McIntosh-MS-300-Service-Manual 电路图 维修手册.pdf

《McIntosh-MS-300-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《McIntosh-MS-300-Service-Manual 电路图 维修手册.pdf（14页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL Performance Specifications . 2 Notes . 2 Safety Information . 2 Rear Panel . 3 Section Location . 3 Block Diagram . 4 Interconnection Diagram . 5 Front Panel Schematic and PCB . 7 - 10 Exploded View and Parts List . 11 - 12 Parts List . 15 Repacking List . 17 CONTENTS MUSIC SERVER Rad

2、ioFans.CN 收音机爱 好者资料库 2 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%

3、Channel Separation:95dB (1,000Hz) Output Level:2.0 Vrms Output Impedance:200 ohms Video Specifications Signal System:NTSC, PAL (Factory Option) Output Impedance:75 ohm General Specifications Digital Output Optical:-15dbm to -21dbm Digital Output Coaxial:0.4Vpp to 0.6Vpp/75 ohm Digital Signal Format:

4、44.1kHz Sampling Frequency Power Requirements:100-240 Volts, 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 inche

5、s (13.3cm) Weight:20.7 pounds (9.4Kg) net, 37.2 pounds (16.9Kg) in shipping carton 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 (

6、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 b. Diodes - Cathode c. Others -

7、 Pin 1 5. WARNING Parts marked with the symbol have critical characteristics. Use only replacement parts recom- mended by the manufacturer. 6. Use McIntosh Remote Control Model HR053 with the MS300. 7. See Advanced Users Guide for Keyboard (050202) operation. NOTES SAFETY INFORMATION PERFORMANCE SPE

8、CIFICATIONS 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 incorpor

9、ates an embedded CLASS 3B Laser (IEC60825-1). RadioFans.CN 收音机爱 好者资料库 REAR PANEL SECTION LOCATIONS TOP VIEW WITH COVER REMOVED MS300 3 RadioFans.CN 收音机爱 好者资料库 NOTES 4 INTERCONNECT1 Part #320192 Part #320200 5 NOTES 6 7 MS300 FRONT PANEL 05017711 8 MS300 FRONT PANEL 05017711 910 EXPLODED VIEW AND PAR

10、TS LIST MS300 1112 NOTES 1314 320187 MAIN PCB 320189 CHASSIS/POWER SUPPLY PCB See Note 320191 DISPLAY PCB See Note 320202 SERIAL RS232 PCB See Note 320204 AUDIO EXPANSION PCB See Note 320203 SPDIF PCB See Note 320208 IR DATA PCB See Note 320190 CD ROM PCB See Note 320186 HARD DRIVE See Note 050177 F

11、RONT PANEL PCB D1DIODE SILICON070047 D2DIODE SILICON070047 D3DIODE SILICON070047 DS1LED SQUARE RED058109 DS2LED SQUARE RED058109 DS3LED SQUARE RED058109 DS4LED SQUARE RED058109 DS5LED GREEN 5MM HI-INT058165 DS6LED GREEN 5MM HI-INT058165 DS7LED GREEN 5MM HI-INT058165 DS8LED GREEN 5MM HI-INT058165 J1C

12、ONN HEADER SHROUDED 1X14 117875 J2CONN HEADER SHROUDED 1X14 117875 J3CONN HEADER 1X5 STRAIGHT117874 J4CONN HEADER 1X5 STRAIGHT117874 Q1TRANSISTOR PNP SILICON132172 Q2TRANSISTOR PNP132224 Q3TRANSISTOR PNP132224 Q4TRANSISTOR PNP132224 Q7TRANSISTOR PNP132224 Q8TRANSISTOR NPN132223 R1RES MF 2.21K 1% 1/4

13、W144298 R2RES MF 221 OHM 1% 1/4W144172 R3RES MF 221 OHM 1% 1/4W144172 R4RES MF 221 OHM 1% 1/4W144172 R5RES MF 324 OHM 1% 1/4W144338 R6RES MF 10K 1% 1/4W144053 R7RES MF 100 OHM 1% 1/4W144196 R8RES MF 100 OHM 1% 1/4W144196 R9RES MF 100 OHM 1% 1/4W144196 R10RES MF 100 OHM 1% 1/4W144196 R11RES MF 1K 1%

14、1/4W144090 R12RES MF 1K 1% 1/4W144090 S1SWITCH PB TACT150058 S2SWITCH PB TACT150059 S3SWITCH PB TACT150059 S4SWITCH PB TACT150059 S5SWITCH PB TACT150058 S6SWITCH PB TACT150058 S7SWITCH PB TACT150058 S8SWITCH PB TACT150058 S9SWITCH PB TACT150059 S10SWITCH PB TACT150058 S11SWITCH PB TACT150058 S12SWIT

15、CH PB TACT150059 S13SWITCH PB TACT150058 S14SWITCH PB TACT150058 S15SWITCH PB TACT150059 S16SWITCH PB TACT150058 S17SWITCH PB TACT150059 NOTE: Modules not available as replacement parts. If defect is suspected in these modules, contact factory for service options. PARTS LIST 2 3 4 5 6 7 8 9 10 11 MS

16、300 15 NOTES 16 REPACKING INSTRUCTIONS 17 MS300 SERVICE MANUAL The continuous improvement of its 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. McINTOSH LABORATORY, INC., 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903 Printed in U.S.A. Part Number 040XXX MUSIC SERVER