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Circuit Boards - Yamaha AFC1 Service Manual

Active field controller

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AFC1
DS26C32ATMX (XU815A00)
MAIN: IC032, 033, 120, 121
Quad Differential Line Receiver
INPUT A
1
-
+
INPUT A
2
OUTPUT A
3
ENABLE
4
OUTPUT C
5
INPUT C
6
+
-
INPUT C
7
GND
8
NJM2082M(T1) (XN797A00)
MAIN: IC001
Dual Operational Amplifier
Output A
1
+V
Inverting
2
Input A
-
+
Non-Inverting
3
+
-
Input A
-DC Voltage Supply
4
-V

CIRCUIT BOARDS

CONTENTS
(目次)
MAIN Circuit Board (XW953D0) ............................................... 22/24
SUB Circuit Board (X3791A0) ....................................................... 25
PNF (LED) Circuit Board (XY041B0) ........................................ 26/27
PNF (PSW) Circuit Board (XY041B0) ............................................ 21
PNR (GPI) Circuit Board (XY231B0) ............................................. 21
PNR (MYMB) Circuit Board (XY231B0) ........................................ 26
Note: See parts list for details of circuit board component parts.
注:シートの部品詳細はパーツリストをご参照ください。
20
TC7S00F (XG150A00)
SUB: IC3
2 Input NAND
16
Vcc
IN B
15
INPUT B
IN A
14
INPUT B
VSS
13
OUTPUT B
12
ENABLE
11
OUTPUT D
10
INPUT D
INPUT D
9
+DC Voltage
8
Supply
Output B
7
Inverting
6
Input B
Non-Inverting
5
Input B
(シート基板図)
VDD
1
5
2
3
4
OUT Y
TC7S08F (XM616A00)
SUB: IC2
2 Input AND Gate
IN B
VDD
1
5
IN A
2
3
4
OUT
VSS

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