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McIntosh MC402 Service Manual

McIntosh MC402
22 pages
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Q31 Q36 Q67 Q70 Q78 Q80 TRANSISTOR NPN MPS4124 13222300
Q34 Q35 Q37 Q38 Q39 Q59 Q66 TRANSISTOR PNP SI MPS4126 13222400
Q40 Q41 Q42 Q43 TRANSISTOR PNP 13226100
Q55 Q56 Q57 Q58 TRANSISTOR NPN 13226200
Q68 Q69 Q72 Q73 Q79 TRANSISTOR PNP 2SA1016K 13225500
Q71 Q74 Q75 Q76 Q77 TRANSISTOR NPN 13225400
R2 R4 R30 R57 R64 R65 R83 R91 RES MF 866 1% 1/4W 14402800
R3 R27 R74 R80 FLAMEPROOF RES 47 OHM 5% 1/4W 13704200
R5 R62 R89 R100 RES CF 100 5% 1/4W 14102500
R6 R24 R31 R49 R150 R151 R152 R153 RES MF 221 OHMS 1% 1/4W 14417200
R7 R32 R101 RES CF 22K 5% 1/4W 14108000
R8 R33 R55 R81 RES MF 475K 1% 1/4W 14436400
R9 R15 R34 R40 RES CF 2.2M 5% 1/4W 14112400
R10 R12 R35 R37 RES MF 1.5K 1% 1/4W 14412800
R11 R25 R38 R50 RES MF 3.79K 0.5% 14439800
R13 R26 R36 R51 RES MF 6.49K .5% 1/4W 14440100
R14 R39 R59 R85 RES MF 174K 1% 1/4W 14435200
R16 R41 R66 R71 R73 R88 R93 RES MF 324 OHM 1% 1/4W 14433800
R17 R18 R19 R20 R21 R22 R23 R29 RES MF 365 1% 1/4W 14407100
R28 R52 R54 R56 RES MF 267 OHM 1% 1/4W 14417300
R42 R43 R44 R45 R46 R47 R48 R67 RES MF 365 1% 1/4W 14407100
R53 R69 R72 R75 R92 R95 R97 RES MF 3.32K 1% 1/4W 14409500
R58 R84 RES CF 4.7K 5% 1/4W 14106400
R60 R86 RES CF 1.0K 5% 1/4W 14104900
R61 R63 R87 R90 RES MF 47.5K 1% 1/4W 14410800
R68 R70 R94 R96 RES CF 680K 5% 1/4W 14111600
R76 R77 R78 R79 RES MF 100K 1% 1/4W 14411300
R98 RES MF 3.32K 1% 1/4W 14409500
R99 RES MF 324 OHM 1% 1/4W 14433800
R103 R105 RES CF 2.2K 5% 1/4W 14105700
R104 R106 R107 R108 RES CF 33K 5% 1/4W 14108400
R109 R111 R113 R115 WIRE RES: 4 OHMS 5% 5W 13911900
R110 R112 R114 R116 WIRE RES: 2 OHMS 10% 5W 13900500
S1 SLIDE SWITCH 14805900
049222 INPUT
C1 C2 C4 C6 ELECT CAP 10MF, 50V AMMO PACK 06644500
C7 C8 DISC CAP: 47PF, 20%, N470 50V 06119600
C9 C10 DISC CAP: .1MF, 25V, Y5T 06124800
C11 C12 DISC CAP: 22PF, 10%, NPO 50V 06119100
IC1 DUAL OPERATIONAL AMPLIFIER 13326000
J2- PJ261G PHON JACK, GOLD 11743600
J2 J3 J4 J11 J12 1/2 X 1" DOUBLE-SIDED TAPE 09419200
J2 J3 J4 J11 J12 ADHESIVE HOT MELT 09824900
J3 J4 XLR RECEPTACLE FEMALE 11768500
J7- MALE CONN: 10 POS 11721900
J11- J12- MINI JACK 11749400
R130 RES CF 100 5% 1/4W 14102500
R131 R133 R135 R138 R140 R142 RES MF 10K 1% 1/4W 14405300
R132 R136 R137 R139 RES MF 174K 1% 1/4W 14435200
S1 SLIDE SWITCH 14805900
049216 CAPACITOR
J1- J2- J3- J4- HEADER 2-PIN 0.156 11740400
J5 J6 J7 J8 FASTON BLADE W/FEET 11770800
049798 METER
C1 C2 CAP ELECT 1000UF 25V 06651300
C3 CAP ELECT 10UF 50V 06644500
C11 C12 CAP MPF 1UF 5% 63VDC 06433700
C14 C21 C22 C26 CAP MONO .1UF 50V 20% Z5U 06130500
C15 C16 C28 CAP MPF 0.22UF 5% 63VDC 06432900
C27 CAP ELECT 1UF 50V 06651000
C29 CAP ELECT 22UF 100V 06650600
C30 C31 CAP ELECT 3300UF 35V 06650900
D1 D2 D3 D4 D5 D6 D7 D9 D10 D13 D14 DIODE SILICON 07004700
D15 D16 D17 D18 D19 D21 D22 D23 D24 DIODE SILICON 07004700
D27 DIODE ZENER 6.2V 5% 500MW 07008500
D28 D29 DIODE SILICON 07004700
D30 D31 D32 DIODE RECTIFIER 07013100
J1 J2 CONN 11 POS MALE 11727900
J8 CONN 3 POS MALE MTS100 NORMAL 11721400
J9 CONN MALE 7 PIN 11721700
J10 CONN 4 PIN 11721500
J12 J15 J16 BLADE FASTON W/FEET 11770800
K1 RELAY 48VDC 08704900
Q1 Q2 Q3 Q4 Q14 Q15 Q16 Q17 Q20 TRANSISTOR NPN 13222300
Q8 Q9 Q24 Q25 TRANSISTOR NPN 13225400
Q18 TRANSISTOR PNP 13222400
Q19 TRANSISTOR P CHAN JUNCTION FET 13222600
Q23 TRIAC DRIVER OPTOCOUPLER 600V 13102200
R1 R2 POT TRIM 100K OHM 20% 13438300
R3 R16 RES MF 4.75K 1% 1/4W 14409700
R4 R13 R15 R42 RES MF 2.21K 1% 1/4W 14429800
R5 R14 R55 R57 RES MF 22.1K 1% 1/4W 14418700
R6 R17 R61 R62 RES MF 33.2K 1% 1/4W 14401500
R7 R11 R23 R37 RES MF 200K 1% 1/4W 14411700
R8 R32 RES MF 10M 1% 1/4W 14426400
R9 R33 RES MF 18.2K 1% 1/4W 14418100
R10 R34 R56 RES MF 100 OHM 1% 1/4W 14419600
R12 R41 R64 RES MF 2.74M 1/4W 14427100
R30 R31 R36 R40 R70 RES MF 150K 1% 1/4W 14441900
R35 R39 RES MF 8.25 OHM 1/4W 14417100
R52 R53 RES MF 187K 1% 1/4W 14440600
R54 R59 RES MF 1M 1/4W 14426900
R58 R67 RES MF 681 OHM 1% 1/4W 14419500
R60 RES MF 1.1K 1% 1/4W 14409100
R63 R65 R66 RES MF 12.1K 1% 1/4W 14415400
R68 RES WW 1.5K 10% 5W 13907900
R69 RES WW 2.7 OHM 10% 2W 13917300
R71 R72 RES MF 475K 1% 1/4W 14436400
T1 T2 TRANSFORMER CURRENT 15921500
U2 U3 U4 IC OPERATIONAL AMPLIFIER 13318900
U5 IC NAND SCHMIT 2-IN X 4 13319200
U6 IC REGULATOR 12V 13315600
U7 IC REGULATOR -12V 13315500
U21 IC REGULATOR +5 VOLT 13309300
049799 INDICATOR
D1 D2 LED AMBER 05813300
DS1 LED RED HIGH EFFICIENCY 05814800
DS2 DS3 DS4 LED GRN 5MM HI-INTENSITY 05816500
J1 CONN 11 POS MALE 11727900
J2 J5 CONN 4 PIN 11721500
J3 J4 HEADER 2 PIN LATCHING 11776600
R1 RES MF 365 OHM 1% 1/4W 14407100
R2 RES MF 619 1/4W 1% 14448500
049809 METER LED
DS1 DS2 DS5 DS6 LED BLU 5MM HI-INTENSITY 05816600
DS3 DS4 DS7 DS8 LED GRN 5MM HI-INTENSITY 05816500
J1 CONN 4 PIN RIGHT ANGLE 11724000
R1 R3 R5 R7 RES MF 221 OHM 1% 1/4W 14417200
R2 R4 R6 R8 POT TRIM 500 OHM 20% HORIZ ADJ 13441000
PARTS LIST con’t
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MC402

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McIntosh MC402 Specifications

General IconGeneral
Power Output400 watts per channel
Number of Channels2
Total Harmonic Distortion0.005%
Damping Factor>40
Dynamic Headroom1.8dB
Output Voltage2.8V RMS Unbalanced, 5.6V RMS Balanced
Frequency Response20Hz - 20kHz
Power Requirement120V 50/60Hz
Dimensions17.5 inches
Frequency Response Extended10Hz to 100kHz +0, -3dB

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