McIntosh MC2102 Service Manual

McIntosh MC2102 Service Manual

Power amplifier
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POWER AMPLIFIER

Performance Specifications ........................................ 2
Notes ......................................................................... 2
Rear Panel .................................................................. 3
Section Location ........................................................ 4
Block Diagram ...................................................... 5 - 6
Interconnection Diagram ...................................... 7 - 8
Input Schematic and PCB .................................... 9 - 10
Daughter Schematic and PCB ............................. 11 - 13
Amplifier Schematic and PCB ....................... 11 - 12, 14
CONTENTS
SERVICE MANUAL
Power Supply Schematic and PCB ..................... 15 - 18
Output Schematic and PCB ............................... 17 - 18
Remote Switch Schematic and PCB ................... 19 - 20
Panel Lamp A Schematic and PCB ..................... 19 - 20
Panel Lamp B Schematic and PCB ............................ 21
Meter A & B Schematic and PCB .............................. 22
Parts List ............................................................ 23 - 26
Repacking Instruction .............................................. 33

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Summary of Contents for McIntosh MC2102

  • Page 1: Table Of Contents

    POWER AMPLIFIER CONTENTS Performance Specifications ........2 Power Supply Schematic and PCB ..... 15 - 18 Notes ................. 2 Output Schematic and PCB ....... 17 - 18 Rear Panel ..............3 Remote Switch Schematic and PCB ....19 - 20 Section Location ............
  • Page 2: Performance Specifications

    240 Volts , 50/60Hz at 2.5 amps 0.5% for 1, 2 or 4 ohm loads (Mono Parallel) Note: Refer to the rear panel of the MC2102 for the correct 0.5% for 4, 8 or 16 ohm loads (Mono Bridge) voltage.
  • Page 3: Rear Panel

    MC2102 TOP AND REAR PANEL...
  • Page 4: Section Location

    SECTION LOCATIONS BOTTOM VIEW WITH COVER REMOVED...
  • Page 5: Block Diagram

    MC2102 BLOCK DIAGRAM...
  • Page 6 INTERCONNECT...
  • Page 7 MC2102 INPUT 049508...
  • Page 8 INPUT 049508...
  • Page 9 MC2102 DAUGHTER 049507 AMPLIFIER 4L 4R 049517...
  • Page 10 DAUGHTER AMPLIFIER 3L 3R 4L 4R 049517 049507...
  • Page 11 MC2102 POWER SUPPLY 049509...
  • Page 12 POWER SUPPLY 049509 OUTPUT 049510...
  • Page 13 MC2102 REMOTE SWITCH 049510 PANEL LAMP 049646...
  • Page 14 PANEL LAMP METER METER 049646 049612 049612...
  • Page 15: Parts List

    MC2102 PARTS LIST Reference No. Description Part No. INTERCONNECT C1 C2 DISC CAP 0.0047MF 06127600 049517 AMPLIFIER FUSE 6.3A 250V SLO BLO IEC 08910400 CAP POLYPROP 1UF 20% 250VDC 06443300 CHOKE, FILTER 0.5H 800MA 12233700 C2 C3 CAP POLYPRP 0.22UF 20% 1000VDC...
  • Page 16 PARTS LIST con’t Reference No. Description Part No. J1 J2 J7 J8 J14 BLADE FASTON .187 11772600 049612 METER LAMP J3 J4 J5 J9 J11 J12 CONN MALE 6 PIN PCB MOUNT 11769800 DS1 DS2 DS3 DS4 DS5 DS6 LAMP INCANDESCENT 14V 100MA 05815300 HEADER 9 CIRCUIT 11772400...
  • Page 17: Exploded View

    MC2102 EXPLODED VIEW...
  • Page 18 EXPLODED VIEW...
  • Page 19 EXPLODED PARTS LIST Description Item No. Part No. 049591 POWER TRANSFORMER 016438 GLASS 049595 KNOB ASSY 126714 DECAL OUTPUT TRANSFORMER 104164 WASHER BLK FELT 1 X 1/4 X 1/16 126713 DECAL POWER TRANSFORMER 018678 BOTTOM EXTRUSION 049517 AMP PCB ASSY 101172 SCREW TC 6-32 X 1/4 PH FL U/C 017859...
  • Page 20: Repacking Instruction

    SERVICE MANUAL The continuous improvement of it’s products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design without notice. Because of the constant upgrading of McIntosh products’ circuitry and components, the Company cannot insure, and does not warrant, the accuracy of the within schematic material, which is intended for information only.

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