McIntosh MCD301, Service Manual

Page: 7 / 26

MCD301
INTERCONNECT
7 8
120V AC
50/60Hz
CX131
MAIN
J4
BLK WHT
GND
GND
GND
NS3.3V
POWER IN
POWER
GND
-12VA
GND
12VA
GND
5VD
GND
3.3VD
GND
NS5V
NS5V
GND
18
12
17
11
2
1
NS3.3V
POWER
GND
-12V
GND
12V
GND
5VD
GND
3.3VD
10
1
J3
GND
GND
GND
NS3.3V
POWER IN
POWER
GND
-12VA
GND
12VA
GND
5VD
GND
3.3VD
GND
NS5V
NS5V
GND
J7
18
12
17
11
2
1
3.3VD GND 5VD GND 12V GND -12V GND POWER NS3.3V
CY101
10 1
SPDIF
GND
MUTE
MODE
GND
DSDL/PDL
DSDR/PDR
GND
PLRCK
GND
PBCK
GND
MS
MDI
MC
MDO
RST
PURE DIR
MODE 3
GND
MCLK
GND
MCK2
GND
DBCK
J8
2
13
25
CX251
25
13
1
GND
NC
NC
GND
REM OUT
GND
KEY1
KEY0
DATA
CLK
CS
RST
GND
CX131
1
13
24
1
SPDIF
GND
MUTE
MODE
GND
DSDL/PDL
DSDR/PDR
GND
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
1
17
18
J1 8
7
2
1
GND BACK GND NEXT GND LEV-D 5VD LEV-U
J3
8
7
2
1
GND BACK GND NEXT GND LEV-D 5VD LEV-U
J4
18
17
2
1
REM IN REM OUT
A2
MUTE LED
A3 GND A0 INI A1 CL LEV-D DI LEV-U CE NS5V RST
STBY/ON
GND
GND NC NC GND
REM OUT
GND KEY1 KEY0 DATA CLK CS RST GND
J2
12
13
2
1
5VD 3.3VD GND 32V GND
F- F+
J1
7 1
LEFT GND RIGHT GND
J2
4 1
BLK
BLU
GRY
VIO
ORN
WHT
T1
GRN
GRN
YEL
BLU
YEL
RED
BLK
RED
12OVB
20VB
0VB
120VA 100VA
0VA
J3
1 6
BLK BLU GRY
VIO
ORN WHT
J6 J5
AC11.5V
AC11.5VCT
AC11.5V
AC26V
AC26VCT
AC26V
AC6V AC6V
J2
9 1
YEL BLU YEL RED BLK RED BRN BRN
1
J1
7
5VD
3.3VD
GND
3.2V
GND
F-
F+
2
MECHANISM
3
CONTROL
5
DISPLAY 4
POWER 6
PRIMARY
7
HEADPHONE
8