Pioneer PRS-A700 Service Manual
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Pioneer PRS-A700 Service Manual

Bridgeable 4-channel power amplifier
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3 7 63 1515 0
Service
Manual
BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
PRS-A700
TE
L 13942296513
www
For details, refer to "Important check points for good servicing".
.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC.
PIONEER EUROPE NV
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2004
http://www.xiaoyu163.com
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4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
http://www.xiaoyu163.com
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PRS-A700/X1H/EW
/X1H/EW
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ORDER NO.
CRT3354
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K-ZZB. DEC. 2004 Printed in Japan
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Summary of Contents for Pioneer PRS-A700

  • Page 1: Service Manual

    PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2004 K-ZZB. DEC. 2004 Printed in Japan http://www.xiaoyu163.com...

  • Page 2: Safety Information

    - Service Precaution You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual. L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 3 To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual. PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 4: Table Of Contents

    7. GENERAL INFORMATION........26 2.1 PACKING..............6 7.1 DIAGNOSIS ............26 2.2 EXTERIOR ............8 7.1.1 DISASSEMBLY.........26 3. SCHEMATIC DIAGRAM...........10 7.1.2 ..27 CONNECTOR FUNCTION DESCRIPTION 3.1 SCHEMATIC DIAGRAM (GUIDE PAGE) ...10 8. OPERATIONS ............28 4. PCB CONNECTION DIAGRAM........16 4.1 AMP UNIT............16 L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 5: Specifications

    L 13942296513 *Average current drawn • The average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. Use this value when working out total current drawn by multiple power amplifiers. u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 6: Exploded Views And Parts List

    - Screws adjacent to ∇ mark on the product are used for disassembly. - For the applying amount of lubricants or glue, follow the instructions in this manual. ( In the case of no amount instructions, apply as you think it appropriate.) 2.1 PACKING L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 7 4 Contain Box HHL0443 5 Protector HHP0266 6 Carton HHG0443 7 Polyethylene Bag HEG0022 8-1 Owner’s Manual HRD0239 8-2 Warranty Card HRY1157 - Owner's Manual Part No. Language HRD0239 English, Spanish, German, French, Italian, Dutch L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 8: Exterior

    3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 9 27 Terminal(CN601) HKE1054 28 Terminal(CN604) HKF0001 29 Screw PPZ30P100SAD 30 Light Pipe HXA0426 31 Screw PPZ30P080FZK 32 Screw PPZ30P120FZK 33 Screw BBZ30P060FZK 34 Badge HAM0035 35 Screw HBA1639 > 36 Fuse(FU602,603)(20A) HEK0020 37 Screw BBZ30P080FCU 38 Screw BMZ30P050FCU u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 10: Schematic Diagram

    AMP UNIT Guide page Detailed page A FREQ A LPF/HPF B FREQ L 13942296513 B LPF/HPF +/- 15VL, 15VR +/- 15.4V +/- VFL, VFR 30.0V +/- VL, VR 29.5V > > > > > > > NOTE > u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 11 : Therefore, when replacing, be sure to use parts of ← Symbol indicates a capacitor. identical designation. ← No differentiation is made between chip capacitors and 0.022 R022 discrete capacitors. PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 12 3 7 63 1515 0 L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 13 3 7 63 1515 0 L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 14 3 7 63 1515 0 L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 15 3 7 63 1515 0 L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 16: Pcb Connection Diagram

    For further information for respective destinations, be sure to check with the schematic dia- gram. 2.Viewpoint of PCB diagrams Capacitor Connector SIDE A SIDE B P.C.Board Chip Part L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 17 3 7 63 1515 0 SIDE A L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 18 3 7 63 1515 0 AMP UNIT L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 19 3 7 63 1515 0 SIDE B L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 20: Electrical Parts List

    IRF1010N (A,62,173) Transistor 2SC2458 (A,222,214) FET IRF1010N (A,91,60) Transistor 2SA992 (A,241,28) FET IRF1010N (A,44,182) Transistor 2SA992 u163 (A,236,214) FET IRF1010N (A,114,62) Transistor 2SC1845 (A,259,28) FET IRF1010N (A,67,182) Transistor 2SC1845 (A,254,214) FET IRF1010N (A,91,54) Transistor 2SC1845 (A,156,28) Transistor 2SC4883 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 21 ERA92-02VH (A,197,215) Diode ERA92-02VH (A,51,103) RD1/4PU822J u163 (A,197,28) Diode ERA92-02VH (A,71,94) RD1/4PU822J (A,178,109) RD1/4PU0R0J (A,71,110) RD1/4PU822J (A,184,124) Diode 1SS133 (A,52,137) RD1/4PU103J (A,58,158) RD1/4PU103J (A,120,112) Diode 1SS133 (A,120,132) Diode 1SS133 (A,127,123) Diode 1SS133 (A,171,139) Diode ERA15-02VH (A,268,114) LED AM4661PBC PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 22 RD1/4PU221J (A,105,43) RD1/4PU222J u163 (A,117,172) RD1/4PU221J (A,49,200) RD1/4PU222J (A,36,58) RD1/4PU221J (A,91,48) 100Ω HCN1141 (A,83,185) RD1/4PU221J (A,35,195) 100Ω HCN1141 (A,70,57) RD1/4PU221J (A,124,48) 100Ω HCN1141 (A,117,184) RD1/4PU221J (A,68,195) 100Ω HCN1141 (A,78,33) RD1/4PU102J (A,98,39) 0.22Ω HCN1142 (A,86,209) RD1/4PU102J (A,41,203) 0.22Ω HCN1142 PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 23 RS1/2PMF100J (A,144,136) RD1/4PU473J (A,252,44) RS1/2PMF100J (A,139,112) RD1/4PU564J (A,252,198) RS1/2PMF100J (A,139,131) RD1/4PU564J (A,181,45) RS1/2PMF220J (A,286,43) RD1/4PU473J (A,181,198) RS1/2PMF220J (A,286,177) RD1/4PU473J u163 (A,177,35) RS1/2PMF220J (A,132,112) RD1/4PU473J (A,177,208) RS1/2PMF220J (A,132,131) RD1/4PU473J (A,143,68) RS1/2PMF100J (A,143,174) RS1/2PMF100J (A,143,65) RS1/2PMF100J (A,143,178) RS1/2PMF100J (A,162,32) RD1/4PU472J PRS-A700/X1H/EW http://www.xiaoyu163.com...
  • Page 24 (A,48,140) CQMA472J50 (A,155,133) CFTNA103J50 (A,47,135) CCPUSL330J50 (A,176,124) CEAT220M16 (A,161,133) CFTNA103J50 (A,48,143) CCPUSL330J50 (A,193,114) CEAT100M16 (A,38,141) 33pF HCF0004 u163 (A,37,160) 33pF HCF0004 (A,200,109) CEAT221M10 (A,131,182) CFTNA103J50 (A,209,114) CQMA102J50 (A,145,182) CFTNA103J50 (A,187,119) CEAT2R2M50 (A,204,128) CEAT470M50 (A,116,118) 220µF/10V HCH0012 (A,216,202) CQMA472J50 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 25: Adjustment

    1. The idle current should be set when the amplifier has not been in operation for a long time and also should be set when at room temperature. 2. PCB assembly must be mounted in the heatsink and all power transistors must be attached to the heatsink using the proper fastners. PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 26: General Information

    Remove the seven screws and then remove the Case. L 13942296513 Fig.1 Case Removing the Amp Unit (Fig.2) Remove the twenty-two screws. Remove the four screws. Remove the ten screws and then remove the Amp Unit. u163 Amp Unit Fig.2 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 27: Connector Function Description

    3 7 63 1515 0 7.1.2 CONNECTOR FUNCTION DESCRIPTION L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

  • Page 28: Operations

    3 7 63 1515 0 8. OPERATIONS L 13942296513 u163 PRS-A700/X1H/EW http://www.xiaoyu163.com...

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