McIntosh MC1.2KW, Руководство по обслуживанию

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MC1.2KW
13 14
DRIVER
750760 SCH
4
12V
11V
-11V
THERM
AMP
AMP
DRIVE
DRIVE
PWR
THERM
THERM
THERM
PO
W
ER
PO
W
ER
O
U
T
PO
W
ER
G
N
D
G
N
D
PO
W
ER
O
U
T
PO
W
ER
36
5
R
41
8 OHM
33
.2
k
R
10
8
33
.2
k
R
10
7
CO
NT
RO
L
IN
J6
:9
C
O
N
TR
O
L
15
0k
R
59
15
0k
R
39
J6
:8
-12V
GUARD
INPUT +
SENSOR
SENSOR
SENSOR J1:1
J2:2
TURN ON
.1
uF
C
10
22.1k
R101
2.21k
R105
47
0p
F
C
9
AMP
DIFF.
CURRENT
AMP
10
0p
F
C
8
SOURCE
CURRENT
47
0p
F
C
2
SOURCE
CURRENT
10
0p
F
C
5
DIFF.
AMP
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
47 .5 W
R27
FEEDBACK B
2 OHM
METER V-
DRIVE
FEEDBACK B
+DRIVE B
-DRIVE A
8 OHM
2 OHM
FEEDBACK A
FEEDBACK A
-72V
J6:6
J6:4
J6:5
J6:1
J7:4
INPUT -
J7:7
J7:8
J4:2
J3:1
SENSOR
J6:3
.1
uF C1
100
R100
100
R5
.4
7u
F
C
21
2
1
3
S
G
D
Q7
2
1
3
S
G
D
Q10
1.5k
R35
2.21M
R34
2.
21
k
R
10
3
C
O
N
TR
O
L
10
uF
C
12
22
.1
k
R
32
10
0
R
62
2
1
3
S
G
D
Q8
2
1
3
S
G
D
Q11 10
0k
R
78
3
1
2
Q37
475
R154
PO
W
ER
C
O
N
TR
O
L
C
O
N
TR
O
L
IN
1.
8p
F
C
43
475k
R33
1k
R60
47
0p
F
C
27
80
6
R
57
47
0p
F
C
28
1k R4
2
1
3
Q68
324
R67
SOURCE
10
0p
F
C
6
3
1
2
Q20
47
0p
F
C
3
1k R
2
3.
32
k
R
75
47
0p
F
C
4
1k R3
DIFF.
80
6
R
30
3
2
1
Q64
1k
R
1
80
6
R
64
324
R47
SOURCE
CURRENT
10
0p
F
C
7
3
2
1
Q18
80
6
R
91
DIFF.
324
R46
3
1
2
Q23
22
0u
F
C
41
26
7
R
56
36
5
R
71
3
2
1
Q56
5.
36
k.
5%
R
38
AMP
2
10
W
R
11
8
221
R49
.0
1u
F
C
37
.1
5u
F
C
35
AMP
36
5
R
88
221
R31
.0
1u
F
C
36
.1
5u
F
C
34
AMP
10
uF
C
14
RIGHT
-DRIVE B
FEEDBACK B
10
R157
10
R158
FEEDBACK A
METER V+
DRIVE
+DRIVE A
10
R156
J7:5
J7:6
1.5k
R37
33
.2
k
R
10
4
3
1
2
Q78
J6
:7
3
1
2
Q38
C
O
N
TR
O
L
J7
:3
3
1
2
Q39
47
5k
R
55
J7
:1
2
1
3
Q21
324
R42
324
R44
3.
32
k
R
72
3
2
1
Q14
3
1
2
Q16
26
7
R
54
3
1
2
Q17
3
2
1
Q55
2
10
W
R
11
7
10
uF
C
16
10
R155
J7
:2
POWER GUARD
J9:3
FEEDBACK B
6.49k .5%
R51
J1:3
J3:4
10
uF
C
11
2
3
1
-
+
8
4
B+
B- U1:1
3
1
2
Q66
4.
75
k
R
58
2.21M
R40
221
R153
10
uF
C
19
3
1
2
Q36
3
1
2
Q1
3.
32
k
R
69
2
1
3
Q72
47.5k
R63
324
R48
2
1
3
Q15
3
1
2 Q19
68
1k
R
70
3
2
1
Q75
3
2
1
Q63
10
0k
R
79
324
R43
3.
32
k
R
53
.0
22
uF
C
39
1
2
3
4
LDR1
2
1
3
Q62
2
1
3
Q61
3
1
2
Q22
3
1
2
Q13
68
1k
R
68
3
2
1
Q60
324
R45
J2:4
J1:4
J9:2
.1
5u
F
C
32
5.
36
k.
5%
R
50
J6:10
2
1
3 Q41
J2:3
J1:6
J4:4
J9:1
.1
5u
F
C
33
FEEDBACK A
J9:4
J6:11
2
1
3
Q42
J4:3
J3:3
J3:6
J3:2
47 .5 W
R74
J3:7
47
uF
C
15
3
1
2
Q67
33
.2
k
R
10
6
221
R152
47.5k
R61
J1:5
2
10
W
R
11
4
3
1
2
Q12
2
10
W
R
11
6
36
5
R
93
J3:5
6.49k .5%
R36
6
5
7
-
+
U1:2
TURN/ON
TURN/ON
TURN/ON
-12V -12V
-72VR
-72VR
-72VR
-72VR
-72VR
-72VR
-72VR
-72VR
-72VR
-72VR
11V 11V 11V
-72VR
-72VR
72VR
72VR
72VR
-12V
12V 11V
-11V
11V
11V
MONO/B
72VR
72VR
72VR
72VR
72VR
-72VR
72VR
72VR
-11V
-11V
11V
72VR
J7:10
J6:2
METER LIGHT
CONTROL
METER LIGHT
CONTROL
3B
7
5
J1-10
J1-1
7
3B
J1-9
J1-3
2B
3A
J1-7
J1-3
2A J1-7
5 J1-3
5 J1-4
5 J1-5
5 J1-6
5 J1-7
7 J1-11
7 J1-8
GND
7 J1-7
7 J1-6
-.1V
-.1V
-.1V
-.1V
-19V -19V
-18V
16V
16V
16V
16V
-12V
11V
11V
11V
7
7
7 5
5
5
J1-5 J1-4
J1-3 J1-8
J1-9
J1-10
0V
0V
0V
0V
0V
-70.3V
.6V
.6V
0V
-70.3V
-70.3V
-69.7V
-70.3V
-1.74V
-1.74V
J1-4
J1-4
T2
T2
J1-2
J1-3
J1-2
J1-5
J1-2
J1-4
J1-3
J1-1
T2
T2
J1-1
J1-2
J1-6
J1-2
J1-5
J1-1
2B
2B
1
1
7
3B
2B
2B
2A
3A
1
1
7
2A
3A
2A
2A
2A
2A
72V
GND
72V
1.74V
-1.74V
1.74V
GND
70.3V
70.3V
70.3V
0V
-.7V
-.6V
-.6V
69.7V
70.3V
1.74V
71V
70.4V
-71V
0V
.6V
.7V .6V
0V
-70.3V
-70.3V
-70.3V
-69.7V
-1.74V
-70.3V
0V
0V
0V
71V
.7V
70.4V
70.3V
70.3V
0V
-.6V
-70.4V
-71V
-.6V
-.7V
69.7V
70.3V
1.74V
70.3V
0V
70.4V