McIntosh C45 Service Manual Download Page 31

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C45

R150

RES MF 10M 1% 1/4W

144575

R151

RES MF 10M 1% 1/4W

144575

R152

RES MF 3.79K .5% 1/4W

144711

R153

RES MF 3.79K .5% 1/4W

144711

R154

RES MF 200K 1% 1/4W

144531

R155

RES MF 200K 1% 1/4W

144531

R156

RES MF 267K 1% 1/4W

144532

R157

RES MF 267K 1% 1/4W

144532

R158

RES MF 1M 1% 1/4W

144577

R159

RES MF 1M 1% 1/4W

144577

R160

RES MF 10M 1% 1/4W

144575

R161

RES MF 10M 1% 1/4W

144575

R162

RES MF 2.67K .5% 1/4W

144614

R163

RES MF 200K 1% 1/4W

144531

R164

RES MF 2.67K .5% 1/4W

144614

R165

RES MF 200K 1% 1/4W

144531

R166

RES MF 1M 1% 1/4W

144577

R167

RES MF 1M 1% 1/4W

144577

R168

RES MF 10M 1% 1/4W

144575

R169

RES MF 10M 1% 1/4W

144575

R170

RES MF 1.91K .5% 1/4W

144613

R171

RES MF 1.91K .5% 1/4W

144613

R172

RES MF 267K 1% 1/4W

144532

R173

RES MF 267K 1% 1/4W

144532

R174

RES MF 22.1K 1% 1/4W

144564

R175

RES MF 221 OHM 1% 1/4W

144559

R176

RES MF 221 OHM 1% 1/4W

144559

R177

RES MF 32.4K 1% 1/4W

144542

R178

RES MF 32.4K 1% 1/4W

144542

R179

RES MF 100K 1% 1/4W

144528

R180

RES MF 100K 1% 1/4W

144528

R181

RES MF 1K 1% 1/4W

144513

R182

RES MF 1K 1% 1/4W

144513

R183

RES MF 1K 1% 1/4W

144513

R184

RES MF 1K 1% 1/4W

144513

R185

RES MF 6.81K 1% 1/4W

144583

R186

RES MF 1.1K 1% 1/4W

144514

R187

RES MF 1.1K 1% 1/4W

144514

R188

RES MF 10 OHM 1% 1/4W

144553

R189

RES MF 1K 1% 1/4W

144513

R190

RES MF 1K 1% 1/4W

144513

R191

RES MF 1K 1% 1/4W

144513

R192

RES MF 47.5K 1% 1/4W

144526

R193

RES MF 6.49K .5% 1/4W

144617

R194

RES MF 6.49K .5% 1/4W

144617

R195

RES MF 200K 1% 1/4W

144531

R196

RES MF 200K 1% 1/4W

144531

R197

RES MF 3.36K .5% 1/4W

144616

R198

RES MF 3.36K .5% 1/4W

144616

R199

RES MF 1M 1% 1/4W

144577

R200

RES MF 1M 1% 1/4W

144577

R201

RES MF 10M 1% 1/4W

144575

R202

RES MF 10M 1% 1/4W

144575

R203

RES MF 5.36K .5% 1/4W

144615

R204

RES MF 5.36K .5% 1/4W

144615

R205

RES MF 200K 1% 1/4W

144531

R206

RES MF 200K 1% 1/4W

144531

R207

RES MF 1M 1% 1/4W

144577

R208

RES MF 1M 1% 1/4W

144577

PARTS LIST

Cont’d.

MAIN PCB 749850 (Cont’d.)
Ref. No. Description

Part No.

Ref. No. Description

Part No.

R209

RES MF 10M 1% 1/4W

144575

R210

RES MF 10M 1% 1/4W

144575

R211

RES MF 3.79K .5% 1/4W

144711

R212

RES MF 3.79K .5% 1/4W

144711

R213

RES MF 200K 1% 1/4W

144531

R214

RES MF 267K 1% 1/4W

144532

R214

RES MF 200K 1% 1/4W

144531

R216

RES MF 267K 1% 1/4W

144532

R217

RES MF 1M 1% 1/4W

144577

R218

RES MF 1M 1% 1/4W

144577

R219

RES MF 10M 1% 1/4W

144575

R220

RES MF 10M 1% 1/4W

144575

R221

RES MF 2.67K .5% 1/4W

144614

R222

RES MF 200K 1% 1/4W

144531

R223

RES MF 2.67K .5% 1/4W

144614

R224

RES MF 200K 1% 1/4W

144531

R225

RES MF 1M 1% 1/4W

144577

R226

RES MF 1M 1% 1/4W

144577

R227

RES MF 10M 1% 1/4W

144575

R228

RES MF 10M 1% 1/4W

144575

R229

RES MF 1.91K .5% 1/4W

144613

R230

RES MF 1.91K .5% 1/4W

144613

R231

RES MF 267K 1% 1/4W

144532

R232

RES MF 267K 1% 1/4W

144532

R233

RES MF 22.1K 1% 1/4W

144564

R234

RES MF 221 OHM 1% 1/4W

144559

R235

RES MF 221 OHM 1% 1/4W

144559

R237

RES MF 1K 1% 1/4W

144513

R239

RES MF 100K 1% 1/4W

144528

R240

RES MF 2.21 OHM 1% 1/4W

144607

R241

RES MF 1K 1% 1/4W

144513

R242

RES MF 1K 1% 1/4W

144513

R243

RES MF 1K 1% 1/4W

144513

R244

RES NETWORK 2 X 220K ISO

144678

R245

RES MF 4.99K 1% 1/4W

144521

R248

RES MF 221 OHM 1% 1/4W

144559

R249

RES MF 221 OHM 1% 1/4W

144559

R250

RES MF 221K 1% 1/4W

144629

R251

RES MF 221K 1% 1/4W

144629

R252

RES MF 22.1K 1% 1/4W

144564

R254

RES MF 22.1K 1% 1/4W

144564

R255

RES MF 22.1K 1% 1/4W

144564

IC DUAL OPERATIONAL AMPLIFIER

133578

IC OPERATIONAL AMP LOW NOISE

133565

IC OPERATIONAL AMP LOW NOISE

133565

IC DUAL OPERATIONAL AMPLIFIER

133578

IC DUAL OPERATIONAL AMPLIFIER

133578

IC REGULATOR 5V

133597

IC REGULATOR -5V

133598

IC REGULATOR 5V

133597

IC REGULATOR -5V

133598

U10

IC STEREO DGTL VOLUME CONTROL 133637

U11

IC DUAL OPERATIONAL AMPLIFIER

133578

U12

IC SHFT REG SER-PAR

133594

U13

IC DUAL OPERATIONAL AMPLIFIER

133578

U14

IC DUAL OPERATIONAL AMPLIFIER

133578

U15

IC STEREO DGTL VOLUME CONTROL 133637

U16

IC DUAL OPERATIONAL AMPLIFIER

133578

U17

IC SHFT REG SER-PAR

133594

U18

IC DUAL OPERATIONAL AMPLIFIER

133578

U19

IC STEREO DGTL VOLUME CONTROL 133637

U20

IC DUAL OPERATIONAL AMPLIFIER

133578

U21

IC SHFT REG SER-PAR

133594

Summary of Contents for C45

Page 1: ... PCB 27 32 6 Channel Schematic and PCB 33 36 Tone Schematic and PCB 37 38 Data Schematic and PCB 39 40 Pushbutton Schematic and PCB 41 42 Tuner RAA1 Schematic and PCB 43 46 Tuner AM FM Alignment Procedure 47 48 Parts List 51 60 Exploded View and Parts Lists 61 65 Repacking Instructions 67 CONTENTS AUDIO CONTROL CENTER SERIAL NO XF1001 And Above Serial Number XF1001 And Above ...

Page 2: ...erRequirements 100Volts 50 60Hz 35 watts 110Volts 50 60Hz 35 watts 120Volts 50 60Hz 35 watts 220Volts 50 60Hz 35 watts 230Volts 50 60Hz 35 watts 240Volts 50 60Hz 35 watts Note Refer to the rear panel of the C45 for the correct voltage Overall Dimensions 17 1 2 inches 44 45cm W 6 inches 15 24cm H including feet 16 1 2 inches 41 91cm D including clearance for knobs and connectors Weight 21 pounds 9 ...

Page 3: ...ard 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 manufacturer NOTES Stereo Separation 45dBat100Hz 45dBat1 000Hz 35dBat10 000Hz SCA Rejection 65dB AMTuner Sensitivity 20uV External Antenna Input Signal To Noise Ratio 48dB at 30 modulati...

Page 4: ...4 REAR VIEW TOPVIEWWITHCOVERREMOVED SECTION LOCATION ...

Page 5: ...5 6 BLOCK DIAGRAM C45 ...

Page 6: ...7 8 BLOCK DIAGRAM con t ...

Page 7: ...INTERCONNECT 1 9 10 C45 ...

Page 8: ...NOTES 11 12 ...

Page 9: ...13 15 14 C45 MAIN 749850 SH 1 OF 5 2A ...

Page 10: ...16 18 17 MAIN 749850 SH 2 OF 5 2B ...

Page 11: ...MAIN 749850 SH 3 OF 5 2C 19 20 C45 ...

Page 12: ...MAIN 749850 SH 4 OF 5 2D 21 22 ...

Page 13: ...0V 5V 0V 1 1 GRN GRN 100k R239 1uF C188 CENTER 10uF C190 220pF C191 5 9 VAC FIL1 595CE TRIGGER_A 0V 5V VOLCK 595CE IR_DATA SCLK MPX FIL1 KEYPAD EXT DATA GND SCLK TUNER VOLUME CE J1 20 J1 21 VOLUME SDATA J1 15 J1 16 J1 10 J1 11 J1 5 J1 6 J1 1 1 GP2 F2 2A 3 4 220k R244 B 3300uF C179 2 3 1 IN OUT U23 3 4 2 1 K35 1uF C181 10uF C185 POWER TRANSFORMER 1uF C189 TO DISPLAY J23 4 J23 3 PLL DATA RIGHT LEFT ...

Page 14: ...25 26 MAIN 749850 PCB 2 ...

Page 15: ...DISPLAY 749851 SH 1 OF 2 3A 27 28 C45 ...

Page 16: ...LK J1 11 SCLK PLLCE TUNER_SS 6V PLLCE UPDATE J1 6 KEYPAD_UPDATE MPX D4 MPX FIL2 FIL1 J1 1 FIL1 324 R17 595CE SDATA MTGPAD3 MTGPAD2 SCL SDA MICROPROCESSOR ILLUMINATION 08 28 02 res P1169 C45 Display 2 of 2 VFDA VFCE 1uF C10 IR_DATA J2 11 J2 5 SIGNAL STRENGTH A D CONVERTER 1uF C13 TUNER VOLUME PRESENT GND J1 23 J1 22 EXT SENSOR EX DATA DATA IR TO J1 18 J1 19 J1 17 VOLDA VOLCE VOLCK SDATA2 VFD 24V J1...

Page 17: ...DISPLAY 749851 PCB 3 31 32 C45 ...

Page 18: ... 3 4 220k R3 B 1 2 220k R2 A 3 4 220k R2 B 3 4 220k R1 B 1 2 220k R1 A 3 4 2 1 K6 6CH2 3 4 2 1 K5 3 4 2 1 K4 6CH1 3 4 2 1 K12 D3 5V 3 4 2 1 K11 3 4 2 1 K10 D2 3 4 2 1 K8 3 4 2 1 K7 5V1 5V DRIVER DRIVER 10k R43 10k R45 5V 6CH1 6CH2 5V 0V 0V SUB MUTE 33 2k R24 221 R17 221 R18 33 2k R23 221 R16 33 2k R22 221 R13 221 R46 221 R44 221 R9 221 R10 221 R49 221 R47 221 R8 221 R7 3 4 2 1 K18 3 4 2 1 K17 D5 D...

Page 19: ...6 CHANNEL 749852 PCB 4 35 36 C45 ...

Page 20: ...2 1 K1 475 R8 3 4 2 1 K3 475k R11 475k R12 40 2k R13 22uF C13 22uF C14 470pF C16 0V 6 5 7 U1 B 100pF C17 0V 100pF C18 3 32k R18 15V 0V 10uF C24 10uF C23 10 R23 10 R24 0V R TO J11 15 GND J11 16 R FROM 2B J11 12 15V J11 7 2B GND J11 3 2B J11 4 2B GND L FROM TO MAIN 3 4 2 1 K2 475k R10 475k R9 470pF C15 2 3 1 U1 A 681 R3 J1 10 J1 5 J1 1 J1 18 J1 13 681 R2 3 4 1 2 CCW R1 A 100k 7 6 5 U2 B 033uF C4 100...

Page 21: ...DATA 749854 SCH and PCB 6 39 40 C45 ...

Page 22: ...2 11 J2 5 TO DISPLAY GND 2C L HDPH 2C TUNE S5 TRIM LEVEL TUNE S6 TRIM S8 0V 5V 0V 0V 5V 5V 5V HDPH R HDPH 2C 100pF C3 STANDBY ON S1 MUTE LEVEL S2 S4 1uF C1 5V 100 R1 5V 5V ENTER S7 MODE IR SENSOR GND J3 9 PANEL IR PANEL IR FRONT J3 11 J3 5 1 3 2 J2 SET UP S3 47uF C2 GND FRONT J3 3 J3 7 J3 1 J3 12 J3 2 J3 6 J3 8 J3 10 J3 4 2 1 3 Vcc Vout GND MT1 J1 2 TONE BYPASS J1 1 J1 3 HEADPHONES ...

Page 23: ...TUNER 049084 SCH 8 43 44 C45 ...

Page 24: ...45 46 TUNER 049084 PCB 8 RAA1 SECTION 9 Rev B ...

Page 25: ...h the Generator to stereo left only and adjust T10 FM IF Transformer for the lowest distortion at the TUNER IN OUT RCA jacks 15 Switch the Analyzer to the right channel TUNER IN OUT jack and adjust R71 MPX SEParation Pot for best separa tion minimum output 16 Switch the Generator to the Right Channel and the Ana lyzer to the Left Channel Adjust R71 MPX SEParation Pot and check for best separation ...

Page 26: ...49 50 NOTES ...

Page 27: ...LECT 10UF 16V 066580 C56 CAP ELECT 10UF 16V 066580 C57 CAP ELECT 10UF 16V 066580 C58 CAP ELECT 10UF 16V 066580 C59 CAP ELECT 10UF 50V 066445 C60 CAP ELECT 10UF 50V 066445 C69 CAP ELECT 10UF 50V 066445 C61 CAP MONO 100PF 100V 10 NPO 061341 C62 CAP MONO 100PF 100V 10 NPO 061341 C63 CAP MONO 100PF 100V 10 NPO 061341 C64 CAP MONO 100PF 100V 10 NPO 061341 C65 CAP MONO 1UF 50V 20 Z5U 061346 C66 CAP MONO...

Page 28: ...AP POLYPROP 047UF 10 250VDC 064364 C173 CAP ELECT 47UF 50V 066215 C174 CAP ELECT 22UF 100V 066574 C175 CAP ELECT 47UF 35V 066446 C176 CAP ELECT 470UF 50V 066469 C177 CAP ELECT 3300UF 35V 066509 C178 CAP ELECT 3300UF 35V 066509 C179 CAP ELECT 3300UF 35V 066509 C180 CAP MONO 1UF 50V 20 Z5U 061346 C181 CAP MONO 1UF 50V 20 Z5U 061346 C182 CAP MONO 1UF 50V 20 Z5U 061346 C183 CAP MONO 1UF 50V 20 Z5U 061...

Page 29: ...32304 Q2 TRANSISTOR PNP SILICON 132304 Q3 TRANSISTOR N JFET 132319 Q4 TRANSISTOR N JFET 132319 Q5 TRANSISTOR PNP SILICON 132304 Q6 TRANSISTOR PNP SILICON 132304 Q7 TRANSISTOR N JFET 132319 Q8 TRANSISTOR N JFET 132319 Q9 TRANSISTOR PNP SILICON 132304 Q10 TRANSISTOR PNP SILICON 132304 Q11 TRANSISTOR N JFET 132319 Q12 TRANSISTOR N JFET 132319 Q13 TRANSISTOR PNP SILICON 132304 Q14 TRANSISTOR PNP SILIC...

Page 30: ... Cont d MAIN PCB 749850 Cont d Ref No Description Part No Ref No Description Part No R87 RES MF 10M 1 1 4W 144575 R88 RES MF 3 79K 5 1 4W 144711 R89 RES MF 3 79K 5 1 4W 144711 R90 RES MF 200K 1 1 4W 144531 R91 RES MF 200K 1 1 4W 144531 R92 RES MF 267K 1 1 4W 144532 R93 RES MF 267K 1 1 4W 144532 R94 RES MF 1M 1 1 4W 144577 R95 RES MF 1M 1 1 4W 144577 R96 RES MF 10M 1 1 4W 144575 R97 RES MF 10M 1 1 ...

Page 31: ...escription Part No R209 RES MF 10M 1 1 4W 144575 R210 RES MF 10M 1 1 4W 144575 R211 RES MF 3 79K 5 1 4W 144711 R212 RES MF 3 79K 5 1 4W 144711 R213 RES MF 200K 1 1 4W 144531 R214 RES MF 267K 1 1 4W 144532 R214 RES MF 200K 1 1 4W 144531 R216 RES MF 267K 1 1 4W 144532 R217 RES MF 1M 1 1 4W 144577 R218 RES MF 1M 1 1 4W 144577 R219 RES MF 10M 1 1 4W 144575 R220 RES MF 10M 1 1 4W 144575 R221 RES MF 2 6...

Page 32: ...ENGTH 163001 DS11 LED SQUARE RED 058109 DS11 LED SPACER 220 LENGTH 163001 J1 CONN 23 PIN FFC 117906 J2 CONN 12 PIN FFC 117907 K1 RELAY REED FORM 1A 5V 500 OHMS 087050 MTGPAD1 DOUBLE COATED MTG TAPE 1 16 TK 094409 MTGPAD2 DOUBLE COATED MTG TAPE 1 16 TK 094409 MTGPAD3 DOUBLE COATED MTG TAPE 1 16 TK 094409 PCB1 PC BD DISPLAY 129725 Q1 TRANSISTOR NPN SILICON 132317 R1 RES MF 10 OHM 1 1 4W 144553 R2 RE...

Page 33: ...AY REED FORM 1A 5V 500 OHMS 087050 K10 RELAY REED FORM 1A 5V 500 OHMS 087050 K11 RELAY REED FORM 1A 5V 500 OHMS 087050 K12 RELAY REED FORM 1A 5V 500 OHMS 087050 K13 RELAY REED FORM 1A 5V 500 OHMS 087050 K14 RELAY REED FORM 1A 5V 500 OHMS 087050 K15 RELAY REED FORM 1A 5V 500 OHMS 087050 K16 RELAY REED FORM 1A 5V 500 OHMS 087050 K17 RELAY REED FORM 1A 5V 500 OHMS 087050 K18 RELAY REED FORM 1A 5V 500...

Page 34: ...ERTION PCB TONE 702003 6 DATAPCB 749854 Ref No Description Part No C1 CAP MONO 1UF 50V 20 Z5U 061346 C2 CAP MONO 1000PF 50V 10 NPO 061344 C3 CAP MONO 1UF 50V 20 Z5U 061346 C4 CAP MONO 1UF 50V 20 Z5U 061346 C5 CAP MONO 100PF 100V 10 NPO 061341 D1 DIODE SILICON 070174 D2 DIODE SILICON 070174 D3 DIODE SILICON 070174 IC1 IC MONOSTB MULTIVIB X 2 133593 IC2 COUPLER OPTICAL SCHMITT OUTPUT131030 J1 JACK H...

Page 35: ... 0022UF 5 100V NPO 061335 C26 CAP MONO 0 1UF 20 50V 061328 C27 CAP MONO 0 1UF 20 50V 061328 C28 CAP MONO 047UF 10 50V X7R 061334 C29 CAP MONO 0 1UF 20 50V 061328 C30 CAP MONO 0 1UF 20 50V 061328 C31 CAP MONO 0022UF 5 100V NPO 061335 C32 CAP MONO 10PF 10 100V 061336 C33 CAP MONO 047UF 10 50V X7R 061334 C34 CAP MONO 0 1UF 20 50V 061328 C35 DISC CAP 1 8PF 25PF NPO 061356 C36 M POLY CAP 015UF 5 63V DC...

Page 36: ... 4W 144504 R13 RES MF 47 5K 1 1 4W 144526 R14 RES MF 100 OHM 1 1 4W 144568 R15 RES MF 10K 1 1 4W 144504 R16 RES MF 2 21M 1 1 4W 144576 R17 RES MF 22 1K 1 1 4W 144564 R18 RES MF 47 5K 1 1 4W 144526 R19 RES MF 10K 1 1 4W 144504 R20 RES MF 15K 1 1 4W 144623 R21 RES MF 100 OHM 1 1 4W 144568 R22 RES MF 4 75K 1 1 4W 144520 R23 RES MF 324 OHM 1 1 4W 144597 R24 RES MF 4 75K 1 1 4W 144520 R25 METAL FILM RE...

Page 37: ...EXPLODED VIEW 61 62 C45 ...

Page 38: ...63 64 EXPLODED VIEW con t ...

Page 39: ...CK 5 16 X 435 X 002 34 410004 NUT CONTROL M7 X 75 HEX 35 402001 NUT KEP 4 40 CADMIUM PLATE 36 749853 ASSY TONE PCB 37 005214 PANEL SIDE LEFT 38 005213 PANEL SIDE RIGHT 39 005337 CHASSIS TRAY 40 159340 TRANSFORMER R CORE POWER 41 402045 NUT KEP 6 32 SPECIAL 42 017160 TAB MOUNTING 140 DIA 43 074091 TERMINAL BLOCK AC 44 404001 WASHER FLAT STEL 4 X 9 32 X 025 45 404142 WASHER LOCK 2 5mm INT STAR ZINC ...

Page 40: ...NOTES 66 ...

Page 41: ...REPACKING INSTRUCTION C45 67 ...

Page 42: ... 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 040894 AUDIO CONTROL CENTER SERIAL NO XF1001 And Above ...

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