVF/WRHVCC/WRLVSS/CS1/CS0/IRQ3 / TCLKC/IRQ2 / TCLKC/CS3/CS2/IRQ1TXD1RXD1SCKOPA1 / TXD0PA0 / RXD0D15D14D13VSSD12OOIOOOOOOOOOOOOOOOOOIOIOOOOOOOOOIOOOIOIOOOIOOIOIIOII/OI/OI/OII/O(Port E)Port EGroundAddress busPower supplyAddress busGroundRow

45、address strobeColumn address strobe (low)Column address strobe (high)GroundDRAM read/write / Port BAddress busPort B / Address busGroundReadWatch dog timer overflowHigh writePower supplyLow writeGroundChip selectChip selectPort A / Timer clockInterrupt request / Timer clockChip selectChip selectInte

46、rrupt requestData transmissionData receptionInterrupt requestPort A / Data transmissionPort A / Data receptionData busGroundData bus57585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112D11D10D9D8VSSD7D6D5VCCD4D3D2D1D0VSSXTALMD3E

47、XTALMD2NMIVCCMD1MD0PLLVCCPLLCAPPLLVSSPA15 / CK/RES/DREQ0PE1PE2PE3PE4VSSAN0 / PF0AN1 / PF1AN2 / PF2AN3 / PF3AN4 / PF4AN5 / PF5AVSSAN6 / PF6AN7 / PF7AVCCVSSTIOC1BVCCPE6PE7PE8PE9PE10VSSPE11PE12PE13I/OI/OI/OI/OII/OI/OI/OII/OI/OI/OI/OI/OIIIIIIIIIIIIOIIIIIIIIIIIIIIIIIIOIOOOOOIOOOData busGroundData busPowe

48、r supplyData busGroundCrystal oscillatorMode controlCrystal oscillatorMode controlNon-maskable interrupt requestPower supplyMode controlMode controlPLL Power supplyPLL capacitorPLL GroundPort A / ClockResetPort EGroundAnalog input / Port FAnalog groundAnalog input / Port FAnalog input / Port FPower

49、supplyGround(Port E)Power supplyPort EGroundPort EHD6477042AF28 (X3250A00A00) CPUMAIN: IC201（LSI 端子機能表）ACU16-C14PINNO.I/OFUNCTIONNAMEPINNO.I/OFUNCTIONNAME12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777

50、8798081828384858687888990919293949596979899100101102103104NCNCNCNCVddVssXIXOVdd/SYNCI/SYNCOVddCKICKOCKSELVssMCKD/SSYNC/IC/TESTNCNCNCVddVss/CS/WR/RDCA7CA6CA5CA4CA3CA2CA1VssVddCD15CD14CD13CD12CD11CD10CD09CD08CD07CD06VssNCNCNCNCNCNCNCNCVddVddCD05CD04CD03CD02CD01CD00/WAITVssSIO00SIO01SIO02SIO03SIO04SIO0