McIntosh-MC-207-Service-Manual(1) 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 . 5 Block Diagram . 6 Interconnection Diagram . 7 - 8 Input Schematic and PCB. 9 - 12 Heatsink 1-Channel Schematic and PCB . 13 - 18 Heatsink 2-Channel Schematic and PCB . 21 - 26 Display Schematic and PCB . 29 -

2、 32 Capacitor Schematic and PCB . 33 Power Supply Schematic and PCB. 34 - 35 Parts List . 36 - 42 Exploded Views and Parts Lists . 43 - 46 Repacking Instruction . 47 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 s

3、ignal 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. R

4、esistor 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 characteristi

5、cs. Use only replacement parts recom- mended by the manufacturer. NOTES Power Output Minimum sine wave continuous average power output per channel, all channels operating is: 200 watts into 4 ohm or 8 ohm load Rated Power Band 20Hz to 20,000Hz Total Harmonic Distortion Maximum Total Harmonic Distort

6、ion at any power level from 250 milliwatts to rated power output is: 0.005% for 4 or 8 ohm loads Dynamic Headroom 1.7dB Frequency Response +0, -0.25dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz Sensitivity 1.0 Volt Unbalanced with a 4 ohm Loudspeaker 2.0 Volt Balanced with a 4 ohm Loudspe

7、aker 1.4 Volt Unbalanced with a 8 ohm Loudspeaker 2.8 Volt Balanced with a 8 ohm Loudspeaker A-Weighted Signal To Noise Ratio 89dB (112dB below rated output) Intermodulation Distortion Maximum Intermodulation Distortion if instantaneous peak output per channel does not exceed twice the rated output,

8、 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 20,000 ohms Balanced 10,000 ohms Unbalanced Wide Band Damping Factor Greater than 60 at 4 ohms Greater than 140 at 8 ohms Power Requirements 100 Volts, 50/60Hz at 14

9、40 watts 110 Volts, 50/60Hz at 13.0 amps 120 Volts, 50/60Hz at 12.0 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 MC207 for the correct voltage. Dimensions Front Panel: 17-1/2 inches (44.45cm) wide, 9-7/16 inche

10、s (23.97cm) high. Depth behind front mounting panel is 18-3/4 inches (47.63cm), including clearance for connectors. Weight 83 pounds (37.6kg) net, 116 pounds (52.6kg) in shipping carton RadioFans.CN 收音机爱 好者资料库 REAR PANEL 3 MC207 RadioFans.CN 收音机爱 好者资料库 NOTES 4 5 MC207 SECTION LOCATIONS TOP VIEW WITH

11、 COVER REMOVED TOP VIEW 6 BLOCK DIAGRAM 78 MC207 1INTERCONNECT 910 INPUT 0500652 1112 INPUT 0500652 MC207 1314 HEATSINK 1-CHANNEL 0500703 A B 1516 HEATSINK 1-CHANNEL DRIVER SECTION 0500703 A B MC207 HEATSINK 1-CHANNEL 0500703 A B 1718 * Denotes components on reverse or backside of PC Board. NOTES 19

12、20 MC207 HEATSINK 2-CHANNEL 0500644 A B C 2122 232524 HEATSINK 2-CHANNEL DRIVER SECTION 0500644 A B C MC207 262827 5DISPLAY ILLUMINATION SECTION 050066HEATSINK 2-CHANNEL 0500643A B 4 A B C * Denotes components on reverse or backside of PC Board. 5DISPLAY METER SECTION 0500665DISPLAY POWER GUARD SECT

13、ION 050066 2930 MC207 5DISPLAY 050066 3132 * Denotes components on reverse or backside of PC Board. CAPACITOR 0500636 33 MC207 * Denotes components on reverse or backside of PC Board. POWER SUPPLY 0500627 34 35 POWER SUPPLY 0500627 MC207 Ref No.Description Part No. PARTS LIST 050065 INPUT PCB C1CAP

14、ELECT 10UF 16V 4X5 CASE 066382 C2CAP ELECT 10UF 16V 4X5 CASE 066382 C3CAP MONO 47PF 200V 10% NPO 061299 C4CAP MONO 47PF 200V 10% NPO 061299 C5CAP ELECT 10UF 16V 4X5 CASE 066382 C6CAP ELECT 10UF 16V 4X5 CASE 066382 C7CAP MONO .1uF 50V 20% Z5U 061305 C8CAP MONO .1uF 50V 20% Z5U 061305 C9CAP MONO 22PF

15、200V 10% NPO 061298 C10CAP MONO 22PF 200V 10% NPO 061298 C11CAP MONO 47PF 200V 10% NPO 061299 C12CAP ELECT 10UF 50V066445 C13CAP MONO 47PF 200V 10% NPO 061299 C14CAP ELECT 10UF 50V066445 C15CAP ELECT 10UF 16V 4X5 CASE 066382 C16CAP ELECT 10UF 16V 4X5 CASE 066382 C17CAP MONO 47PF 200V 10% NPO 061299

16、C18CAP ELECT 10UF 16V 4X5 CASE 066382 C19CAP MONO 47PF 200V 10% NPO 061299 C20CAP MONO .1uF 50V 20% Z5U 061305 C21CAP MONO .1uF 50V 20% Z5U 061305 C22CAP ELECT 10UF 16V 4X5 CASE 066382 C23CAP MONO 22PF 200V 10% NPO 061298 C24CAP MONO .1uF 50V 20% Z5U 061305 C25CAP MONO .1uF 50V 20% Z5U 061305 C26CAP

17、 MONO 47PF 200V 10% NPO 061299 C27CAP MONO 22PF 200V 10% NPO 061298 C28CAP MONO 47PF 200V 10% NPO 061299 C29CAP ELECT 10UF 16V 4X5 CASE 066382 C30CAP MONO 47PF 200V 10% NPO 061299 C31CAP ELECT 10UF 16V 4X5 CASE 066382 C32CAP MONO 22PF 200V 10% NPO 061298 C33CAP MONO 47PF 200V 10% NPO 061299 C34CAP E

18、LECT 10UF 16V 4X5 CASE 066382 C35CAP MONO 47PF 200V 10% NPO 061299 C36CAP ELECT 10UF 16V 4X5 CASE 066382 C38CAP MONO 22PF 200V 10% NPO 061298 C39CAP MONO .1uF 50V 20% Z5U 061305 C40CAP MONO .1uF 50V 20% Z5U 061305 C41CAP MONO 47PF 200V 10% NPO 061299 C43CAP ELECT 10UF 16V 4X5 CASE 066382 C44CAP MONO

19、 47PF 200V 10% NPO 061299 C45CAP ELECT 10UF 16V 4X5 CASE 066382 C46CAP MONO 22PF 200V 10% NPO 061298 C47CAP MONO 22PF 200V 10% NPO 061298 J1CONN MALE 9 POS FRICTION LOCK 117244 J2JACK RCA BLK117847 J3JACK RCA 1X2 BLK/BLK 14MM 117848 J4CONN 4 PIN117215 J5CONN 4 PIN117215 J6RECEPTACLE XLR FEMALE117685

20、 J7RECEPTACLE XLR FEMALE117685 J8JACK RCA 1X2 BLK/BLK 14MM 117848 J9CONN 4 PIN117215 J10CONN D 25-PIN117501 J11CONN 4 PIN11721 J12RECEPTACLE XLR FEMALE117685 J13RECEPTACLE XLR FEMALE117685 36 2 1 J14RECEPTACLE XLR FEMALE117685 J16JACK RCA 1X2 BLK/BLK 14MM 117848 J17CONN 4 PIN117215 J18RECEPTACLE XLR

21、 FEMALE117685 J19“JACK HEADPHONE DUAL BLACK 1/ 8”,117825” J20RECEPTACLE XLR FEMALE117685 R1RES MF 1K 1% 1/4W 144090 R2RES MF 1K 1% 1/4W 144090 R3RES MF 20K 1% 1/4W144104 R4RES MF 221 OHM 1% 1/4W144172 R5RES MF 20K 1% 1/4W144104 R6RES MF 221 OHM 1% 1/4W144172 R7RES MF 100K 1% 1/4W144113 R8RES MF 100K

22、 1% 1/4W144113 R9RES MF 20K 1% 1/4W144104 R10RES MF 20K 1% 1/4W144104 R11RES MF 10K 1% 1/4W144053 R12RES MF 10K 1% 1/4W144053 R13RES MF 10 OHM 1% 1/4W144157 R14RES MF 10K 1% 1/4W144053 R16RES MF 100K 1% 1/4W144113 R17RES MF 10K 1% 1/4W144053 R18RES MF 100K 1% 1/4W144113 R19RES MF 10 OHM 1% 1/4W14415

23、7 R20RES MF 1K 1% 1/4W 144090 R21RES MF 20K 1% 1/4W144104 R22RES MF 221 OHM 1% 1/4W144172 R23RES MF 1K 1% 1/4W 144090 R24RES MF 100K 1% 1/4W144113 R25RES MF 20K 1% 1/4W144104 R26RES MF 20K 1% 1/4W144104 R27RES MF 221 OHM 1% 1/4W144172 R28RES MF 100K 1% 1/4W144113 R29RES MF 10K 1% 1/4W144053 R30RES M

24、F 20K 1% 1/4W144104 R31RES MF 10K 1% 1/4W144053 R33RES MF 100K 1% 1/4W144113 R34RES MF 10K 1% 1/4W144053 R35RES MF 10K 1% 1/4W144053 R37RES MF 100K 1% 1/4W144113 R38RES MF 1K 1% 1/4W 144090 R39RES MF 20K 1% 1/4W144104 R40RES MF 221 OHM 1% 1/4W144172 R41RES MF 100K 1% 1/4W144113 R42RES MF 20K 1% 1/4W

25、144104 R43RES MF 10K 1% 1/4W144053 R44RES MF 10K 1% 1/4W144053 R45RES MF 100K 1% 1/4W144113 R46RES MF 100 OHM 1% 1/4W144196 R47RES MF 1K 1% 1/4W 144090 R48RES MF 20K 1% 1/4W144104 R49RES MF 221 OHM 1% 1/4W144172 R50RES MF 100K 1% 1/4W144113 R51RES MF 20K 1% 1/4W144104 R55RES MF 10K 1% 1/4W144053 R56

26、RES MF 10K 1% 1/4W144053 R58RES MF 100K 1% 1/4W144113 R59RES MF 1K 1% 1/4W 144090 R60RES MF 20K 1% 1/4W144104 R61RES MF 221 OHM 1% 1/4W144172 R62RES MF 100K 1% 1/4W144113 R63RES MF 20K 1% 1/4W144104 R64RES MF 100 OHM 1% 1/4W144196 R65RES MF 10K 1% 1/4W144053 R66RES MF 10K 1% 1/4W144053 R68RES MF 100

27、K 1% 1/4W144113 S1SWITCH SLIDE148059 SP1BRACKET PCB CARD MOUNTING 003611 U1IC DUAL OPERATIONAL AMPLIFIER 133260 U2IC DUAL OPERATIONAL AMPLIFIER 133260 U3IC DUAL OPERATIONAL AMPLIFIER 133260 U4IC DUAL OPERATIONAL AMPLIFIER 133260 050064 HEATSINK1 PCB C1CAP ELECT 47UF 35V066446 C2CAP ELECT 47UF 35V066

28、446 C3CAP MONO .1uF 50V 20% Z5U 061305 C4CAP POLYPROP 0.15UF 10% 250VDC 064363 C7CAP MONO 100PF 100V 10% NPO 061300 C8CAP MONO 100PF 100V 10% NPO 061300 C9CAP MONO .01UF 50V 20% X7R 061304 C14CAP MONO 100PF 100V 10% NPO 061300 C16CAP MONO .01UF 50V 20% X7R 061304 C22CAP ELECT 220UF 25V066507 C27CAP

29、MONO 100PF 100V 10% NPO 061300 C30CAP ELECT 47UF 35V066446 C31CAP ELECT .47UF 50V066244 C32CAP MONO .1uF 50V 20% Z5U 061305 C33CAP MONO .1uF 50V 20% Z5U 061305 PARTS LIST cont MC207 37 3A 3B C35CAP ELECT 10UF 100VDC066462 C36CAP ELECT 10UF 100VDC066462 C37CAP ELECT 10UF 100VDC066462 C38CAP ELECT 10U

30、F 100VDC066462 C40CAP ELECT 220UF 50V 20% 066254 C41CAP ELECT 10UF 100VDC066462 C47CAP POLYPROP .047UF 10% 250VDC 064364 C51CAP ELECT 10UF 100VDC066462 C200CAP ELECT 10UF 100VDC066462 D1DIODE SILICON070047 D2DIODE SILICON070047 D4DIODE SILICON070047 D5DIODE SILICON070047 D6DIODE RECTIFIER070131 D7DI

31、ODE RECTIFIER070131 IC2IC DUAL AMP 133259 J1CONN MALE 9 POS FRICTION LOCK 117244 J2CONN 4 PIN117215 J4CONN HEADER 2 PIN 0.156 117404 J5BLADE FASTON .110 117712 J6BLADE FASTON W/FEET117708 J8CONN HEADER 2 PIN 0.156 117404 J9CONN 2 PIN MALE117213 K1RELAY 24VDC 5A 277VAC087057 K2RELAY 24VDC 5A 277VAC08

32、7057 L2CHOKE 0.65UH OUTPUT122297 LD1LDR NETWORK VTL5C9144179 Q1TRANSISTOR NPN132223 Q2TRANSISTOR PNP132224 Q3TRANSISTOR NPN132268 Q4TRANSISTOR PNP132267 Q5TRANSISTOR NPN132223 Q6TRANSISTOR NPN 25C3334C 132285 Q7TRANSISTOR PNP 2SA32IC132286 Q8TRANSISTOR PNP POWER132297 Q9TRANSISTOR NPN POWER132296 Q1

33、0TRANSISTOR PNP POWER132297 Q11TRANSISTOR NPN POWER132296 Q20TRANSISTOR NPN POWER132296 Q22TRANSISTOR PNP POWER132297 Q23TRANSISTOR NPN POWER132296 Q25TRANSISTOR PNP POWER132297 Q27TRANSISTOR PNP132224 Q29TRANSISTOR PNP POWER132255 Q30TRANSISTOR SI NPN 25V132254 Q31TRANSISTOR NPN132223 Q32TRANSISTOR

34、 NPN132223 Q33TRANSISTOR PNP POWER132255 Q35TRANSISTOR NPN132223 Q37TRANSISTOR NPN 25C3334C 132285 Q39TRANSISTOR PNP 2SA32IC132286 Q41TRANSISTOR PNP132224 Q49TRANSISTOR PNP132224 Q50TRANSISTOR NPN132223 Q51TRANSISTOR NPN132223 Q52TRANSISTOR NPN132223 Q53TRANSISTOR PNP POWER132255 Q54TRANSISTOR PNP13

35、2224 Q55TRANSISTOR PNP POWER132255 Q56TRANSISTOR PNP POWER132255 Q59TRANSISTOR NPN132223 Q60TRANSISTOR SI NPN 25V132254 Q61TRANSISTOR SI NPN 25V132254 Q63TRANSISTOR NPN132223 Q64TRANSISTOR PNP POWER132255 R1RES MF 332 OHM 1% 1/4W144446 R2RES MET OX 680 OHM 5% .5W 137093 R3RES MF 22.1K 1% 1/4W144187

36、R4RES MF 100K 1% 1/4W144113 R5RES MF 22.1K 1% 1/4W144187 R6RES MET OX 1.8k 5% .5W137094 R7RES MET OX 430 OHM 5% .5W 137095 R8RES MF 332 OHM 1% 1/4W144446 R9RES MET OX 680 OHM 5% .5W 137093 R10RES MF 22.1K 1% 1/4W144187 R11RES MET OX 1.8k 5% .5W137094 R12RES MET OX 47 OHM 5% .5W 137096 R13POT TRIM 20

37、0 OHM 20% HORIZ AD 134390 R14RES MF 100K 1% 1/4W144113 R15RES MF 100 OHM 1% 1/4W144196 R16RES MF 100 OHM 1% 1/4W144196 R17RES MF 100 OHM 1% 1/4W144196 R30RES MF 475K 1% 1/4W144364 R32RES MF 47.5K 1% 1/4W144108 R33RES MF 47.5K 1% 1/4W144108 R34RES MF 5.11K 1% 1/4W144083 R36RES 511 OHM 1% 1/4W144123 R

38、37RES MF 681K 1% 1/4W144443 R38RES MF 866 OHM 1% 1/4W144028 R39RES MF 2.21 OHM 1/4W 1% 144378 R41RES WW DUAL .47 OHM 5% 3W 139244 R42RES WW DUAL .47 OHM 5% 3W 139244 R43RES WW DUAL .47 OHM 5% 3W 139244 R45RES WW DUAL .47 OHM 5% 3W 139244 R46RES MF 4.75K 1% 1/4W144097 PARTS LIST cont 38 4A 4B 4B R48R

39、ES MF 100 OHM 1% 1/4W144196 R50RES MF 14.7K 1% 1/4W144149 R51RES MF 221 OHM 1% 1/4W144172 R52RES MF 267K 1% 1/4W144118 R53RES MF 221 OHM 1% 1/4W144172 R54RES MF 3.32K 1% 1/4W144095 R55RES MF 3.32K 1% 1/4W144095 R56RES MF 10K 1% 1/4W144053 R57RES MF 475K 1% 1/4W144364 R58RES MF 1.1K 1% 1/4W144091 R59

40、RES MF 2.21 OHM 1/4W 1% 144378 R60RES FP 22 OHM 1/4W 5%137033 R62RES MF 22.1K 1% 1/4W144187 R63RES FP 22 OHM 1/4W 5%137033 R65RES MF 681K 1% 1/4W144443 R67RES MF 100 OHM 1% 1/4W144196 R70RES MF 100 OHM 1% 1/4W144196 R71RES MF 100 OHM 1% 1/4W144196 R72RES MF 100 OHM 1% 1/4W144196 R77RES MF 1M 1/4W144

41、269 R79RES CF 10 OHM 5% 1/2W141165 R82RES MF 1M 1/4W144269 R83RES MF 10K 1% 1/4W144053 R84RES MF 47.5K 1% 1/4W144108 R85RES MF 1.1K 1% 1/4W144091 R86RES MF 4.75K 1% 1/4W144097 R88RES MF 12.1K 1% 1/4W144154 R90RES MF 1.1K 1% 1/4W144091 R93RES MF 4.75K 1% 1/4W144097 R101RES MF 953 OHM 1/4W 1%144473 R1

42、03RES MF 332K 1% 1/4W144119 R104RES MF 15K 1% 1/4W144412 R105RES MF 6.49K 1% 1/4W144140 R106RES MF 475 OHM 1% 1/4W144086 R109RES CF 0 ohm141389 R111RES MET OX 430 OHM 5% .5W 137095 R114RES CF 10 OHM 5% 1/2W141165 R119RES MO 4.7 OHM 1W 5%144464 R122RES MF 47.5K 1% 1/4W144108 R123RES MF 22.1K 1% 1/4W1

43、44187 R124RES MF 47.5K 1% 1/4W144108 RT1THERMAL144249 RT2THERMAL144249 050064 HEATSINK2 PCB C1CAP ELECT 47UF 35V066446 C2CAP ELECT 47UF 35V066446 C3CAP MONO .1uF 50V 20% Z5U 061305 C4CAP POLYPROP 0.15UF 10% 250VDC 064363 C7CAP MONO 100PF 100V 10% NPO 061300 C8CAP MONO 100PF 100V 10% NPO 061300 C9CAP

44、 MONO .01UF 50V 20% X7R 061304 C10CAP ELECT 47UF 35V066446 C11CAP ELECT 47UF 35V066446 C12CAP MONO 100PF 100V 10% NPO 061300 C13CAP MONO 100PF 100V 10% NPO 061300 C14CAP MONO 100PF 100V 10% NPO 061300 C15CAP MONO .1uF 50V 20% Z5U 061305 C16CAP MONO .01UF 50V 20% X7R 061304 C17CAP MONO .01UF 50V 20%

45、X7R 061304 C18CAP MONO .01UF 50V 20% X7R 061304 C19CAP MONO 100PF 100V 10% NPO 061300 C22CAP ELECT 220UF 25V066507 C27CAP MONO 100PF 100V 10% NPO 061300 C28CAP MONO 100PF 100V 10% NPO 061300 C29CAP ELECT 47UF 35V066446 C30CAP ELECT 47UF 35V066446 C31CAP ELECT .47UF 50V066244 C32CAP MONO .1uF 50V 20%

46、 Z5U 061305 C33CAP MONO .1uF 50V 20% Z5U 061305 C35CAP ELECT 10UF 100VDC066462 C36CAP ELECT 10UF 100VDC066462 C37CAP ELECT 10UF 100VDC066462 C38CAP ELECT 10UF 100VDC066462 C39CAP ELECT .47UF 50V066244 C40CAP ELECT 220UF 50V 20% 066254 C41CAP ELECT 10UF 100VDC066462 C44CAP ELECT 220UF 25V066507 C47CA

47、P POLYPROP .047UF 10% 250VDC 064364 C48CAP POLYPROP .047UF 10% 250VDC 064364 C50CAP ELECT 10UF 100VDC066462 C51CAP ELECT 10UF 100VDC066462 C200CAP ELECT 10UF 100VDC066462 D1DIODE SILICON070047 D2DIODE SILICON070047 PARTS LIST cont MC207 39 D4DIODE SILICON070047 D5DIODE SILICON070047 D6DIODE RECTIFIER070131 D7DIODE RECTIFIER070131 D8DIODE SILICON070047 D9DIODE SILICON070047 D11DIODE SILICON070047 D12DIODE SILICON070047 D13DIODE RECTIFIER070131 D14DIODE RECTIFIER070131 IC1IC DUAL AMP 133259 IC2IC DUAL AMP 133259 J1CONN MALE 9 POS FRICTION LOCK 117244 J2CONN 4