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SERVICE MANUAL

Performance Specifications ..........................................2
Notes ...........................................................................3
Safety  Information ......................................................3
Rear Panel ...................................................................5
Section Location ..........................................................5
Block Diagram ............................................................6
Interconnection Diagram ........................................7 - 8
Main Schematic and PCB .................................... 9 - 16

Display Schematic and PCB................................17 - 20
Control Schematic and PCB ................................21 - 22
Power Schematic and PCB ..................................23 - 24
Primary Schematic and PCB ...............................27 - 28
Headphone Schematic and PCB .........................29 - 30
Parts List .............................................................31 - 36
Repacking Instructions ...............................................37

CONTENTS

SERIAL NO. YM1001 And Above

MCD301

SACD / CD PLAYER

Summary of Contents for MCD301

Page 1: ...6 Interconnection Diagram 7 8 Main Schematic and PCB 9 16 Display Schematic and PCB 17 20 Control Schematic and PCB 21 22 Power Schematic and PCB 23 24 Primary Schematic and PCB 27 28 Headphone Schema...

Page 2: ...ransport Laser Type Twin Beam Laser Beam Wavelength 650nm SACD 790nm CD Laser Power CLASS IIa CLASS I Power Requirements 100 Volts 50 60Hz at 35 watts 110 Volts 50 60Hz at 35 watts 120 Volts 50 60Hz a...

Page 3: ...eMcIntoshRemoteControlModelHR056withthe MCD301 NOTES SAFETY INFORMATION CAUTION Invisible Laser Radiation when open DO NOT stare into the beam or view directly with optical instruments Use of controls...

Page 4: ...4 NOTES...

Page 5: ...MCD301 REAR PANEL SECTION LOCATIONS TOP VIEW WITH COVER REMOVED 5...

Page 6: ...BLOCK DIAGRAM 6...

Page 7: ...D PLRCK GND PBCK GND MS MDI MC MDO RST PURE DIR MODE 3 GND MCLK GND MCK2 GND DBCK LEFT GND RIGHT GND J16 4 1 REM IN REM OUT A2 MUTE LED A3 GND A0 INI A1 CL LEV D DI LEV U CE NS5V RST SSTBY ON GND J1 2...

Page 8: ...5 6 P1 6 5 P2 5 16 XTAL P3 0 9 VSS 7 P0 0 3 P0 1 26 P2 7 28 P2 0 1 U2 10uF C7 1uF C8 OPTICAL OUT 1uF C3 1uF C1 COAXIAL OUT 1uF C2 150pF C5 1 2 3 FN1 2 1 J2 47uF C4 1uF C6 47uF C9 18uH L1 332 R4 100 R3...

Page 9: ...5 1k R146 1k R147 47uF C103 47uF C104 47uF C102 47uF C105 47uF C106 47uF C107 OMUTE 12VA 11 5VA 12VA 11 5VA LEFT LEFT RIGHT RIGHT 11 5VA 11 5VA 11 5VA 11 5VA 11 5VA 11 5VA 11 5VA 11 5VA 11 5VA 11 5VA...

Page 10: ...194 D9 1 33k R152 1 33k R155 RIGHT BALANCED VARIABLE OUTPUT DRIVER 22uF C125 LEFT BALANCED VARIABLE OUTPUT DRIVER 499 R172 VARIABLE RIGHT BALANCED OUTPUT 499 R170 J16 3 2 1 3 4 K2 10 R203 2 1 3 4 K1 D...

Page 11: ...MCD301 MAIN 750771 PCB 2 15 16 J16...

Page 12: ...5 J2 6 J2 7 J2 8 J2 9 J2 10 J2 11 J2 12 J2 13 1 2 3 FN1 GND GND GND RST CS CLK DATA KEY0 KEY1 GND REM OUT GND NC NC GND 1k R5 1k R6 1uF C2 1uF C4 150 R1 150 R3 PGND 22 VDD 20 OSC 19 CS 17 DA 15 TSA 1...

Page 13: ...MCD301 19 20 DISPLAY 750773 PCB 4...

Page 14: ...CB 5 21 22 100 R1 DS1 GND GND 5VD GND NEXT BACK 1uF C2 1uF C3 3 2 1 CCW CW S1 100 R4 1uF C4 DS3 1 2 3 S2 LEV U J1 1 J1 8 LEV D J1 3 J1 4 J1 5 J1 7 100 R2 J1 2 DS2 J1 6 J3 1 J3 8 J3 3 J3 4 J3 5 J3 7 J3...

Page 15: ...3VD GND 5VD GND 12VA 1 2 3 FN1 220uF C12 D12 D11 3 1 2 Q1 220uF C11 10k R6 47uF C8 D7 47uF C6 10k R5 2 3 1 4 K1 22 1 R4 NS5V D3 D4 D5 D6 033uF C4 22000uF C3 1uF C2 470uF C1 1 8V F F 32V REGULATOR 1 8...

Page 16: ...POWER 750772 PCB 6 25 26...

Page 17: ...0V A 0V B 20V B 0V A 0V B 20V B 0V A 20V B 100V AC 120V AC 240V AC AC H 1A F1 0V B 220V AC J6 J5 J4 4 J4 3 120V B J3 3 120V B 100V A J2 3 120V B 100V A J1 3 J1 2 120V B J4 6 120V A 100V A J4 2 J4 1 12...

Page 18: ...HEADPHONE 750296 SCH and PCB 8 29 30 GND RIGHT LEFT GND 2 3 1 J1 1uF C1 J2 4 J2 2 J2 3 J2 1 J16 1 J16 3 J16 2 J16 4 2 2 2 2...

Page 19: ...U 061346 C59 CAP MONO 1UF 50V 20 Z5U 061346 C60 CAP ELECT 47UF 16V 066380 C61 CAP ELECT 47UF 16V 066380 C62 CAP ELECT 10UF 16V 066580 C63 CAP MONO 1UF 50V 20 Z5U 061346 C64 CAP MONO 100PF 100V 10 NPO...

Page 20: ...LE 117686 K1 RELAY REED FORM 1A 5V 500 OHMS 087050 K2 RELAY REED FORM 1A 5V 500 OHMS 087050 L1 CHOKE 18UH 5 10 122394 L2 BEADS FERRITE LEADED 076023 L3 BEADS FERRITE LEADED 076023 L4 BEADS FERRITE LEA...

Page 21: ...4505 R89 RES MF 365 OHM 1 1 4W 144505 R90 RES MF 11K 1 1 4W 144523 R91 RES MF 365 OHM 1 1 4W 144505 R92 RES MF 365 OHM 1 1 4W 144505 R93 RES MF 365 OHM 1 1 4W 144505 R94 RES MF 365 OHM 1 1 4W 144505 R...

Page 22: ...GLE 2 INPUT NOR GATE 133500 U4 SINGLE 2 INPUT NAND GATE 133501 U5 SINGLE 2 INPUT AND GATE 133552 U6 SINGLE 2 INPUT AND GATE 133552 U7 SINGLE 2 INPUT OR GATE 133516 U8 SINGLE 2 INPUT AND GATE 133552 U9...

Page 23: ...T 150058 S8 SWITCH PB TACT 150058 S9 SWITCH PB TACT 150058 U1 DECIMAL TO BCD ENCODER 133454 C2 CAP MONO 1UF 50V 20 Z5U 061346 C3 CAP MONO 1UF 50V 20 Z5U 061346 C4 CAP MONO 1UF 50V 20 Z5U 061346 DS1 LE...

Page 24: ...44733 R2 RES MF 1 82K 1 1 4W 144582 R3 RES MF 1 82K 1 1 4W 144582 R4 RES MF 22 1 OHM 1 1 4W 144554 R5 RES MF 10K 1 1 4W 144504 R6 RES MF 10K 1 1 4W 144504 R7 RES MO 56 2 1 1W 144695 R8 RES MF 10K 1 1...

Page 25: ...hipping damage Use the original shipping carton and interior parts only if they are all in good serviceable condition If a shipping carton or any of the interior part s are needed please call or write...

Page 26: ...ecause 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 inform...

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