McIntosh-MC2102-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 . 4 Block Diagram . 5 - 6 Interconnection Diagram . 7 - 8 Input Schematic and PCB. 9 - 10 Daughter Schematic and PCB. 11 - 13 Amplifier Schematic and PCB . 11 - 12, 14 Power Supply Schematic and PCB. 15 - 18 Outp

2、ut Schematic and PCB. 17 - 18 Remote Switch Schematic and PCB . 19 - 20 Panel Lamp A Schematic and PCB. 19 - 20 Panel Lamp B Schematic and PCB . 21 Meter A & B Schematic and PCB . 22 Parts List . 23 - 26 Exploded Views and Parts Lists . 27 - 32 Repacking Instruction . 33 CONTENTS POWER AMPLIFIER Rad

3、ioFans.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 indicated on the schematics are measured under the following conditions: a. AC input at 120 volts, 50/60Hz. b. All voltages are +/-10% with re

4、spect 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 - Positiv

5、e 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. NOTES Power Output Minimum sine wave continuous average power output per channel, both channels operating is: 100 watts into 2 o

6、hm load 100 watts into 4 ohm load 100 watts into 8 ohm load Power Output Mono Parallel Miniumum sine wave continuous average power output is: 200 watts into 1 ohm, 2 ohm or 4 ohm load Power Output Mono Bridge Miniumum sine wave continuous average power output is: 200 watts into 4 ohm, 8 ohm or 16 oh

7、m load Rated Power Band 20Hz to 20,000Hz Total Harmonic Distortion Maximum Total Harmonic Distortion at any power level from 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) Frequen

8、cy Response +0, -0.25dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 70,000Hz Sensitivity 2.5 Volts Unbalanced Input 5 Volts Balanced Input A-Weighted Signal To Noise Ratio 100dB Intermodulation Distortion Maximum Intermodulation Distortion if instantaneous peak output does not exceed twice the rated

9、 output, for any combination of frequencies from 20Hz to 20,000Hz 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) Input Impedance 20,000 ohms Unbalanced Inputs 40,000 ohms Balanced Inputs Wide Band Damping Factor Grea

10、ter than 18 Power Requirements 100 Volts , 50/60Hz at 6.0 amps 110 Volts , 50/60Hz at 5.5 amps 120 Volts , 50/60Hz at 5.0 amps 220 Volts , 50/60Hz at 2.5 amps 230 Volts , 50/60Hz at 2.5 amps 240 Volts , 50/60Hz at 2.5 amps Note: Refer to the rear panel of the MC2102 for the correct voltage. Dimensio

11、ns Front Panel: 17-3/4 inches (45.08cm) wide, 10-1/8 inches (25.72cm) high. Depth behind front mounting panel is 16 inches (40.64cm). Clearance required in front of the Front Panel is 1 inches (2.54cm) for knobs. Weight 88 pounds (40kg) net, 121 pounds (54.9kg) in shipping carton RadioFans.CN 收音机爱 好

12、者资料库 3 MC2102 TOP AND REAR PANEL RadioFans.CN 收音机爱 好者资料库 4 SECTION LOCATIONS BOTTOM VIEW WITH COVER REMOVED BLOCK DIAGRAM 5 6 MC2102 78 INTERCONNECT1 9 MC2102 INPUT 0495082 10 INPUT 0495082 1112 DAUGHTER 049507 3L MC2102 3R AMPLIFIER 0495174L 4R 1314 DAUGHTER 049507 3L 3R AMPLIFIER 049517 4L 4R 1516

13、 POWER SUPPLY 0495095 MC2102 1718 POWER SUPPLY 0495095 OUTPUT 0495106A 1920 REMOTE SWITCH 0495106B MC2102 PANEL LAMP 0496467A 2122 PANEL LAMP 0496467BMETER 0496128AMETER 0496128B 2324 PARTS LIST MC2102 INTERCONNECT C1 C2DISC CAP 0.0047MF06127600 F1FUSE 6.3A 250V SLO BLO IEC08910400 L1CHOKE, FILTER 0

14、.5H 800MA12233700 M1 M2METER, OUTPUT12407900 SW1 SW2SWITCH, METER/POWER 2P3T14625300 T1 T3OUTPUT TRANS (LESS DECAL 126714)04959000 T2POWER TRANS (LESS DECAL 126713)04959100 049508 INPUT C1 C2 C3 C4 C5 C6CAP ELECT 4.7UF 50V06651200 D1 D2 D3 D4 D5 D6 D7DIODE SILICON07004700 J1 J3CONN 4 PIN11721500 J2

15、J4 J6CONN MALE 5 PIN11721600 J5RECEPTACLE 9 POSITION11772200 K1 K2 K3 K4 K5 K6 K7 K8RELAY REED FORM 1A 5V 500 OHMS08705000 K9RELAY REED FORM 1C 5V 125 OHM08705600 R5 R6RES NETWORK 47KX614445800 049507 DAUGHTER C1CAP POLYPROP .047UF 10% 250VDC06436400 C2CAP POLYPROP 1UF 20% 250VDC06443300 C3CAP ELECT

16、 100UF 6.3V06649800 C4CAP DISC 22PF 500V06129300 C6 C11CAP ELECT 10UF 100V06649200 C7 C8CAP MPOLY 0.1UF 630VDC06443100 C9CAP ELECT 10UF 250V06649300 C10CAP ELECT 1000UF 16V NP06650000 C12CAP M POLY .47UF 5% 50/63VDC06433300 J1CONN MALE 5 PIN11721600 J2CONN 4 PIN11721500 J3 J4 J5RECEPTACLE 9 POSITION

17、11772200 K1 K2RELAY REED FORM 1C 5V 125 OHM08705600 Q2TRANSISTOR N JFET13222200 R1 R12RES MF 1M 1/4W14426900 R2 R6RES MF 1.21K 1% 1/4W14419100 R3 R7 R31RES MF 100K 1% 1/4W14411300 R4RES MF 93.1K 1% 1/4W14441700 R5RES MF 221K 1% 1/4W14442100 R8 R9RES MF 18.2K 1% 1/4W14418100 R13RES MF 332 1% 1/4W1444

18、4600 R14RES MF 365 1% 1/4W14407100 R15RES MF 28K 1% 1/4W14436700 R18 R19RES MF 475K 1% 1/4W14436400 R20 R21RES MF 1.5M 1% 1/4W14442200 R22RES MF 40.2K 1% 1/4W14410700 R23 R24RES MF 825K 1% 1/4W14446000 R25RES MF 200K 1% 1/4W14411700 R26 R27RES MF 61.9K 1% 1W14445500 R28RES MF 47.5K 1% 1/4W14410800 R

19、29RES MF 100 1% 1/4W14419600 R30RES MF 66.5K 1% 1/4W14445600 R32POT TRIMMER 100K OHM 20%13438300 R33POT TRIMMER 2K OHM 20%13438400 R36RES MF 2.74M 1/4W14427100 R37RES MF 10K 1% 1/4W14405300 049517 AMPLIFIER C1CAP POLYPROP 1UF 20% 250VDC06443300 C2 C3CAP POLYPRP 0.22UF 20% 1000VDC06443200 C4 C5 C8CAP

20、 ELECT 10UF 250V06649300 C6CAP DISC 22PF 500V06129300 C7CAP MONO 330PF 200V 10% NPO06131100 C9CAP ELECT 47UF 450V06649700 D1 D2 D3DIODE ZENER 200V 1.5W07014600 D4 D5DIODE RECTIFIER07013100 J1CONN MALE 6 PIN11769800 J2HEADER 9 CIRCUIT11772400 J3 J4 J5HEADER 9 POSITION11772300 L1 L2 L3 L4CHOKE 2.2 MH1

21、2200100 R1RES MF 100K 1% 1/2W14442900 R2 R3 R6 R7 R21RES MO 46-4K 1% 1W14443600 R4 R5RES MF 1M 1% 1/2W14443200 R8 R9RES MO 18K 5% 1W14428600 R10 R11 R12 R13RES MF 1K OHM 1% 1/2W14430900 R14 R15 R16 R17RES MO 220 5% 5W14446300 R14 R15 R16 R17 L1 L3SOLDER LUG .070 HOLE07502000 R18RES MF 22.1K 1% 1/2W1

22、4442700 R19RES MF 3.92K 1% 1/2W14442400 R20RES MO 10K 5% 2W14443700 R22RES MF 121K OHM 1% 1/2W14430800 R23RES MF 82.5K 1% 1/2W14445900 V1 V2 V3 V4SOCKET 9 PIN TUBE CERAMIC17817000 V5 V6 V7 V8SOCKET OCTAL TUBE CERAMIC17816900 049509 POWER SUPPLY C1CAP ELECT 22UF 100V06650600 C2CAP MPOLY 0.1UF 630VDC0

23、6443100 C3CAP POLY .047UF 10% 1000VDC06443400 C4 C20CAP ELECT 47UF 250V06649600 C5 C6 C7 C8CAP ELECT 1000MF 300V06652000 C9 C11CAP ELECT 2200MF 25V06652200 C10 C21 C22CAP ELECT 47UF 35V06644600 C12 C25 C26CAP M POLY .22UF 5% 63VDC06432900 C15 C16CAP M POLY 1UF 5% 63VDC06433700 C17 C18CAP MONO .1UF 5

24、0V 20% Z5U06130500 C23CAP ELECT 4.7UF 50V06651200 C27CAP ELECT 1UF 50V06651000 C28 C29CAP POLY 680PF 5% 160VDC06429800 D1 D2 D5 D6 D19DIODE SIL 400 PIV 1.5A07003100 D3RECT BRIDGE 400V/0.9A07016800 D4DIODE BRIDGE RECT 1000V 6A07016500 D7 D8 D9 D10 D11 D12 D15DIODE SILICON07004700 D16 D20 D21 D22 D23

25、D24DIODE SILICON07004700 D25 D26 D27DIODE SILICON07004700 F1FUSE 2A 250V SLO-BLO 5X20 IEC08908800 F1 F2HOLDER FUSE 5X20MM17815900 F2FUSE .25A 250V SLO-BLO08905900 IC1IC REGULATOR 12V13315600 IC2IC REGULATOR 5V13325000 IC3IC -5V REGULATOR13325300 IC4IC NAND SCHMIT 2-IN X 413319200 IC5IC QUAD OP AMP T

26、LC074CN13341900 Part No.DescriptionReference No. 2526 PARTS LIST cont J1 J2 J7 J8 J14BLADE FASTON .18711772600 J3 J4 J5 J9 J11 J12CONN MALE 6 PIN PCB MOUNT11769800 J6HEADER 9 CIRCUIT11772400 J10CONN 8 POS MALE11727500 J15CONN MALE 7 PIN11721700 J16CONN 3 POS MALE11729300 J17CONN MALE 6 POS11721800 J

27、25CONN MALE 3 POS11721400 K1RELAY 48VDC TV-808705200 OP1TRIAC OPTOCOUPLER13102400 Q1TRANSISTOR P CHAN JUNCTION FET13222600 Q2 Q5TRANSISTOR NPN13222300 Q3 Q4 Q6 Q7TRANSISTOR NPN13225400 Q8 Q9TRANSISTOR N JFET13222200 R1RES WW 1.5K 10% 5W13907900 R2RES MET OXIDE 30K 5% 2W RES14435300 R6RES MF 22.1K 1%

28、 1/4W14418700 R7RES MF 1K 1% 1/4W14409000 R8RES MF 10K 1% 1/2W14442500 R10 R11 R40RES MF 15K 1% 1/4W14441200 R12 R13 R27 R45RES MF 200K 1% 1/4W14411700 R14 R15RES MF 10K 1% 1/4W14405300 R16 R43RES MF 10M 1% 1/4W14426400 R18 R19RES MF 174K 1% 1/4W14435200 R20 R21POT TRIMMER 100K OHM 20%13438300 R26 R

29、35 R37 R44RES MF 100 1% 1/4W14419600 R28 R29 R46 R47RES MF 3920 OHM 1% 1/4W14419800 R30 R36RES MF 1M 1/4W14426900 R31RES MF 68.1 1% 1/4W14408200 R32 R33RES CF 270K 5% 1/2W14155100 R34RES CF 10 5% 1/4W14113600 R38RES MF 95.3K 1% 1/4W14412700 R41 R48RES MF 2.74M 1/4W14427100 R49RES MF 1K OHM 1% 1/2W14

30、430900 RT1 RT2SOLDER LUG .070 HOLE07502000 RT1 RT2THERMISTOR 5 OHM14415100 049510 REMOTE SWITCH/OUTPUT C1 C2POLYPRO 0.22MF 400V 20%06443800 C3 C4CAP ELEC 2.2UF06651100 J1HEADER 9 POSITION11772300 J2CONN MALE 6 POS11721800 J3BLADE FASTON .18711772600 J4CONN MALE 3 POS11721400 J5 J6HEADER 4 CIRCUIT PO

31、ST11777200 J7 J8JACK MINI WITH NUT11775800 R1 R2RES WW 4 OHMS 5% 5W13911900 S1SWITCH SLIDE 2P3T14807500 S2SWITCH SLIDE DPDT 3MM14807400 049646 PANEL LAMP DS1LED RED HIGH EFFICIENCY05814800 DS2 DS3 DS4 DS5LAMP INCANDESCENT 14V 100MA05815300 J1CONN MALE 3 POS11721400 J2CONN 4 PIN11721500 049612 METER

32、LAMP DS1 DS2 DS3 DS4 DS5 DS6LAMP INCANDESCENT 14V 100MA05815300 J1 J4CONN MALE 3 POS11722100 J2CONN MALE 3 POS11721400 J3CONN 4 PIN11721500 MISC ITEMS POST CARD SERVICE REPAIR039594 OWNERS MANUAL040742 TUBE 12AX7A165065 TUBE 12AT7165067 TUBE KT88165069 LINE CORD SET 14GA VW1/PT2170937 Part No.Descri

33、ptionReference No. 28 EXPLODED VIEW 27 MC2102 2930 EXPLODED VIEW 32 EXPLODED PARTS LIST 31 1016438GLASS 2049595KNOB ASSY 3104164WASHER BLK FELT 1 X 1/4 X 1/16 4018678BOTTOM EXTRUSION 5101172SCREW TC 6-32 X 1/4 PH FL U/C 6018585TOP EXTRUSION 7005144EXTRUSION BRACKET 8018615END CAP 9” 9101042SCREW TS

34、4-40 X SLOT FILLISTER 10094016TAPE FOAM 1/4 X 1/8 11094360TAPE FOAM 1/2 X 1/2 12098113DIAL CORD 13017862PUSH-ON FOOT 14092434FILTER METER 15094017TAPE FOAM 1/4 X 1/4 16017839PLEXIGLAS PANEL 17124079METER 18092436FILTER PALE BLUE 19092435FILTER AZURE BLUE 20049646PANEL LAMP PCB ASSY 21100157SCREW MAC

35、H 6-32 X 1/4 PHIL PAN 22077025SLEEVING FIBERGLAS #5 23005134SUBPANEL 24021159BUSHING SWITCH 25146253SWITCH METER 26052099LIGHT BOX METER 27102001KEP NUT 4-40 CADMIUM PLATE 28049612METER PCB ASSY 29101150SCREW HI/LO 4-40 X 1/4 PHIL PAN 30005137MAIN PCB SHIELD 31005154DUST COVER BOTTOM 32005153DUST CO

36、VER SIDE 33005152DUST COVER TOP 34126776DECAL TOP COVER 35005126CHASSIS 36165067TUBE 12AT7 37165065TUBE 12AX7A 38117487RECEPTACLE AC LINE 39178161FUSE HOLDER 5 X 20mm 40117740BINDING POST RED 41117741BINDING POST BLK 42109018SCREW MACH M2.5 X 0.45 X 5mm LONG 43052104CABLE ASSY RIGHT INPUT 44052105CA

37、BLE ASSY LEFT INPUT 45100195SCREW MACH 4 40 X 3/8 PH OVAL GLD 46017761AIR PIPE 47100292SCREW MACH 6-32 X 3/8 PH FH BLK 48165069TUBE KT88 49005155TUBE COVER 50106055CLIP TINNERMAN 51101219SCREW 6-32 X 5 TUBE COVER 52049590OUTPUT TRANSFORMER 53049591POWER TRANSFORMER 54126714DECAL OUTPUT TRANSFORMER 5

38、5126713DECAL POWER TRANSFORMER 56049517AMP PCB ASSY 57017859SPACER NYLON 6-32 X 7/16 58101054SCREW TAPTITE 6-32 X 1/4 PH PAN BLK 59049507DAUGHTER PCB ASSY 60005135CHASSIS SUPPORT 61017801RIVET PLASTIC 62102006NUT MACH W/LOCK 63017860SUPPORT PCB LOCKING 64049509POWER PCB ASSY 65126524DECAL FUSE REPLA

39、CEMENT 66126527DECAL FUSE 67122337CHOKE FILTER 68102005NUT MACH 8-32 W/LOCK 69049508INPUT PCB ASSY 70005146INPUT PCB BRACKET 71049510REMOTE SW/OUTPUT 72104162WASHER LOCK INTERNAL TOOTH 73102051HEX NUT M9 X .75 GOLD PLATED 74104165LW 3/8 INTERNAL GOLD TOOTH 75104067WASHER LOCK #10 INTERNAL STAR 76104

40、078WASHER LOCK #8 INTERNAL STAR 77005174SWITCH SPACER 78017802WIRE CLAMP 79005151BOTTOM COVER 801010788-32 X 5/16 PH PAN BLK 81017841FOOT 82100159SCREW MACH 10-32 X 3/4 PH PAN BLK 83024010FOOT PAD 84104016WASHER LOCK 1/2 INT STAR 85126250DECAL GROUND Part No.DescriptionItem No. 33 REPACKING INSTRUCT

41、IONS 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 040806 POWER AMPLIFIER MC2102