McIntosh MC202 free download

File name McIntosh-MC202 pwramp.pdf

POWER AMPLIFIER CONTENTS Performance Specifications ... 2 Notes ... 2 Rear Panel ... 3 Section Location ... 3 Block Diagram ... 5 - 6 Interconnection Diagram ... 7 - 8 Heatsink Schematic and PCB ... 9 - 10 Driver Schematic and PCB ... 11 - 12 Meter Schematic and PCB ... 13 - 19 Power Guard Lamp Schematic and PCB ... 16 Meter Light Schematic and PCB ... 17 Panel Lamp Schematic and PCB ... 18 Parts List ... 19 - 20 Exploded View and Parts List ... 21 - 24 Repacking Instructions ... 25 SERVICE MANUAL PERFORMANCE SPECIFICATIONS Power Output Stereo 200 watts into 2, 4 or 8 ohm loads is the minimum sine wave continuous average power output per channel with both channels operating. Power Output Mono Bridged 400 watts into 4, 8 or 16 ohm loads is the minimum sine wave continuous average power output. Output Load Impedance Stereo - 2, 4 or 8 ohms Mono - 4, 8 or 16 ohms Rated Power Band 20Hz to 20,000Hz Dynamic Headroom 1.9dB Frequency Response +0, -0.25dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz Total Harmonic Distortion 0.005% maximum at any power level from 250 milliwatts to rated power per channel from 20Hz to 20,000Hz, all channels operating. Intermodulation Distortion 0.005% maximum if instantaneous peak output per channel does not exceed twice the rated output with all channels operating for any combination of frequencies from 20Hz to 20,000Hz. Signal To Noise Ratio (A Weighted) 110dB below rated output Sensitivity 1.7 Volts Unbalanced Input 3.4 Volts Balanced Input Input Impedance 10,000 ohms Unbalanced and Balanced Wide Band Damping Factor Greater than 40 Power Requirements 100 Volts, 50/60Hz at 4.8 amps 110 Volts, 50/60Hz at 4.4 amps 120 Volts, 50/60Hz at 4.0 amps 220 Volts, 50/60Hz at 2.0 amps 230 Volts, 50/60Hz at 2.0 amps 240 Volts, 50/60Hz at 2.0 amps Note: Refer to the rear panel of the MC202 for the correct voltage. Dimensions Front Panel: 17-1/2 inches (44.45cm) wide, 5-7/16 inches (13.81cm) high. Depth behind front mounting panel is 18 inches (45.72cm). Clearance required in front of the Front Panel is 1 inch (2.54cm) for knobs. Weight 65 pounds (29.49 kg) net, 83 pounds (37.65 kg) in shipping carton. NOTES 1. The heavy notes on the schematic denote the primary signal path. 2. Unless otherwise noted, all voltages indicated on the schematics are measured under the following conditions: a. AC input at 120 volts, 50/60Hz. b. All voltages are +/