Text preview for : McIntosh-MCD301 cd.pdf part of McIntosh MCD301 cd player
Back to : McIntosh-MCD301 cd.pdf | Home
MCD301
MCD301 SACD / CD PLAYER
SERIAL NO. YM1001 And Above
CONTENTS
Performance Specifications ..........................................2 Display Schematic and PCB................................17 - 20
Notes...........................................................................3 Control Schematic and PCB................................21 - 22
Safety Information ......................................................3 Power Schematic and PCB..................................23 - 24
Rear Panel ...................................................................5 Primary Schematic and PCB ...............................27 - 28
Section Location ..........................................................5 Headphone Schematic and PCB .........................29 - 30
Block Diagram ............................................................6 Parts List .............................................................31 - 36
Interconnection Diagram ........................................7 - 8 Repacking Instructions...............................................37
Main Schematic and PCB .................................... 9 - 16
SERVICE MANUAL
PERFORMANCE SPECIFICATIONS
Audio Specifications Transport
Laser Type: Twin Beam
Fixed Output level Laser Beam Wavelength: 650nm
2.0Vrms Unbalanced (SACD)/790nm (CD)
4.0Vrms Balanced Laser Power: CLASS IIa/CLASS I
Variable Output level
0 - 6.0Vrms Unbalanced Power Requirements
0- 12.0Vrms Balanced 100 Volts, 50/60Hz at 35 watts
110 Volts, 50/60Hz at 35 watts
Output Impedance 120 Volts, 50/60Hz at 35 watts
600 ohms Unbalanced and Balanced 220 Volts, 50/60Hz at 35 watts
230 Volts, 50/60Hz at 35 watts
Frequency Response 240 Volts, 50/60Hz at 35 watts
4Hz to 40,000Hz, +0.5, -3dB (SACD) Standby: Less than 1 watt
4Hz to 20,000Hz, ±0.5dB (CD) Note: Refer to the rear panel of the MCD301 for the
correct voltage.
Signal to Noise Ratio
Better than 110dB (A-weighted) Overall Dimensions
Width is 17-1/2 inches (44.45cm)
Dynamic Range Height is 6 inches (15.24cm)
Better than 100dB Depth is 16-1/2 inches (41.91cm)
Note: When the Disc Tray is opened, the panel
Harmonic Distortion clearance required in front of mounting panel is 6-3/4
0.002% @ 1000Hz (SACD) inches (17.2cm).
0.003% @ 1000Hz (CD)
Weight
Channel Separation 28.2 pounds (12.8Kg) net, 44.6 pounds
Better than 98dB (1,000Hz) (20.2Kg) in shipping carton
General Specifications Shipping Carton Dimensions
Width is 26-1/2 inches (67.3cm)
Digital Output Depth is 24-1/4 inches (62.2cm)
Optical: - 15dbm to -21dbm (PCM) Height is 11-3/4 inches (29.9cm)
Coaxial: 0.5V p-p/75 ohm (PCM)
Sampling Frequencies: 44.1kHz (PCM)
2
MCD301
NOTES
1. The heavy notes on the schematic denote the primary 4. On PC board drawings, Square pad indicates:
signal path. a. Polarized Capacitors - Positive
b. Diodes - Cathode
2. Unless otherwise noted, all voltages indicated on the c. Others - Pin 1
schematics are measured under the following conditions:
a. AC input at 120 volts, 50/60Hz. 5. WARNING
b. All voltages are +/-10% with respect to ground. A Parts marked with the symbol have critical
high impedance (10 megaohm) voltmeter must be used. characteristics. Use only replacement parts recom-
mended by the manufacturer.
3. Unlessotherwisespecified:
a. Resistor values are in ohms. 6. Use McIntosh Remote Control Model HR056 with the
b. Capacitor values are microfarads (uF). MCD301.
c. Inductor values are in microhenries (uH).
SAFETY INFORMATION
CAUTION: Invisible Laser Radiation when open.
DO NOT stare into the beam or view
directly with optical instruments. Use of
controls or adjustments or performance
of procedures other than those speci-
fiedintheOwnersManualmayresult
in Hazardous Radiation Exposure.
Servicing of laser mechanism is to be
performed at the service facility at
McIntosh Laboratory Inc.
This product incorporates an embedded
Class 3R Laser (IEC60825-1).
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPARAT
VAROITUS! Laitteen kayttaminen muulla kuin
tassa kayttoohjeessa mainitulla
tavalla saattaa altistaa kayttajan
turvallisuusluokan 1 ylittavalle
nakymattomalle lasersateiiylle.
VARNING! Om apparaten anvands pa annat
satt an i denna bruksanvisning
specificerats,kananvandaren
utsattas for osynbg laserstraining,
som overskrider gransen for
laserklass 1.
3
NOTES
4
MCD301
REAR PANEL
SECTION LOCATIONS
TOP VIEW WITH COVER REMOVED
5
BLOCK DIAGRAM
6
MCD301
INTERCONNECT
120V AC
50/60Hz
GND GND
18
1
GND GND
17
2
GND GND
WHT NS3.3V NS3.3V J16
BLK
POWER IN POWER IN 1 4
POWER POWER
GND GND
12
-12VA -12VA
2 MAIN
RIGHT
LEFT
GND
GND
11
GND GND
J4
J7
12VA 12VA
GND GND
11
5VD 5VD
12
GND GND
3.3VD 3.3VD
GND GND
NS5V NS5V
NS5V NS5V
17
2
GND GND
18
1
6 POWER
NS3.3V
10
POWER
GND
-12V
POWER
SPDIF SPDIF
NS3.3V
3.3VD
25
GND
GND
GND
GND
-12V
1
5VD
12V
GND GND GND
24
J3
12V MUTE MUTE
GND MODE MODE
5VD GND GND
1 10
GND DSDL/PDL DSDL/PDL
3.3VD CY101
DSDR/PDR DSDR/PDR
1
GND GND
PLRCK PLRCK
GND GND
PBCK PBCK
5VD
GND GND
7
3.3VD
CX251
MS MS
J8
13
GND
13
MDI MDI
J2 3.2V
J1
MC MC
GND
1 MDO MDO
9 F-
RST RST
F+
PURE DIR PURE DIR
1
MODE 3 MODE 3
RED
RED
BRN
BRN
GND GND
BLU
YEL
YEL
BLK
MCLK MCLK
GND GND
AC11.5VCT
MCK2 MCK2
AC26VCT
AC11.5V
AC11.5V
AC26V
AC26V
AC6V
AC6V
GND GND
2
DBCK DBCK
25
1
GND
1
NC J1
NC 2 18
GND 1 17
REM OUT
T1 GND
CX131
GRN
MUTE LED
SSTBY/ON
3
REM OUT
MECHANISM
KEY1
REM IN
LEV-D
LEV-U
NS5V
GND
GND
RST
BLK KEY0
CE
INI
CL
A2
A3
A0
A1
DI
DATA
J6 J5 GRN CLK
YEL CS
RST
WHT
ORN
GRY
BLU
BLK
VIO
BLU GND
13
GRY BLU
12OVB
CX131
120VA
100VA
20VB
0VB
0VA
VIO YEL
ORN RED
LEV-D
LEV-U
BACK
NEXT
GND
GND
GND
5VD
1 6
J3
WHT
BLK
5 CONTROL
J1 8 2
7 RED 7 1
PRIMARY
3.3VD
LEV-D
LEV-U
BACK
NEXT
GND
GND
GND
GND
GND
5VD
32V
5VD
F+
F-
REM OUT
DATA
KEY1
KEY0
GND
GND
GND
GND
RST
CLK
NC
NC
CS
7 1
J3 8 2
J1
13 1 7 1
RIGHT
LEFT
GND
GND
12 2
4 DISPLAY J2
MUTE LED
REM OUT
STBY/ON
REM IN
LEV-D
LEV-U
NS5V
GND
GND
RST
CE
INI
CL
A2
A3
A0
A1
DI
4 1
J2
17
8
1
18 2
J4
HEADPHONE
7 8
2 MAIN 750771 SCH 1 OF 3
FN1 L7
2 1
COAXIAL OUT C7 100uH
R4 J7:14 3.3VD
J2 332 10uF
3.3VD 3.3VA 6 J4:14
2 3 1 5
1 6
3
220uF
C40
C8 4 J7:13 GND
R17
.1uF Q1 6 J4:13
150pF
2K
100
4 2 3 1
C5
R3
U1B
T1 10 J7:12 5VD
R35
8 332 D2 5VA 6 J4:12
9 5 1 5 1
R18 VCC A VCC A 100uH
220uF
220uF
C149
2
1
C148
.1uF
.1uF 47.5k
C39
R24 2 2 L6 J7:11 GND
C2 U1C 10k B B R41 R42
D3 4.7 4.7 6 J4:11
2 4 3 4 3 100k
13 Q3 Y GND Y GND