McIntosh MS-300 Service manual
MUSIC SERVER
CONTENTS
Performance Specifications ........................................ 2
Notes ......................................................................... 2
Safety Information ..................................................... 2
Rear Panel .................................................................. 3
Section Location ........................................................ 3
Block Diagram ........................................................... 4
SERVICE MANUAL
Interconnection Diagram ........................................... 5
Front Panel Schematic and PCB ......................... 7 - 10
Exploded View and Parts List ............................ 11 - 12
P arts List................................................................... 15
Repacking List .......................................................... 17
PERFORMANCE SPECIFICATIONS
Specifications are subject to change without notice.
Please check the McIntosh web site for any changes to
the specifications.
Audio Specifications
Frequency Response: 2 – 20 ,000Hz, +/-1 dB
Signal to Noise Ratio: 102dB (IHF A-Weighted)
Dynamic Range: 96dB
Harmonic Distortion: 0.01%
Channel Separation: 95dB (1,000Hz)
Output Level: 2.0 Vrms
Output Impedance: 200 ohms
Video Specifications
Signal System: NTSC, P AL (Factory Option)
Output Impedance: 75 oh m
1. 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 +/-10% with respect to ground. A
high impedance (10 megaohm) voltmeter must be used.
3 . Unless otherwise specified:
a. Resistor values are in ohms.
b. Capacitor values are microfarads (uF).
c. Inductor values are in microhenries (uH)
.
4 . On PC board drawings, Square pad indicates:
a. Polarized Capacitors - Positive
General Specifications
Digital Output Optical: -15dbm to -21dbm
Digital Output Coaxial: 0.4Vpp to 0.6Vpp/75 ohm
Digital Signal Format: 44.1kHz Sampling Frequency
Power Requirements: 100-240 V olts, 50-60Hz at 60 watts
Overall Dimensions: Width is 17-1/2 inches (44.45cm)
Height is 5-3/8 inches (13.69cm)
Depth is 15 inches (38.1cm)
Note: When the disc tray is Opened, the
panel clearance required in front of
mounting panel is 5-1/4 inches (13.3cm)
W eight: 20.7 pounds (9.4Kg) net, 37.2 pounds
(16.9Kg) in shipping carton
NOTES
b. Diodes - Cathode
c. Others - Pin 1
5. WARNING
Parts marked with the symbol have critical
characteristics. Use only replacement parts recomÂmended by the manufacturer.
6. Use McIntosh Remote Control Model HR053 with the
MS300.
7 . See Advanced Users Guide for Keyboard (050202)
operation.
SAFETY INFORMATION
CAUTION: Invisible Laser Radiation when open.
DO NOT stare into the beam or view
directly with optical instruments. Use
of controls or adjustments or
performance of procedures other
than those specified in the Owners
Manual may result in Hazardous
Radiation Exposure.
This product incorporates an embedded CLASS 3B Laser (IEC60825-1).
2
REAR PANEL
MS300
SECTION LOCATIONS
TOP VIEW WITH COVER REMOVED
3
NOTES
4
1
INTERCONNECT
Part #320200
Part #320192
5
Loading...