Yamaha-DSPAX757-avr-sm 维修电路原理图.pdf

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1、SERVICE MANUALThis 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, and have therefore not b

2、een 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 owners that any service r

3、equired should be performed by an authorized YAMAHARetailer 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 capabilities, or establish a prin

4、ciple-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, and servicedepartments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable andspecifi

5、cations are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact thedistributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding your

6、self 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.IMPORTANT NOTICE100939SERVICE MANUALRX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860AV RECEIVER/AV

7、AMPLIFIERDISPLAY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 5152IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5361PIN CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . 62BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 6364PRINTED CIRCUIT BOARD

8、 . . . . . . . . . . . . . . . . 6584SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 8595PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97133REMOTE CONTROL RAV272, RAV273 . . . . 134135REMOTE CONTROL RAV252, RAV253 . . . . 136137I CONTENTSTO SERVICE PERSONNEL . . . . . .

9、. . . . . . . . . . . . 23FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 35REMOTE CONTROL PANELS . . . . . . . . . . . . . . . . . . 6REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 712SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . . .1317INTERNAL VIEW . .

10、. . . . . . . . . . . . . . . . . . . . . . . . . . 18DISASSEMBLY PROCEDURES / 分解手順 . . . . .1927SELF DIAGNOSIS FUNCTION (DIAG) /自己診断機能（） . . . . . . . . . . . . . . . . . . . . 2849AMP ADJUSTMENT / 部調整 . . . . . . . . . . . . . . .50RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860 05.03RadioFans.CN 收音

11、机爱 好者资料库28RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860ISELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能 （）本機、 検査、 測定、 不良個所発見目的自己診断機能 （） 。20種類、 。This product has a built-in self diagnosis function (DIAG) tofacilitate inspection, measurement and determination of af

12、aulty item, if any. There are 20 DIAG menu items, each hav-ing sub-menu items.No. DIAG menuSub-menu1BYPASS1.ANALOG BYPASS2. DSP BYPASS2RAM THROUGH1. RAM MARGIN2. RAM FULL BIT3PRO LOGIC1. PRO LOGIC4SPEAKERS SET1. FRNT : SML 0dB2. CENTER : NONE3. LFE/B : FRNT4. Pres Mix : 5ch5. Front GAIN 16. Front GA

13、IN 27. Zone 2 Amp ON5XCH INPUT1. XCH INPUT_62. XCH INPUT_86MIC CHECK1. MIC CHK7VFD CHECK1. VFD CHECK (Initial display / 初期表示)2. VFD OFF/OSD OFF3. VFD ALL/OSD 128 character pattern4. VFD DIMMER/OSD OFF5. VFD PATTERN/OSD OFF8MANUAL TEST1. TEST ALL2. TEST FRNT L3. TEST CENTER4. TEST FRNT R5. TEST SURR

14、R6. TEST SB R7. TEST SB L8. TEST SURR L9. TEST PRES L10. TEST PRES R11. TEST LFE9FACTORY PRESET1. PRESET INHI (memory initialization inhibited / 初期化禁止)2. PRESET RSRV (memory initialized / 初期化)10AD DATA CHECK1. DC/PS (protection)2. THM3. IMP SW/POWER LIMIT4. PANEL KEY11V CONV STATUS1. LOW BYTE2. HIGH

15、 BYTE12XM STATUS1. XMS1 (No applied to these models / 適用)2. XMS2 (No applied to these models / 適用)13IF STATUS1. DST :2. DMD :3. DIF :4. PC :5. CS1 :6. CS2 :7. DEI :RadioFans.CN 收音机爱 好者资料库29RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860No. DIAG menuSub-menu

16、8. BS1 :9. BS2 :10. BS3 :11. BS4 :12. BS5 :13. BS6 :14. BS7 :15. BS8 :16. MTT :17. DGI :14DSP BUS CHECK1. TI BUS :15SWFR CUT OFF1. LFE LPF2. LFE HPF16PROTECTION SETTING1. PS_Lo :(Not applied to these models /2. PS_Hi : 適用)3. DC_Lo :4. DC_Hi :5. TEMP :6. PL_8_M_L7. PL_8_M_H8. PL_8_N_L9. PL_8_N_H10. P

17、L_6_M_L11. PL_6_M_H12. PL_6_N_L13. PL_6_N_H17PROTECTION HISTORY1. history 12. history 23. history 34. history 418SOFT SWITCH1. SW MODE2. MODEL SETTING3. DESTINATION4. TUNER DESTINATION5. TUNER TYPE6. VIDEO FORMAT7. ZONE28. AAC9. TUNER10. Z2Amp11. OSD12. YPAO19SOFTWARE VERSION1. uCOM Ver. :2. uCOM SU

18、M :3. OPE/DSP/XM4. PORT5. DSP Ver.6. DSP SUM7. EEPROM SUM20DSP SOFTWARE REWRITE1. TI BOOT30RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860G Starting DIAGPress the “STANDBY/ON” key of the main unit while simul-taneously pressing the “INPUT MODE” key and the

19、“MULTICH INPUT” key to activate the DIAG function.起動本体 “INPUT MODE” “MULTI CH INPUT” 同時押、 “STANDBY/ON” 押起動。Turn on the power while pressing these keys. 同時押、 。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。注意！解除状態、危険状態作動、動作、機器破壊。使用場合十分注意。G Starting DIAG i

20、n the protection cancelmodeIf the protection function works and causing hindranceto 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 “S

21、TANDBY/ON” key while simultaneously press-ing those two keys indicated in the figure above. At this time,keep pressing those two keys for 3 seconds or longer.In this mode, the “SLEEP” segment of the FL display of themain unit flashes to indicate that the mode is DIAG modewith the protection function

22、s disabled.CAUTION!Using this product with the protection function disabledmay cause damage to itself. Use special care for this pointwhen using this mode.G Canceling DIAG解除1解除前、 No. 9PRESET （初期化禁止/ 初期化）設定。 保持場合、必 PRESETINHIBITED（初期化禁止）選択。2本体“STANDBY/ON ”押、。1Before canceling DIAG, execute setting fo

23、r PRESET ofDIAG menu No.9 (Memory initialization inhibited orMemory initialized).*In order to keep the user memory stored, be sure to se-lect PRESET INHIBITED (Memory initialization inhibited).Protection history will remain in memory.2Turn off the power by pressing the “STANDBY/ON” key ofthe main un

24、it.31RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860When there is a history of protection function:The FL display appears as shown below depending on thetype of the protection function.履歴場合:時原因、働示。The protection function worked due to exces-sive current thr

25、ough the amplifier. Causescould be a short at the speaker terminal or adefect in the amplifier. The protection func-tion activates immediately to turn off thepower, with no history display at turn-on, ifthe amplifier is defective.種類下記表示現。起動時表示接続場合、画面図表示。本体FL、 （履歴） 表示、数秒後表示 （1. ANALOG BYPASS） 。G Disp

26、lay provided when DIAG startedWhen the monitor is connected, DIAGNOSTIC MENUappears on its screen as shown in the figure.On the FL display of the main unit, an opening message(including the version and the protection history) appearsfor a few seconds followed by the diagnostic menu dis-play (1. ANAL

27、OG BYPASS).Opening message /表示DIAG menu display / 表示After a few seconds数秒後Version (1 alphabet)（英1 文字）When there is no protection history履歴無場合When there is no history of protection function:履歴無場合:NO PROTECT Z1.ANALOG BYPASI PROTECT Z1.BYPASS2.RAM THR3.PRO LOGIC4.SP SET5.XCH INPUT6.MIC CHECK7.VFD CHEC

28、K8.MAN,LTEST9.PRESET10.AD CHECK11.VC STATUS12.XM STATUS13.IF STATUS14.DSP BUS15.SWFR C.OFF16.PRT SET17.PRT HIST.18.SOFT SW19.VER/SUM/P20.TI BOOT32RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860故障直流電圧掛原因、働示。異常状態、約3秒後掛、電源切。電源電圧原因、働示。異常状態、約1秒後掛、電源切。温度制限越原因、働示。

29、異常状態、約1秒後掛、電源切。The protection function worked due to a DCvoltage appearing at the speaker terminal.A cause could be a defect in the amplifier. Ifthe power is turned on with the abnormalityunsolved, the protection function works inabout 3 seconds to turn off the power.The protection function worked d

30、ue to a de-fect or overload in the power supply. If thepower is turned on with the abnormality un-solved, the protection function works in about1 second to turn off the power.The protection function worked due to thetemperature limit being exceeded. Causescould be poor ventillation or a defect relat

31、edto the thermal sensor. If the power is turnedon with the abnormality unsolved, the pro-tection function works in about 1 second toturn off the power.各検出関、後述No. 10 AD DATA （42） 参照。G History of protection functionWhen the protection function has worked, its history is storedin memory with a backup.

32、Even if no abnormality is noted whileservicing the unit, an abnormality which has occurred previ-ously can be defined as long as the backup data has beenstored.The history of the protection function is cleared when DIAG iscancelled by selecting PRESET RESERVED (Memory initial-ized) of DIAG menu No.9

33、 or when the backup data is erased. 履歴働場合、履歴記憶。 異常認、 残、客様起異常区別。 No.9 PRESET RESERVED（初期化）選解除場合、消場合、履歴。For detection of each protection function (except I-PROTECT), refer to DIAG MENU No.10 AD DATA (p.42).PS PRT :000 ZDC PRT :000 ZTMP PRT:000 Z 動作中表示中、画面起動画面項説明一覧表示。本体 FL 動作中機能表示。機能動作中表示内容、後述機能詳細記述。G

34、Display during menu operationDuring the DIAG operation, the menu list described inthe section of the startup screen appears on the monitorscreen and the function at work is indicated on the FLindicator. The contents displayed during the function op-eration are described later in the “Details of DIAG

35、 menu”section.33RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860Reverse逆送Forward順送SUB-MENU selection選択DIAG menu selection選択orward順送Rev逆送erseFDSP-AX757SE onlyG 操作No.120、。選択PROGRAM選択。選択PRESET/TUNINGw （順送） 、q （逆送） 選択。G Operation procedure of DIAG MENU andSUB-ME

36、NUThere are 20 MENU items, each of which has some SUB-MENU items.DIAG menu selectionSelect the menu using PROGRAM knob.SUB-MENU selectionSelect the sub-menu using w (Forward) and q (Reverse)keys of PRESET/TUNING (LEVEL).G 中機能他、以下機能動作。切換、調整A/B/関連、関連機能。本体INPUT MODE 、各信号処理（動作状態）維持No.13“IF STATUS ”確認。G

37、開始時初期設定開始時以下設定。解除時開始前状態戻。:20dB: DVD （INPUT）: 0 dB:A/B:設定: LARGE / BASS OUT=SWFR: BYPASS （1.ANALOG BYPASS）G Functions in DIAG modeIn addition to the DIAG menu items, functions as listedbelow are available. Input selection, Multi channel input Center/Surround/Surround Back/Sub-woofer leveladjustment M

38、uting Speaker relay A/B Power on/off Master volume* Functions related to the tuner and the set menu are notavailable.* It is possible to confirm Menu No.13 IF STATUS whilekeeping the signal process (operation status) of eachDIAG menu by using the input mode key of the mainunit.G Initial settings use

39、d to start DIAGThe following initial settings are used when startingDIAG. When DIAG is canceled, these settings arerestored to those before starting DIAG. Master volume: -20dB Input: DVD (MULTI CHANNEL INPUT OFF) Effect level: 0dB Audio mute: OFF Speaker relay A/B: ON Speaker setting: LARGE / BASS O

40、UT = SWFR DIAG menu: BYPASS (1. ANALOG BYPASS)34RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860Details of DIAG menu詳細1. BYPASS ANALOG BYPASS/DSP BYPASS選択可能。1. BYPASSUsing the sub-menu, it is possible to select analog bypassoutput or DSP bypass output.ANALOG

41、 BYPASSANALOG BYPASSDSP BYPASSDSP BYPASSFRONT L/R+13.0 dBmCENTER- SURROUND L/R- SUBWOOFER(50 Hz)- SPEAKERS OUT (1KHz)Input levelBoth ch, -20 dBmVolume+6.5 dBSURROUND BACK L/R- INPUT: DVD ANALOGFRONT L/R+13.0 dBmCENTER- SURROUND L/R- SUBWOOFER(50 Hz)- SPEAKERS OUT (1KHz)Input levelBoth ch, -20 dBmVol

42、ume+6.5 dBSURROUND BACK L/R- INPUT: DVD ANALOG1.ANALOG BYPAS1.DSP BYPASSANALOG BYPASSDSP BYPASS(Shaded items not used in this example)DIRLC89057DSP( DECODE)(POST PROCESSING)TI DA60YA/DAK4628DRAMFL / FRPL / PRC / SWSL / SRSBL/ SBRROMXMDT(U, C models)DIRLC89057DSP( DECODE)(POST PROCESSING)TI DA60YA/DA

43、K4628DRAMFL / FRPL / PRC / SWSL / SRSBL/ SBRROMXMDT(U, C models)35RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-58602. RAM THROUGH MARGIN/Full Bit選択可能。2. RAM THROUGHUsing the sub-menu, it is possible to select margin output orfull-bit output.RAM MARGIN以下取。RAM

44、MARGINFollowing head margin is reserved.RAM FULL BITSW以外取。RAM FULL BITNo head margin is reserved except SW.FRONT L/R+13.0 dBmCENTER+13.0 dBmSURROUND L/R+13.0 dBmSUBWOOFER(50 Hz)+ 0.5 dBmSPEAKERS OUT (1KHz)Input levelBoth ch, -20 dBmVolume+6.5 dBSURROUND BACK L/R+13.0 dBmINPUT: DVD ANALOGFRONT L/R+13

45、.0 dBmCENTER+13.0 dBmSURROUND L/R+13.0 dBmSUBWOOFER(50 Hz)+ 0.5 dBmSPEAKERS OUT (1KHz)Input levelBoth ch, -20 dBmVolume+6.5 dBSURROUND BACK L/R+13.0 dBmINPUT: DVD ANALOG2.RAM MARGIN2.RAM FULL BIT(Shaded items not used in this example)FRONT+15.0 dBCENTER+13.5 dBSURROUND+9.0 dBSUBWOOFER+21 dBSURROUND

46、BACK+7.5 dBPRESENCE+15.0 dBFRONT0 dBCENTER0 dBSURROUND0 dBSUBWOOFER+21 dBSURROUND BACK0 dBPRESENCE0 dBDIRLC89057DSP( DECODE)(POST PROCESSING)TI DA60YA/DAK4628DRAMFL / FRPL / PRC / SWSL / SRSBL/ SBRROMXMDT(U, C models)Front L Center / Surround L / Surround Back L, R / Presence LFront R Surround R / P

47、resence RFront L + 10 dB SWFRWhen input source is stereo, signal is assigned as below.2 ch 信号入力時、以下信号振分出力。36RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860(Shaded items not used in this example)3. PRO LOGIC入力2ch信号Dolby PRO LOGIC処理行。3. PRO LOGIC Dolby PRO LO

48、GIC is applied to input stereo source.3.PRO LOGICFRONT L/R+13.0 dBm - CENTER- +13.0 dBmSURROUND L/R- - SUBWOOFER(50 Hz)- - SPEAKERS OUT (1KHz)Input levelEach ch, -20 dBmBoth ch, -20 dBmVolume+6.5 dB+6.5 dBSURROUND BACK L/R- - INPUT: DVD ANALOGDIRLC89057DSP( DECODE)(POST PROCESSING)TI DA60YA/DAK4628D

49、RAMFL / FRPL / PR C / SWSL / SRSBL / SBRROMXMDT(U, C models)37RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-5860RX-V757/DSP-AX757/DSP-AX757SERX-V657/HTR-58604.FRNT:SML 0dB4.CENTER:NONE4.LFE/B:FRNT4.Pres Mix:5ch4.Front GAIN 14.Front GAIN 24.Zone2 Amp ONLARGE: 低音再生能力高 （大） 使用。全帯域出力。SMALL:低音再生能力低 （小） 使用。80Hz

50、 以下LFE/BASS 指定。NONE:使用。成分-3dB、FRONT L/R 振分。LARGE: This mode is used with a speaker with high bass repro-duction performance (a large unit). Full bandwidth signalsare output.SMALL: This mode is used with a speaker with low bass reproduc-tion performance (a small unit). The signals of 80Hz orless are