Ic Block Diagram - Yamaha UB99A Service Manual

■ IC BLOCK DIAGRAM

• SN74LVU04APWR(X3936A00)
Hex Inverter
DM: IC107
1A 1 14
2
13
1Y
3 12
2A
4
2Y 11
5
10
3A
6 9
3Y
7
Vss 8
• SN74LV4040APWR(X3935A00)
12-Bit Asynchronous Binary Counter
DM: IC110
1 16
QL
2
15
QF
3
QE 14
QG 4
13
QD 5
12
QC 6 11
QB 7
10
GND
8
9
• NJM072M(XC458A00)
• TL072CPSR(XV423A00)
Dual Operational Amplifier
DM: IC101
+DC Voltage
Output A
1
8
Supply
- +
Inverting
2 Output B
7
Input A
+ -
Inverting
Non-Inverting
3
6
Input A Input B
-DC Voltage Non-Inverting
4
-V 5
Supply Input B
（IC ブロック図）
Vcc
6A
6Y
5A
5Y
4A
4Y
11
CLR
VCC
QK
QJ
10
CLK
QH
QI
CLR
CLK
QA
R R
T T
2
Q F
• NJM5532M(X4980A00)
Dual Operational Amplifier
DM: IC102,103,105,106
A OUT 1
A IN
2
A+IN
3
V 4
• SN74LV245APWR(X3693A00)
Octal 3-State Bus Transceiver
DM: IC8,9
1
DIR
2
A1
3
A2
4
A3
5
A4
A5 6
A6 7
A7
8
A8
9
GND
10
R R R R
T T T
9 7 6
Q A Q B Q C
R R R R
T T T
4 13 12 14
Q G Q H Q I Q J
• NJM4556AM(X5049A00)
8 V+
7 B OUT
B IN
6
B+IN
5
UB99A/UB99B/UB99MK2
20 Vcc
19
OE
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11 B8
R
T T
5 3
Q D Q E
R
T T
15 1
Q K Q L
Dual Operational Amplifier
DM: IC114
A OUT 1 8 V+
A IN
2 7 B OUT
B IN
A+IN
3 6
B+IN
V 4 5
11