Denon-PMA2000R-int-sm维修电路图 手册.pdf

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1、RadioFans.CN Hi-Fi Integrated Stereo Amplifier SERVICE MANUAL MODEL PMA-2000IVR INTEGRATED 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 JAPAN Telephone: 03 (3837) 5321 RadioFans.CN X01

2、41 337 NC 0204 2 PMA-2000IVR SPECIFICATIONS ? ? ? ? ? POWER AMPLIFIER SECTION Rated Output Power: Both channel driven (8 /ohms Load)80 W + 80 W 20 Hz to 20kHz, T.H.D. 0.07 % (4 /ohms Load)160 W + 160 W DIN, 1 kHz, T.H.D. 0.7 % Total Harmonic Distortion:0.01 % (3 dB at rated output, 8 /ohms) (1kHz) I

3、nput Sensitivity/Input Impedance: P . DIRECT:0.9 V/47 k/kohms Amplification factor:29 dB ? ? ? ? ? PRE AMPLIFIER SECTION PHONO EQUALIZER Rated Output:150 mV (Rec out Terminal) Input Sensitivity/Input Impedance: The value in parentheses ( ) refers to the input impedance when SOURCE DIRECT is ON. PHON

4、O:MM: 2.5 mV/47 k/ohms MC: 200 V/100 /ohms CD, TUNER, DVD/AUX-1, AUX-2,135 mV/47 k/ohms TAPE-1/CD-R, TAPE-2/MD:(135 mV/12 k/ohms) RIAA Deviation: PHONO:20 HZ 20 kHz 0.5 dB Maximum Input:PHONO MM: 130 mV/1 kHz MC: 10mV/1 kHz Rated Output:PRE PUT: 0.9 V (Input CD 135 mV) ? ? ? ? ? OVERALL CHARACTERIST

5、ICS SN Ratio (IHF A Network):PHONO (input terminals short-circuited)MM: 89 dB (at 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 dB Tone Control Adjustable Range: BASS:100 Hz 8 dB TREBLE:10 kHz 8 dB ?

6、 ? ? ? ? OTHERS Power Supply:AC 230 V, 50 Hz (Asia) AC220 V, 50 Hz (China) AC Outlets: Switched 2:100 W (Total) Except for China model Unswitched 1:100 W Power 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 C

7、ONTROL UNIT (RC-858) Remote control system:Infrared pulse system Power supply:3 V DC, Two size R03 (AAA) dry cell batteries External 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

8、) = width, (H) = height, (D) = depth * For improvement purposes, specifications and functions are subject to change without advanced notice. SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before re

9、turning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective. RadioFans

10、.CN 3 PMA-2000IVR DISASSEMBLY (Do reverse manner when assembling.) Top Cover Remove 14 screws 1, 4 screws 2 and detach the Top Cover in the arrow direction. Top Cover Front Panel 1. Remove 8 screws 3. 2. Pull out the knob 4 and remove the nut, then detach the panel in the arrow direction. Nut Front

11、Panel 1 1 1 2 2 1 3 3 3 4 RadioFans.CN 4 PMA-2000IVR Rear Panel 1. Remove 5 screws 6, 6 screws 7 and 2 screws 8. 2. Detach the Rear Panel in the arrow direction. Heat Sink Assy Heat Sink Assy Remove 2 screws 9 and detach the Heat Sink Assy in the arrrow direction. Rear Panel Bottom Plate Remove 24 s

12、crews 5 and detach it in the arrow direction. Bottom Plate 9 6 7 7 8 5 RadioFans.CN 5 PMA-2000IVR IDLING CURRENT ? ? ? ? ? Setup 1.Lay the unit at an ordinary position away from a direct current from an air condition or fan. Do the adjustment at a temperature between 15C (59F) and 30C (86F). 2.Set c

13、ontrol 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 speakers, dummy load etc. ? Adjustment 1.Remove top cover. And then connect DC Voltmeter to test poin

14、ts of 1U-3432-1 (Lch) and 1U-3432-2 (Rch) Power Amp Printing Wiring Board. 2.Connect power cord to AC wall outlet, and turn POWER switch ON (). Within 10 seconds turn VR501 (Lch) and VR502 (Rch) clockwise so that the DC Voltmeter reads 12 0.5mV. 3.Then after 2 minutes warmup adjust VR501 and VR502 s

15、o 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 ADJUSTMENTS DC Voltmeter Main Volume 1U-3432-2 Power Amp P.W.B. (R) VR502 1U-3432-1 Power Amp P.W.B. (L) VR501 Power Trans Power Trans RadioFans.CN 6 PMA-20

16、00IVR 43215678 D C B A E INPUT REC OUT PRE OUT MAIN IN P . AMP DIRECT 0.9V(-1dB) CD etc.135mV(-17.4dB) PHONO MM 2.2mV(-53dB) PHONO MC 0.18mV(-75dB) PHONO CD TUNER DVD /AUX-1 AUX-2 TAPE-1 /CD-R TAPE-1 /CD-R TAPE-2 /MD TAPE-2 /MD RIAA MC MM 47k 100 + - BASS BUFFER BALANCE TREBLE SOURCE OFF ON DIRECT M

17、AIN VOLUME POWER AMP DIRECT FLAT AMP TONE POWER AMP PROTECTOR SPEAKER A (MAIN) SPEAKER B (BI WIRING) HEAD PHONE POWER AMP POWER AMP POWER GND VOLTAGE REGULATOR REC OUT SELECTOR OFFON EQUALIZER TONE AMP POWER AMP FLAT AMP PROTECTOR & RELAY +16V -16V GND +16V -16V GND +16V -16V GND GND +30V +12V -30V

18、GND + + + AC PLUG 80W/8ohm 25.3V(28dB) 40dB -40dB -50dB -60dB -70dB -80dB 20dB -20dB 10dB -10dB 0dB 30dB -30dB (dBV) BLOCK/LEVEL DIAGRAM PMA2000_BlockLevel.p6502/03/12, 18:49Page 6Adobe PageMaker 6.5J/Win RadioFans.CN SEMICONDUCTORS ? ? ? ? ? ICs TMP87CC46N-4C08 (IC901) 7 PMA-2000IVR 2122(VASS)VSSVA

19、REF 2023XOUTP60(AIN0) 1924XINP61(AIN1) 1825RESETP62(AIN2) 1726TESTP63(AIN3) 1627P00P64(AIN4) 1528P01P65(AIN5) 1429P02P66(AIN6) 1330P03P67(AIN7) 1231P04P10(INT0) 1132P05P11(INT1) 1033P06P12(INT2/TC1) 934P07P13(DVO) 835(INT3/TC3)P70P14(PPG) 736(INT4)P71P15(TC2) 637(PDO/PWM)P72P16 538(SCK)P73P17 439(SI

20、)P74P20(INTS/STOP) 340(SO)P75P21(XIN) 241(HSCK)P76P22(XOUT) 142(HSO)P77VDD Power Supply Terminal Reset I/O Terminal Test Terminal VDD VSS RESET TEST High Freq. Oscillator Connection Terminal XIN P22 P20 I/O Port VAREF ALU PSWStack Pointer Interrupt Control Circuit Program Counter Program Memory (ROM

21、) Data memory (RAM) Unviersal register Blank FlagRBS System Control Circuit Standby Control Circuit Timing Generator Time Base Timer 16 bit Timer/Counter TC1 P28 bit A/D Converter P6P0P1P7 TC2 8 bit Timer/Counter TC3TC4 8 bit Serial Interface Command register Command decoder SIOHSO Watch Dog Timer C

22、lock Generator High Freq. Use Low Freq. Use Analog Vref XOUT P67 P66 (Analog Input) I/O Port P07 P00 P17 P10 P77 P70 P65 (AIN5) P60 (AIN0) TMP87CC46N-4C08 (IC901) Terminal Function FunctionI/O Pin No. Port NameType 1P77OCAC POWER RELAY DRIVE 2P76OC 3P75(SO)OC 4P74(SI)OC 5P73(SCK)OC 6P72OCMUTE/STAND-

23、BY LED DRIVE 7P71(INT4)OCMOTOR VOLUME UP 8P70(INT3)ICREMOTE CONTROL SIGNAL INPUT 9P07OCTAPE-2 LED, ARELAY DRIVE 10P06OCTAPE-1 LED, ARELAY DRIVE 11P05OC 12P04OCAUX-2 LED, ARELAY DRIVE 13P03OCDVD/AUX-1 LED, ARELAY DRIVE 14P02OCTUNER LED, ARELAY DRIVE 15P01OCCD LED, ARELAY DRIVE 16P00OCPHONE LED, ARELA

24、Y DRIVE 17TESTto VSS 18RESETRESET 19XINXtal 20XOUTXtal 21Vss(VAss)GND 22VAREFto VDD 23P60ICMODEL SETTING INPUT 24P61IC 25P62IC 26P63ICFUNCTION SELECTOR SW INPUT 27P64IC 28P65OCMUTING SIGNAL INPUT 29P66OC 30P67OC 31P10(INT0)ICPROTECTOR INPUT 32P11(INT1)ICPOWER OFF 33P12(INT2)OCMOTOR VOLUME DOWN 34P13

25、OC 35P14OC 36P15OC 37P16OC 38P17OC 39P20STOPOCSTOP MODE CANCEL 40P21OC 41P22OC 42VDD+5V NOTE: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 port O = Output port Type: Composition of port in case of o

26、utput port. C = CMOS output Function: Function and logical level explanation of signals to be interface. RadioFans.CN 8 PMA-2000IVR BA4558 (IC701) NJM2082D (IC201) A OUTPUT A INPUT A+INPUT V B OUTPUT V B INPUT B +INPUT 1 2 3 45 7 8 6 1 2 NPN Type DTC114ES DTC143ZS 10kohm10kohm 4.7kohm47kohm 2SA933S

27、(S) 2SA988 (E/F) 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) DTA114ES DTC114ES DTC143ES DTC143ZS DTC144WS FRONT VIEW BCE FRONT VIEW B C E FRONT VIEW BCE DTC143ES DTC144WS47kohm22kohm R1R2 R1 R2 E C B L

28、B1639 (IC902) 1 2 3 45 7 8 6 VCC N.C. VOUT2 VIN1 GND VCONT VOUT1 VIN2 4 6 8 5 1 7 3 2 VIN1 VOUT1VOUT2 VCC VCONT GND VIN2 N.C. VREF TOP VIEW PNP Type DTA114ES R1R2 10kohm10kohm DTA114ES ? OTHERS GP1U27X (Remote Control Sensor) (IC103) GNDVcc Vout Head Amp Limiter Amp BPF Detector & Comparator Integra

29、tor Hysteresis Comparator TOP VIEW Vout Vcc GND ? TRANSISTORS DTC114ES DTC143ES DTC143ZS DTC144WS 4.7kohm4.7kohm RadioFans.CN 9 PMA-2000IVR 11EQS06 31DQ06 1SS270A HZS2B-1 HZS3B-2 HZS5C-1 HZS9B-1 HZS11A-1 HZS12A-1 HZS30-1 MTZJ3.3A MTZJ7.5A MTZJ7.5C MTZJ18A SLR-56VC (Red) TOP VIEW 2SJ78 2SK215 FRONT V

30、IEW G S D 2SK373 (Y) FRONT VIEW S G D 2SK184C (GR/BL) 2SK369 (BL/GR)-C FRONT VIEW D G S 2SK2967 FRONT VIEW G D S ? DIODES (LED included) FCH20A15 FRONT VIEW A K A FRH20A15 FRONT VIEW K A K SF0R3G42 A G K PTH9M04BD222TS2F333 FRONT VIEW G A K SEL2E10C (Blue) TOP VIEW SIDE VIEW SLR-342MG (Green) ? THYR

31、ISTOR ? THERMISTOR RadioFans.CN 15 15 1 18 18 5 15 15 15 12 12 13 110 1 45 8 15 16 18 1 16 10 13 110 14 15 COMPONENT SIDE 87654321 A B C D E 10 1U-3432 POWER AMP P .W.B. UNIT Assy PMA-2000IVR PRINTED WIRING BOARDS RadioFans.CN 1 1 13 10 6 14 58 113 111 10 1 8 9 16 13 1 5 14 15 16 15 13 13 13 110111

32、14 58 15 1 21 22 42 COMPONENT SIDE 87654321 A B C D E PMA-2000IVR 11 1U-3130 INPUT P .W.B. UNIT Assy RadioFans.CN 15 15 110 13 13 COMPONENT SIDE 87654321 A B C D E 12 1U-3433 FLAT AMP P .W.B. UNIT Assy PMA-2000IVR RadioFans.CN 13 PMA-2000IVR t tt t l l l l lResistors Ex.:RN14K2E182GFR Type ShapePowe

33、r Resist- Allowable Others and per-anceerror formance t t tt ss ss Resistance 1 821800 ohm = 1.8 kohm Indicates number of zeros after effective number. 2-digit effective number. Units: ohm 1 R21.2 ohm 1-digit effective number. 2-digit effective number, decimal point indicated by R. Units: ohm l l l

34、l lCapacitors Ex.:CE04W1H2R2MBP TypeShapeDielectric Capacity Allowable Others and per- strengtherror formance ss ss ss Capacity (electrolyte only) 2 222200F Indicates number of zeros after effective number. 2-digit effective number. Units: F. 2 R22.2F 1-digit effective number. 2-digit effective numb

35、er, decimal point indicated by R. Units: F. Capacity (except electrolyte) 2 222200pF=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. Wh

36、en the dielectric strength is indicated in AC, AC is included after the dieelectric strength value. ss NOTE FOR PARTS LIST lPart indicated with the mark ? are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. lWhen orderin

37、g of part, clearly indicate 1 and I (i) to avoid mis-supplying. lOrdering part without stating 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 Dia

38、gram for those parts.) WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. RD : Carbon2B : 1/8WF:1%P:Pulse-resistant type RC : Composition2E : 1/4WG:2%NL :Low noise type RS : Metal oxide film2H : 1/2WJ:5%NB :Non-burning ty

39、pe RW : Winding3A : 1WK:10%FR :Fuse-resistor RN : Metal film3D : 2WM:20%F:Lead wire forming RK : Metal mixture3F : 3W 3H : 5W CE :Aluminum foil0J : 6.3VF : 1%HS: High stability type electrolytic CA :Aluminum solid1A : 10VG : 2%BP : Non-polar type electrolytic CS :Tantalum electrolytic1C : 16VJ : 5%H

40、R: Ripple-resistant type CQ :Film1E : 25VK : 10%DL : For change and discharge CK :Ceramic1V : 35VM : 20%HF : For assuring high requency CC :Ceramic1H : 50VZ : +80%U: UL part CP :Oil2A : 100V20%C: CSA part CM :Mica2B : 125VP : +100%W : UL-CSA type CF :Metallized2C : 160V0%F: Lead wire forming CH :Met

41、allized2D : 200VC : 0.25pF 2E : 250VD : 0.5pF 2H : 500V= : Others 2J : 630V RadioFans.CN 14 PMA-2000IVR PARTS LIST OF P.W.B. UNIT ASSY 1U-3432 POWER AMP UNIT ASSY Ref. No.Part No.Part NameRemarksRef. No.Part No.Part NameRemarks SEMICONDUCTORS GROUP IC103499 0290 007 IC GP1U271X IC201263 0743 007 IC

42、NJM2082DD TR453274 0151 903 Transistor 2SD2004(P)T105 TR501-504275 0055 015Transistor 2SK184C (GR)/(BL) TR505-508273 0235 923 Transistor 2SC1841-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/Y TR517,51827

43、3 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 Transistor 2SA988-T(E/F) D101276 0432 903 Diode 1SS270A TE D453276 0432 903 Diode 1SS270A TE D501,502276 0432 903 Diode 1SS270A TE D505-508276 0432 903

44、 Diode 1SS270A TE D513-516276 0432 903 Diode 1SS270A TE ZD471276 0470 907 Zener diode HZS11A-1TD ZD509,510276 0468 906 Zener diode HZS9B-1TD ZD511,512276 0450 901 Zener diode HZS2B-1TD LD108393 9584 908 LED SEL2E10C PT501,502279 0034 041Thermistor PTH9M04BD222TS2F333 RESISTORS GROUP R201,202241 2422

45、 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 1/4WRD14B2E362JT(PSNB) R251,252241 2313 985Fusible resistor 4.7 ohm 1/4WRD14B2E4R7JFRST R463241 2422 944 Carbon film 1 kohm 1/4WRD14B2E102JT(PSNB)

46、 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 kohm 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

47、/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 Carbon film 1.3 kohm 1/4WRD14B2E132JT(PSNB) R513,514241 2447 741 Carbon film 33 kohm 1/2WRD05A2H333JF(RMG) R515,516241 2444 760 Car

48、bon 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 1/4WRD14B2E331GFRST R523-526241 2377 947Carbon film 100 ohm 1/4W(NB)RD14B2E101JNBST R529,530241 2377 921Carbon film 82 ohm 1/4W(NB)RD14B2E820JNBST R531,

49、532244 2068 048 Metal oxide 15 kohm 1W(NB)RS14B3A153JNBS RSFSV R533,534241 2424 926 Carbon film 5.6 kohm 1/4WRD14B2E562JT(PSNB) R535,536241 2422 944 Carbon film 1 kohm 1/4WRD14B2E102JT(PSNB) R537-540241 2371 930Fusible resistor 160 ohm 1/4WRD14B2E161GFRST R541,542241 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 RSFSV R547,548244 2068 019 Metal oxide 200 ohm 1W(NB)RS14B3A201JNBS RSFSV R549,550244 2068 035 Metal