Ic Block Diagram - Yamaha Clavinova CLP-955 Service Manual

IC BLOCK DIAGRAM

SN74AHCT139NSR (XZ525A00)
TC74ACT139FEL (XZ519A00)
DEMULIPLEXER
DM:IC450
1 16
1G
G
2
G 15
1A A
3 A
14
1B B
B
4 13
1Y0 Y0
5 Y0 12
1Y1 Y1
6 Y1
11
1Y2 Y2
Y2
7 10
1Y3 Y3
Y3
8
9
GND
MM74HC132SJX (XY352A00)
Quad 2 Input NAND
DM: 710
SN75C1168NSR (XU073A00)
LINE TRANSCEIVER
D-JACK: IC002
1
16
1B
2 15
1A
3
14
1R
4
13
1DE
5
12
2R
6 11
2A
7
10
2B
8 9
GND
LA6517M-TE-R (XT131A00)
Dual Low Voltage Operational Amplifier
A-JACK: IC140
Vcc
Output A 1
2G
VDD 2
2A
3
Output B
2B Vss 4
2Y0
2Y1
2Y2
2Y3
MM74HC138SJX (XY353A00)
TC74HC138AFEL (XW762A00)
DEMULTIPLEXER/DECODER
DM: 510
1
A
2
B
Select
3
C
4
G2A
5
G2B
Enable
6
G1
7
Output Y7
8
GND
UPC4574G2 (XE518A00)
Quad Operational Amplifier
A-JACK: IC100
V
CC
Output 1 1
Inverting
1D
2
Input 1
Non-inverting
1Y
3
Input 1
1Z
+DC Voltage Supply 4
Non-inverting
2DE
5
Input 2
Inverting
2Z
6
Input 2
2Y
7
Output 2
2D
MM74HC00SJX (XW105A00)
TC74HCT00AF(EL) (XY120A00)
Inverting
8
Input A
Non-Inverting
7
Input A
Inverting
6
Input B
Non-Inverting
5
Input B
SC7SU04FEL (XI348A00)
DInverter Gata
D-JACK: IC001
16
Vcc
A
15
B
Y0 Y0
C 14
Y1 Y1
13
G2A Y2 Y2
12
G2B Y3 Y3
Output
11
G1 Y4 Y4
10
Y7 Y5 Y5
Y6
9
Y6
M5229FP (XY487A00)
7 Band Graphic Equalizer
A-JACK: IC160, 180
14
Output 4
Inverting
- +
13
Input 4
+ -
Non-inverting
12
Input 4
+V Ground
11
GND
Non-inverting
10
Input 3
Inverting
+ -
9
Input 3
8 Output 3
Duad 2 Input NAND
DM: IC340
1A 1 14 VDD
1B 2 13 4B
1Y 3 12 4A
2A 4 11 4Y
2B 5 10 3B
2Y 6 9 3A
Vss
7 8 3Y
NC 1 VDD
5
IN 2
3
VSS 4 OUT
CLP-955
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