McIntosh MCD 201 Service Manual

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PERFORMANCE SPECIFICATIONS 2

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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 +/-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 b. Diodes - Cathode c. Others - 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 HR056 with the MCD201. NOTES 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 speci fied in the Owners Manual may result in Hazardous Radiation Exposure. Servicing of laser mechanism is to be performed at the service facility at McIntosh Laboratory Inc. This product incorporates an embedded Class 3R Laser (IEC60825-1). LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT VAROITUS! Laitteen kayttaminen muulla kuin tassa kayttoohjeessa mainitulla tavalla saattaa altistaa kayttajan turvallisuusluokan 1 ylittavalle nakymattomalle lasersateiiylle. VARNING! Om apparaten anvands pa annat satt an i denna bruksanvisning specificerats, kan anvandaren utsattas for osynbg laserstraining, som overskrider gransen for laserklass 1. 3 MCD201

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PARTS LIST cont 28 MAIN PCB 750293 (contd) Ref No.DescriptionPart No. Ref No.DescriptionPart No. L7 CHOKE 18UH 5%-10% 122394 L8 CHOKE 18UH 5%-10% 122394 L9 CHOKE 18UH 5%-10% 122394 OPT1TRANSMITTER FIBER OPTIC 058180 Q1 TRANSISTOR PNP SILICON 132304 Q2 TRANSISTOR PNP SILICON 132304 Q3 TRANSISTOR PNP 2SB892 132263 Q4 TRANSISTOR NPN SILICON 132317 Q5 COUPLER OPTICAL SCHMITT OUTPUT131030 Q6 TRANSISTOR PNP SILICON 132304 Q7 TRANSISTOR NPN 2A 50V 132302 Q8 TRANSISTOR PNP 2SB892 132263 Q9 TRANSISTOR NPN 2A 50V 132302 Q10 TRANSISTOR PNP 2SB892 132263 Q11 TRANSISTOR PNP SILICON 132304 R1 RES NETWORK 9 X 47K BUSSED 144673 R2 RES NETWORK 2 X 100 OHM ISO 144680 R3 RES NETWORK 2 X 100 OHM ISO 144680 R4 RES MF 100 OHM 1% 1/4W 144568 R5 RES NETWORK 2 X 100 OHM ISO 144680 R6 RES NETWORK 2 X 100 OHM ISO 144680 R7 RES NETWORK 2 X 100 OHM ISO 144680 R8 RES MF 4.75K 1% 1/4W 144520 R9 RES CF 0 OHM 5% 1/4W 141554 R10 RES CF 0 OHM 5% 1/4W 141554 R13 RES MF 22.1 OHM 1% 1/4W 144554 R14 RES MF 2.21 OHM 1% 1/4W 144607 R15 RES MF 475 OHM 1% 1/4W 144509 R16 RES NET 10K X 8 RES BUSSED 144675 R17 RES MF 10K 1% 1/4W 144504 R18 RES MF 1K 1% 1/4W 144513 R19 RES MF 56.2K 1% 1/4W 144618 R20 RES MF 10K 1% 1/4W 144504 R21 RES MF 100 OHM 1% 1/4W 144568 R22 RES MF 100 OHM 1% 1/4W 144568 R23 RES MF 100 OHM 1% 1/4W 144568 R24 RES MF 61.9K 1% 1/4W 144596 R25 RES MF 47.5K 1% 1/4W 144526 R26 RES MF 150K 1% 1/4W 144627 R27 RES MF 2.74K 1% 1/4W 144587 R28 RES MF 47.5K 1% 1/4W 144526 R33 RES MF 4.75M 1% 1/4W 144608 R41 RES MF 4.75M 1% 1/4W 144608 R48 RES MO 56.2 OHM 1% 1W 144695 R49 RES MF 47.5 OHM 1% 1/4W 144642 R57 RES MF 562 OHM 1% 1/4W 144622 R58 RES MF 47.5 OHM 1% 1/4W 144642 R60 RES MF 47.5 OHM 1% 1/4W 144642 R61 RES MF 47.5 OHM 1% 1/4W 144642 R64 RES NETWORK 2 X 100 OHM ISO 144680 R68 RES NETWORK 2 X 100 OHM ISO 144680 R69 RES NETWORK 2 X 100 OHM ISO 144680 R75 RES MF 332 OHM 1% 1/4W 144646 R74 RES MF 100 OHM 1% 1/4W 144568 R29 RES MF 3.32K 1% 1/4W 144518 R30 RES MF 3.32K 1% 1/4W 144518 R31 RES MF 3.32K 1% 1/4W 144518 R32 RES MF 3.32K 1% 1/4W 144518 R34 RES MF 100K 1% 1/4W 144528 R35 RES MF 1.5K 1% 1/4W 144539 R36 RES MF 3.32K 1% 1/4W 144518R37 RES MF 2.21K 1% 1/4W 144584 R38 RES MF 47.5K 1% 1/4W 144526 R39 RES MF 475 OHM 1% 1/4W 144509 R40 RES MF 475 OHM 1% 1/4W 144509 R42 RES MF 15 OHM 1% 1/2W 144555 R43 RES MF 1.5K 1% 1/4W 144539 R44 RES MF 47.5K 1% 1/4W 144526 R45 RES MF 475 OHM 1% 1/4W 144509 R46 RES MF 3.32K 1% 1/4W 144518 R47 RES MF 2.21K 1% 1/4W 144584 R50 RES MF 475K 1% 1/4W 144604 R51 RES MF 10K 1% 1/4W 144504 R52 RES MF 47.5K 1% 1/4W 144526 R53 RES MF 10K 1% 1/4W 144504 R54 RES MF 1K 1% 1/4W 144513 R55 RES MF 22.1K 1% 1/4W 144564 R56 RES MF 22.1K 1% 1/4W 144564 R59 RES MF 1.5K 1% 1/4W 144539 R62 RES MF 10K 1% 1/4W 144504 R63 RES NETWORK 2 X 100 OHM ISO 144680 R65 RES MF 47.5K 1% 1/4W 144526 R66 RES NETWORK 9 X 47K BUSSED 144673 R67 RES MF 47.5K 1% 1/4W 144526 R76 RES MF 47.5K 1% 1/4W 144526 R77 RES MF 2.1K 1% 1/4W 144585 R78 RES MF 475 OHM 1% 1/4W 144509 R79 RES MF 1.5K 1% 1/4W 144539 R80 RES MF 1.5K 1% 1/4W 144539 R81 RES MF 1.5K 1% 1/4W 144539 R82 RES MF 1K 1% 1/4W 144513 R83 RES MF 1.5K 1% 1/4W 144539 R84 RES MF 2.67K 1% 1/4W 144534 R85 RES MF 100 OHM 1% 1/4W 144568 R86 RES MF 2.67K 1% 1/4W 144534 R87 RES MF 2.67K 1% 1/4W 144534 R88 RES MF 100 OHM 1% 1/4W 144568 R89 RES MF 2.67K 1% 1/4W 144534 R90 RES MF 2.67K 1% 1/4W 144534 R91 RES MF 2.67K 1% 1/4W 144534 R92 RES MF 2.67K 1% 1/4W 144534 R93 RES MF 2.67K 1% 1/4W 144534 R94 RES MF 2.21K 1% 1/4W 144584 R95 RES MF 2.21K 1% 1/4W 144584 R96 RES MF 2K 1% 1/4W 144517 R97 RES MF 2K 1% 1/4W 144517 R98 RES MF 2.21K 1% 1/4W 144584 R99 RES MF 2.21K 1% 1/4W 144584 R100 RES MF 2K 1% 1/4W 144517 R101 RES MF 2K 1% 1/4W 144517 R102 RES MF 1K 1% 1/4W 144513 R103 RES MF 1K 1% 1/4W 144513 R104 RES MF 1K 1% 1/4W 144513 R105 RES MF 1K 1% 1/4W 144513 R106 RES MF 5.62 OHM 1% 1/4W 144556 R107 RES MF 5.62 OHM 1% 1/4W 144556 R108 RES MF 47.5K 1% 1/4W 144526 R109 RES MF 47.5K 1% 1/4W 144526 R110 RES MF 47.5K 1% 1/4W 144526 R111 RES MF 47.5K 1% 1/4W 144526 R112 RES MF 47.5K 1% 1/4W 144526 R113 RES MF 47.5K 1% 1/4W 144526

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Ref # P/N Qty Description 1 005090 2BRACKET EXTRUSION 2 005582 1 FAB SUBPANEL 3 005666 1 FAB PANEL REAR 4 005585 1 FAB SIDE LEFT 5 005586 1 FAB BRACKET LEFT 6 005587 1 FAB SIDE RIGHT 7 005588 1 FAB BRACKET RIGHT 8 005589 1 FAB CD TRAY 9 005590 1 FAB TRANSFORMER TRAY 10 005591 1 FAB BOTTOM COVER 11 005592 1 FAB TOP COVER 12 005686 1 FAB BRACKET HEADPHONE 13 016534 1 GLASS MCD201 14 017517 8 PUSHBUTTON ASSY 15 017531 1 PUSHBUTTON ASSY RED 16 017687 3 CLAMP CABLE 17 163026 3LOGO PUSHBUTTON BACKLIGHT 18 163027 2TITLE/PUSHBUTTON BACKLIGHT 19 017933 6 CIRCUIT BOARD SUPPORT 20 017937 4FOOT 21 017947 3 SUPPORT CIRCUIT BOARD 22 017994 1 BEZEL HEADPHONE JACK 1/4 IN 23 018611 2 ENDCAP 5IN 24 018705 1EXTRUSION TOP 25 018706 1EXTRUSION BOTTOM 26 019056 2 SPRING 27 021164 1 BUSHING SWITCH FOR 14625600 28 024036 4 FOOT PAD .062 29 749637 1 ASSEMBLY KNOB 34 MTRC W/O IDX 30 749695 1 ASSEMBLY KNOB 34 INDEX METRIC 31 750293 1 ASSY PCB MAIN 32 750294 1 ASSY PCB DISPLAY 33 750295 1 ASSY PCB CONTROL 34 750296 1 ASSY PCB HEADPHONE 35 078031 2GROMMET 36 078033 10O-RING 37 094016 33 TAPE FOAM 1/4 X 1/8 IN 38 094360 16 TAPE FOAM 1/2 X 1/2 IN 39 098113 18 CORD DIAL .027 NATRL BRAID SLK 40 400147 8 SCREW MACH 6-32 X 3/16 PHIL41 400159 4 SCREW MACH 10-32X3/4 PH PN BLK 42 400250 15 SCREW MACH SEMS 6-32X1/4 PH PN 43 400300 2 SCREW MACH SEMS 6-32X1 PH PAN 44 100378 1 SCR MACH 2-56X1/8 PH PAN BRASS 45 401054 18 SCREW TAPTT 6-32X1/4 PH PN BLK 46 401058 1 SCREW TAP 6-32X1/4 PHIL PAN 47 401078 4 SCREW TAP 8-32X5/16 PH PN BLK 48 401196 22 SCREW TAP SEMS 6-32X1/4 PH PAN 49 101197 12 SCREW HI/LO 4-24X3/8 PH RD BLK 50 401222 1 SCREW TT SEMS 6-32X1/4 PH PAN 51 401232 3 SCREW 6-32 X 1/4 PHIL FLAT 52 401249 4 SCREW TAPTT M3X8MM PH PAN BLK 53 402001 4 NUT KEP 4-40 ZINC PLATE 54 402003 1 NUT MACH 6-32 SELF-LOCK 55 402045 4 NUT KEP 6-32 SPECIAL 56 104017 2 WASHER FELT BLK 3/4X1/4X1/16 57 404080 4 WASHER FLAT #10 CLEAR ZINC 58 104137 2 WASHER FIBR .125ID .312OD .062 59 117946 1 RECEPTACLE INPUT & LINE FILTER 60 117889 1 MTA CONNECTOR 8PIN .156 61 159334 1 TRANSFORMER R-CORE POWER 62 163002 4 SUPPORT CIRCUIT BOARD 1/2 IN 63 163005 1MOLDING DOOR MCD201 64 166034 1 LABEL INTERNAL LASER WARNING 65 171723 1 CABLE ASSY RECEPTACLE/GND WIRE 66 171724 1 CABLE ASSY CHASSIS GROUND 67 171546 1 CABLE 8 COND FLAT FLEXIBLE 69 171637 1 CABLE ASSY 3 CONDUCTOR 1-ROW 70 171638 1 CABLE ASSY 7 CONDUCTOR 1-ROW 71 171639 1 CABLE ASSY 6 CONDUCTOR 2-ROW 72 171640 1 CABLE ASSY 16 CONDUCTOR 2-ROW 73 171641 1 CABLE ASSY 18 CONDUCTOR 2-ROW 74 171642 1 CABLE ASSY 14 CONDUCTOR 1-ROW 75 171741 1 CABLE ASSY HEADPHONE 76 171669 1 CABLE ASSY AC RECEPT WHT 77 171670 1 CABLE ASSY AC RECEPT BLK 78 320231 1 SACD/CD MECHANISM ASSY 79 401042 4 SCR TC 4-40X1/2 SLT FLLSTR YEL 80 017781 1 BEZEL FRONT 34 ASSEMBLY Parts List Ref # P/N Qty Description