McIntosh MC207 Service Manual
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McIntosh MC207 Service Manual

McIntosh MC207 Service Manual

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See also: Service Manual , Owner's Manual
Performance Specifications ........................................ 2
Notes ......................................................................... 2
Rear Panel .................................................................. 3
Section Location ........................................................ 5
Block Diagram ........................................................... 6
Interconnection Diagram ...................................... 7 - 8
Input Schematic and PCB .................................... 9 - 12
Heatsink 1-Channel Schematic and PCB ............ 13 - 18

POWER AMPLIFIER

SERIAL NO. VQ1001 And Above
CONTENTS

SERVICE MANUAL

Serial Number VQ1001 And Above
Heatsink 2-Channel Schematic and PCB ............ 21 - 26
Display Schematic and PCB ............................... 29 - 32
Capacitor Schematic and PCB .................................. 33
Power Supply Schematic and PCB ..................... 34 - 35
Parts List ............................................................ 36 - 42
Exploded Views and Parts Lists .......................... 43 - 46
Repacking Instruction .............................................. 47

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Summary of Contents for McIntosh MC207

  • Page 1: Table Of Contents

    POWER AMPLIFIER SERIAL NO. VQ1001 And Above CONTENTS Performance Specifications ........2 Heatsink 2-Channel Schematic and PCB .... 21 - 26 Notes ................. 2 Display Schematic and PCB ....... 29 - 32 Rear Panel ..............3 Capacitor Schematic and PCB ........33 Section Location ............

  • Page 2: Performance Specifications

    240 Volts, 50/60Hz at 6.0 amps 1.0 Volt Unbalanced with a 4 ohm Loudspeaker Note: Refer to the rear panel of the MC207 for the correct voltage. 2.0 Volt Balanced with a 4 ohm Loudspeaker 1.4 Volt Unbalanced with a 8 ohm Loudspeaker Dimensions 2.8 Volt Balanced with a 8 ohm Loudspeaker...

  • Page 3: Rear Panel

    MC207 REAR PANEL...
  • Page 4 NOTES...

  • Page 5: Section Location

    MC207 SECTION LOCATIONS TOP VIEW TOP VIEW WITH COVER REMOVED...

  • Page 6: Block Diagram

    BLOCK DIAGRAM...
  • Page 7 MC207 INTERCONNECT...
  • Page 8 INPUT 050065...
  • Page 9 MC207 INPUT 050065...
  • Page 10 HEATSINK 1-CHANNEL 050070...
  • Page 11 MC207 HEATSINK 1-CHANNEL DRIVER SECTION 050070...
  • Page 12 HEATSINK 1-CHANNEL 050070 * Denotes components on reverse or backside of PC Board.
  • Page 13 MC207 NOTES...
  • Page 14 HEATSINK 2-CHANNEL 050064...
  • Page 15 MC207 HEATSINK 2-CHANNEL DRIVER SECTION 050064...
  • Page 16 HEATSINK 2-CHANNEL DISPLAY 050064 ILLUMINATION SECTION 050066 * Denotes components on reverse or backside of PC Board.
  • Page 17 MC207 DISPLAY DISPLAY METER SECTION 050066 POWER GUARD SECTION 050066...
  • Page 18 DISPLAY 050066 * Denotes components on reverse or backside of PC Board.
  • Page 19 MC207 CAPACITOR 050063 * Denotes components on reverse or backside of PC Board.
  • Page 20 POWER SUPPLY 050062...
  • Page 21 MC207 POWER SUPPLY 050062...

  • Page 22: Parts List

    052005 CAP ELECT 10UF 16V 4X5 CASE 066382 DIODE BRID RECT 070139 CAP MONO 22PF 200V 10% NPO 061298 METER MC207 124089 CAP MONO 22PF 200V 10% NPO 061298 METER MC207 124089 CONN MALE 9 POS FRICTION LOCK 117244 METER MC207...

  • Page 23: Parts List

    MC207 PARTS LIST con’t RES MF 20K 1% 1/4W 144104 CONN 4 PIN 117215 RES MF 10K 1% 1/4W 144053 CONN HEADER 2 PIN 0.156 117404 RES MF 10K 1% 1/4W 144053 BLADE FASTON .110 117712 RES MF 100K 1% 1/4W...
  • Page 24 PARTS LIST con’t RES MF 100 OHM 1% 1/4W 144196 CAP MONO .1uF 50V 20% Z5U 061305 RES MF 100 OHM 1% 1/4W 144196 CAP POLYPROP 0.15UF 10% 250VDC 064363 RES MF 475K 1% 1/4W 144364 CAP MONO 100PF 100V 10% NPO 061300 RES MF 47.5K 1% 1/4W 144108...
  • Page 25 MC207 PARTS LIST con’t LDR NETWORK 144179 TRANSISTOR PNP 132224 LDR NETWORK 144179 TRANSISTOR NPN 132223 TRANSISTOR NPN 132223 TRANSISTOR PNP POWER 132255 TRANSISTOR PNP 132224 RES MF 332 OHM 1% 1/4W 144446 TRANSISTOR NPN 132268 RES MET OX 680 OHM 5% .5W...
  • Page 26 PARTS LIST con’t RES MF 100 OHM 1% 1/4W 144196 050066 DISPLAY PCB RES MF 22.1K 1% 1/4W 144187 CAP ELECT 10UF 50V 066445 RES FP 22 OHM 1/4W 5% 137033 CAP MPF 0.47UF 5% 50/63VDC 064333 RES MF 10K 1% 1/4W 144053 CAP MONO .1uF 50V 20% Z5U 061305...
  • Page 27 MC207 PARTS LIST con’t DS17 LED AMBER 058133 RES MF 221 OHM 1% 1/4W 144172 DS18 LED AMBER 058133 RES MF 1.5K 1% 1/4W 144128 DS19 LED AMBER 058133 POT TRIM 500 OHM 20% HORIZ ADJ 134410 DS20 LED AMBER...
  • Page 28 PARTS LIST con’t RES MF 2.67K 1% 1/4W 144121 DIODE RECTIFIER 070131 RES MF 10.2K 1% 1/4W 144130 DIODE ZENER 6.2V 5% 500MW 070085 RES MF 5.62K OHM 1% 1/4W 144447 DIODE SILICON 070047 RES MF 221 OHM 1% 1/4W 144172 FUSE 3.15A SLO-BLO 5X20 IEC 089098...
  • Page 29 MC207 MC207 EXPLODED VIEW...

  • Page 30: Exploded Views And Parts Lists

    MC207 EXPLODED VIEW and PARTS LIST Part Description 016507 GLASS 114118 TRANSISTOR CLIP 218 094360 TAPE FOAM 1/2 X 1/2 114119 TRANSISTOR CLIP 214 004939 BRACKET EXTRUSION 005007 ASSY HEATSINK PCB 1 CH 018615 END CAP 9” 005439 COVER HEATSINK CH 5-6...

  • Page 31: Repacking Instruction

    MC207 REPACKING INSTRUCTION...
  • Page 32 SERIAL NO. VQ1001 And Above The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design without The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design without notice.

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