McIntosh MC1.2KW Service Manual Download Page 8 | Manualshive

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11

12

HEATSINK SLAVE

749487 SCH and PCB

3A 3B

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Summary of Contents for MC1.2KW

Page 1: ...nk Slave Schematic and PCB 11 12 Driver Schematic and PCB 13 15 Input Schematic and PCB 16 Capacitor Schematic and PCB 17 18 Meter Schematic and PCB 19 22 Lamp Schematic and PCB 23 24 Light Schematic...

Page 2: ...to rated power 20Hz to 20 000Hz Dynamic Headroom 2dB Frequency Response 0 0 25dB from 20Hz to 20 000Hz 0 3dB from 10Hz to 100 000Hz Input Sensitivity for rated output 2 5 Volt Unbalanced 5 Volt Balanc...

Page 3: ...MC1 2KW 3 REAR PANEL...

Page 4: ...4 SECTION LOCATIONS TOP VIEW WITH COVER REMOVED BOTTOM VIEW WITH COVER REMOVED...

Page 5: ...MC1 2KW BLOCK DIAGRAM 5 6...

Page 6: ...7 8 INTERCONNECT 1...

Page 7: ...HEATSINK MASTER 749485 SCH and PCB 2A 2B BIAS ADJUSTMENT OPERATE THE AMPLIFIER FOR 5 MINUTES WITH NO INPUT SIGNAL HEATSINKS MUST BE COOL ADJUST R13 FOR 18 _2mV ACROSS PINS 1 2 OF J4 ADJUST BOTH MASTE...

Page 8: ...11 12 HEATSINK SLAVE 749487 SCH and PCB 3A 3B...

Page 9: ...1 Q14 3 1 2 Q16 267 R54 3 1 2 Q17 3 2 1 Q55 2 1 0W R117 10uF C16 10 R155 J7 2 POWER GUARD J9 3 FEEDBACK B 6 49k 5 R51 J1 3 J3 4 10uF C11 2 3 1 8 4 B B U1 1 3 1 2 Q66 4 75k R58 2 21M R40 221 R153 10uF...

Page 10: ...Q62 R42 Q60 Q61 R46 129863 R45 Q64 Q18 C7 C4 Q13 R91 R72 Q21 Q22 C8 R68 R156 R155 R3 R1 C2 R30 R75 J4 IN OUT GND OUT CONTROL IN POWER INPUT INPUT POWER CONTROL 4 2 3 1 S G J4 2 5 1 J11 2 5 1 J12 10uF...

Page 11: ...MC1 2KW 17 18 CAPACITOR 749367 SCH and PCB 6...

Page 12: ...RECTIFIER 1uF C22 D5 1uF C12 D3 100 R10 1uF C23 2 74M R12 HOLD 3 1 2 Q1 METER 22 1k R74 22 1k R5 475k R77 2 3 1 8 4 B B U3 1 LOG AMP CURRENT METER CURRENT VOLTAGE LOG AMP 22uF C15 J3 1 6 5 7 U3 2 D22...

Page 13: ...R63 681 R58 3 1 2 Q20 475k R72 J1 11 J2 4 J2 3 SW2 METER LIGHT SW PG LED 3 1 2 Q17 WIPER J8 1 J8 2 J2 1 J8 3 20V 12V 12V D29 10uF C3 20V 3 1 2 Q3 20K R16 12V 12 1k R65 3 1 2 Q4 4 75k R3 20V PG HOLD J...

Page 14: ...R14 47 5 R7 47 5 R13 47 5 R5 221 R6 806 R9 J5 2 J6 1 J2 4 J5 1 J2 3 500 CCW 1 2 3 R2 500 CCW 1 2 3 R4 J4 3 J4 2 J4 4 681 R10 J3 3 LOGO2 LOGO1 J1 6 PG LED METER LED ON J1 1 DS7 DS8 DS5 DS6 J3 1 J3 2 J...

Page 15: ...S9 J5 1 J5 3 J5 2 RoHS 129862B J5 Rev A DS9 LOGO2 4A 4A J3 2 J3 1 NC 4A J3 3 DS10 DS11 LOGO2 J6 1 J6 3 J6 2 DS11 J6 Rev A 129862C DS10 RoHS 4A J4 4 4A J4 2 4A J4 1 NC ANODE STBY LED 4A J4 3 12V D1 STB...

Page 16: ...NOTES 27 28...

Page 17: ...R PNP 200W 230V 132314 R1 RES MF 365 OHM 1 1 4W 144505 R2 RES MET OX 680 OHM 5 1 2W 137099 R3 RES MF 22 1K 1 1 4W 144564 R6 RES MET OX 1 8K 5 1 2W 137100 R7 RES MET OX 430 OHM 5 1 2W 137101 R8 RES MF...

Page 18: ...LICON 132317 Q37 TRANSISTOR PNP SILICON 132304 Q38 TRANSISTOR PNP SILICON 132304 Q39 TRANSISTOR PNP SILICON 132304 Q41 TRANSISTOR PNP 2SA1321C 132326 Q42 TRANSISTOR PNP 2SA1321C 132326 Q55 TRANSISTOR...

Page 19: ...CON 070174 D14 DIODE SILICON 070174 D18 DIODE SILICON 070174 D22 DIODE SILICON 070174 D27 DIODE ZENER 6 2V 5 500MW 070184 D28 DIODE SILICON 070174 D29 DIODE SILICON 070174 D30 DIODE RECTIFIER 070175 D...

Page 20: ...UPPLY PCB Con t Ref No Description Part No Ref No Description Part No D1 LED AMBER 058133 D2 LED RED HIGH EFFICIENCY 058148 DS1 LED BLUE 5MM 30 DEG 058191 DS2 LED GREEN 5MM 30 DEG 058190 DS3 LED BLUE...

Page 21: ...INSTRUCTIONS 4 018445 Feet Quantity Part Number Description 1 034105 Shipping carton top 1 034104 Shipping carton bottom 2 034349 Foam Pad top and bottom 3 034350 Foam Ring 4 400159 10 32 x 3 4 inch...

Page 22: ...nstant 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 McINT...

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