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McIntosh MA5100 Service Information

McIntosh MA5100 Service Information

Preamp-amplifier
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MA 5100
PREAMP - AMPLIFIER

SERVICE INFORMATION

S T A R T I N G W I T H S E R I A L N O . 2 1 H O O
M c l N T O S H L A B O R A T O R Y INC.
2 C H A M B E R S S T R E E T
B I N G H A M T O N , NEW Y O R K

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Summary of Contents for McIntosh MA5100

  • Page 1: Service Information

    MA 5100 PREAMP - AMPLIFIER SERVICE INFORMATION S T A R T I N G W I T H S E R I A L N O . 2 1 H O O M c l N T O S H L A B O R A T O R Y INC. 2 C H A M B E R S S T R E E T B I N G H A M T O N , NEW Y O R K...
  • Page 2 5 1 0 0 E L E C T R I C A L S P E C I F I C A T I O N S Power Output: 90 watts RMS continuous, 45 watts per channel operating simultaneously into 4 ohm or 8 ohm loads.
  • Page 3 MA 5100...
  • Page 4 M A 5 1 0 0...
  • Page 5: Preamp. Section

    H E A V Y LINE SHOWS P R I M A R Y S I G N A L PATH PREAMP. SECTION MA 5100 154-411...
  • Page 6: Power Output

    POWER OUTPUT SECTION H E A V Y LINE S H O W S P R I M A R Y SIGNAL PATH MA 5100 154-376...
  • Page 7 M A 5 1 0 0 OUTPUT MONITOR PRINTED CIRCUIT BOARD 0 4 3 - 8 2 1 ( NOTE 1 ) LEFT CHANNEL POWER OUTPUT SECTION PRINTED CIRCUIT BOARD 043-919 RIGHT CHANNEL POWER OUTPUT SECTION P R I N T E D CIRCUIT BOARD 043-919...
  • Page 8: Filter Section

    FILTER SECTION PRINTED CIRCUIT BOARD 043-990 MA 5100 FILTER SECTION PRINTED CIRCUIT BOARD 043-990 FILTER SECTION M A 5 1 0 0 154-410...
  • Page 9 M A 5 1 0 0 S C H E M A T I C N O T E S Unless otherwise specified: Resistance values are in ohms, 1/2 watt, and 10% tolerance; capacitance values smaller than 1 are in microfarads ( m f d ) ; capacitance values greater than 1 are in picofarads (pF) ;...
  • Page 10 MA 5100...
  • Page 11 5 1 0 0 D301 0 7 0 - 0 3 1 rectifier R E P L A C E M E N T P A R T S D302 070-031 rectifier A l l p a r t s not l i s t e d a r e common items o b t a i n - a b l e from r a d i o p a r t s j o b b e r s .
  • Page 12 M A 5 1 0 0 R E S I S T O R S Treble knob (front) - for 090-008 k n u r l e d shaft R231 ,232 Wirewound 3 . 6k 139-013 Bass knob (rear) R237,238 Wirewound .33 ohms 139-036...