Yamaha Loopfactory AN200, Service Manual

Page: 15 / 58

15
AN200
TC74VHC153FT (XV894A00)
1
2
3
4
5
6
7
15
14
13
12
11
10
16 1G SELECT
STROBE B
2Y
OUTPUT
1C1
B B
B
A
A
B
A
A
1C0
1Y
1C2
1C3
1G
2G
2C3
2C2
2C1
2C0
2Y
Vcc
SELECT 2G
STROBE A
8 9
GND
Dual 4 to 1 Data Selectors
PLG150-AN: IC8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
Vcc
2G
2A
2B
2Y0
2Y1
2Y2
2Y3
TC74VHC139FT (XV893A00)
Dual 2-to-4 Line Decoder/Demultiplexers
PLG150-AN: IC14
NJM4556AMT1 (XQ138A00)
µ
PC4570G2 (XF291A00)
Dual Operational Amplifier
1
2
3
4 -V
8
7
6
5
Output A +V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+ -
+ -
DM: IC6,IC18
M5216FP-600C (XP263A00)
■
IC BLOCK DIAGRAM
SN74HC157NSR (XW110A00)
MM74HC157SJX (XY310A00)
Quad 2 to 1 Multiplexer
1
2
3
4
5
6
7
SELECT
1A 1A
1B 1B
1Y 1Y
2A 2A
2B 2B
2Y 2Y
16
15
14
13
12
11
10
Vcc
STROBE G
4A
S3
Y
4A
4B 4B
4Y 4Y
3A 3A
3B 3B
8
GND
9
3Y
DM: IC7
MM74HC74ASJX
HD744C74FPEL
TC74HC74AF EL (XY153A00)
(XL096A00)
(XW890A00)
Dual D-Type Flip-Flop
INPUTS OUTPUTS
PR CLR CLK D Q Q
L
H
H
L
H
Q
O
H
L
H
H
L
Q
O
X
X
X
H
L
X
X
X
X
f
f
L
H
L
L
H
H
H
L
H
L
H
H
H
1
2
3
4
5
6
7
1CLR
1D
1CK
1PR
1Q
1Q
GND
14
13
12
11
10
9
8
VCC
2CLR
CLR 2D
D
2CK CK
2PR
PR
2Q
2Q
Q
Q
CLR D
CK
PR
Q
Q
DM: IC14
IC25
HD74HC273FP
(
XU533A00
)
MM74HC273SJX
(
XY198A00
)
D-FF
1 CLEAR
2
3
4
5
6
7
8
9
10
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND 11
12
13
14
15
16
17
18
19
20 V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLOCK
Q Q
D D CK CK
CL CL
Q Q
D D CK
CK
CL CL
Q Q
D
D
CK
CK
CL CL
Q Q
D
D
CK CK
CL CL
PN: IC1,IC2,IC4,IC5,IC6
TC74HC245AF (XS720A00)
HD74HC245FPV (XV611A00)
TC74VHC245FT (XU797A00)
HD74LV245AT (XW744A00)
MM74HC245ASJX (XW107A00)
TRANSCEIVER
DM:
PLG150-AN: IC13 IC26
PN: IC3
1 D1R
2
3
4
5
6
7
8
9
10
A1
A2
A3
A4
A5
A6
A7
A8
GND 11
12
13
14
15
16
17
18
19
20 V
CC
G
B1
B2
B3
B4
B5
B6
B7
B8
1
2
3
4
5
6
7
Swtches IN/OUT Y1
Swtches IN/OUT Y0
Swtches IN/OUT Z1
Commons OUT/IN Z0
Swtches IN/OUT Z0
Control Inhibit
-DC Voltage Supply
16
15
14
13
12
11
+DC Voltage Supply
Commons OUT/IN Y
Commons OUT/IN X
Switches IN/OUT X1
Switches IN/OUT X0
Control IN/OUT A
Control IN/OUT B
8
GND
9
10
Control IN/OUT B
HD74HC4051FPEL (XP373A00)
TC74HC4051AFEL (XY549A00)
Triple 2-Ch.Multiplexer/Demultiplexer
PN: IC7,IC8