Yamaha-AX596-int-sm(1) 维修电路原理图.pdf

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1、AX-596SERVICE MANUALSTEREO AMPLIFIERAX-596100717I CONTENTSSPECIFICATIONS. 1TO SERVICE PERSONNEL . 2IMPEDANCE SELECTOR . 2REAR PANELS . 3INTERNAL VIEW . 5DISASSEMBLY PROCEDURES . 5ADJUSTMENTS . 6BLOCK DIAGRAM. 6-COM DATA . 7PRINTED CIRCUIT BOARD . 815SCHEMATIC DIAGRAM . 1617PARTS LIST . 1827REMOTE CO

2、NTROL TRANSMITTER . 28IMPORTANT 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,

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

4、wners 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 capabilit

5、ies, 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, therefor

6、e, 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 haveaccum

7、ulated 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.AX-596RadioFans.CN 收音机爱 好者资料库AX-5961I SPECIFICATIONSI Power SectionMinim

8、um RMS Output Power8, 20Hz to 20kHz, 0.015% THD100W + 100WMaximum Output Power (EIAJ)1kHz, 10% THD8/6145W / 170WDynamic Power (IHF)8/6/4/2140/170/220/290WDIN Standard Output Power4, 1kHz, 0.7% THD150WIEC Output Power8, 1kHz, 0.015% THD110WPower Band Width8, 50W, 0.03% THD10Hz to 50kHzDamping Factor8

9、, 20Hz to 20kHz320Frequency Response20Hz to 20kHz0 0.5dB20Hz to 100kHz0 +0.5, 3dBTotal Harmonic Distortion (20Hz to 20kHz)CD/DVD to SP OUT (8, 50W)0.008%Signal to Noise Ratio (IHF-A-Network)CD/DVD (Input Shorted, CD/DVD DIRECT AMP ON) 110dBPHONO (Input Shorted)92dBResidual Noise (IHF-A-Network)CD/DV

10、D DIRECT AMP ON35VI Control SectionInput Sensitivity / ImpedanceCD/DVD etc.150mV / 47kPHONO2.5mV / 47kOutput Level / ImpedancePRE OUT1V / 1.2kREC OUT150mV / 0.6kHeadphone Jack Rated Output / Impedance0.33V / 680Channel SeparationCD/DVD (Input 5.1k Terminated) 1kHz/10kHz65 / 50dBTone Control Characte

11、risticsBASS10dB (20Hz)TREBLE10dB (20kHz)Continuous Loudness ControlAttenuation30dB (1kHz)I GeneralPower SupplyU, C modelsAC120V, 60HzB, G modelsAC230V, 50HzA modelAC240V, 50HzR, T modelsAC110/120/220/240V, 50/60HzPower ConsumptionApprox. 220WAC Outlets3 switched outletsU, C, G, R, T models100W max,

12、total1 switched outletsA, B models100W max, totalDimensions (W x H x D)435 x 151 x 396mm(17-1/8 x 5-15/16 x 15-9/16)Weight11.0 kg (23lbs. 5oz.)AccessoriesRemote Control TransmitterBatteriesColorGold / Black / Titan* Specifications subject to change without notice.U . U.S.A. modelC . Canada modelG. E

13、uropean modelB . British modelA . Australia modelT . China modelR . General model DIMENSIONSRadioFans.CN 收音机爱 好者资料库AX-5962WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and /or plastic(where applicable) compo

14、nents may also contain traces of chemicals found by the California Health and Welfare 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 FOR ANY REA-SON WHATSOEVER!Avoid pr

15、olonged, 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 of this product, wash your hands beforehandling food.I TO SERVICE PERSONNEL1. Critica

16、l Components InformationComponents having special characteristics are marked sand 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 imperative to verifythat all exposed cond

17、uctive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohm shuntedby 0.15F.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in both polarities.I IMPEDANCE SELECTORAX-5963I REAR PANELSR modelU modelC modelA modelAX-

18、5964B modelG modelT modelJ modelAX-5965I DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.) Disconnect the power cord from the AC outlet.1. Removal of Top Covera. Remove 6 screws (1) in Fig. 1.2. Removal of Front Panela. Remove 6 screws (2) in Fig. 1.3. Removal of Sub Chassisa. Remove 4

19、 plastic rivets (3) in Fig. 1, then remove the Side Plates.b. Remove 5 screws (4) in Fig. 1.4. Removal of Power Transformera. Remove 4 screws (5) in Fig. 1.b. Remove 4 screws (6) in Fig. 1.5. Checking and Parts Replacement of MAIN P.C.B. (1)a. Remove 2 plastic rivets (7) in Fig. 1.b. Remove 12 screw

20、s (8) in Fig. 1, then remove the MAIN P.C.B. (1) withHeat Sink.Fig. 1I INTERNAL VIEW1 MAIN P.C.B. (9)2 MAIN P.C.B. (2)3 MAIN P.C.B. (1)4 MAIN P.C.B. (5)5 FUNCTION P.C.B. (13)6 FUNCTION P.C.B. (4)7 FUNCTION P.C.B. (5)8 MAIN P.C.B. (10)9 MAIN P.C.B. (11)0 FUNCTION P.C.B. (7)A FUNCTION P.C.B. (6)B FUNC

21、TION P.C.B. (3)C FUNCTION P.C.B. (1)AX-5966I ADJUSTMENTSConfirmation of Idling Current Right after Power is switched ON, confirm the voltagesmeasured at R111, R135 (L ch) and R112, R136 (R ch)are between 0.4mV to 8.0mV. If it exceeds 8.0mV, open (cut off) R175 (L ch), R176 (Rch) and reconfirm the vo

22、ltage.I BLOCK DIAGRAMAX-5967I -COM DATAIC308 : M34748E8SPABCDEFGHIJ1234567AX-596To MAIN (5)To/From FUNCTION (1)SPEAKERS BIMPEDANCESELECTORWHFrom MAIN (9)From MAIN (2)WHWHORORPOW+12SEBLBEBEBLMUS12GNDGNDRYSPRYPSPRPSPRIPROVRPVRGREBEP. C. B. MAIN (1)P. C. B. MAIN (7)From FUNCTION (1)-1515EELEREFrom FUNC

23、TION (7)HLEHRLBAB9I PRINTED CIRCUIT BOARD (Foil side)8ABCDEFGHIJ123457AX-5966From MAIN (1)+-+-SPEAKERS ALRBEWHBLREP. C. B. MAIN (5)POWERWHWHWHWHBRGYPOW+12SETo MAIN (7)From MAIN (10)AC OUTLETSACP. C. B. MAIN (2)P. C. B. MAIN (11)POWERTRANSFORMERWHWHORGYREYEORWHBEBRBRORBEBEBLTo MAIN (2)P. C. B. MAIN (

24、9)To MAIN (1)To/From MAIN (4)(R, T models only)P. C. B. MAIN (10)To/From MAIN (10)VOLTAGESELECTORBEORBRYEWHREP. C. B. MAIN (4)(R, T models only)10I PRINTED CIRCUIT BOARD (Foil side)11ABCDEFGHIJ1234567AX-596148514851485148511516301151630CEDataCL-1515CDMECDDLECDDRELER15-15PHREPHLECDRECDLETUNERAUXTAPEP

25、BTAPEREC OUTMDPBMDREC OUTTo/From FUNCTION (1)From FUNCTION (5)P. C. B. FUNCTION (4)110VOLUMEINPUTREC OUTTo/From FUNCTION (1)P. C. B. FUNCTION (3)LIELOEROERILED3LED4VRGVRdnVRupVRPENRENLDG5VREC121224218PURE DIRECTCD/DVD DIRECT AMPTo/From FUNCTION (3)To/From FUNCTION (8)To/From MAIN (1)To MAIN (1)To/Fr

26、om FUNCTION (4)To/From FUNCTION (4)To/FromFUNCTION (6)To/FromFUNCTION(13)P. C. B. FUNCTION (1)LIELOEROERILED3LED4VRGVRdnVRupVRPENRENLDG5VRECPSDGREW5VAUTAMDCDTUPHLSBYTROETLO-15TRIETLI-1515EELERECEDataCL-1515POREPOLEMIREMIL15-15MURELECDDRECDDLECDMVRGVRPPRDPAIPRPSRYPSRYSPDGDGS12MU1312I PRINTED CIRCUIT

27、BOARD (Foil side)ABCDEFGHIJ123457AX-596618MU-1515MILEMIREPOLEPORPRE OUTMAIN INTo/From FUNCTION (1)P. C. B. FUNCTION (13)CD/DVDDIRECT AMPPUREDIRECTFrom FUNCTION (1)P. C. B. FUNCTION (11)LED3LED2LED1POWERFrom FUNCTION (8)P. C. B. FUNCTION (10)5VLSBYSTANDBY/ONTo FUNCTION (8)P. C. B. FUNCTION (9)PSDGREM

28、5VAUXMDTAPECD/DVDTUNERPHONOFrom FUNCTION (9)To FUNCTION (10)To/From FUNCTION (1)P. C. B. FUNCTION (8)PSDGREW5VAUTAMDCDTUPHLSBY5VLSBY5VREMDGPSSPEAKERSABPHONESTo MAIN (1)P. C. B. FUNCTION (7)BALBHREHL18LOUDNESSBALANCETREBLEBASSTo/From FUNCTION (1)P. C. B. FUNCTION (6)TROETLO-15TRIETLI8115-15PHREPHLECD

29、RECDLECD/DVDPHONOTo FUNCTION (4)P. C. B. FUNCTION (5)1415I PRINTED CIRCUIT BOARD (Foil side)A123456789BCDEFGHIJKLAX-596#? All voltage are measured with a 10M? /V DC electric volt meter.#? Components having special characteristics are marked s and must be replaced with parts having specifications equ

30、al to those originally installed.#? Schematic diagram is subject to change without notice.16SCHEMATIC DIAGRAMPIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.2SC1815?2SA1015?2SC1890A2SC44882SD1915F2SC1740SDTC114ESDTC144ES2SA933SEECCBBECBDIODESAnodeCathodeNJM2068LDNJM4558L18LB1641LC78211110M3474

31、8E8SP121421153023P15IN 11GND4VZ6IN 2OUT 18VCC 210OUT 29P2INPUT LOGICPRE DRIVER7VCC 187654321OUT1Vcc+IN2IN2OUT2+Vcc+IN1IN1NJM2068LD / NJM4558LDLC78211Point 1 and 2Emitter of Q322Base of Q316Point 3Pin 20 of IC308LB1641123456789101130292827262524232221201916121817141513LEVEL SHIFTERLATCHCONTROLSHIFT R

32、EGISTERZZZZZZL1L2L3L4LCOM1L5L6L7L8RESSVDDVSSVEELCOM2LCOM3R1R2R3R4RCOM1RCOM2RCOM3R5R7R8D1CLCER6With the POWER switchturned ON, connect thepower cord to the AC outlet.Disconnect the power cordfrom the AC outlet.To MAIN (1)see page 17CD/DVD DIRECT AMP OFFCD/DVD DIRECTAMP ONCD/DVD DIRECT AMP & PURE DIRE

33、CT OFFTo MAIN (1)see page 17To/From MAIN (1)see page 17K4G113212.700000000000000-12.813.013.1-13.0-13.0-13.0-13.1-13.6-13.6-13.6-13.613.813.813.513.512.912.90.10.10.10.1-0.6-0.6-0.60.60.60.60.6-0.600000.70.712.912.912.9-13.0-13.0-13.00000000000000012.9-13.00000000000000000000000000000000000000000000

34、0000000000004.84.814.814.514.514.814.8-14.7-14.7000011.89.90.70.400.50.70.51.71.717.417.411.812.413.000000013.7-13.8000.10.10.10.113.4-14.50-0.100.74.94.814.514.614.614.600000000004.84.84.94.404.84.84.84.84.84.80.14.84.84.44.64.84.84.84.84.94.92.22.42.90.61.74.800000.60.60.50.49.91.71.00014.614.513.

35、94.84.84.84.84.82.64.84.84.44.44.44.44.44.44.44.44.44.404.90006.16.67.313.813.713.16.15.55.55.55.55.55.5-14.64.94.84.84.813.6000000000014.1-14.2-14.6INPUT SELECTORCD BUFFERPHONO EQ AMPMOTOR DRIVERSYSTEMCONTROLRESETPROTECTIONMUTINGVOLUME AMPTONE CONTROL AMPPHONESSPEAKERSABA123456789BCDEFGHIJKLSCHEMAT

36、IC DIAGRAM17AX-596PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.BCE2SC44662SA11452SA9702SC27052SC1815?2SA1015?2SA893A2SC1890AS5VB202SA13582SC44882SA17082SD1915F2SC1740SDTA123ESTPEECCBBECB+ECBDIODESAnodeCathode#? All voltage are measured with a 10M? /V DC electric volt meter.#? Components hav

37、ing special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.#? Schematic diagram is subject to change without notice.To/From FUNCTION (1)see page 18From FUNCTION (7)see page 16From FUNCTION (1)see page 1614.7-14.7-17.717.515.3-15

38、.3-15.3-15.40000000006.66.66.76.714.114.114.10.10.10.700AC69.2AC82.052.0(43.6)-52.1 (-43.7)000.714.814.617.417.4-5.7-5.717.517.517.517.5-17.6-17.8-17.8-0.3-17.717.517.515.717.6AC82.00000-14.6-14.600-51.2-51.2-51.2-51.20.60.60.60.60.60.6000000000-52.1-52.1-51.2-51.2-51.2-51.2-51.2-51.7-51.7-51.2-51.8

39、-51.8-51.2-51.2-51.2-51.2-51.2-51.2-52.1-52.1-52.1-50.2-1.1-1.1-0.6-0.6-0.60000050.752.052.052.051.652.051.50.60.61.11.11.10.600-1.1-0.5-51.2-51.2-51.2-51.20.60.60.6-51.0-51.051.700-50.6-52.11.11.11.1-1.1-0.5-0.5-0.5-1.1-1.1-0.551.751.051.051.051.651.452.052.052.052.052.052.051.8-14.2-12.4-12.4-14.5

40、POWER SUPPLYRELAY DRIVERPOWER SUPPLYPOWER AMPIMPEDANCESELECTORSPEAKERS ASPEAKERS BPOWERAX-59618I WARNINGComponents having special characteristics are marked s and must bereplaced with parts having specifications equal to those originally in-stalled.GCarbon resistors (1/6W or 1/4W) are not included i

41、n the ELECTRICALPARTS List. For the parts No. of the carbon resistors, refer to last page.ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS:C.A.EL.CHP: CHIP ALUMI.ELECTROLYTIC CAPC.CE: CERAMIC CAPC.CE.ARRAY : CERAMIC CAP ARRAYC.CE.CHP: CHIP CERAMIC CAPC.CE.ML: MULTILAYER CERAMIC CAPC.CE.M.CHP: CHIP MULTILAY

42、ER CERAMIC CAPC.CE.SAFTY: RECOGNIZED CERAMIC CAPC.CE.TUBLR: CERAMIC TUBULAR CAPC.CE.SMI: SEMI CONDUCTIVE CERAMIC CAPC.EL: ELECTROLYTIC CAPC.MICA: MICA CAPC.ML.FLM: MULTILAYER FILM CAPC.MP: METALLIZED PAPER CAPC.MYLAR: MYLAR FILM CAPC.MYLAR.ML : MULTILAYER MYLAR FILM CAPC.PAPER: PAPER CAPACITORC.PLS:

43、 POLYSTYRENE FILM CAPC.POL: POLYESTER FILM CAPC.POLY: POLYETHYLENE FILM CAPC.PP: POLYPROPYLENE FILM CAPC.TNTL: TANTALUM CAPC.TNTL.CHP: CHIP TANTALUM CAPC.TRIM: TRIMMER CAPCN: CONNECTORCN.BS.PIN: CONNECTOR,BASE PINCN.CANNON: CONNECTOR,CANNONCN.DIN: CONNECTOR,DINCN.FLAT: CONNECTOR,FLAT CABLECN.POST: C

44、ONNECTOR,BASE POSTCOIL.MX.AM: COIL,AM MIXCOIL.AT.FM: COIL,FM ANTENNACOIL.DT.FM: COIL,FM DETECTCOIL.MX.FM: COIL,FM MIXCOIL,OUTPT: OUTPUT COILDIOD.ARRAY : DIODE ARRAYDIODE.BRG: DIODE BRIDGEDIODE.CHP: CHIP DIODEDIODE.VAR: VARACTOR DIODEDIOD.Z.CHP: CHIP ZENER DIODEDIODE.ZENR : ZENER DIODEDSCR.CE: CERAMI

45、C DISCRIMINATORFER.BEAD: FERRITE BEADSFER.CORE: FERRITE COREFET.CHP: CHIP FETFL.DSPLY: FLUORESCENT DISPLAYFLTR.CE: CERAMIC FILTERFLTR.COMB: COMB FILTER MODULEFLTR.LC.RF: LC FILTER,EMIGND.MTL: GROUND PLATEGND.TERM: GROUND TERMINALHOLDER.FUS : FUSE HOLDERIC.PRTCT: IC PROTECTORJUMPER.CN: JUMPER CONNECT

46、ORJUMPER.TST : JUMPER,TEST POINTL.DTCT: LIGHT DETECTING MODULEL.EMIT: LIGHT EMITTING MODULELED.DSPLY: LED DISPLAYLED.INFRD: LED,INFRAREDMODUL.RF: MODULATOR,RFPHOT.CPL: PHOTO COUPLERPHOT.INTR: PHOTO INTERRUPTERPHOT.RFLCT : PHOTO REFLECTORPIN.TEST: PIN,TEST POINTPLST.RIVET: PLASTIC RIVETR.ARRAY: RESIS

47、TOR ARRAYR.CAR.: CARBON RESISTORR.CAR.CHP: CHIPRESISTORR.CAR.FP: FLAME PROOF CARBON RESISTORR.FUS: FUSABLE RESISTORR.MTL.CHP: CHIP METAL FILM RESISTORR.MTL.FLM: METAL FILM RESISTORR.MTL.OXD: METAL OXIDE FILM RESISTORR.MTL.PLAT: METAL PLATE RESISTORRSNR.CE: CERAMIC RESONATORRSNR.CRYS: CRYSTAL RESONAT

48、ORR.TW.CEM: TWIN CEMENT FIXED RESISTORR.WW: WIRE WOUND RESISTORSCR.BND.HD : BIND HEAD B-TITE SCREWSCR.BW.HD: BW HEAD TAPPING SCREWSCR.CUP: CUP TITE SCREWSCR.TERM: SCREW TERMINALSCR.TR: SCREW,TRANSISTORSUPRT.PCB: SUPPORT,P.C.B.SURG.PRTCT : SURGE PROTECTORSW.TACT: TACT SWITCHSW.LEAF: LEAF SWITCHSW.LEV

49、ER: LEVER SWITCHSW.MICRO: MICRO SWITCHSW.PUSH: PUSH SWITCHSW.RT.ENC: ROTARY ENCODERSW.RT.MTR: ROTARY SWITCH WITH MOTORSW.RT: ROTARY SWITCHSW.SLIDE: SLIDE SWITCHTERM.SP: SPEAKER TERMINALTERM.WRAP : WRAPPING TERMINALTHRMST.CHP : CHIP THERMISTORTR.CHP: CHIP TRANSISTORTR.DGT: DIGITAL TRANSISTORTR.DGT.CH

50、P : CHIP DIGITAL TRANSISTORTRANS: TRANSFORMERTRANS.PULS : PULSE TRANSFORMERTRANS.PWR: POWER TRANSFORMER ASSYTUNER.AM: TUNER PACK,AMTUNER.FM: TUNER PACK,FMTUNER.PK: FRONT-ENDTUNER PACKVR: ROTARY POTENTIOMETERVR.MTR: POTENTIOMETER WITH MOTORVR.SW: POTENTIOMETER WITH ROTARY SWVR.SLIDE: SLIDE POTENTIOME