Denon PMA-2000IVR Service Manual
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Denon PMA-2000IVR Service Manual

Hi-fi integrated stereo amplifier
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3 7 63 1515 0
MODEL
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L 13942296513
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Some illustrations using in this service manual are slightly different from the actual set.
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http://www.xiaoyu163.com

SERVICE MANUAL

PMA-2000 IV R
INTEGRATED STEREO AMPLIFIER
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16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN
Telephone: 03 (3837) 5321
http://www.xiaoyu163.com
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Hi-Fi Integrated Stereo Amplifier
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  • Page 1: Service Manual

    http://www.xiaoyu163.com 3 7 63 1515 0 Hi-Fi Integrated Stereo Amplifier SERVICE MANUAL PMA-2000 IV R MODEL INTEGRATED STEREO AMPLIFIER L 13942296513 Some illustrations using in this service manual are slightly different from the actual set. u163 16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN Telephone: 03 (3837) 5321 X0141 337 NC 0204 http://www.xiaoyu163.com...

  • Page 2: Safety Precautions

    http://www.xiaoyu163.com PMA-2000 IV R 3 7 63 1515 0 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.
  • Page 3 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 DISASSEMBLY (Do reverse manner when assembling.) Top Cover Remove 14 screws , 4 screws and detach the Top Cover in the arrow direction. Top Cover L 13942296513 Front Panel 1. Remove 8 screws 2.
  • Page 4 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 Bottom Plate Remove 24 screws and detach it in the arrow direction. Bottom Plate Rear Panel 1. Remove 5 screws , 6 screws and 2 screws 2. Detach the Rear Panel in the arrow direction. L 13942296513 Rear Panel Heat Sink Ass'y...
  • Page 5 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 METHOD OF ADJUSTMENTS DC Voltmeter Power Trans VR502 VR501 Power Trans 1U-3432-2 1U-3432-1 Power Amp P.W.B. (R) Power Amp P.W.B. (L) L 13942296513 Main Volume 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 15°C (59°F) and 30°C (86°F).
  • Page 6 http://www.xiaoyu163.com PMA-2000 IV R 3 7 6 3 1 5 1 5 0 BLOCK/LEVEL DIAGRAM BASS TREBLE PHONO SOURCE DIRECT TONE RIAA BUFFER BALANCE SPEAKER A FLAT AMP (MAIN) MAIN VOLUME POWER AMP TUNER SPEAKER B INPUT (BI WIRING) POWER AMP DIRECT HEAD PHONE /AUX-1 AUX-2...
  • Page 7 http://www.xiaoyu163.com PMA-2000 IV R 3 7 6 3 1 5 1 5 0 SEMICONDUCTORS TMP87CC46N-4C08 (IC901) Terminal Function IC’s Port Name Type Function TMP87CC46N-4C08 (IC901) AC POWER RELAY DRIVE (SO) (SI) (HSO)P77 (HSCK)P76 P22(XOUT) (SCK) (SO)P75 P21(XIN) MUTE/STAND-BY LED DRIVE (SI)P74 P20(INTS/STOP) (INT4)
  • Page 8 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 LB1639 (IC902) BA4558 (IC701) NJM2082D (IC201) OUT1 OUT2 TOP VIEW OUT1 A OUTPUT A –INPUT B OUTPUT N.C. CONT B –INPUT A+INPUT B +INPUT OUT2 CONT N.C.  OTHERS GP1U27X (Remote Control Sensor) (IC103) TOP VIEW L 13942296513...
  • Page 9 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 2SJ78 2SK373 (Y) 2SK184C (GR/BL) 2SK2967 2SK215 2SK369 (BL/GR)-C FRONT FRONT FRONT FRONT VIEW VIEW VIEW VIEW G S D S G D D G S G D S  DIODES (LED included) 11EQS06 HZS2B-1 SLR-56VC (Red)
  • Page 10 http://www.xiaoyu163.com PMA-2000 PRINTED WIRING BOARDS 3 7 6 3 1 5 1 5 0 1U-3432 POWER AMP P .W.B. UNIT Ass'y 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE...
  • Page 11 http://www.xiaoyu163.com PMA-2000 3 7 6 3 1 5 1 5 0 1U-3130 INPUT P .W.B. UNIT Ass'y 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE...
  • Page 12 http://www.xiaoyu163.com PMA-2000 3 7 6 3 1 5 1 5 0 1U-3433 FLAT AMP P .W.B. UNIT Ass'y 1 3 9 4 2 2 9 6 5 1 3 COMPONENT SIDE w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 13 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 NOTE FOR PARTS LIST Part 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. When ordering of part, clearly indicate "1"...
  • Page 14 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 PARTS LIST OF P.W.B. UNIT ASS'Y Note: The symbol in the column "Remarks" indicate the following destinations. G1C: China model G1H: Hong Kong model 1U-3432 POWER AMP UNIT ASS'Y G2A: Singapore model KEU: U.S.A.
  • Page 15 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks Q'ty C463 254 4313 921 Electrolytic 22uF/50V CE04W1H220MT(ASF) F101 206 1046 043 Fuse 10A C471,472 255 4251 976 Polypropylene film 100pF/100V CQ93P2A101JT(NH2) F108,109 206 1046 027 Fuse 5A...
  • Page 16 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 1U-3130H INPUT UNIT ASS'Y Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP ZD603 276 0645 907 Zener diode MTZJ18A T77 ZD604 276 0460 904 Zener diode HZS5C-1TD IC701 263 0322 004 IC BA4558 ZD605...
  • Page 17 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C603 255 4257 938 Polypropylene film 0.022uF/100V CQ93P2A223JT(NH2) OTHER PARTS GROUP Q'ty C604 254 4576 700 Electrolytic 2200uF/35V CE04W1V222MC(RE3) CX031 205 0653 036 3P VH Connector base...
  • Page 18 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 1U-3433 FLAT AMP UNIT ASS'Y Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP C413,414 254 4557 952 Electrolytic 47uF/50V CE04W1H470MT(RFS) C415,416 254 4558 702 Electrolytic 100uF/50V CE04W1H101MC(RFS) TR401-404 275 0042 905 Transistor 2SK373(Y)TPE2 C421,422...
  • Page 19 http://www.xiaoyu163.com PMA-2000 EXPLODED VIEW 3 7 6 3 1 5 1 5 0 WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the G2A only manufacturer. 87 88 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3...
  • Page 20 http://www.xiaoyu163.com PMA-2000 IV R 3 7 6 3 1 5 1 5 0 Note: The symbol in the column "Remarks" indicate the following destinations. PARTS LIST OF EXPLODED VIEW G1C: China model G1H: Hong Kong model G2A: Singapore model KEU: U.S.A. model Ref.
  • Page 21 http://www.xiaoyu163.com IV R PMA-2000 3 7 63 1515 0 PACKING VIEW 203 204 205 207 208 L 13942296513 Note: The symbol in the column "Remarks" indicate the following destinations. PARTS LIST OF PACKING & ACCESSORIES G1C: China model G1H: Hong Kong model G2A: Singapore model KEU: U.S.A.
  • Page 22 http://www.xiaoyu163.com PMA-2000 WIRING DIAGRAM 3 7 6 3 1 5 1 5 0 CY103 10P-EH CY031 1 2 3 4 5 6 7 8 9 10 1 2 3 +15V CW055 RELAY -15V CONTROL UNIT DIRECT 1U-3432-3 CX054 CX041 H/P-L RELAY OUT-L 5P-EH...
  • Page 23 http://www.xiaoyu163.com PMA-2000 SCHEMATIC DIAGRAMS (1/3) 3 7 6 3 1 5 1 5 0 9.5V 9.4V 8.8V 11.5V 1 3 9 4 2 2 9 6 5 1 3 12.7V 11.5V 12.7V WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture.
  • Page 24 http://www.xiaoyu163.com PMA-2000 SCHEMATIC DIAGRAMS (1/3) 3 7 6 3 1 5 1 5 0 9.5V 9.4V 8.8V 11.5V 1 3 9 4 2 2 9 6 5 1 3 12.7V 11.5V 12.7V WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture.
  • Page 25 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAMS (1/3) 9.5V L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3 http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com PMA-2000 3 7 6 3 1 5 1 5 0 9.5V 9.4V 8.8V L 1 3 9 4 2 2 9 6 5 1 3 11.5V u 1 6 3 http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 12.7V 11.5V L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3 http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 L 1 3 9 4 2 2 9 6 5 1 3 12.7V WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.
  • Page 29 http://www.xiaoyu163.com PMA-2000 SCHEMATIC DIAGRAMS (2/3) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 + B LINE - B LINE SIGNAL LINE NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD.
  • Page 30 http://www.xiaoyu163.com PMA-2000 SCHEMATIC DIAGRAMS (2/3) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 + B LINE - B LINE SIGNAL LINE NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD.
  • Page 31 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 SCHEMATIC DIAGRAMS (2/3) L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3 http://www.xiaoyu163.com...
  • Page 32 http://www.xiaoyu163.com PMA-2000 3 7 6 3 1 5 1 5 0 L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3...
  • Page 33 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3...
  • Page 34 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 + B LINE - B LINE L 1 3 9 4 2 2 9 6 5 1 3 SIGNAL LINE NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD.
  • Page 35 http://www.xiaoyu163.com PMA-2000 SCHEMATIC DIAGRAMS (3/3) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 NOTICE WARNING: ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics.

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