McIntosh MC1.2KW, Руководство по обслуживанию

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MC1.2KW
21 22
METER POWER SUPPLY
750752 SCH 2 of 2 and PCB
7
TURN ON
5V REG.
GND
2.
7
2W
R
69
10
00
uF
C
30
4.
7u
F
C
27
1M
R
54
3
1
2
Q18
-12V
12V
10
00
uF
C
31
D28
3
1
2
IN OUT
U7
2
3 1
IN OUT
U6
2
1 3
IN OUT
Q21
D32
J16
T1/BRN
J2:5
SUPPLY
J1:6
D30
T1/BRN
J15
J2:2
J2:6
3
1
2
S
G
D
Q19
J1:9
METER
D27
J1:8
.1
uF
C
26
2.74M
R64
3
1
2
Q15
15
0k
R
70
J1:7
5v
12V
-12V
12V
-20V
10VAC
-6V
10V
-20V
33
.2
k
R
62
D
31
OUT
GND
ON
AC SWITCHED
AC COMM.
POWERCONTROL
IN
1M
R59
22.1k
R57
.2
2u
F
C
28
22
.1
k
R
55
100
R56
33.2k
R61
4
6
2
1
Q23
1.
1k
R
60
22
uF
C
29
POWERCONTROL
T1/YEL/BLK
WIPER
POWER SW
REMOTE
POWER SW
STBY LED
CATHODE
STBY LED
ANODE
J9:7
J1:5
J1:3
J12
J9:4
J9:1
POWER SW
J10:1
J1:4
1
2
3
7
B+
GND
14
U5:1
J10:4
3
2
1
K
1
1.
5k
R
68
4
5
6
U5:2
12
13
11
U5:4
9
10
8
U5:3
5v
12v
SW2
HOLD
LIGHTS
ON
20
0k
R
52
33.2k
R63
681
R58
3
1
2
Q20
47
5k
R
72
J1:11
J2:4
J2:3
SW2
METER LIGHT SW
PG LED
3
1
2
Q17
WIPER
J8:1
J8:2
J2:1
J8:3
20V
-12V
12V
D29
10
uF
C
3
20V
3
1
2
Q3
20
K
R
16
-12V
12.1k
R65
3
1
2
Q4
4.
75
k
R
3
20V
PG
HOLD
JMP1
PANEL LED
D8
J1:10
3
1
2
Q2
-12V
METER LED
METER LIGHT
CONTROL
3 1
2
Q5
47.5k
R2
7
7
1
1
1
10
1
10
1
1
S1 BLK
J8-4
J8-1
S1 BRN
S1 RED
J6-7
J6-9
POWERCONTROL
0V
0V
0V
0V
0V
20V
-20V
.6V
11V
-19V
11V
-.6V
-.5V
.2V
.8V
.1V
.6V
11V
-12V
-6V
7
7
8
8
1
1
1
8
4
8
8
8
4
4
4
4 J6-6
J6-4
J6-5
J6-3
J1-6
J1-2
J1-5
TURN
ON
GND
J6-2
J1-1
S2 BLK
S2 BRN
S2 RED
J1-3
J1-4
J6-1
J6-8
POWER
CONTROL
OUT
T1
T1
T1
5V
702470
D
29
R
30
R
9
R
65
J3
R
3
J2
Q
5
Q
4
R
63
D
8
R
16
R1
R
2
Q
2
Q
3
C
3
J10
JM
P
1
R
61
R
62
R
68
R
69
J8
J15
J16
Q
1
D
4
Q
8
C30
D32
Q
9
R
77
D
3
D
5
C
15
C
12
R
4
D30
R
70
R
36
D
7
D
1
D
6
R
10 R8
D
18
R
5
+
T1
J12
J9
R
72
Q
21
D
2
K1
Q
23
C
29
D
31
R
60
C
26
R
56
R
57
R
52
Q
17
Q
20
R
58
C31
U
7
C
23
C
14
U
6
R
78
C
21
R
66
D
27
R
12
U3
R
7
R
6
Q
18
U2
R
76
Q
19
R
35
C
22
C1
R
74
R
75
R
73
J1
R
55
C
28
R
59
RoHS
Rev.A
129860
U5
R
54
R
64
D
14
D
28
D
22
C27
Q
15