Denon-PMA2000IVR-int-sm维修电路原理图.pdf

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1、Hi-Fi Integrated Stereo AmplifierSERVICE MANUALMODEL PMA-2000IVRINTEGRATED STEREO AMPLIFIER?Some illustrations using in this service manual are slightly different from the actual set.16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPANTelephone: 03 (3837) 5321RadioFans.CN 收音机爱 好者资料库2PMA-2000IVRS

2、PECIFICATIONS? POWER AMPLIFIER SECTIONRated Output Power:Both channel driven(8 /ohms Load)80 W + 80 W20 Hz to 20kHz, T.H.D. 0.07 %(4 /ohms Load)160 W + 160 WDIN, 1 kHz, T.H.D. 0.7 %Total Harmonic Distortion:0.01 %(3 dB at rated output, 8 /ohms) (1kHz)Input Sensitivity/Input Impedance:P . DIRECT:0.9

3、V/47 k/kohmsAmplification factor:29 dB? ? PRE AMPLIFIER SECTIONPHONO EQUALIZERRated Output:150 mV(Rec out Terminal)Input Sensitivity/Input Impedance:The value in parentheses ( ) refers to the input impedance when SOURCE DIRECT is ON.PHONO:MM: 2.5 mV/47 k/ohmsMC: 200 V/100 /ohmsCD, TUNER, DVD/AUX-1,

4、AUX-2,135 mV/47 k/ohmsTAPE-1/CD-R, TAPE-2/MD:(135 mV/12 k/ohms)RIAA Deviation:PHONO:20 HZ 20 kHz 0.5 dBMaximum Input:PHONOMM: 130 mV/1 kHzMC: 10mV/1 kHzRated Output:PRE PUT: 0.9 V(Input CD 135 mV)? ? OVERALL CHARACTERISTICSSN Ratio (IHF A Network):PHONO(input terminals short-circuited)MM: 89 dB (at

5、5 mV input)(input terminals short-circuited)MC: 74 dB (at 0.5 mV input)SOURCE-DIRECT: ONCD, TUNER, DVD/AUX-1, AUX-2, TAPE-1/CD-R, TAPE-2/MD: 108 dBTone Control Adjustable Range:BASS:100 Hz 8 dBTREBLE:10 kHz 8 dB? OTHERSPower Supply:AC 230 V, 50 Hz (Asia)AC220 V, 50 Hz (China)AC Outlets:Switched 2:10

6、0 W (Total) Except for China modelUnswitched 1:100 WPower Consumption:310 W (IEC)Dimensions:434 (W) 180 (H) 478 (D) mm (17-3/32 7-5/64 18-13/16)Net Mass:24.0 kg (52 lbs 14.6 oz)? REMOTE CONTROL UNIT (RC-858)Remote control system:Infrared pulse systemPower supply:3 V DC, Two size R03 (AAA) dry cell b

7、atteriesExternal dimensions:56 (W) 105 (H) 19 (D) mm (2-3/16 4-1/8 23/32)Mass:70 g (Approx. 2.47 oz) (including batteries)* Maximum dimensions include controls, jacks, and covers.(W) = width, (H) = height, (D) = depth* For improvement purposes, specifications and functions are subject to change with

8、out advanced notice.SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance c

9、heck. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.RadioFans.CN 收音机爱 好者资料库3PMA-2000IVRDISASSEMBLY (Do reverse manner when assembling.)Top CoverRemove 14 screws 1, 4 screws 2 and detach th

10、e Top Coverin the arrow direction.Top CoverFront Panel1. Remove 8 screws 3.2. Pull out the knob 4 and remove the nut, then detach thepanel in the arrow direction.NutFront Panel11122133344PMA-2000IVRRear Panel1. Remove 5 screws 6, 6 screws 7 and 2 screws 8.2. Detach the Rear Panel in the arrow direct

11、ion.Heat SinkAssyHeat Sink AssyRemove 2 screws 9 and detach the Heat Sink Assy in thearrrow direction.Rear PanelBottom PlateRemove 24 screws 5 and detach it in the arrow direction.Bottom Plate9677855PMA-2000IVRIDLING CURRENT? ? Setup1.Lay the unit at an ordinary position away from a direct current f

12、rom an air condition or fan. Do the adjustment at atemperature between 15C (59F) and 30C (86F).2.Set control as follows.POWER SWITCH OFF ().VOLUME CONTROL Fully counterclockwise in the minimum position ( ). (Main Volume and Semifixed resistors VR501, 502)SPEAKER Terminals Open: do not connect the sp

13、eakers, dummy load etc.? Adjustment1.Remove top cover. And then connect DC Voltmeter to test points of 1U-3432-1 (Lch) and 1U-3432-2 (Rch) Power AmpPrinting Wiring Board.2.Connect power cord to AC wall outlet, and turn POWER switch ON (). Within 10 seconds turn VR501 (Lch) andVR502 (Rch) clockwise s

14、o that the DC Voltmeter reads 12 0.5mV.3.Then after 2 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12 0.5mV.4.And after 10 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12 0.5mV.METHOD OF ADJUSTMENTSDC VoltmeterMain Volume1U-3432-2Power Amp P.W.B. (R)VR

15、5021U-3432-1Power Amp P.W.B. (L)VR501PowerTransPowerTrans6PMA-2000IVR43215678DCBAEINPUTREC OUTPRE OUTMAIN INP . AMP DIRECT 0.9V(-1dB)CD etc.135mV(-17.4dB)PHONO MM 2.2mV(-53dB)PHONO MC 0.18mV(-75dB)PHONOCDTUNERDVD/AUX-1AUX-2TAPE-1/CD-RTAPE-1/CD-RTAPE-2/MDTAPE-2/MDRIAAMCMM47k 100+-BASSBUFFERBALANCETRE

16、BLESOURCEOFFONDIRECTMAIN VOLUMEPOWER AMP DIRECTFLAT AMPTONEPOWER AMPPROTECTORSPEAKER A(MAIN)SPEAKER B(BI WIRING)HEAD PHONEPOWER AMPPOWER AMPPOWER GNDVOLTAGEREGULATORREC OUT SELECTOROFFONEQUALIZERTONE AMPPOWER AMPFLAT AMPPROTECTOR&RELAY+16V-16VGND+16V-16VGND+16V-16VGNDGND+30V+12V-30VGND+AC PLUG80W/8o

17、hm 25.3V(28dB)40dB-40dB-50dB-60dB-70dB-80dB20dB-20dB10dB-10dB0dB30dB-30dB(dBV)BLOCK/LEVEL DIAGRAM SEMICONDUCTORS? ? ? ? ICsTMP87CC46N-4C08 (IC901)7PMA-2000IVR2122(VASS)VSSVAREF2023XOUTP60(AIN0)1924XINP61(AIN1)1825RESETP62(AIN2)1726TESTP63(AIN3)1627P00P64(AIN4)1528P01P65(AIN5)1429P02P66(AIN6)1330P03P

18、67(AIN7)1231P04P10(INT0)1132P05P11(INT1)1033P06P12(INT2/TC1)934P07P13(DVO)835(INT3/TC3)P70P14(PPG)736(INT4)P71P15(TC2)637(PDO/PWM)P72P16538(SCK)P73P17439(SI)P74P20(INTS/STOP)340(SO)P75P21(XIN)241(HSCK)P76P22(XOUT)142(HSO)P77VDDPower SupplyTerminalResetI/O TerminalTest TerminalVDDVSSRESETTESTHigh Fre

19、q.OscillatorConnectionTerminalXINP22P20I/O PortVAREFALUPSWStack PointerInterrupt Control CircuitProgram CounterProgram Memory(ROM)Data memory(RAM)Unviersal register BlankFlagRBSSystem Control CircuitStandby Control CircuitTiming GeneratorTime BaseTimer16 bitTimer/CounterTC1P28 bitA/D ConverterP6P0P1

20、P7TC28 bitTimer/CounterTC3TC48 bit SerialInterfaceCommandregisterCommanddecoderSIOHSOWatch DogTimerClockGeneratorHigh Freq.UseLow Freq.UseAnalogVrefXOUTP67P66(Analog Input)I/O PortP07P00P17P10P77P70P65 (AIN5)P60 (AIN0)TMP87CC46N-4C08 (IC901) Terminal FunctionFunctionI/OPinNo.Port NameType1P77OCAC PO

21、WER RELAY DRIVE2P76OC3P75(SO)OC4P74(SI)OC5P73(SCK)OC6P72OCMUTE/STAND-BY LED DRIVE7P71(INT4)OCMOTOR VOLUME UP8P70(INT3)ICREMOTE CONTROL SIGNAL INPUT9P07OCTAPE-2 LED, ARELAY DRIVE10P06OCTAPE-1 LED, ARELAY DRIVE11P05OC12P04OCAUX-2 LED, ARELAY DRIVE13P03OCDVD/AUX-1 LED, ARELAY DRIVE14P02OCTUNER LED, ARE

22、LAY DRIVE15P01OCCD LED, ARELAY DRIVE16P00OCPHONE LED, ARELAY DRIVE17TESTto VSS18RESETRESET19XINXtal20XOUTXtal21Vss(VAss)GND22VAREFto VDD23P60ICMODEL SETTING INPUT24P61IC25P62IC26P63ICFUNCTION SELECTOR SW INPUT27P64IC28P65OCMUTING SIGNAL INPUT29P66OC30P67OC31P10(INT0)ICPROTECTOR INPUT32P11(INT1)ICPOW

23、ER OFF33P12(INT2)OCMOTOR VOLUME DOWN34P13OC35P14OC36P15OC37P16OC38P17OC39P20STOPOCSTOP MODE CANCEL40P21OC41P22OC42VDD+5VNOTE:Pin No.: Terminal number of microcomputer.Port Name : The name entered on the data sheet of microcomputer.I/O: Input or output of port.I = Input portO = Output portType: Compo

24、sition of port in case of output port.C = CMOS outputFunction: Function and logical level explanation of signals to be interface.8PMA-2000IVRBA4558 (IC701)NJM2082D (IC201)A OUTPUTA INPUTA+INPUTVB OUTPUTVB INPUTB +INPUT1234578612NPN TypeDTC114ESDTC143ZS10kohm10kohm4.7kohm47kohm2SA933S (S)2SA988 (E/F)

25、2SA1145 (O/Y)2SA1546 (M/L)2SB1328 (P)2SC1740S (S)2SC1841 (E/F)2SC2705 (Y)2SC3421 (O/Y)2SC4001 (M/L)2SD2004 (P)2SA1837 (Y)2SC4793 (Y)DTA114ESDTC114ESDTC143ESDTC143ZSDTC144WSFRONTVIEWBCEFRONTVIEWB C EFRONTVIEWBCEDTC143ESDTC144WS47kohm22kohmR1R2R1R2ECBLB1639 (IC902)12345786VCCN.C.VOUT2VIN1GNDVCONTVOUT1

26、VIN2468 51732VIN1VOUT1VOUT2VCCVCONTGNDVIN2N.C.VREFTOP VIEWPNP TypeDTA114ESR1R210kohm10kohmDTA114ES?OTHERSGP1U27X (Remote Control Sensor)(IC103)GNDVcc VoutHeadAmpLimiterAmpBPFDetector &ComparatorIntegratorHysteresisComparatorTOP VIEWVoutVccGND?TRANSISTORSDTC114ESDTC143ESDTC143ZSDTC144WS4.7kohm4.7kohm

27、9PMA-2000IVR11EQS0631DQ061SS270AHZS2B-1HZS3B-2HZS5C-1HZS9B-1HZS11A-1HZS12A-1HZS30-1MTZJ3.3AMTZJ7.5AMTZJ7.5CMTZJ18ASLR-56VC (Red)TOP VIEW2SJ782SK215FRONTVIEWG S D2SK373 (Y)FRONTVIEWS G D2SK184C (GR/BL)2SK369 (BL/GR)-CFRONTVIEWD G S2SK2967FRONTVIEWG D S?DIODES (LED included)FCH20A15FRONTVIEWA K AFRH20

28、A15FRONTVIEWK A KSF0R3G42AGKPTH9M04BD222TS2F333FRONTVIEWG A KSEL2E10C (Blue)TOP VIEWSIDE VIEWSLR-342MG (Green)?THYRISTOR?THERMISTOR1515118185151515121213110145815161811610131101415COMPONENT SIDE87654321ABCDE101U-3432 POWER AMP P .W.B. UNIT AssyPMA-2000IVRPRINTED WIRING BOARDS111310614581131111018916

29、1315141516151313131101111458151212242COMPONENT SIDE87654321ABCDEPMA-2000IVR111U-3130 INPUT P .W.B. UNIT Assy15151101313COMPONENT SIDE87654321ABCDE121U-3433 FLAT AMP P .W.B. UNIT AssyPMA-2000IVR13PMA-2000IVRttttl lResistorsEx.:RN14K2E182GFRType ShapePower Resist- Allowable Othersand per-anceerrorform

30、ancettttssss Resistance1 821800 ohm = 1.8 kohmIndicates number of zeros after effective number.2-digit effective number. Units: ohm1 R21.2 ohm1-digit effective number.2-digit effective number, decimal point indicated by R. Units: ohml l l lCapacitorsEx.:CE04W1H2R2MBPTypeShapeDielectric Capacity Allo

31、wable Othersand per- strengtherrorformancessssss Capacity (electrolyte only)2 222200FIndicates number of zeros after effective number.2-digit effective number. Units: F.2 R22.2F1-digit effective number.2-digit effective number, decimal point indicated by R. Units: F. Capacity (except electrolyte)2 2

32、22200pF=0.0022F(More than 2)Indicates number of zeros after effective number.2-digit effective number. Units: pF.2 21220pF(0 or 1)Indicates number of zeros after effective number.2-digit effective number. Units: pF. When the dielectric strength is indicated in AC, AC is included after the dieelectri

33、cstrength value.ssNOTE FOR PARTS LISTlPart indicated with the mark ? are not always in stock and possibly to take a long period of time for supplying, or insome case supplying of part may be refused.lWhen ordering of part, clearly indicate 1 and I (i) to avoid mis-supplying.lOrdering part without st

34、ating its part number can not be supplied.lPart indicated with the mark is not illustrated in the exploded view.lNot including Carbon Film 5%, 1/4W Type in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.)WARNING:Parts marked with this symbol have critical characteristics.U

35、se ONLY replacement parts recommended by the manufacturer.RD : Carbon2B : 1/8WF:1%P:Pulse-resistant typeRC : Composition2E : 1/4WG:2%NL :Low noise typeRS : Metal oxide film2H : 1/2WJ:5%NB :Non-burning typeRW : Winding3A : 1WK:10%FR :Fuse-resistorRN : Metal film3D : 2WM:20%F:Lead wire formingRK : Met

36、al mixture3F : 3W3H : 5WCE :Aluminum foil0J : 6.3VF : 1%HS: High stability typeelectrolyticCA :Aluminum solid1A : 10VG : 2%BP : Non-polar typeelectrolyticCS :Tantalum electrolytic1C : 16VJ : 5%HR: Ripple-resistant typeCQ :Film1E : 25VK : 10%DL : For change and dischargeCK :Ceramic1V : 35VM : 20%HF :

37、 For assuring highrequencyCC :Ceramic1H : 50VZ : +80%U: UL partCP :Oil2A : 100V20%C: CSA partCM :Mica2B : 125VP : +100%W : UL-CSA typeCF :Metallized2C : 160V0%F: Lead wire formingCH :Metallized2D : 200VC : 0.25pF2E : 250VD : 0.5pF2H : 500V= : Others2J : 630V14PMA-2000IVRPARTS LIST OF P.W.B. UNIT ASS

38、Y1U-3432 POWER AMP UNIT ASSYRef. No.Part No.Part NameRemarksRef. No.Part No.Part NameRemarksSEMICONDUCTORS GROUPIC103499 0290 007 IC GP1U271XIC201263 0743 007 IC NJM2082DDTR453274 0151 903 Transistor 2SD2004(P)T105TR501-504275 0055 015Transistor 2SK184C (GR)/(BL)TR505-508273 0235 923 Transistor 2SC1

39、841-T(E/F)TR509-512271 0304 007 Transistor 2SA1546(M/L)TR513,514273 0453 006 Transistor 2SC4001(M/L)TR515,516273 0323 000 Transistor 2SC3421 O/YTR517,518273 0442 004 Transistor 2SC4793 (Y)TR519,520271 0282 006 Transistor 2SA1837 (Y)TR525,526273 0235 923 Transistor 2SC1841-T(E/F)TR527,528271 0131 924

40、 Transistor 2SA988-T(E/F)D101276 0432 903 Diode 1SS270A TED453276 0432 903 Diode 1SS270A TED501,502276 0432 903 Diode 1SS270A TED505-508276 0432 903 Diode 1SS270A TED513-516276 0432 903 Diode 1SS270A TEZD471276 0470 907 Zener diode HZS11A-1TDZD509,510276 0468 906 Zener diode HZS9B-1TDZD511,512276 04

41、50 901 Zener diode HZS2B-1TDLD108393 9584 908 LED SEL2E10CPT501,502279 0034 041Thermistor PTH9M04BD222TS2F333RESISTORS GROUPR201,202241 2422 944 Carbon film 1 kohm 1/4WRD14B2E102JT(PSNB)R209,210241 2427 965 Carbon film 150 kohm 1/4WRD14B2E154JT(PSNB)R233,234241 2423 972 Carbon film 3.6 kohm 1/4WRD14

42、B2E362JT(PSNB)R251,252241 2313 985Fusible resistor 4.7 ohm 1/4WRD14B2E4R7JFRSTR463241 2422 944 Carbon film 1 kohm 1/4WRD14B2E102JT(PSNB)R471,472241 2420 904 Carbon film 100 ohm 1/4WRD14B2E101JT(PSNB)R473,474241 2429 963 Carbon film 1 Mohm 1/4WRD14B2E105JT(PSNB)R475-478241 2427 923 Carbon film 100 ko

43、hm 1/4WRD14B2E104JT(PSNB)R501,502241 2445 743 Carbon film 3.3 kohm 1/2WRD05A2H332JF(RMG)R503-506241 2424 900 Carbon film 4.7 kohm 1/4WRD14B2E472JT(PSNB)R507,508241 2420 988 Carbon film 220 ohm 1/4WRD14B2E221JT(PSNB)R509,510241 2450 796 Carbon film 1 Mohm 1/2WRD05A2H105JF(RMG)R511,512241 2422 973 Car

44、bon film 1.3 kohm 1/4WRD14B2E132JT(PSNB)R513,514241 2447 741 Carbon film 33 kohm 1/2WRD05A2H333JF(RMG)R515,516241 2444 760 Carbon film 1.2 kohm 1/2WRD05A2H122JF(RMG)R517,518241 2446 001 Carbon film 8.2 kohm 1/2WRD05A2H822J(RMG)R519-522241 2315 983Fusible resistor 330 ohm 1/4WRD14B2E331GFRSTR523-5262

45、41 2377 947Carbon film 100 ohm 1/4W(NB)RD14B2E101JNBSTR529,530241 2377 921Carbon film 82 ohm 1/4W(NB)RD14B2E820JNBSTR531,532244 2068 048 Metal oxide 15 kohm 1W(NB)RS14B3A153JNBS RSFSVR533,534241 2424 926 Carbon film 5.6 kohm 1/4WRD14B2E562JT(PSNB)R535,536241 2422 944 Carbon film 1 kohm 1/4WRD14B2E10

46、2JT(PSNB)R537-540241 2371 930Fusible resistor 160 ohm 1/4WRD14B2E161GFRSTR541,542241 2429 963 Carbon film 1 Mohm 1/4WRD14B2E105JT(PSNB)R543,544241 2423 969 Carbon film 3.3 kohm 1/4WRD14B2E332JT(PSNB)R545,546244 2068 035 Metal oxide 390 ohm 1W(NB)RS14B3A391JNBS RSFSVR547,548244 2068 019 Metal oxide 2

47、00 ohm 1W(NB)RS14B3A201JNBS RSFSVR549,550244 2068 035 Metal oxide 390 ohm 1W(NB)RS14B3A391JNBS RSFSVR553-556244 2068 006 Metal oxide 100 ohm 1W(NB)RS14B3A101JNBS RSFSVR557,558244 2067 010 Metal oxide 0.1 ohm 2W(NB)RS14B3D0R1JNBF RSFKLR559,560241 2380 963Carbon film 2.2 kohm 1/4W(NB)RD14B2E222JNBSTR5

48、65,566244 2058 074 Metal oxide 22 ohm 1W(NB)RS14B3A220JNBS RSFSVR567,568241 2425 925 Carbon film 15 kohm 1/4WRD14B2E153JT(PSNB)R571,572241 2447 796 Carbon film 51 kohm 1/2WRD05A2H513JF(RMG)R573,574241 2424 984 Carbon film 10 kohm 1/4WRD14B2E103JT(PSNB)R575,576241 2426 908 Carbon film 33 kohm 1/4WRD1

49、4B2E333JT(PSNB)R585,586244 2067 007 Metal oxide 10 ohm 2W(NB)RS14B3D100JNBF RSFKLR997-999241 2422 944 Carbon film 1 kohm 1/4WRD14B2E102JT(PSNB)VR201211 0798 103 Variable resistor 100kohmV14V20FW104KVR202211 0834 012 Variable resistor 10kohmV14V20FA103KVR203211 0834 009 Variable resistor 30kohmV14V20

50、FA303KVR351211 0873 002 Variable resistor 30kohmV1820V30FB303VR501,502211 8005 021 Semi fixed resistor 4.7kohmV06QB472CAPACITORS GROUPC101,102253 8026 703 Ceramic 4700pF/250V(AC)CK45E2EAC472MCC103254 4558 702 Electrolytic 100uF/50VCE04W1H101MC(RFS)C121254 4313 963 Electrolytic 1uF/50VCE04W1H010MT(AS