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Yamaha AFC1 Service Manual page 107

Active field controller

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P
O
POWER SUPPLY UNIT CIRCUIT DIAGRAM 2/3 (AFC1)
1
A
2
B
PR3
C
3
D
4
PR4
E
5
F
6
G
7
H
8
9
10
11
V484590
12
30
N
M
L
K
PR2
ICP-N50
D13
D19
L6
D1NS6
NL-116
1SS133
ICP-N50
IC6
D14
FB8
BA05T
1
3
BL02-RN1
D1NS6
C40
C41
C38
C39
0.1/50
0.1/50
330/35
220/25
C42
470/10
C44
C45
C46 0.1/50
C47 0.1/50
220/35
220/25
ICP-50
IC7
D15
3
2
FB9
L7
TA79005S
D1NS6
BL02-RN1
NL-116
D20
1SS133
PR5
ICP-N50
D16
D1NS6
L9
D27
SW3
RUE400
NL-111
30GWJ2CZ47C
FB11
BL02-RN1
D29
2SB1241R
D1NL40
IC9
TA76431S
L10
D28
NL-110
30GWJ2CZ47C
FB12
BL02-RN1
D30
2SB1241R
D1NL40
IC10
TA76431S
J
I
H
PR1
D12
D18
L5
1GU42
NL-116
ICP-N50
1SS133
IC5
FB7
BA17815T
1
3
BL02-RN1
C34
C35
0.1/50
0.1/50
C43
C32
C33
C36
C37
220/35
150/35
220/25
0.1/50
0.1/50
C50
C51
C54
C49
C55
0.1/50
220/35
150/35
220/25
0.1/50
C52 0.1/50
C53 0.1/50
IC8
3
2
FB10
L8
TA79015S
BL02-RN1
NL-116
D21
1SS133
L11
L13
NL-067
NL-102
SW1
RGE400
C56
C58
R32
330
C60
220/25
220/25
0.1/50
Q5
R34
R38
R39
4.3
270F
1P22
R35
1K
R36
C63
22
VR3
470P/50
1KB
D31
1SS133
C62
R37
470
0.47/50
R40
2.4KF
L12
L14
NL-100
ONL-012
SW2
RGE700
C57
C59
R33
C61
1P100
100/20
470/10
0.1/50
Q6
R41
R46
R45
2.2KF
1P100
1K
R42
1K
R43
C65
VR4
22
1KB
0.01/50
D32
1SS133
C64
R44
470
0.47/50
POWER SUPPLY UNIT CIRCUIT DIAGRAM 2/3 (AFC1)
R47
2.7KF
G
F
E
D
D17
L4
NL-116
1SS133
IC4
CN2
FB6
BA17820T
1
3
BL02-RN1
C28
C29
0.1/50
0.1/50
B13B-PH-K-S
C26
C27
220/35
220/35
CN3
B2B-PH-K-S
CN4
B8B-PH-K-S
CN5
B4P-VH
C
B
A
AFC1
13
+20V
12
GND(AG)
GND(DG)
11
10
+5V
9
+5V
8
-5V
7
-5V
to PNR (MYMB) -CN609
6
+5V
5
+5V
4
-15V
3
-15V
2
+15V
1
+15V
2
GND
to PNR (GPI) -CN702
1
+15V
8
GND(+3.3V)
7
GND(+3.3V)
6
+3.3V
5
+3.3V
OPEN
4
GND(+5V)
3
GND(+5V)
2
+5V
1
+5V
4
GND(+3.3V)
3
+3.3V
to MAIN -CN016
2
GND(+5V)
1
+5V

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