McIntosh-MC206-pwr-sm 电路图维修手册.pdf

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1、SERVICE MANUAL Performance Specifications . 2 Notes . 2 Rear Panel . 3 Section Location . 3 Block Diagram . 4 Interconnection Diagram . 5 - 8 Multi-channel Schematic and PCB . 9 Heatsink Schematic and PCB. 10 - 12 Driver Schematic and PCB . 13 - 15 Capacitor Schematic and PCB . 15 - 16 Meter Schemat

2、ic and PCB . 17 - 21 Parts List . 22 - 24 Exploded Views and Parts Lists . 25 - 28 Repacking Instruction . 29 CONTENTS POWER AMPLIFIER RadioFans.CN 收音机爱好者资料库 PERFORMANCE SPECIFICATIONS 2 1. The heavy lines on the schematic denote the primary signal path. 2. Unless otherwise noted, all voltages indi

3、cated 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 micr

4、ofarads (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 manu

5、facturer. NOTES Power Output Minimum sine wave continuous average power output per channel, all channels operating is: 200 watts into 4 ohm load 120 watts into 8 ohm load Rated Power Band 20Hz to 20,000Hz Total Harmonic Distortion Maximum Total Harmonic Distortion at any power level from 250 milliwa

6、tts to rated power output is: 0.005% for 4 or 8 ohm loads Dynamic Headroom 1.6dB Frequency Response +0, -0.25dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz Sensitivity 1 volt A-Weighted Signal To Noise Ratio 92dB (113dB below rated output) Intermodulation Distortion Maximum Intermodulation

7、 Distortion if instan- taneous peak output per channel does not exceed twice the rated output, for any combination of frequencies from 20Hz to 20,000Hz, with all channels operating is: 0.005% for 4 or 8 ohm loads Input Impedance 10,000 ohms Wide Band Damping Factor 100 at 4 ohms 200 at 8 ohms Power

8、Requirements 100 Volts, 50/60Hz at 13.2 amps 110 Volts, 50/60Hz at 12.0 amps 120 Volts, 50/60Hz at 11.0 amps 220 Volts, 50/60Hz at 6.0 amps 230 Volts, 50/60Hz at 6.0 amps 240 Volts, 50/60Hz at 6.0 amps Note: Refer to the rear panel of the MC206 for the correct voltage. Dimensions Front Panel: 17-1/2

9、 inches (44.45cm) wide, 7-1/8 inches (18.10cm) 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 57 pounds (25.9kg) net, 76 pounds (34.5kg) in shipping carton RadioFans.CN 收音机爱好者资料库 3 MC206 REAR PANEL

10、SECTION LOCATIONS TOP VIEW WITH COVER REMOVED RadioFans.CN 收音机爱好者资料库 4 BLOCK DIAGRAM 56 INTERCONNECT MC206 87 91210 MULTI-CHANNEL 048551B 11 2HEATSINK 0495523 A B C 1314 MC206 DRIVER 049553 4 A B C 1516 DRIVER 049553 4 A B C CAPACITOR 0495515 17 MC206 METER 0495546 181920 METER 0495546PARTS LIST IN

11、TERCONNECT C1.22uF CAPACITOR05200500 D1BRIDGE RECTIFIER07013900 F115A 250V FUSE08904200 M1 M2 M3PANEL METER12406400 RT1 RT2THERMISTOR05200800 S1METER SWITCH14625000 S2POWER SWITCH14624300 T1TRANSFORMER04898000 TB1TERMINAL BLOCK07409100 TB2 TB3 TB4 TB5 TB6 TB7SPEAKER TERMINAL08412400 049551B MULTI-CH

12、ANNEL PCB J1-CONN D 25-PIN11750100 J2- J3- J4- J16- J18- J19-CONN 4 PIN11721500 J20- J21-JACK MINI11749400 R9RES MF 100 1% 1/4W14419600 R11 R12RES MF 1K 1% 1/4W14409000 049552 HEATSINK PCB C1 C2 C10 C11CAP ELECT 47UF 35V06644600 C3 C15CAP MONO .1UF 50V 20% Z5U06130500 C4CAP POLYPROP 0.15UF 10% 250VD

13、C06436300 C7 C8 C12 C13CAP MONO 100PF 100V 10% NPO06130000 C9 C16 C17 C18CAP MONO .01UF 50V 20% X7R06130400 D1 D2 D3 D4 D5 D8 D9 D10 D11 D12DIODE SILICON07004700 D6 D7 D13 D14DIODE RECTIFIER07013100 J1- J2-CONN MALE 9 POS FRICTION LOCK11724400 J3-CONN HEADER 2 PIN 0.15611740400 J10 J11CONN MALE 2 PI

14、N11721300 Q1 Q12 Q5 Q14TRANSISTOR NPN13222300 Q2 Q13TRANSISTOR PNP13222400 Q3 Q18TRANSISTOR NPN POWER13226800 Q4 Q17TRANSISTOR PNP POWER13226700 Q6 Q16TRANSISTOR NPN13226200 Q7 Q15TRANSISTOR PNP13226100 Q8 Q10 Q21 Q22 Q25 Q26TRANSISTOR PNP POWER13223900 Q9 Q11 Q19 Q20 Q23 Q24TRANSISTOR NPN POWER1322

15、3800 R1 R8 R20 R27RES MF 221 1% 1/4W14417200 R2 R9 R22 R24RES MET OX 680 5% .5W13709300 R3 R10 R21 R25RES MF 15K 1% 1/4W14441200 R6 R11 R19 R26RES MET OX 1.8K 5% .5W13709400 R7 R23RES MET OX 430 5% .5W13709500 R12 R18RES MET OX 47 5% .5W13709600 R13 R28POT TRIM 200 OHM 20% HORIZ AD13439000 R39RES MF

16、 2.21 OHM 1/4W 1%14437800 R40 R41 R42 R43 R44 R45RES WW DUAL .47 OHM 5% 5W13919900 RT1THERMISTOR 10014427900 049553 DRIVER PCB C1 C15 C32 C33CAP MONO .1UF 50V 20% Z5U06130500 C22 C44CAP ELECT 100UF 25V06644700 C27 C28CAP MONO 100PF 100V 10% NPO06130000 C29 C30CAP ELECT 47UF 35V06644600 C31 C39CAP EL

17、ECT 0.47UF 50V 20%06624400 C35 C36 C37 C38 C50 C51 C200CAP ELECT 10UF 100VDC06646200 C40CAP ELECT 220UF 50V 20%06625400 C47 C48CAP POLYPROP .047UF 10% 250VDC06436400 C55CAP MONO .01UF 50V 20% X7R06130400 IC1IC DUAL OPERATIONAL AMPLIFIER13326000 J1JACK PHONO GOLD PJ261G11743600 J5- J6-CONN MALE 9 POS

18、 FRICTION LOCK11724400 J7-CONN 8 POS MALE FRICTION LOCK11727500 J8- J9- J10-CONN HEADER 2 PIN 0.15611740400 J11-CONN 4 PIN11721500 K1RELAY 24VDC 5A 277VAC08705700 L1 L2CHOKE OUTPUT .65UH12229700 LD1 LD2LDR NETWORK VTL5C914417900 Q1 Q7 Q14 Q25 Q26 Q27 Q28 Q39TRANSISTOR PNP13222400 Q2 Q10 Q11 Q23 Q24

19、Q38TRANSISTOR PNP 120V13225500 Q5 Q8 Q9 Q19 Q20 Q29 Q30 Q34TRANSISTOR NPN13225400 Q6 Q12 Q13 Q15 Q16 Q35 Q42 Q44TRANSISTOR NPN13222300 Q17 Q21TRANSISTOR NPN13226200 Q18 Q22TRANSISTOR PNP13226100 Q40 Q43TRANSISTOR PNP13222400 R1 R2POT GAIN CONTROL 10K OHM13448600 R19 R27 R29 R84 R94 R122RES MF 47.5K

20、1% 1/4W14410800 R20 R28 R30 R31 R37 R65 R66 R91RES MF 681K 1% 1/4W14444300 R22 R34 R45 R64 R83RES MF 10K 1% 1/4W14405300 R36 R97RES 511 1% 1/4W14412300 R38 R89 R92 R101RES MF 1.21K 1% 1/4W14419100 R41 R55 R96 R98RES MF 3.32K 1% 1/4W14409500 R44 R49RES MF 1.1K 1% 1/4W14409100 R46 R47 R86RES MF 4.75K

21、1% 1/4W14409700 R48 R61 R67 R68 R123RES MF 100 1% 1/4W14419600 R50 R87RES MF 14.7K 1% 1/4W14414900 R51 R53 R76 R99RES MF 221 1% 1/4W14417200 R52 R75 R105 R108RES MF 267K 1% 1/4W14411800 R56 R60RES FP 22 OHM 1/4W 5%13703300 R59RES MF 2.21 OHM 1/4W 1%14437800 R62 R69 R93 R104RES MF 22.1K 1% 1/4W144187

22、00 R77 R79 R80 R82 R113 R114 R119 R120RES CF 10 5% 1/2W14116500 R118 R121RES MF 5.62OHM 1% 1/4W14416800 049551 CAPACITOR PCB C3CAP ELECT 22UF 100V06650600 C4CAP M POLY .22UF 5% 63VDC06432900 C5CAP ELECT 10UF 50V06644500 D1DIODE RECTIFIER07013100 IC1IC NAND SCHMIT 2-IN X 413319200 J4- J16-CONN 4 PIN1

23、1721500 J5-CONN MALE 7 PIN11721700 J8- J9- J10- J11- J12- J13-CONN HEADER 2 PIN 0.15611740400 J14 J15 J16 J17 J23BLADE FASTON 1/4 INCH11734200 J22-CONN MALE 3 POS MTS100 NORMAL11721400 K1RELAY 48VDC08704900 Q1TRIAC OPTOCOUPLER13102400 R1RES MF 1K 1% 1/4W14409000 R2 R4 R10RES MF 33.2K 1% 1/4W14401500

24、 R3RES MF 1M 1/4W14426900 R5RES MF 100 1% 1/4W14419600 R7RES WW 1K 5W 10%13912100 049554 METER PCB C7 C200 C201 C205 C206 C207 C208 C218 CAP MONO .1UF 50V 20% Z5U06130500 C9 C217CAP ELECT 3300UF 35V06650900 C11CAP ELECT 22UF 50V06634500 C204 C215 C216 C219 C220CAP ELECT 100UF 25V06644700 C209 C210 C

25、211 C212 C213 C214CAP ELECT 2.2UF 50V06651100 D14 D46DIODE RECTIFIER07013100 D15 D16 D17 D18 D19 D20 D21 D22 D23 DIODE SILICON07004700 D24 D25 D26 D27 D28 D29 D30 D31 D32 DIODE SILICON07004700 D33 D34 D35 D36 D37 D38 D47 D48 D49 DIODE SILICON07004700 D40 D41 D42 D43 D44 D45LED BAR RED05813900 D50 D5

26、1 D52DIODE ZENER 16V 5% 500MW07011400 D53 D54 D55DIODE SILICON07004700 DS7 DS8 DS9 DS10 DS11 DS12LED AMBER05813300 DS20LED RED HIGH EFFICIENCY05814800 DS21 DS22 DS23 DS24 DS25 DS26 DS27 LAMP 14V05812000 DS27 DS28 DS29 DS50SOCKET LAMP 0.125 PINS .110 HI17816200 DS28 DS29 DS31 DS32 DS33 DS50LAMP 14V05

27、812000 F1HOLDER FUSE 5X20MM PCB MOUNT17815900 IC1 IC2 IC3IC QUAD OPAMP NJM4741D13331200 IC4 IC5 IC6IC QUAD ANALOG SW13311700 IC20IC REGULATOR +5 VOLT13309300 IC21IC REGULATOR -12V13315500 IC22IC REGULATOR 12V13315600 J1- J2- J3-CONN 8 POS MALE FRICTION LOCK11727500 J4-CONN MALE 3 POS MTS100 NORMAL11

28、721400 J6- J8- J9- J17- J18-CONN 4 PIN11721500 J10- J11-CONN 13 POS11729800 J12- J13- J14-HEADER 2 PIN .10011769000 J16-CONN MALE 5 PIN 0.1 POST ASSY11721600 J18 J19BLADE FASTON 1/4 INCH11734200 K1RELAY 24VDC 5A 277VAC08705700 Q8 Q10 Q11 Q12 Q13 Q14 Q15 Q22TRANSISTOR NPN13222300 Q25 Q35 Q57 Q58 Q59

29、Q60 Q61 Q62TRANSISTOR PNP13222400 Q32 Q33TRANSISTOR POWER N-CHN ENHANCE13224200 Q34 Q36 Q37 Q38 Q39 Q40 Q41 Q50TRANSISTOR NPN13222300 Q51 Q52 Q53 Q54 Q55 Q56TRANSISTOR NPN13222300 R2 R3 R4 R5 R6 R7RES MF 681 1% 1/4W14419500 R30RES MF 681K 1% 1/4W14444300 R98 R148 R166 R169 R172 R174 R181RES MF 150K

30、1% 1/4W14441900 R100 R101 R138 R149 R162 R163RES MF 20.0 1/4W14417400 R102 R106 R110 R114 R129 R144 R202RES MF 100K 1% 1/4W14411300 R103 R151 R164 R167 R170 R176RES MF 5.62K OHM 1% 1/4W14444700 R104 R119 R132 R133 R135 R136RES MF 15K 1% 1/4W14441200 R105 R127 R137RES MF 4.75M 1/4W 1%14437900 R107 R1

31、08 R109 R118 R120 R122 R141RES MF 3.32K 1% 1/4W14409500 R111 R116 R134 R145 R160 R161 R192RES MF 178K 1% 1/4W14442000 R112 R117 R121 R124 R131 R140 R171RES MF 10K 1% 1/4W14405300 R115 R126 R128 R177 R178RES 26.7K 1% 1/4W14410500 R123 R146 R156 R195RES MF 221 1% 1/4W14417200 R125 R130 R139RES MF 90.9

32、K 1% 1/4W14417000 R142 R143 R194RES MF 3.32K 1% 1/4W14409500 R175 R199RES MF 10K 1% 1/4W14405300 R180RES MF 18.2K 1% 1/4W14418100 R185 R186 R187POT TRIMMER 5K OHM 20%13438700 R188 R193RES MF 3.16K 1% 1/4W14419900 R189RES MF 7.5K 1% 1/4W14421000 R190RES MF 47.5K 1% 1/4W14410800 R191 R197RES MF 12.1K

33、1% 1/4W14415400 R196 R200 R201 R203 R204 R205 R206RES MF 178K 1% 1/4W14442000 R198RES MF 5.11K 1% 1/4W14408300 R207 R208RES MF 178K 1% 1/4W14442000 Reference No.DescriptionPart No. 21222324 2526 MC206 EXPLODED VIEW MC206 2728 MC206 EXPLODED VIEW PARTS LIST 1016446GLASS 2049319KNOB ASSY 3104017WASHER

34、 FILT BLK 3/4 X1/4 X 1/16 4004801BRACKET EXTRUSION 5018612END CAP 7” 6101042SCREW TS 4-40 X 1/2 SLOT FILLISTER 7094360TAPE FOAM 1/2 X 1/2 8018588EXTRUSION BOTTOM 9101172SCREW TC 6-32 X 1/4 PH FL U/C 10018587EXTRUSION TOP 11094016TAPE FOAM 1/4 X 1/8 12017855PLEXIGLAS 13092413ACETATE FILTER BLUE 14005

35、001SUB PANEL 15021159BUSHING SWITCH 16146243POWER SWITCH (W/LOCKWASHER) 17146250METER SWITCH (W/LOCKWASHER) 18101054SCREW TAPTITE 6-32 X 1/4 PH PAN 19094017TAPE FOAM 1/4 X 1/4 20049554METER PCB ASSY 21112086SPACER NYLON 22077031SLEEVING FIBERGLAS #2 23102001NUT KEP 4-40 CADMIUM PLATE 24112051SPACER

36、1/8” NYLON 25124080METER 26092341FILTER AZURE BLUE 27092342FILTER PALE BLUE 28017447LIGHT BOX PLASTIC 29114072RIVET NYLON POP-IN 30004798TOP COVER 31101078SCREW TAP 8-32 X 5/16 PH PAN BLK 32021094SPACER #4 X 1/4 33004791TRAY 34101163SCREW TC 8-32 X 1/4 PH PN TYPE F 35106007SPRING CLIP LATCH TYPE 360

37、84135PAD THERMAL 37104005WASHER FLAT STEEL 6 X 3/8 X .032 38102045NUT KEP 6-32 SPECIAL 39070139DIODE BRIDGE RECTIFIER 40074091TERMINAL BLOCK AC 41102022NUT MACH 4-40 X 3/16 X 1/16 42104004WASHER LOCK 5 X .255 INT STAR 43104001WASHER FLAT STEEL 4 X 9/32 X .025 44003855CLAMP CAPACITOR 45100118SCREW MA

38、CH 6-32 X 1/2 PH PN 46066480CAP ELECT 47049551CAPACITOR PCB ASSY 48100188SCREW MACH SEMS 10-32 X 3/8 49048980TRANSFORMER ASSY 50098113DIAL CORD 51018671HEATSINK 52084183ISOSTRATE 53112087SPACER PCB 1/4” 54101202SCREW SM 6-20 X 3/4 PH PN TYPE B 55101059SCREW 6 X 5/8 PH PN TYPE A 56114119CLIP TRANSIST

39、OR 214 57114118CLIP TRANSISTOR 218 58049552HEATSINK PCB ASSY 59049553DRIVER PCB ASSY 60022185SPACER #6 X 1/2 61112088SUPPORT CIRCUIT BOARD 62005156REAR PANEL 63078122HOLDER FUSE SOCKET UL/CSA 64112032SPACER BLACK NYLON 65104016WASHER INT STAR .5 X .630 X .022 66117487RECEPTACLE AC LINE 67084124POST

40、DUAL BINDING 68004800PLATE OUTPUT 69104130WASHER LOCK #10 SPLT PHOS/BRNZ 70104148WASHER PLAT BRASS 71110009NUT M5 X 0.8 BRASS W/GOLD PLATE 72102020NUT MACH 6-32 SELF-LOCK 73112015STANDOFF 74104142WASHER LOCK 2.5mm INT STAR ZINC 75101114SCREW SM 4-24 X 1/2 PH PN TYPE A 76100271SCREW MACH SEMS 6-32 X

41、1/4 PH PN 77101176SCREW TC 6-32 X PH PN TYPE F 78100120SCREW MACH 10-32 X 1/4 PH PN ZINC 79104067WASHER LOCK #10 INT STAR 80005175CHASSIS 81017218FOOT PLASTIC BLACK 82104080WASHER FLAT #10 CLEAR ZINC 83100159SCREW 10-32 X 3/4 PH PN BLK 84101109SCREW TAP 6-32 X 5/16 PH PN BLK Ref No.Description Part

42、No. 29 MC206 REPACKING INSTRUCTION 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 040818 POWER AMPLIFIER SERVICE MANUAL