Denon PMA-2000 IV Service Manual

Denon PMA-2000 IV - Amplifier Manual

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Denon PMA-2000 IV manual content summary:

  • Denon PMA-2000 IV | Service Manual - Page 1
    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 X0141 337 NC 0204
  • Denon PMA-2000 IV | Service Manual - Page 2
    PMA-2000IVR SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service  POWER AMPLIFIER SECTION Rated Output Power: Both channel driven (8 52 lbs 14.6 oz)  REMOTE CONTROL UNIT (RC-858) Remote control system: Power supply: External
  • Denon PMA-2000 IV | Service Manual - Page 3
    DISASSEMBLY (Do reverse manner when assembling.) Top Cover Remove 14 screws 1 , 4 screws 2 and detach the Top Cover in the arrow direction. 1 1 PMA-2000IVR 1 2 Top Cover 2 1 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.
  • Denon PMA-2000 IV | Service Manual - Page 4
    Bottom Plate Remove 24 screws 5 and detach it in the arrow direction. PMA-2000IVR 5 Bottom Plate Rear Panel 1. Remove 5 screws 6 , 6 screws 7 and 2 screws 8 . 2. Detach the Rear Panel in the arrow direction. Rear Panel Heat Sink Ass'y Remove 2 screws 9 and
  • Denon PMA-2000 IV | Service Manual - Page 5
    METHOD OF ADJUSTMENTS PMA-2000IVR VR501 1U-3432-1 Power Amp P.W.B. (L) Power Trans Power Trans Main Volume DC Voltmeter VR502 1U-3432-2 Power Amp P.W.B. (R) 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
  • Denon PMA-2000 IV | Service Manual - Page 6
    AMP AMP SPEAKER A (MAIN) SPEAKER B (BI WIRING) HEAD PHONE PROTECTOR +16V EQUALIZER GND -16V +16V TONE AMP GND -16V +16V POWER AMP GND -16V POWER AMP VOLTAGE POWER GND REGULATOR + + +30V POWER AMP FLAT AMP GND -30V +12V PROTECTOR + & RELAY GND 80W/8ohm 25.3V(28dB) PMA-2000IVR
  • Denon PMA-2000 IV | Service Manual - Page 7
    C 6 P72 O C MUTE/STAND-BY LED DRIVE 7 P71 (INT4) O C MOTOR VOLUME UP 8 P70 (INT3) I C REMOTE CONTROL SIGNAL INPUT 9 P07 O C TAPE-2 LED, ARELAY DRIVE 10 P06 O C TAPE-1 LED, ARELAY DRIVE 11 P05 O C 12 and logical level explanation of signals to be interface. PMA-2000IVR 7
  • Denon PMA-2000 IV | Service Manual - Page 8
    1 A -INPUT 2 A+INPUT 3 V4 1 2 8V 7 B OUTPUT 6 B -INPUT 5 B +INPUT VIN1 1  OTHERS GP1U27X (Remote Control Sensor) (IC103) TOP VIEW 4 VIN2 6 N.C. Head Amp Limiter Amp BPF Detector & Comparator Integrator Hysteresis Comparator Vout Vcc GND GND Vcc Vout  TRANSISTORS 2SA933S (S) 2SA988
  • Denon PMA-2000 IV | Service Manual - Page 9
    -1 MTZJ3.3A MTZJ7.5A MTZJ7.5C MTZJ18A FCH20A15 FRONT VIEW A KA FRH20A15 FRONT VIEW K AK 2SK184C (GR/BL) 2SK369 (BL/GR)-C FRONT VIEW D GS PMA-2000IVR 2SK2967 FRONT VIEW GDS SLR-56VC (Red) TOP VIEW SEL2E10C (Blue) TOP VIEW SIDE VIEW SLR-342MG (Green)  THYRISTOR SF0R3G42 FRONT VIEW GAK A GK
  • Denon PMA-2000 IV | Service Manual - Page 10
    PMA-2000IVR PRINTED WIRING BOARDS 1 2 3 4 5 6 7 8 1U-3432 POWER AMP P.W.B. UNIT Ass'y 8 5 1 1 A 5 1 1 5 1 1 5 1 5 4 1 31 10 1 6 1 10 1 6 1 8 1 8 1 5 13 B 2 1 1 5 5 1 1 2 1 8 C 4 5 10 1 D E COMPONENT SIDE 10
  • Denon PMA-2000 IV | Service Manual - Page 11
    1 2 3 1U-3130 INPUT P.W.B. UNIT Ass'y 1 6 1 10 8 5 1 4 13 1 13 8 5 1 4 11 1 10 13 21 1 22 42 5 1 4 5 6 3 1 6 1 5 1 1 4 1 5 31 1 5 1 11 1 31 10 7 16 9 1 8 PMA-2000IVR 8 A B C D E COMPONENT SIDE 11
  • Denon PMA-2000 IV | Service Manual - Page 12
    PMA-2000IVR 1 2 3 4 5 6 7 8 1U-3433 FLAT AMP P.W.B. UNIT Ass'y A 5 1 5 1 1 B 3 1 10 C 1 3 D COMPONENT SIDE E 12
  • Denon PMA-2000 IV | Service Manual - Page 13
    PMA-2000IVR NOTE FOR PARTS LIST l Part indicated with the mark "" are not always in stock and possibly to take a long period of time for supplying, or
  • Denon PMA-2000 IV | Service Manual - Page 14
    PMA-2000IVR PARTS LIST OF P.W.B. UNIT ASS'Y 1U-3432 POWER AMP UNIT ASS'Y Ref. No. Part No. Part Name SEMICONDUCTORS GROUP Remarks IC103 499 0290 007 IC GP1U271X IC201 263 0743 007 IC NJM2082DD TR453 274
  • Denon PMA-2000 IV | Service Manual - Page 15
    PMA-2000IVR Ref. No. C463 C471,472 C473-476 C481 C482 Part No. Part Name 254 4313 921 Electrolytic 22uF/50V 255 4251 976 Polypropylene film 100pF/
  • Denon PMA-2000 IV | Service Manual - Page 16
    PMA-2000IVR 1U-3130H INPUT UNIT ASS'Y Ref. No. Part No. Part Name SEMICONDUCTORS GROUP IC701 263 0322 004 IC BA4558 IC901 IC902 IC903 262 2581 002
  • Denon PMA-2000 IV | Service Manual - Page 17
    PMA-2000IVR Ref. No. C603 C604 C607 C608,609 C610 C611 C612 C613 C615 C616 C619 0127 003 Relay (RY-12W) RL601 214 0127 003 Relay (RY-12W) S301 212 4331 006 Slide switch (4-6) remote S701 212 4728 004 1P Push switch S901 212 0407 002 Rotaly switch (SRRM-12) C903 254 4368 934 Electrolytic
  • Denon PMA-2000 IV | Service Manual - Page 18
    PMA-2000IVR 1U-3433 FLAT AMP UNIT ASS'Y Ref. No. Part No. Part Name SEMICONDUCTORS GROUP TR401-404 275 0042 905 Transistor 2SK373(Y)TPE2 TR405 273 0442 004 Transistor 2SC4793 (Y) TR406
  • Denon PMA-2000 IV | Service Manual - Page 19
    PMA-2000IVR EXPLODED VIEW 1 104 2 104 66 67 66 23 104 101 22 92 101 1-4 83 101 93 3 107 106 8 1-6 107 106 13 12 6 11 9 119 1-3 79
  • Denon PMA-2000 IV | Service Manual - Page 20
    TR521-524 4 3 1U-3433 Flat amp P.W.B. unit Ass'y 1 47 415 (F) 1 17 212 4331 006 Slide switch (4-6) remote S301 1 112 9125 137 Knob ass'y (F) JK301-304 4 64 412 4389 014 Support bracket (R) 1 21 204 8531 005 2P 9093 003 Teflon washer (VR) 1 PMA-2000IVR Ref. No. Part No. Part Name
  • Denon PMA-2000 IV | Service Manual - Page 21
    210 201 PMA-2000IVR 202 212 1 207 511 3893 002 Instruction manual 1 202 504 9102 029 Stilen paper 1 511 3917 001 Instruction manual KEU 1 203 505 8006 009 AC cord KEU 1 212  Control card 1 205 399 0523 005 Remote control unit (RC-858) 1 213 513 3540 018 Carton label G1C 1
  • Denon PMA-2000 IV | Service Manual - Page 22
    PMA-2000IVR WIRING DIAGRAM 1 2 3 4 5 6 7 8 CY103 10P-EH 1 2 3 4 5 6 7 8 9 10 CY031 123 -3 H/P-L 1 CX054 GND 2 5P-EH H/P-R 3 SP-MUTE 4 GND 5 4 NC GND 4 5 6 7 OUT-L GND OUT-R FLAT AMP UNIT 1U-3433 GND +15V -15V 5 1 2 CW056 8 IN-L R3 9 GND GND 4 A WHTx2 + +15V -15V L-TAP L-
  • Denon PMA-2000 IV | Service Manual - Page 23
    PMA-2000IVR SCHEMATIC DIAGRAMS (1/3) 1 2 3 4 5 6 7 8 9 10 11 A 9.5V 9.4V 8.8V B 11.5V C D 12.7V 11.5V E F 12.7V + B is defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. H SCHEMATIC DIAGRAMS (1/3) 1U-3130 INPUT UNIT 23
  • Denon PMA-2000 IV | Service Manual - Page 24
    PMA-2000IVR SCHEMATIC DIAGRAMS (1/3) 1 2 3 4 5 6 7 8 9 10 11 A A 9.5V 9.4V B8.8V B 11.5V C D C 12.7V 11.5V E 12.7V D F defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. H SCHEMATIC DIAGRAMS (1/3) 1U-3130 INPUT UNIT 23
  • Denon PMA-2000 IV | Service Manual - Page 25
    SCHEMATIC DIAGRAMS (1/3) 1 2 3 4 5 9.5V
  • Denon PMA-2000 IV | Service Manual - Page 26
    PMA-2000IVR 6 7 8 9 10 11 A 9.5V 9.4V 8.8V B 11.5V C D
  • Denon PMA-2000 IV | Service Manual - Page 27
    12.7V 11.5V
  • Denon PMA-2000 IV | Service Manual - Page 28
    either side of the power card is less than 460kohms, the unit is defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. H SCHEMATIC DIAGRAMS (1/3) 1U-3130 INPUT UNIT 23
  • Denon PMA-2000 IV | Service Manual - Page 29
    PMA-2000IVR SCHEMATIC DIAGRAMS (2/3) 1 2 3 4 5 6 7 8 9 10 11 A B C 11V D E 11V + B LINE F - B LINE SIGNAL LINE NOTICE ALL RESISTANCE defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. H SCHEMATIC DIAGRAMS (2/3) 1U-3432 POWER
  • Denon PMA-2000 IV | Service Manual - Page 30
    PMA-2000IVR SCHEMATIC DIAGRAMS (2/3) 1 2 3 4 5 6 7 8 9 10 11 A A B B C 11V D C E 11V D +BLINE - B LINE SIGNAL LINE NOTICE ALL RESISTANCE . WARNING: DO NOT return the unit to the customer until the problem is located and corrected. H SCHEMATIC DIAGRAMS (2/3) 1U-3432 POWER
  • Denon PMA-2000 IV | Service Manual - Page 31
    SCHEMATIC DIAGRAMS (2/3) 1 2 3 4 5
  • Denon PMA-2000 IV | Service Manual - Page 32
    PMA-2000IVR 6 7 8 9 10 11 A B C 11V D
  • Denon PMA-2000 IV | Service Manual - Page 33
  • Denon PMA-2000 IV | Service Manual - Page 34
    either side of the power card is less than 460kohms, the unit is defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. H SCHEMATIC DIAGRAMS (2/3) 1U-3432 POWER
  • Denon PMA-2000 IV | Service Manual - Page 35
    PMA-2000IVR SCHEMATIC DIAGRAMS (3/3) 1 2 3 4 5 6 7 8 A B C NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. D + B LINE - B LINE Lch SIGNAL LINE Rch SIGNAL LINE E SCHEMATIC DIAGRAMS
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Hi-Fi Integrated Stereo Amplifier
SERVICE MANUAL
MODEL
PMA-2000
IV
R
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