Yamaha-DSPAX461-avr-sm 维修电路原理图.pdf

《Yamaha-DSPAX461-avr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-DSPAX461-avr-sm 维修电路原理图.pdf（57页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL101041IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are alreadyknown and understood by the users, an

2、d 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 components, and failure of the product to perform as specified. For these reasons,we advise all YAMAHA product own

3、ers that any service required should be performed by an authorizedYAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification orrecognition of any applicable technical capabilitie

4、s, or establish a principle-agent relationship of any form.The data provided is believed 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,

5、 inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumul

6、ated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.I CONTENTSTO SERVICE PERSONNEL . 2FRONT PANELS. 34REAR PANELS . 47REMOTE C

7、ONTROL PANELS. 8SPECIFICATIONS / 参考仕様 . 911INTERNAL VIEW . 12DISASSEMBLY PROCEDURES / 分解手順. 1214UPDATING FIRMWARE /書込. 1517SELF DIAGNOSIS FUNCTION (DIAG) /自己診断機能（）. 1836DISPLAY DATA . 37IC DATA . 3852BLOCK DIAGRAMS . 5354PIN CONNECTION DIAGRAMS. 55PRINTED CIRCUIT BOARDS. 5668SCHEMATIC DIAGRAMS. 6980

8、REPLACEMENT PARTS LIST . 8195REMOTE CONTROL. 9699Advanced setup / 設定初期設定戻. 100P.O.Box 1, Hamamatsu, Japan 2007 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without permission. 07.02RX-V461/HTR-6040/DSP-AX461This serv

9、ice manual is the RX-V461/HTR-6040/DSP-AX461 (U, C, R, K, A, L and J models).For service manual of the RX-V461/RX-V461DAB (T, B, G and E models), please refer to the following publi-cation number:RX-V461/RX-V461DAB (T, B, G and E models): 101048For U, C, R, K, A, L and J modelsAV RECEIVER/AV AMPLIFI

10、ERRX-V461/HTR-6040/DSP-AX461RadioFans.CN 收音机爱 好者资料库RX-V461/HTR-6040/DSP-AX46115RX-V461/HTR-6040/DSP-AX461Optical cable光DVD/CD playerDVD/CDMain unit本機DVD/CD playerDVD/CDMain unit本機Digital audio pin cableI UPDATING FIRMWARE / 書込下記部品部品交換場合、最新書込行。 DSP P.C.B. IC201 （DSP P.C.B.） 必要 DVDCD （DIGITAL OUTPUT（O

11、PTICALCOAXIAL） 端子付） 光 （OPTICAL端子使用時） 音声 （COAXIAL端子使用時） CD CD、PC最新指定先制作。 操作方法1. 本機DVD/CD下記接続。 （Fig. 1）Fig. 1Example of OPTICAL terminal / OPTICAL端子使用例Example of COAXIAL terminal / COAXIAL端子使用例After replacing the following parts with the replacement part,be sure to write the latest firmware.DSP P.C.B.

12、IC201 (DSP P.C.B.)G Required ToolsDVD or CD player (with DIGITAL OUTPUT (OPTICALor COAXIAL) terminal)Optical cable (when OPTICAL terminal is used)Digital audio pin cable (when COAXIAL terminal isused)Firmware CD*To make the firmware CD, download the latest firm-ware from the specified download sourc

13、e to PC.G Operation Procedures1. Connect the main unit and DVD/CD player as shownbelow. (Fig. 1)RadioFans.CN 收音机爱 好者资料库RX-V461/HTR-6040/DSP-AX46116RX-V461/HTR-6040/DSP-AX461Fig. 22. 本機 “STANDBY/ON” 、 “SPEAKERS A/B/OFF” 押、本機電源AC接続。 （Fig. 2）FIRMWARE UPDATE起動、 “SPDIFUpgrade” 表示。 （Fig. 2）Writing is comp

14、leted. / 書込完了Writing is started. / 書込開始Fig. 33. DVD/CD電源AC接続。4. DVD/CD “STANDBY/ON” 押。5. DVD/CD “EJECT” 押、開。6. CD載、閉。7. DVD/CD “PLAY” 押。書込開始。 （Fig. 3）8. 書込完了後、 “UpgradeOK” 、 “Please.” 、 “Turn off!” 繰返表示。 （Fig. 3）2. While pressing the “STANDBY/ON” key and “SPEAK-ERS A/B/OFF” key of the main unit simu

15、ltaneously,connect the power cable of the main unit to the ACoutlet. (Fig. 2)The FIRMWARE UPDATE mode will then be acti-vated and “SPDIF Upgrade” is displayed. (Fig. 2)3. Connect the power cable of DVD/CD player to theAC outlet.4. Press the “STANDBY/ON” key of the DVD/CD player.5. Press the “EJECT”

16、key of the DVD/CD player to openthe tray.6. Put the firmware CD on the tray and close the tray.7. Press the “PLAY” key of the DVD/CD player.Then writing of the firmware is started. (Fig. 3)8. When writing of the firmware is completed, “Up-grade OK”, “Please.” and “Turn off!” are dis-played repeatedl

17、y. (Fig. 3)FIRMWARE UPDATE modeSTANDBY/ON keySPEAKERS A/B/OFF keySPDIF UpgradeAddress:XXXXXXUpgrade OKPlease.Turn off!XXXXXX: Address information of the received data /受信情報RX-V461/HTR-6040/DSP-AX46117RX-V461/HTR-6040/DSP-AX461 本機既存、書込同場合、 “Same Version” 、 “Please.” 、 “Turn off!”表示繰返。 （必要。）CD再生開始後、10

18、秒以上経過表示変場合、CD再生最初直。“Address:XXXXXX” 後、 “FILE CORRUPTED”表示場合、書込破損確認、 “操作方法” 18一度直。“Upgrade Failed” 表示場合、 “操作方法” 18一度直。9. DVD/CD “STOP” 押。10.DVD/CD “EJECT” 押、開。11.CD外、閉。12.DVD/CD電源切、電源AC抜。13.本機 “STANDBY/ON” 押電源切。 確認正更新確認。詳細 自己診断 （） 参照。 表示、書込異場合、 “操作方法” 113一度直。*When the version of the firmware to be wr

19、ittenis the same as the one existing in the main unit,“Same Version”, “Please.” and “Turn off!” aredisplayed repeatedly. (Upgrading is not neces-sary.)If the display remains unchanged for more than10 seconds after starting the firmware CD playprocedure, perform the firmware CD play pro-cedure again

20、from the beginning.If “FILE CORRUPTED” is displayed after“Address:XXXXXX”, check to make sure thatthe written data is not corrupted and performSteps 1 to 8 of “Operation Procedures” again.If “Upgrade Failed” is displayed, perform Steps1 to 8 of “Operation Procedures” again.9. Press the “STOP” key of

21、 the DVD/CD player.10.Press the “EJECT” key of the DVD/CD player toopen the tray.11.Remove the firmware CD from the tray and closethe tray.12.Turn off the power of the DVD/CD player and dis-connect the power cable from the AC outlet.13.Turn off the power by pressing the “STANDBY/ON”key of the main u

22、nit.G Confirmation of firmware version and checksumConfirm that the firmware version and checksum valueis updated successfully with the DIAG function.For more information, refer to “SELF DIAGNOSIS FUNC-TION (DIAG)”.*When the displayed firmware version and checksumare different from written firmware

23、version andchecksum, follow the steps from 1 to 13 of “Opera-tion Procedures” again.RX-V461/HTR-6040/DSP-AX46118RX-V461/HTR-6040/DSP-AX461I SELF DIAGNOSIS FUNCTION (DIAG)自己診断機能 （）This unit has self diagnosis functions that are intended forinspection, measurement and location of faulty point.There ar

24、e 18 DIAG menu items, each of which has sub-menu items.Listed in the table below are menu items and sub-menuitems.Note that not all menu items listed will apply to the modelscovered in this service manual.本機、検査、測定、不良個所発見目的自己診断機能 （） 。18個、。下表一覧。下表全項目、記載適用限。No.DIAG menuSub-menu12345678910111213BYPASSAU

25、DIO CHECKSPEAKERS SET6CH-INPUTMIC CHECKFL/OSD CHECKTEST TONEFACTORY PRESETAD DATA CHECKXM STATUS(U, C models)DOCKUSB(Not applied to these models.)DAB(Not applied to these models.)ANALOG BYPASSDSP BYPASSAUDIO CHECKFRNT : SML 0dBCENTER : NONELFE/B : FRNTTONE : MAXTONE : MIN6ch INPUT 6-ohm6ch INPUT 8-o

26、hmLIM : , PLDET : , THM :MIC CHECKVFD CHECKVFD DISP OFFVFD DISP ALLVFD DIMMERCHECK PATTERNTEST ALLTEST FRNT LTEST CENTERTEST FRNT RTEST SURR RTEST SURR LTEST LFEPRESET INHIPRESET RSRVPD : , PV :TH : , PL :PI : , DE :K0 : , K1 :1k -1dB/441k -61dB/44Mute/44XM Tone/44ISO Tone/441k -1dB/321k -61dB/32Mut

27、e/32XM Tone/32ISO Tone/32Bus Power : OFFDOCK :DOCK ignoreUSB 1USB 2DAB 1DAB 2DAB 3RX-V461/HTR-6040/DSP-AX46119RX-V461/HTR-6040/DSP-AX461No.DIAG menuSub-menu1415161718IF STATUS(Not applied to these models.)PROTECTIONPROTECTION HISTORYSOFT SWITCHROM VER/SUMIF 1IF 2IF 3IF 4IF 5IF 6IF 7IF 8IF 9IF 10IF 1

28、1IF 12IF 13IF 14IF 15IF 16IF 17PRD L :PRD H :PRV L :PRV H :THM :PLD8H :PLD8L :PLD6H :PLD6L :PRI :PDET :History 1History 2History 3History 4SW MODEMODELDESTINATIONTUNER DESTINATIONVIDEO FORMATAACOSDYPAORDSXMDABUSBDOCK (iPod)VERSIONALL CHECKSUMPROGRAM CHECKSUMSPI CHECKSUMSPD CHECKSUMXM VERSIONDAB VERS

29、IONFlashROM TESTSDRAM TESTEEPROM TESTRX-V461/HTR-6040/DSP-AX46120RX-V461/HTR-6040/DSP-AX461 起動本体下図示同時押 “STANDBY/ON” 押、起動。Starting DIAGPress the “STANDBY/ON” key while simultaneouslypressing those two keys of the main unit as indicatedin the figure below.Turn on the power while pressing these keys. /

30、同時押、電源。Keys of main unit / 本機 解除1. 解除前、No. 8FACTORY PRESET （初期化禁止初期化） 設定。 保持場合、必PRESET INHIBITED （初期化禁止） 選択。2. 本機 “STANDBY/ON” 押、電源。 起動時表示本機FL、 （履歴） 表示、数秒後表示 （1. ANALOG BYPASS） 。Canceling DIAG1. Before canceling DIAG, execute setting for FAC-TORY PRESET of DIAG menu No.8 (Memory ini-tialization inhi

31、bited or Memory initialized).*In order to keep the user memory stored, besure to select PRESET INHIBITED (Memory ini-tialization inhibited).2. Turn off the power by pressing the “STANDBY/ON”key of the main unit.Display provided when DIAG startedOn the FL display of the main unit, an opening mes-sage

32、 (including the protection history) appears for afew seconds followed by the DIAG menu display (1.ANALOG BYPASS). 解除起動動作、故障箇所診断支障場合、次方法解除状態入。 （過電流検出以外動作解除）上図同時押 “STANDBY/ON” 押。、上図3秒以上押続。本体FL SLEEP 点滅、解除状態知。Starting DIAG in the protection cancel modeIf the protection function works and causes hindran

33、ceto trouble diagnosis, cancel the protection function asdescribed below, and it will be possible to enter theDIAG mode. (The protection functions other than theexcess current detect function will be disabled.)Press the “STANDBY/ON” key while simultaneouslypressing those two keys indicated in the fi

34、gure above.At this time, keep pressing those two keys for 3 sec-onds or longer.In this mode, the SLEEP segment of the FL displayof the main unit flashes to indicate that the mode isDIAG mode with the protection functions disabled.注意！解除起動、危険状態作動、動作本機破壊。使用場合十分注意。CAUTION!Using this product with the pro

35、tection function dis-abled may cause damage to the main unit. Use spe-cial care for this point when using this mode.RX-V461/HTR-6040/DSP-AX46121RX-V461/HTR-6040/DSP-AX461NO PROTECTIONAfter a few seconds / 数秒後DIAG menu display / 表示1.ANLOG BYPASSOpening message / 表示When there is no protection history履

36、歴無場合履歴場合：過電流履歴場合When there is a history of protection function:When there is a history of protection function dueto excess currentPRI PRT:xxx原因：過電流流。補足：電流検出、電流検出異常特定。異常状態電源、瞬時、電源切。Cause: An excessive current flowed through thepower amplifier.Supplementary information:As current of the power amplifie

37、r is detected,the abnormal channel can be identified bychecking the current detect transistor.Turning on the power without correcting theabnormality will cause the protection func-tion to work immediately and the power sup-ply will instantly be shut off.When there is no history of protection functio

38、n:履歴無場合：AD value when the protection function is working動作時A/D値AD value when the protection function is working動作時A/D値DC出力異常履歴場合When there is a history of protection function dueto abnormal DC output原因：DC出力異常。補足：故障端子直流電圧掛原因、働示。異常状態、約3秒後掛、電源切。Cause: DC output of the power amplifier is abnormal.Supple

39、mentary information:The protection function worked due to a DCvoltage appearing at the speaker terminal.A cause could be a defect in the amplifier.If the power is turned on with the abnormalityunsolved, the protection function works inabout 3 seconds to turn off the power.PRD PRT:xxx注意！ 異常状態本機電源入、危険

40、状態、回路損傷受原因。連続 “PRI” “PRD” 働場合、3回目 “STANDBY/ON” 押電源入。再度電源入場合、一度本機電源AC電源抜接続直。 本機電源前、各内出力損傷。 電流、各抵抗器間測定。Note)Applying the power to the main unit without cor-recting the abnormality can be dangerous andcause additional circuit damage. To avoid this, if“PRI” and “PRD” protection function has been ac-tiva

41、ted 3 times continuously, the power will notturn on even when the “STANDBY/ON key ispressed. In order to turn on the power again, dis-connect the power cable of the main unit from theAC outlet once and then reconnect it again.The output transistors in each amplifier channelshould be checked for dama

42、ge before applyingpower of the main unit.Amplifier current should be monitored by measur-ing across the emitter resistors for each channel.RX-V461/HTR-6040/DSP-AX46122RX-V461/HTR-6040/DSP-AX461原因：温度異常。補足：温度制限越原因、働示。異常状態、約1秒後掛、電源切。各検出関、後述参照。異常温度履歴場合When there is a history of protection function dueto

43、 excessive heat sink temperatureCause: The temperature of the heat sink is excessive.Supplementary information:The protection function worked due to thetemperature limit being exceeded.Causes could be poor ventilation or a defectrelated to the thermal sensor.If the power is turned on with the abnorm

44、ality unsolved,the protection function works in about 1 second to turn offthe power.For detection of each protection function, refer to DIAGmenu described later.THM PRT:xxx電源部電圧異常履歴場合When there is a history of protection function dueto abnormal voltage in the power supply sectionPRV PRT:xxx原因：電源部電圧異

45、常。補足：電源電圧原因、働示。異常状態、約1秒後掛、電源切。Cause: The voltage in the power supply section isabnormal.Supplementary information:The protection function worked due to a de-fect or overload in the power supply.If the power is turned on with the abnormalityunsolved, the protection function works inabout 1 second to

46、turn off the power.AD value when the protection function is working動作時A/D値AD value when the protection function is working動作時A/D値履歴働場合、履歴記憶。異常認、残、客様起異常区別。No. 8 PRESET RESERVED （初期化） 選解除場合、消場合履歴。History of protection functionWhen the protection function has worked, its historyis stored in memory with

47、 a backup.Even if no abnormality is noted while servicing theunit, an abnormality which has occurred previouslycan be defined as long as the backup data has beenstored.The history of the protection function is clearedwhen DIAG is cancelled by selecting PRESET RE-SERVED (Memory initialized) of DIAG m

48、enu No. 8 orwhen the backup data is erased.RX-V461/HTR-6040/DSP-AX46123RX-V461/HTR-6040/DSP-AX461 操作No. 118、。選択：“PROGRAM ”（順送） 、 “PROGRAM ”（逆送）選択。選択：“SCENE 2”（順送） 、 “SCENE 1”（逆送） 選択。Operation procedure of DIAG menu andSub-menuThere are 18 menu items, each of having sub-menuitems.DIAG menu selection:

49、Select the menu using “” (forward) and “” (reverse)keys of PROGRAM.Sub-menu selection:Select the sub-menu using “SCENE 2” (forward) and“SCENE 1” (Reverse) keys.Keys of main unit / 本機 中機能他、以下機能動作。 ABOFF 切換 関連、関連機能。 開始時初期設定開始時以下設定。解除時開始前状態戻。 ：-20 dB ：DVD （） ：0 dB ：1. ANALOG BYPASSFunctions in DIAG mod

50、eIn addition to the DIAG menu items, functions as listedbelow are available.Power on/offMaster volumeMutingSpeakers A/B/OFFInput selectionAudio selectTone control*Functions related to the tuner and the set menu arenot available.Initial settings used to start DIAGThe following initial settings are us