McIntosh-MC2102-pwr-sm 维修电路原理图.pdf

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1、SERVICE MANUALPerformance Specifications . 2Notes . 2Rear Panel . 3Section Location . 4Block Diagram . 5 - 6Interconnection Diagram . 7 - 8Input Schematic and PCB. 9 - 10Daughter Schematic and PCB. 11 - 13Amplifier Schematic and PCB . 11 - 12, 14Power Supply Schematic and PCB. 15 - 18Output Schemati

2、c and PCB. 17 - 18Remote Switch Schematic and PCB . 19 - 20Panel Lamp A Schematic and PCB. 19 - 20Panel Lamp B Schematic and PCB . 21Meter A & B Schematic and PCB . 22Parts List . 23 - 26Exploded Views and Parts Lists . 27 - 32Repacking Instruction . 33CONTENTSPOWER AMPLIFIERRadioFans.CN 收音机爱 好者资料库P

3、ERFORMANCE SPECIFICATIONS21. The heavy lines on the schematic denote the primarysignal path.2. Unless otherwise noted, all voltages indicated on theschematics 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 imped

4、ance (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 - Positiveb. Diodes - Cathodec. Others - Pin

5、 15.WARNINGParts marked with the symbol have criticalcharacteristics. Use only replacement parts recom-mended by the manufacturer.NOTESPower OutputMinimum sine wave continuous average power output perchannel, both channels operating is:100 watts into 2 ohm load100 watts into 4 ohm load100 watts into

6、 8 ohm loadPower Output Mono ParallelMiniumum sine wave continuous average power output is:200 watts into 1 ohm, 2 ohm or 4 ohm loadPower Output Mono BridgeMiniumum sine wave continuous average power output is:200 watts into 4 ohm, 8 ohm or 16 ohm loadRated Power Band20Hz to 20,000HzTotal Harmonic D

7、istortionMaximum Total Harmonic Distortion at any power levelfrom 250 milliwatts to rated power output is:0.5% for 2, 4 or 8 ohm loads (Stereo)0.5% for 1, 2 or 4 ohm loads (Mono Parallel)0.5% for 4, 8 or 16 ohm loads (Mono Bridge)Frequency Response+0, -0.25dB from 20Hz to 20,000Hz+0, -3dB from 10Hz

8、to 70,000HzSensitivity2.5 Volts Unbalanced Input5 Volts Balanced InputA-Weighted Signal To Noise Ratio100dBIntermodulation DistortionMaximum Intermodulation Distortion if instantaneouspeak output does not exceed twice the rated output,for any combination of frequencies from 20Hz to20,000Hz is:0.5% f

9、or 2, 4 or 8 ohm loads (Stereo)0.5% for 1, 2 or 4 ohm loads (Mono Parallel)0.5% for 4, 8 or 16 ohm loads (Mono Bridge)Input Impedance20,000 ohms Unbalanced Inputs40,000 ohms Balanced InputsWide Band Damping FactorGreater than 18Power Requirements100 Volts , 50/60Hz at 6.0 amps110 Volts , 50/60Hz at

10、5.5 amps120 Volts , 50/60Hz at 5.0 amps220 Volts , 50/60Hz at 2.5 amps230 Volts , 50/60Hz at 2.5 amps240 Volts , 50/60Hz at 2.5 ampsNote: Refer to the rear panel of the MC2102 for the correctvoltage.DimensionsFront Panel: 17-3/4 inches (45.08cm) wide, 10-1/8 inches(25.72cm) high. Depth behind front

11、mounting panel is 16inches (40.64cm). Clearance required in front of the FrontPanel is 1 inches (2.54cm) for knobs.Weight88 pounds (40kg) net, 121 pounds (54.9kg) in shipping cartonRadioFans.CN 收音机爱 好者资料库3MC2102TOP AND REAR PANEL4SECTION LOCATIONSBOTTOM VIEW WITH COVER REMOVEDBLOCK DIAGRAM56MC210278

12、INTERCONNECT19MC2102INPUT 049508210INPUT 04950821112DAUGHTER 0495073LMC21023RAMPLIFIER 0495174L 4R1314DAUGHTER 0495073L 3RAMPLIFIER 0495174L 4R1516POWER SUPPLY 0495095MC21021718POWER SUPPLY 0495095OUTPUT 0495106A1920REMOTE SWITCH 0495106BMC2102PANEL LAMP 0496467A2122PANEL LAMP 0496467BMETER 0496128A

13、METER 0496128B2324PARTS LISTMC2102INTERCONNECTC1 C2DISC CAP 0.0047MF06127600F1FUSE 6.3A 250V SLO BLO IEC08910400L1CHOKE, FILTER 0.5H 800MA12233700M1 M2METER, OUTPUT12407900SW1 SW2SWITCH, METER/POWER 2P3T14625300T1 T3OUTPUT TRANS (LESS DECAL 126714)04959000T2POWER TRANS (LESS DECAL 126713)04959100049

14、508 INPUTC1 C2 C3 C4 C5 C6CAP ELECT 4.7UF 50V06651200D1 D2 D3 D4 D5 D6 D7DIODE SILICON07004700J1 J3CONN 4 PIN11721500J2 J4 J6CONN MALE 5 PIN11721600J5RECEPTACLE 9 POSITION11772200K1 K2 K3 K4 K5 K6 K7 K8RELAY REED FORM 1A 5V 500 OHMS08705000K9RELAY REED FORM 1C 5V 125 OHM08705600R5 R6RES NETWORK 47KX

15、614445800049507 DAUGHTERC1CAP POLYPROP .047UF 10% 250VDC06436400C2CAP POLYPROP 1UF 20% 250VDC06443300C3CAP ELECT 100UF 6.3V06649800C4CAP DISC 22PF 500V06129300C6 C11CAP ELECT 10UF 100V06649200C7 C8CAP MPOLY 0.1UF 630VDC06443100C9CAP ELECT 10UF 250V06649300C10CAP ELECT 1000UF 16V NP06650000C12CAP M P

16、OLY .47UF 5% 50/63VDC06433300J1CONN MALE 5 PIN11721600J2CONN 4 PIN11721500J3 J4 J5RECEPTACLE 9 POSITION11772200K1 K2RELAY REED FORM 1C 5V 125 OHM08705600Q2TRANSISTOR N JFET13222200R1 R12RES MF 1M 1/4W14426900R2 R6RES MF 1.21K 1% 1/4W14419100R3 R7 R31RES MF 100K 1% 1/4W14411300R4RES MF 93.1K 1% 1/4W1

17、4441700R5RES MF 221K 1% 1/4W14442100R8 R9RES MF 18.2K 1% 1/4W14418100R13RES MF 332 1% 1/4W14444600R14RES MF 365 1% 1/4W14407100R15RES MF 28K 1% 1/4W14436700R18 R19RES MF 475K 1% 1/4W14436400R20 R21RES MF 1.5M 1% 1/4W14442200R22RES MF 40.2K 1% 1/4W14410700R23 R24RES MF 825K 1% 1/4W14446000R25RES MF 2

18、00K 1% 1/4W14411700R26 R27RES MF 61.9K 1% 1W14445500R28RES MF 47.5K 1% 1/4W14410800R29RES MF 100 1% 1/4W14419600R30RES MF 66.5K 1% 1/4W14445600R32POT TRIMMER 100K OHM 20%13438300R33POT TRIMMER 2K OHM 20%13438400R36RES MF 2.74M 1/4W14427100R37RES MF 10K 1% 1/4W14405300049517 AMPLIFIERC1CAP POLYPROP 1

19、UF 20% 250VDC06443300C2 C3CAP POLYPRP 0.22UF 20% 1000VDC06443200C4 C5 C8CAP ELECT 10UF 250V06649300C6CAP DISC 22PF 500V06129300C7CAP MONO 330PF 200V 10% NPO06131100C9CAP ELECT 47UF 450V06649700D1 D2 D3DIODE ZENER 200V 1.5W07014600D4 D5DIODE RECTIFIER07013100J1CONN MALE 6 PIN11769800J2HEADER 9 CIRCUI

20、T11772400J3 J4 J5HEADER 9 POSITION11772300L1 L2 L3 L4CHOKE 2.2 MH12200100R1RES MF 100K 1% 1/2W14442900R2 R3 R6 R7 R21RES MO 46-4K 1% 1W14443600R4 R5RES MF 1M 1% 1/2W14443200R8 R9RES MO 18K 5% 1W14428600R10 R11 R12 R13RES MF 1K OHM 1% 1/2W14430900R14 R15 R16 R17RES MO 220 5% 5W14446300R14 R15 R16 R17

21、 L1 L3SOLDER LUG .070 HOLE07502000R18RES MF 22.1K 1% 1/2W14442700R19RES MF 3.92K 1% 1/2W14442400R20RES MO 10K 5% 2W14443700R22RES MF 121K OHM 1% 1/2W14430800R23RES MF 82.5K 1% 1/2W14445900V1 V2 V3 V4SOCKET 9 PIN TUBE CERAMIC17817000V5 V6 V7 V8SOCKET OCTAL TUBE CERAMIC17816900049509 POWER SUPPLYC1CAP

22、 ELECT 22UF 100V06650600C2CAP MPOLY 0.1UF 630VDC06443100C3CAP POLY .047UF 10% 1000VDC06443400C4 C20CAP ELECT 47UF 250V06649600C5 C6 C7 C8CAP ELECT 1000MF 300V06652000C9 C11CAP ELECT 2200MF 25V06652200C10 C21 C22CAP ELECT 47UF 35V06644600C12 C25 C26CAP M POLY .22UF 5% 63VDC06432900C15 C16CAP M POLY 1

23、UF 5% 63VDC06433700C17 C18CAP MONO .1UF 50V 20% Z5U06130500C23CAP ELECT 4.7UF 50V06651200C27CAP ELECT 1UF 50V06651000C28 C29CAP POLY 680PF 5% 160VDC06429800D1 D2 D5 D6 D19DIODE SIL 400 PIV 1.5A07003100D3RECT BRIDGE 400V/0.9A07016800D4DIODE BRIDGE RECT 1000V 6A07016500D7 D8 D9 D10 D11 D12 D15DIODE SI

24、LICON07004700D16 D20 D21 D22 D23 D24DIODE SILICON07004700D25 D26 D27DIODE SILICON07004700F1FUSE 2A 250V SLO-BLO 5X20 IEC08908800F1 F2HOLDER FUSE 5X20MM17815900F2FUSE .25A 250V SLO-BLO08905900IC1IC REGULATOR 12V13315600IC2IC REGULATOR 5V13325000IC3IC -5V REGULATOR13325300IC4IC NAND SCHMIT 2-IN X 4133

25、19200IC5IC QUAD OP AMP TLC074CN13341900Part No.DescriptionReference No.2526PARTS LIST contJ1 J2 J7 J8 J14BLADE FASTON .18711772600J3 J4 J5 J9 J11 J12CONN MALE 6 PIN PCB MOUNT11769800J6HEADER 9 CIRCUIT11772400J10CONN 8 POS MALE11727500J15CONN MALE 7 PIN11721700J16CONN 3 POS MALE11729300J17CONN MALE 6

26、 POS11721800J25CONN MALE 3 POS11721400K1RELAY 48VDC TV-808705200OP1TRIAC OPTOCOUPLER13102400Q1TRANSISTOR P CHAN JUNCTION FET13222600Q2 Q5TRANSISTOR NPN13222300Q3 Q4 Q6 Q7TRANSISTOR NPN13225400Q8 Q9TRANSISTOR N JFET13222200R1RES WW 1.5K 10% 5W13907900R2RES MET OXIDE 30K 5% 2W RES14435300R6RES MF 22.1

27、K 1% 1/4W14418700R7RES MF 1K 1% 1/4W14409000R8RES MF 10K 1% 1/2W14442500R10 R11 R40RES MF 15K 1% 1/4W14441200R12 R13 R27 R45RES MF 200K 1% 1/4W14411700R14 R15RES MF 10K 1% 1/4W14405300R16 R43RES MF 10M 1% 1/4W14426400R18 R19RES MF 174K 1% 1/4W14435200R20 R21POT TRIMMER 100K OHM 20%13438300R26 R35 R3

28、7 R44RES MF 100 1% 1/4W14419600R28 R29 R46 R47RES MF 3920 OHM 1% 1/4W14419800R30 R36RES MF 1M 1/4W14426900R31RES MF 68.1 1% 1/4W14408200R32 R33RES CF 270K 5% 1/2W14155100R34RES CF 10 5% 1/4W14113600R38RES MF 95.3K 1% 1/4W14412700R41 R48RES MF 2.74M 1/4W14427100R49RES MF 1K OHM 1% 1/2W14430900RT1 RT2

29、SOLDER LUG .070 HOLE07502000RT1 RT2THERMISTOR 5 OHM14415100049510 REMOTE SWITCH/OUTPUTC1 C2POLYPRO 0.22MF 400V 20%06443800C3 C4CAP ELEC 2.2UF06651100J1HEADER 9 POSITION11772300J2CONN MALE 6 POS11721800J3BLADE FASTON .18711772600J4CONN MALE 3 POS11721400J5 J6HEADER 4 CIRCUIT POST11777200J7 J8JACK MIN

30、I WITH NUT11775800R1 R2RES WW 4 OHMS 5% 5W13911900S1SWITCH SLIDE 2P3T14807500S2SWITCH SLIDE DPDT 3MM14807400049646 PANEL LAMPDS1LED RED HIGH EFFICIENCY05814800DS2 DS3 DS4 DS5LAMP INCANDESCENT 14V 100MA05815300J1CONN MALE 3 POS11721400J2CONN 4 PIN11721500049612 METER LAMPDS1 DS2 DS3 DS4 DS5 DS6LAMP I

31、NCANDESCENT 14V 100MA05815300J1 J4CONN MALE 3 POS11722100J2CONN MALE 3 POS11721400J3CONN 4 PIN11721500MISC ITEMSPOST CARD SERVICE REPAIR039594OWNERS MANUAL040742TUBE 12AX7A165065TUBE 12AT7165067TUBE KT88165069LINE CORD SET 14GA VW1/PT2170937Part No.DescriptionReference No.28EXPLODED VIEW27MC21022930

32、EXPLODED VIEW32EXPLODED PARTS LIST311016438GLASS2049595KNOB ASSY3104164WASHER BLK FELT 1 X 1/4 X 1/164018678BOTTOM EXTRUSION5101172SCREW TC 6-32 X 1/4 PH FL U/C6018585TOP EXTRUSION7005144EXTRUSION BRACKET8018615END CAP 9”9101042SCREW TS 4-40 X SLOT FILLISTER10094016TAPE FOAM 1/4 X 1/811094360TAPE FO

33、AM 1/2 X 1/212098113DIAL CORD13017862PUSH-ON FOOT14092434FILTER METER15094017TAPE FOAM 1/4 X 1/416017839PLEXIGLAS PANEL17124079METER18092436FILTER PALE BLUE19092435FILTER AZURE BLUE20049646PANEL LAMP PCB ASSY21100157SCREW MACH 6-32 X 1/4 PHIL PAN22077025SLEEVING FIBERGLAS #523005134SUBPANEL24021159B

34、USHING SWITCH25146253SWITCH METER26052099LIGHT BOX METER27102001KEP NUT 4-40 CADMIUM PLATE28049612METER PCB ASSY29101150SCREW HI/LO 4-40 X 1/4 PHIL PAN30005137MAIN PCB SHIELD31005154DUST COVER BOTTOM32005153DUST COVER SIDE33005152DUST COVER TOP34126776DECAL TOP COVER35005126CHASSIS36165067TUBE 12AT7

35、37165065TUBE 12AX7A38117487RECEPTACLE AC LINE39178161FUSE HOLDER 5 X 20mm40117740BINDING POST RED41117741BINDING POST BLK42109018SCREW MACH M2.5 X 0.45 X 5mm LONG43052104CABLE ASSY RIGHT INPUT44052105CABLE ASSY LEFT INPUT45100195SCREW MACH 4 40 X 3/8 PH OVAL GLD46017761AIR PIPE47100292SCREW MACH 6-3

36、2 X 3/8 PH FH BLK48165069TUBE KT8849005155TUBE COVER50106055CLIP TINNERMAN51101219SCREW 6-32 X 5 TUBE COVER52049590OUTPUT TRANSFORMER53049591POWER TRANSFORMER54126714DECAL OUTPUT TRANSFORMER55126713DECAL POWER TRANSFORMER56049517AMP PCB ASSY57017859SPACER NYLON 6-32 X 7/1658101054SCREW TAPTITE 6-32

37、X 1/4 PH PAN BLK59049507DAUGHTER PCB ASSY60005135CHASSIS SUPPORT61017801RIVET PLASTIC62102006NUT MACH W/LOCK63017860SUPPORT PCB LOCKING64049509POWER PCB ASSY65126524DECAL FUSE REPLACEMENT66126527DECAL FUSE67122337CHOKE FILTER68102005NUT MACH 8-32 W/LOCK69049508INPUT PCB ASSY70005146INPUT PCB BRACKET

38、71049510REMOTE SW/OUTPUT72104162WASHER LOCK INTERNAL TOOTH73102051HEX NUT M9 X .75 GOLD PLATED74104165LW 3/8 INTERNAL GOLD TOOTH75104067WASHER LOCK #10 INTERNAL STAR76104078WASHER LOCK #8 INTERNAL STAR77005174SWITCH SPACER78017802WIRE CLAMP79005151BOTTOM COVER801010788-32 X 5/16 PH PAN BLK81017841FO

39、OT82100159SCREW MACH 10-32 X 3/4 PH PAN BLK83024010FOOT PAD84104016WASHER LOCK 1/2 INT STAR85126250DECAL GROUNDPart No.DescriptionItem No.33REPACKING INSTRUCTIONSSERVICE MANUALThe continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to impro

40、ve design withoutnotice. Because of the constant upgrading of McIntosh products circuitry and components, the Company cannot insure, and does not warrant, theaccuracy 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 040806POWER AMPLIFIERMC2102