McIntosh D100 Service Manual
McIntosh D100 Service Manual

McIntosh D100 Service Manual

Digital preamplifier
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Performance Specifications ..........................................2
Notes ...........................................................................2
Rear Panel ...................................................................3
Section Location ..........................................................4
Block Diagram .......................................................5 - 6
Interconnection Diagram ........................................7 - 8
Power Schematic and PCB ....................................9 - 12
SERVICE MANUAL
D100
DIGITAL PREAMPLIFIER
SERIAL NO. ACP1001 And Above
CONTENTS
Main Schematic and PCB ...................................13 - 22
Display Schematic and PCB................................23 - 26
Audio Schematic and PCB ..................................27 - 32
Control Schematic and PCB ................................33 - 34
Headphone Schematic and PCB .........................35 - 36
Parts List .............................................................37 - 43
Repacking Instruction ................................................45
D100

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Summary of Contents for McIntosh D100

  • Page 1: Table Of Contents

    D100 D100 DIGITAL PREAMPLIFIER SERIAL NO. ACP1001 And Above CONTENTS Performance Specifications ..........2 Main Schematic and PCB ........13 - 22 Notes ................2 Display Schematic and PCB........23 - 26 Rear Panel ..............3 Audio Schematic and PCB ........27 - 32 Section Location ............4 Control Schematic and PCB ........33 - 34...
  • Page 2: Performance Specifications

    230 Volts, 50/60Hz at 20 watts Dynamic Range 240 Volts, 50/60Hz at 20 watts 100dB Standby Power, less than 0.25 watts Note: Refer to the rear panel of the D100 for the correct volt- Output Impedance age. 600 ohms Unbalanced and Balanced Overall Dimensions Headphone Load Impedance Width is 17-1/2 inches (44.45cm)
  • Page 3: Rear Panel

    D100 REAR PANEL...
  • Page 4: Section Location

    SECTION LOCATION TOP VIEW AUDIO MAIN POWER HEADPHONE REAR VIEW OF FRONT PANEL CONTROL DISPLAY...
  • Page 5: Block Diagram

    D100 BLOCK DIAGRAM...
  • Page 6 INTERCONNECT 120V AC 50/60Hz 171723 MAIN AUDIO CA8 173169 POWER CONTROL PCB HEADPHONE DISPLAY PCB...
  • Page 7 D100 POWER 751447 SCH PRIMARY LINE VOLTAGE 3.3V REGULATOR 100-120VAC 50/60Hz 20W T630mAL T500mAL250V AC14V J20:9 220-240VAC 50/60Hz 20W T315mAL VOUT AC14VCT J20:8 T500mAL250V AC14V J20:7 AC26V J20:6 5V REGULATOR T500mAL250V AC26VCT J20:5 VOUT T500mAL250V AC26V J20:4 AC6V J20:3 12V REGULATOR...
  • Page 8 POWER 751447 PCB...
  • Page 9 D100 MAIN 751443 SCH 1 of 4 J5:10 RESET DATA CLOCK LATCH CSINT 3.3VD J5:9 2.21K 3.3VD J14:7 CLKB J5:7 J5:5 J14:5 RSTB J5:3 100K .1UF J5:4 .1UF J14:6 22.1 HMUTE NS3.3V J5:11 J14:8 RERR/NON AUDIO MUTE OMUTE 12VD J5:6 J14:9 .1UF...
  • Page 10 MAIN 751443 SCH 2 of 4 100µH 3.3VD 100µH COAXIAL1 IN .01uF .1UF .01uF COAXIAL2 IN USB ON/OFF RXP3 OLRCK RXP2 OSCLK .01uF RXP1 SDOUT I2S BCK OPTICAL1 IN RXP0 OMCK 47.5K I2S LRC OPT1 .01uF RMCK I2S DAT .01uF AGND DGND I2S DATA...
  • Page 11 D100 MAIN 751443 SCH 3 of 4 J2:1 J2:2 J2:3 3.3VD J2:4 NS3.3V .01µF .1µF R139 J4:1 J4:2 USB_VBUS 3.3V VDDIO J4:3 J4:4 6.81K RESET_N CASE USB_VBIAS RESET_N GNDIO J4:5 J4:6 CASE 12pF DMHS EVTO VDDIO HSD1+ DPHS J4:7 J4:8...
  • Page 12 MAIN 751443 SCH 4 of 4 3.3VD C143 .1µF C145 .1µF START C140 100pF C147 .1µF 32BIT 24BIT/32BIT C152 .1µF C144 .1µF C146 .1µF C142 .1µF C148 .1µF C150 .1µF I2S DAT I2S LRC C149 .1µF C151 .1µF I2S BCK BIT RESET...
  • Page 13 D100 MAIN 751443 PCB...
  • Page 14 DISPLAY 751445 SCH -32V J1:7 J1:4 FIL6VAC J1:5 FIL6VAC J1:3 3.3VD J1:1 J1:6 J1:2 J1:8 SG20 SG19 SG18 SG17 SG16 MUTE J3:18 SG15 SG14 MUTE LED J3:17 SG13 GR10 SG12 RSTB J3:16 GR11 SG11 GR12 SG10 J3:15 GR13 GR14 J3:14 GR15 GR16 J3:13...
  • Page 15 D100 DISPLAY 751445 PCB...
  • Page 16 AUDIO 751444 SCH 1 of 2 R214 1.37k LEFT+ -14.5VA BALANCED OUTPUT DRIVER OMUTE 1.21k R106 R130 R136 -14.5VA 47uF U22:1 47uF .001uF 47uF 330pF C103 TP 1 3.3VD 14.5VA LEFT+ .1UF 14.5VA 14.5VA R100 -3.3V R142 2.55k LEFT- U17:1 BALANCED R111 OUTPUT DRIVER...
  • Page 17 D100 AUDIO 751444 SCH 2 of 2 VARIABLE LEFT+ -14.5VA BALANCED OMUTE OUTPUT DRIVER C126 R170 C132 R176 47uF 47uF VARIABLE U27:1 LEFT BALANCED OUTPUT R182 14.5VA R148 R149 VARIABLE LEFT- BALANCED OUTPUT DRIVER C127 C133 LEFT R171 R177 HEADPHONE...
  • Page 18 AUDIO 751444 PCB...
  • Page 19 D100 CONTROL 751446 SCH and PCB J1:1 INPUT CCW J1:9 INPUT CW J1:7 LEV-D J1:5 J1:2 J1:4 LEV-U J1:3 .1µF J1:6 J1:8 .1µF J1:10 J1:11 J1:12...
  • Page 20 HEADPHONE 751451 SCH and PCB LEFT J2:4 J2:3 RIGHT J2:2 J2:1...
  • Page 21: Parts List

    HOLDER FUSE 5X20 PCB MOUNT 178159 HOLDER FUSE 5X20 PCB MOUNT 178159 TRANSFORMER POWER HOLDER FUSE 5X20 PCB MOUNT 178159 CONTACT MCINTOSH LABORATORY, INC. HOLDER FUSE 5X20 PCB MOUNT 178159 HOLDER FUSE 5X20 PCB MOUNT 178159 POWER PCB 751447 CONNECTOR 2PIN HEADER 11.88MM...
  • Page 22 PARTS LIST (Cont’d.) POWER PCB 751447 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. CAP ELECT 3300UF 35V 066509 IC SINGLE NAND SCHMITT SMD 133724 CAP .01UF 50V 20% SMD0805 061372 IC SINGLE 2-INPUT AND GATE SMD 133502 CAP MONO .1UF 50V 20% SMD0805 061365...
  • Page 23 D100 PARTS LIST (Cont’d.) MAIN PCB 751443 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. 10 PIN HEADER 117829 RES SMD0805 100 1/8W 1% 145005 CONN 18 PIN FFC SMD 118003 RES SMD0805 47.5K 1/8W 1% 145013...
  • Page 24 PARTS LIST (Cont’d.) MAIN PCB 751443 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. R137 RES SMD0805 47.5K 1/8W 1% 145013 LED RED 5MM ROUND 058187 R138 RES SMD0805 10K 1/8W 1% 145010 (DS4) LED SPACER .220 LENGTH 163001 R139 RES SMD0805 0 1/8W 0%...
  • Page 25 D100 PARTS LIST (Cont’d.) AUDIO PCB 751444 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. C155 CAP ELECT 100UF 25V SMD 066605 CAP ELECT 47UF 35V SMD 066604 CAP MONO .1UF 50V 20% SMD0805 061365 C156 CAP MONO .1UF 50V 20% SMD0805 061365 CAP MPF 0.0033UF 5% 63VDC...
  • Page 26 PARTS LIST (Cont’d.) AUDIO PCB 751444 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. RES SMD0805 1K 1/8W 1% 145007 R122 RES MF 5.62OHM 1% 1/4W 144556 RES SMD0805 47.5 1/8W 1% 145004 R123 RES MF 5.62OHM 1% 1/4W 144556 RES SMD0805 47.5K 1/8W 1% 145013...
  • Page 27 D100 PARTS LIST (Cont’d.) AUDIO PCB 751444 (Cont’d.) AUDIO PCB 751444 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. R195 RES MF 10 OHM 1% 1/4W 144553 IC DUAL AMP 5532 SMD 133718 R196 RES MF 10 OHM 1% 1/4W...
  • Page 28 NOTES...
  • Page 29: Repacking Instruction

    If a shipping carton or any of the interior 404080 #10 Flat washer part(s) are needed, please call or write Customer Service Department of McIntosh Laboratory. Refer to page 3. Please see the Part List for the correct part numbers.
  • Page 30 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.

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