McIntosh MCD301, Руководство по обслуживанию

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17 18
DISPLAY
750773 SCH
4
PLAY
TIME
A3 8.25k
R21
A2 STOP
MUTE
RANDOM
GND
RST
DI
10
R
16
GND
GND
NEXT
BACK
REM IN
S9
NS5V
F+
F-
S
T/
O
N
.0
1u
F
C
24
.0
1u
F
C
22
.0
1u
F
C
23
.0
1u
F
C
17
.0
1u
F
C
15
.0
1u
F
C
19
.0
1u
F
C
20
S8
PAUSE
S5
SACD/CD
S2
.1
uF C6
GND
5VD
MUTE
DS6
5VD
32V
A1
8.25k
R22
8.25k
R23
DS1 DS2
A0 8.25k
R24
.1uF
C25
D
S
5
4.
75
k
R
15
10
uF
C
27
OPEN/CLOSE
S6
S7
S1
S3
S4
10
uF
C
11
47
uF C7
CL
CE
47
uF
C
32
10
0
R
2
10
0
R
4
2 1 3
V
cc
V
ou
t
G
N
D
MT1
LEV-U
LEV-D
LEV-D
J3:3
MUTE LED
STBY/ON
.0
1u
F
C
21
J3:4
J3:6
J3:8
LEV-U
J3:2
J3:5
J3:7
STANDBY/ON
1 2
L3
18uH
L2
1
2
L1
.1
uF C5
J3:1
8x10k
2 3 4 5 6 7 8 9
1
R11
7
8
5
2
3
9
10
12
15
14
6
1
4
11
16
13
U1
47
uF C1
.1
uF C3
.1
uF
C
33
8.25k
R20
3.3VD
GND
INI
REM OUT
J4:1
J4:2
J4:3
J4:4
J4:5
J4:6
J4:7
J4:8
J4:9
J4:10
J4:11
J4:12
J4:13
J4:14
J4:15
J4:16
J4:17
J4:18
3
1
2
Q1
47.5k
R18
J2:1
J2:2
J2:3
J2:4
J2:5
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 R
5
1k R
6
.1
uF C2
.1
uF C4
15
0
R
1
15
0
R
3
P
G
N
D
22
V
D
D
20
O
S
C
19
C
S
17
D
A
15
TS
A
14
F-
1
F+
26
LG
N
D
23
V
H
21
R
E
S
E
T
18
C
P
16
TS
B
13
DS3
D
A
12
C
S
10
R
E
S
E
T
9
V
D
D
7
D
G
N
D
5
LG
N
D
4
F-
1
F+
16
D
O
13
C
P
11
O
S
C
8
V
D
IS
P
6
F-
2
TE
S
T
14
F+
17
DS4
J1:1
J1:2
J1:3
J1:4
J1:5
J1:6
J1:7
47
uF
C
10
47
uF
C
8
47
uF
C
9
100
1 2
R10A
100
3 4
R10B
100
5 6
R10C
100
7 8
R10D
5x47k
2 3 4 5 6
1 R7
.1
uF
C
12
10
0p
F
C
14
10
0p
F
C
16
10
0p
F
C
18
10
R8
10
R9
10
uF
C
13
47.5k
R12
2.87k
R13
3.32k
R14
39
pF
C
26
100
7 8
R17D
100
5 6
R17C
100
3 4
R17B
100
1 2
R17A
5x47k
2 3 4 5 6
1 R19
.1
uF
C
31
10
0p
F
C
30
10
0p
F
C
29
10
0p
F
C
28
3
1
2
Q
2
3
1
2
Q
3
8.
25
k
R
25
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
J2:18
J2:17
J2:15
J2:13
J2:11
J2:9
J2:8
J2:7
J2:5
J2:4
J2:3
J2:2
J2:1
CX131:13
CX131:12
CX131:11
CX131:10
CX131:9
CX131:8
CX131:7
CX131:6
CX131:5
CX131:4
CX131:3
CX131:2
CX131:1
3
3
3
3
3
3
3
3
3
3
3
3
3
J1:3
J1:4
J1:6
J1:8
J1:2
J1:5
J1:7
J1:1
5
5
5
5
5
5
5
5